mount lcd panel in case made in china

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In recent time, China domestic companies like BOE have overtaken LCD manufacturers from Korea and Japan. For the first three quarters of 2020, China LCD companies shipped 97.01 million square meters TFT LCD. And China"s LCD display manufacturers expect to grab 70% global LCD panel shipments very soon.

BOE started LCD manufacturing in 1994, and has grown into the largest LCD manufacturers in the world. Who has the 1st generation 10.5 TFT LCD production line. BOE"s LCD products are widely used in areas like TV, monitor, mobile phone, laptop computer etc.

TianMa Microelectronics is a professional LCD and LCM manufacturer. The company owns generation 4.5 TFT LCD production lines, mainly focuses on making medium to small size LCD product. TianMa works on consult, design and manufacturing of LCD display. Its LCDs are used in medical, instrument, telecommunication and auto industries.

TCL CSOT (TCL China Star Optoelectronics Technology Co., Ltd), established in November, 2009. TCL has six LCD panel production lines commissioned, providing panels and modules for TV and mobile products. The products range from large, small & medium display panel and touch modules.

Everdisplay Optronics (Shanghai) Co.,Ltd.(EDO) is a company dedicated to production of small-to-medium AMOLED display and research of next generation technology. The company currently has generation 4.5 OLED line.

Established in 1996, Topway is a high-tech enterprise specializing in the design and manufacturing of industrial LCD module. Topway"s TFT LCD displays are known worldwide for their flexible use, reliable quality and reliable support. More than 20 years expertise coupled with longevity of LCD modules make Topway a trustworthy partner for decades. CMRC (market research institution belonged to Statistics China before) named Topway one of the top 10 LCD manufactures in China.

Founded in 2006, K&D Technology makes TFT-LCM, touch screen, finger print recognition and backlight. Its products are used in smart phone, tablet computer, laptop computer and so on.

Established in 2013, Eternal Material Technology is committed to the research, development and manufacturing of electronic materials and providing technical services. EMT is leading the industry with its products of OLED and color photoresist materials.

The Company engages in the R&D, manufacturing, and sale of LCD panels. It offers LCD panels for notebook computers, desktop computer monitors, LCD TV sets, vehicle-mounted IPC, consumer electronics products, mobile devices, tablet PCs, desktop PCs, and industrial displays.

Founded in 2008，Yunnan OLiGHTEK Opto-Electronic Technology Co.,Ltd. dedicated themselves to developing high definition AMOLED (Active Matrix-Organic Light Emitting Diode) technology and micro-displays.

In Topway, we work side by side to help you overcome any technical and none technical challenges that may arise during product design, manufacture or installation. We can even take care of component sourcing and manufacturing for you.

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Planar® CarbonLight™ VX Series is comprised of carbon fiber-framed indoor LED video wall and floor displays with exceptional on-camera visual properties and deployment versatility, available in 1.9 and 2.6mm pixel pitch (wall) and 2.6mm (floor).

From cinema content to motion-based digital art, Planar® Luxe MicroLED Displays offer a way to enrich distinctive spaces. HDR support and superior dynamic range create vibrant, high-resolution canvases for creative expression and entertainment. Leading-edge MicroLED technology, design adaptability and the slimmest profiles ensure they seamlessly integrate with architectural elements and complement interior décor.

From cinema content to motion-based digital art, Planar® Luxe Displays offer a way to enrich distinctive spaces. These professional-grade displays provide vibrant, high-resolution canvases for creative expression and entertainment. Leading-edge technology, design adaptability and the slimmest profiles ensure they seamlessly integrate with architectural elements and complement interior decor.

Advanced LED video wall with MicroLED models in 0.6, 0.7 and 0.9mm pixel pitches, and 1.2mm pixel pitch standard LED; with powerful processing, proprietary alignment technology and off-board electronics.

From cinema content to motion-based digital art, Planar® Luxe MicroLED Displays offer a way to enrich distinctive spaces. HDR support and superior dynamic range create vibrant, high-resolution canvases for creative expression and entertainment. Leading-edge MicroLED technology, design adaptability and the slimmest profiles ensure they seamlessly integrate with architectural elements and complement interior décor.

Advanced LED video wall with MicroLED models in 0.6, 0.7 and 0.9mm pixel pitches, and 1.2mm pixel pitch standard LED; with powerful processing, proprietary alignment technology and off-board electronics.

LED video wall solution with advanced video wall processing, off-board electronics, front serviceable cabinets and outstanding image quality available in 0.9mm pixel pitch

Planar® CarbonLight™ VX Series is comprised of carbon fiber-framed indoor LED video wall and floor displays with exceptional on-camera visual properties and deployment versatility, available in 1.9 and 2.6mm pixel pitch (wall) and 2.6mm (floor).

Carbon fiber-framed indoor LED video wall and floor displays with exceptional on-camera visual properties and deployment versatility for various installations including virtual production and extended reality.

a line of extreme and ultra-narrow bezel LCD displays that provides a video wall solution for demanding requirements of 24x7 mission-critical applications and high ambient light environments

Since 1983, Planar display solutions have benefitted countless organizations in every application. Planar displays are usually front and center, dutifully delivering the visual experiences and critical information customers need, with proven technology that is built to withstand the rigors of constant use.

*Estimated delivery dates- opens in a new window or tabinclude seller"s handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.Notes - Delivery *Estimated delivery dates include seller"s handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.

WARNING: This product contains Nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to P65Warnings.ca.gov.

Wahoo Fitness has launched a major update today to its Wahoo Elemnt Bolt GPS cycling computer. While the new screen will invariably grab the lion’s share of the attention, there are also some significant changes under the hood.

The new screen uses the same 2.2″ diagonal size and 240×320-pixel screen resolution as before, but it ditches the old monochrome LCD panel in favor of a 64-color display that also has better contrast for easier viewing, particularly in bright sunlight. Helping matters is the fact that the display layer is now a lot closer to the protective Gorilla Glass outer layer, which helps reduce the shadowbox effect. In practice, the display now looks more like what you might find on an e-reader (albeit in color in this case).

Also new on this more grown-up Bolt is the addition of Wahoo’s Smart Navigation functionality. Current Bolts already incorporate a basic navigation function, managed through the companion smartphone app. The second-gen Bolt now allows you to select destinations directly on the computer itself, and it’ll also automatically reroute you if you deviate from the original route for whatever reason. Turn-by-turn directions pop up automatically at the top of the screen, along with on-screen breadcrumb trails and distance cues that indicate upcoming turns.

As with the larger Elemnt Roam, the new color screen on the Bolt helps with navigation, too, since the color-coding makes it easier to visually follow the prescribed path.

Carrying over is the single row of colored LEDs along the upper edge of the case that provides a graphical measure of selectable metrics like power, heart rate, and speed. It also serves as a sort of visual alarm if there’s an upcoming turn, incoming call or message, or an approaching car (if your Bolt is paired with Garmin’s rear-facing Varia radar unit). And if you’re so inclined, Strava Live is still built into the firmware so you can know in real-time just how mediocre you really are.

Additional changes include much more onboard memory — from 4 GB on the old Bolt to 15 GB on this one — along with subtly raised buttons that are easier to operate (especially when wearing gloves). As expected, Wahoo has switched from micro-USB to USB-C for a more durable connection and faster charging, and final assembly now happens in Taiwan instead of China.

The case itself is slightly revised, retaining the overall tapered shape but with a hint of extra length, a smidgeon less width, and a larger glass panel. The included out-front mount is different as a result, although that doesn’t create as much of a compatibility headache as you might expect.

Like on the original Bolt, Wahoo includes a profiled mount that fits perfectly with the updated case and is claimed to be more aerodynamic than more mix-and-match setups. The shape has changed enough that older Bolts won’t fit on the new profiled mount, but newer computers will work fine on older mounts, albeit with a less-than-perfect transition to the computer body that’ll bug only the most detail-obsessed.

On the plus side, this means that riders who have ponied up for fancy aftermarket mounts such as K-Edge’s Aero Race Mount will still be able to use them without issue, and since the interface itself is unchanged, other mounts that are designed to work with all Wahoo Elemnt computers should still fit just fine.

Claimed battery life remains the same at 15 hours, and like on the original Elemnt Bolt, Wahoo says the new version has an IPX7 weatherproof rating, meaning it can theoretically be submerged to a depth of up to five meters without the thing short-circuiting.

That won’t be a concern when using the Bolt inside, though, which is entirely likely given that you can control Wahoo’s suite of indoor training equipment from the head unit.

In terms of weight, that additional case size has brought along a few extra grams. Where the old Bolt tipped the scales at 62 g (without mount), the new one is a bit heavier at 71 g.

I’ve only had this updated unit for about a week so you can consider the following to be more akin to initial impressions rather than a full-blown long-term review. But that said, I’ve spent an awful lot of time over the past couple of years on the first-edition Bolt, and know what I like about it — and what I don’t.

Without question, the second-gen Elemnt Bolt’s new screen is a massive improvement over the original. Although the physical pixel count supposedly hasn’t changed, the contrast sure has, and the reduced shadowbox effect cleans up the edges of digits and letters even further. When combined with the sharper fonts and full-color format, the new display is much more legible than it used to be.

This might seem like a minor thing, but I’m also really happy with the button improvements (something tech editor Dave Rome noticed as well). Although only the ones on the left and right edges have grown in size relative to the original Bolt (and only a tiny bit at that), the newly raised surface for the more important buttons on the front face makes them easier to operate (especially with full-fingered gloves). They’re still just as clicky as before, too.

“The frontal buttons used to sit below the level of the screen, which almost required you to dig your nails in to push them,” Dave said. “The new buttons are raised and way easier to press. Accidental presses are now a potential, but it’s a trade-off I’m happy to have.”

While I like the larger Elemnt Roam in terms of functionality, I still prefer a more compact form factor overall, so it’s nice to see Wahoo integrate the more feature-rich navigation software into the smaller Bolt. The on-device navigation is slow and clumsy since there’s no touchscreen and no way to enter (or search for) an address unless you already have one inputted from the app. In this sense, something like Garmin’s Edge 830 has an indisputable advantage over the Bolt since the former’s touchscreen is much better suited to navigation. However, Wahoo really intends for users to primarily choose destinations using the companion app, which — in typical Wahoo fashion — is extremely easy and intuitive to use.

Once you’ve got a location entered either way, the updated Bolt does a pretty good job of finding agreeable routes to get there, and despite the small display, the on-screen prompts are easy to read while rolling along (assuming your near vision is in good shape, of course). For the most part, it doesn’t have too much of an issue rerouting you if you miss a turn or encounter some road construction, although it’d be nice to have a little more leeway in tweaking the route initially, sort of like what you get when searching for directions on Google Maps.

While the app makes the Bolt’s navigation a lot easier to live with, it’s also the app that ultimately sets the Wahoo apart from anything that Garmin (or anyone else) offers.

Pairing the two requires little more than pointing your smartphone camera at the QR code displayed on the Bolt during the setup process. Tedious tasks like arranging and organizing your display pages, pairing sensors, and setting up profiles are far less onerous on a smartphone than when you have to do everything directly on the device. Setting up your display pages is the same drag-and-drop process you use for other stuff, for example, and it sure is nice to have a full keyboard when changing page titles or modifying profiles.

As long as you’re running the app in the background, Wahoo’s auto-track feature automatically sends a message to designated contacts when you start an activity. Garmin offers something similar, but the Wahoo version works more consistently in my experience. Data uploads automatically from your device after you’re done with your ride, too, and provided you’ve granted permissions, information is forwarded on to third-party apps like Strava and RideWithGPS with no further work required.

One feature that’s still missing, however, is the ability to mirror an existing setup profile on to a new device — if you’re upgrading from a first-generation Bolt, say, and want to use the same display settings on the new one. It’s a seemingly straightforward task (I’m no programmer, mind you) that I’m surprised Wahoo still hasn’t added.

Otherwise, the new Bolt is much the same as the old one, and I mean that mostly in a positive sense. In some ways, the Wahoo vs Garmin thing isn’t all that different from the Apple vs PC dichotomy. Both get the job done, but one (Wahoo) hides all of the heavy lifting behind the scenes and leaves behind a simpler and cleaner interface for the user, while the other (Garmin) is arguably more powerful, but there’s a steeper learning curve and more bugs to deal with.

Wahoo says the Bolt can access the GPS, Galileo, and GLONASS satellite networks, which, in theory, should make for a very fast and robust location lock. In reality, my test sample had a hard time keeping track of where it was in thick tree cover or in canyons — environments that comparable Garmin units have tackled just fine. In one recent mountain bike ride, for example, the total actual ride distance was a little over 19 km (12 miles), but because the Bolt spent so much time thinking I wasn’t moving (and was thus auto-paused), it only recorded 16 km (10 miles).

Overall, the new Bolt at least seems like a major improvement over the original one, as it should be given the hefty price increase. The screen is heaps better, there’s now a usable navigation function (and a lot more memory for maps and stored rides), and the whole thing even looks more modern and upscale. But the fact that it has so much trouble holding on to satellites in environments that Garmin computers handle with ease gives me a little pause.

Road and gravel riders aren’t likely to have as many problems — or maybe even notice given the clearer line of sight to orbiting satellites. However, mountain bikers that spend a lot of time in the woods and are still interested in the Bolt might want to consider running a standalone speed sensor so you don’t lose any precious ride distance.

Assuming the satellite lock problem isn’t really a problem as Wahoo claims, are the new features enough to justify the upgrade for current Bolt users? If you don’t need the more advanced navigation features and can already see the screen as is, then I’d say it’s a questionable proposition. But if you’ve been looking for a new mid-priced GPS device and were contemplating an Edge 530 vs an Elemnt Bolt, Wahoo has made the choice a little tougher.

A while back I was sitting around and wondering what to do with my dead laptop. I knew the mother board was fried but everything else was still in working condition. As a result, I decided to make an external monitor from my dead laptop and proceeded to do the research to find out if this was possible. Below is what I discovered. Unfortunately, there was no way to use the motherboard"s VGA connector. The VGA connector on a laptop is used to connect to an external monitor. In any case the VGA connector is output only and wouldn"t work for an external screen. As a result, I found that I needed to buy a controller board for the LCD screen, to make it work as an external monitor. This was the main cost but was still less than half the cost of buying an external monitor.

Disclaimer: Due note, I take no responsibility for your actions, implied or otherwise. I am not telling you to do anything, This instructable is informational.

Step one. Unplug the dead laptop from any power source AND remove the battery!. The laptop battery is located, usually, on the bottom and can be removed by sliding a release lever. These are lithium ion batteries and can hold a few Amps. The risk of shock might be minimal. However, there is no need to take the risk.

Step Two. To Remove the LCD screen from the laptop, you will need to remove the screws. There are rubber pads on the front of the LCD screen to protect it when the laptop lid is closed. Behind the rubber pads are the screws. Find and remove all the screws holding the front plastic frame on the laptop lid. Keep track of the pads and screws as you will need them to reassemble everything.

Step Three. Remove the plastic frame from the LCD screen. Here is where you need to be careful. The screws are not the only thing holding the plastic frame on the LCD screen! The plastic frame is snapped into place. Carefully pry loose the frame from the LCD screen. Pry it loose gently. Try to keep it as close as possible to the LCD panel while you are prying it loose because you may also find that you need to slide it to the left or right to completely remove it from the laptop. There is a small protrusion of the plastic frame where the hinge is. Because of this protrusion you need to slide the frame, in this case, to the right, to detach it from the laptop.

Step Four. Locate and remove the screws holding the LCD panel to the laptop. These are located on the bottom. The screws are attached to a small metal hinge. this is the component that is attached to the keyboard frame.

Next you will need to remove the LCD screen. Note that there is a cable attached. This is the LVDS cable. It is best to take apart the rest of the laptop and unplug it from the keyboard. However, the cable can be cut at the bottom. Take care not to cut the two wires going into the inverter (that"s the slim circuit board at the bottom.

Once the LCD panel is removed, you can remove the LVDS cable and unplug the inverter at the bottom. Unplug the inverter from both ends. Do not cut it. The LVDS cable is taped to the back of the LCD screen at the top. It is the flat cable running up the back. Remove the tape and slid the cable down. Since you need to buy an LCD controller board, you will no longer need the LVDS cable the laptop came with or the inverter. At this point you should just have an LCD screen with a pair of wires coming out of it.

Keep track of the plastic front frame and the plastic backing. You will need them to resemble the LCD screen. On the other hand, you have different fingers, just kidding. On the other hand, you can buy a picture frame and put the LCD screen in the picture frame.

Here is a picture of the LVDS cable and the inverter detached from the LCD screen. Since we will be buying an LCD control board these cables will not be needed again.

Next, once you have removed the LCD panel. Flip it over and look for a model number on the back. You will need this model number to order the correct LCD controller board. I went to E-Bay and found one for $42.00. I bought the LCD controller board and then received an email from the seller requesting the model number of the LCD screen and manufacturer. This is because each controller board is flashed, (programed to run a specific LCD) I gave him my model number, LP171WX2 A4K1 and told him it was made by LG Phillips. Since the board was coming from China, I received my order about 2 weeks later. Due note to buy one with a power cord! The LCD controller board has the VGA input connection which allows you to connect it to another computer and use it as a second monitor or as a back up in the event the one on your working computer goes out.

The LCD controller board is real easy to connect. It comes with all the required cables, except a VGA cable which you will need, in order to connect your LCD to another computer. You can buy a VGA cable from Best Buy or a computer parts store.

The LCD control Bard comes with all the cables except the VGA cable which you will have to buy. Once you have received your kit, proceed to connect it to the LCD screen. Plug the LVDS cable into the LCD panel where you removed the original from. The two wires at the bottom of the LCD screen that were connected to the inverter need to be unplugged from the old inverter and plugged into the new inverter below. Then, plug the power in. Make sure that the LCD control board is not sitting on anything conductive, like metal or it will short and fry. Next connect the VGA cable to the LCD control board and plug the other end of the VGA cable to another computer. Make sure the computer is on before you plug in the VGA cable. At this point you should have the same image that is on the computer you plugged the VGA cable into, on the LCD panel.

Next, I attached a 4 inch section of two by four on the outside back of the laptop lid. I needed this in order to attach my stand to the LCD screen. I used 5 screws and screwed them in place from the inside. I did splice and extend the cables going from the LCD controller to the inverter it came with just to have a little more room.

Originally, I built a nice wooden stand for my LCD panel but was not satisfied with it. So, I took a broken florescent desk lamp and dremeled off the section holding the florescent tubes, leaving enough metal to screw on to the two by four on the laptop lid. Before attaching the stand, I drilled four holes in the metal to make it easier to screw it on the two by four.

Next you will need to attach the LCD controller to the laptop lid. To do this, screw in a few sections of wood from the inside of the lid. Then on the outside of the lid attach the LCD control board. Place the wood in an area where the control board can reach.

Next you will need to find all those screws you have been saving and reassemble the LCD screen. I also added some surgical tubing to the top springs for added strength.

By the way a store bought swing arm half the size of this one, I found, cost around $400.00. If you choose to use a swing arm like this one, go with the one that has a magnifier on it and dremel off the magnifier leaving enough metal to attach to your LCD lid. You need one of this caliber to hold the LCD screen. Swing arms with the light attached are not strong enough.

By the way, I did remove the web cam from the laptop lid, wired it to a USB cable, and turned it into and external peripheral. I wired the two microphones that I found next to the web cam and  turned them into external peripherals. I dremeled the batteries open and wired them into a 3 million candle power flashlight made from spare parts I had. I have a lithium ion battery charger, so it worked great.

Since I was asked about the web cam, I though Should add it to the instructable. There is a nice instructable here at this site showing how to convert a web cam from an LCD screen: http://rntmns.com/2011/02/rebirth-of-a-webcam/

The web cam is now wired for plug and play. However, it only works on another computer running Windows Vista. There are no drivers for windows 7, yet. Since I don"t have Windows XP, I don"t know if it would work on it. Once you have wired it, open Skype on Vista and click on change profile pic. It will show two web cams in the drop down menu. If your web cam starts getting hot then you have revered the power cables.

Mine works great on my Vista laptop. If you want to use it for checking plumbing pipes, I suppose you can put a small prism on the web cam aperture so you can insert the web cam in a pipe and view images directly ahead--this would be good for archaeology where you need to investigate tight spaces.

I"m so glad I found this... I have a nearly identical HP laptop that you used and recently noticed that it was overheating and too much work to fix up, but the big beautiful display works great and I was sadly thinking I"d be better off selling it rather than dissecting the entire thing to fix its overheating issue.

Actually, you can do One better. You can salvage the RAM, the Wireless card, the Batteries, the charger, the hard drive, the DVD disk player and sell them to people that need them on E-bay and Still keep the LCD screen for yourself.

Genius! As an honorary "Red neck" (U.K. chapter, it"s a good thing, honest) I"m putting your application in the post. You have given me the three screens I need for my simpit plus a lot of peripherals that I hadn"t even considered. Thanks.0

Very nice instructable. This instructable is the answer to a question that comes up about once a week in instructables questions and will get referred to often.0

The LVDS cable of the controller board is too short for the way I need it to be, does anyone know if there is an easy or inexpensive way to extend its lenght? (with LVDS cable I mean the 20/30 pin cable that is the main data cable for the display and goes to [in my case] 20 pin on the big board of the controller board)

Thanks for this instructable. I recently came upon some discarded laptops with either had bad screens or nonfunctioning everything else. I may be able to mix and match to get a usable machine out of the pile of junk!0

I checked ebay for the LCD control Board and all I did was punch in " LCD control Board for a LP154W01(A3)" , That"s my model number. You, of course, use your"s. ebay came up with the correct one for $25.00 and it has all the imputs you could want. This is good today, 2/11/19. Have fun folks!

i have a similar lcd panel to yours. infact 3 of them! they"re so easy to work with and doesn"t need a backlight controller LP154WH4 TLA1 except the lvds cable sold separately. I"ve build one and runs on

This would be great for the Flight Sim I am building, Problem is e-qstore can"t speak English. I bought 2 18.4 monitors after I ordered the controller, then they email me 2 days laster telling me they can"t make this control board. Been trying to find another board that will work with another monitor only to get "Sorry Sorry" and other things I can"t even make sense of.

Nicely done and very informative!! However unfortunately, by the time you add the cost of the LCD Controller card, various parts and time you could have bought a new inexpensive monitor.

it really depends on what kind of display your laptop came with. I recently had a laptop that featured a 4k OLED screen and If I add the price up of the controller kit and materials (depending how you are going to make the stand) it would actually in my case be cheaper to make that an external monitor because, quite frankly 4k is pretty expensive and I don"t want to degrade to a lower resolution. in said laptop the motherboard died so I just scavenged everything including the LCD which I have just lying on my desk. so I might even consider trying this.0

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This LCD can support Raspberry Pi OS / Ubuntu / Kali / Retropie systems. When the LCD works on systems such as Raspberry Pi OS, the resolution must be set manually, otherwise, it will cause an abnormal display.

4) After the image has finished writing, open the config.txt file in the root directory of the TF card, add the following code at the end of config.txt, then save and quit the TF card safely.

8) Connect the HDMI interface of the LCD to the HDMI interface of the Raspberry Pi, power on the Raspberry Pi, and wait for a few seconds until the LCD displays normally.

On December 2, 2021, the Raspberry Pi OS was divided into two branches, the Buster branch, and the Bullseye branch. The Buster branch is a continuation of the old system and is more stable. The Bullseye branch added some new features, using open source libraries and new interfaces. Since the current Bullseye branch has just been released shortly, it is not stable yet. If you are an industrial user, it is strongly recommended to use the Buster branch.

If you use the Buster branch system, you can use it according to the above configuration. But if you are using the Bullseye branch system, you need to modify the default KMS driver to FKMS driver for displaying the system desktop normally.

If you need to use the CSI camera under the Bullseye branch system. Since this branch uses the libcamera camera library by default, the library doesn"t support FKMS drivers.

Connect the Raspberry Pi camera to the CSI interface of the Raspberry Pi, power on the Raspberry Pi again, and after the system boots, execute the following command:

#After the installation is complete, you can open the program in the start menu - "Accessories - "Brightness for backlight adjustment, as shown below:

2. Input command xinput in the terminal, and check the touch ID of the main monitor. (There should be two IDs, you can touch displays to check which is the main one);

Sometimes having a curio cabinet on the floor is just impractical. A hanging curio cabinet on the other hand if you have the proper place to mount it can be a very interesting w…

Whatever you are currently celebrating, Christmas, Hanukkah, Jul, Samhain, Festivus, or any other end-of-the-civil-year festivities, I wish you a good time! This December 25th edition of the Nextion Sunday Blog won"t be loaded with complex mathematical theory or hyper-efficient but difficult to understand code snippets. It"s about news and information. Please read below...After two theory-loaded blog posts about handling data array-like in strings (Strings, arrays, and the less known sp(lit)str(ing) function and Strings & arrays - continued) which you are highly recommended to read before continuing here, if you haven"t already, it"s big time to see how things work in practice! We"ll use a string variable as a lookup lookup table containing data of one single wave period and add this repeatedly to a waveform component until it"s full.A few weeks ago, I wrote this article about using a text variable as an array, either an array of strings or an array of numbers, using the covx conversion function in addition for the latter, to extract single elements with the help of the spstr function. It"s a convenient and almost a "one fits all" solution for most use cases and many of the demo projects or the sample code attached to the Nextion Sunday Blog articles made use of it, sometimes even without mentioning it explicitly since it"s almost self-explaining. Then, I got a message from a reader, writing: "... Why then didn"t you use it for the combined sine / cosine lookup table in the flicker free turbo gauge project?"105 editions of the Nextion Sunday blog in a little over two years - time to look back and forth at the same time. Was all the stuff I wrote about interesting for my readers? Is it possible at all to satisfy everybody - hobbyists, makers, and professionals - at the same time? Are people (re-)using the many many HMI demo projects and code snippets? Is anybody interested in the explanation of all the underlying basics like the algorithms for calculating square roots and trigonometric functions with Nextion"s purely integer based language? Are optimized code snippets which allow to save a few milliseconds here and there helpful to other developers?Looking through the different Nextion user groups on social networks, the Nextion user forum and a few not so official but Nextion related forums can be surprising. Sometimes, Nextion newbies ask questions or have issues although the required function is well (in a condensed manner for the experienced developer, I admit) documented on the Nextion Instruction Set page, accessible through the menu of this website. On top of that, there is for sure one of my more than 100 Sunday blog articles which deals not only with that function, but goes often even beyond the usual usage of it. Apparently, I should sometimes move away from always trying to push the limits and listen to the "back to the roots!" calls by my potential readers...Do you remember the (almost) full screen sized flicker free and ultra rapid gauge we designed in June? And this without using the built-in Gauge component? If not, it"s time to read this article first, to understand today"s improvements. The June 2022 version does its job perfectly, the needle movement is quick and smooth, and other components can be added close to the outer circle without flickering since there is no background which needs constantly to be redrawn. But there was a minor and only esthetic weak point: The needle was a 1px thin line, sometimes difficult to see. Thus, already a short time after publishing, some readers contacted me and asked if there were a way to make the needle thicker, at least 2 pixels.

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Tray (pan) in the form of a plum blossom with birds and flowers; 1200–1279; carved lacquer; height: 2.2 cm, diameter: 18.8 cm; Los Angeles County Museum of Art (Los Angeles, USA)

Chinese art is visual art that originated in or is practiced in China, Greater China or by Chinese artists. Art created by Chinese residing outside of China can also be considered a part of Chinese art when it is based in or draws on Chinese culture, heritage, and history. Early "Stone Age art" dates back to 10,000 BC, mostly consisting of simple pottery and sculptures. After that period, Chinese art, like Chinese history, was typically classified by the succession of ruling dynasties of Chinese emperors, most of which lasted several hundred years. The Palace Museum in Beijing and the National Palace Museum in Taipei contains extensive collections of Chinese art.

Chinese art is marked by an unusual degree of continuity within, and consciousness of, tradition, lacking an equivalent to the Western collapse and gradual recovery of Western classical styles of art. Decorative arts are extremely important in Chinese art, and much of the finest work was produced in large workshops or factories by essentially unknown artists, especially in Chinese ceramics.

Much of the best work in ceramics, textiles, carved lacquer were produced over a long period by the various Imperial factories or workshops, which as well as being used by the court was distributed internally and abroad on a huge scale to demonstrate the wealth and power of the Emperors. In contrast, the tradition of ink wash painting, practiced mainly by scholar-officials and court painters especially of landscapes, flowers, and birds, developed aesthetic values depending on the individual imagination of and objective observation by the artist that are similar to those of the West, but long pre-dated their development there. After contacts with Western art became increasingly important from the 19th century onwards, in recent decades China has participated with increasing success in worldwide contemporary art.

brush dipped in black or colored ink; oils are not used. As with calligraphy, the most popular materials on which paintings are made of paper and silk. The finished work can be mounted on scrolls, such as hanging scrolls or handscrolls. Traditional painting can also be done on album sheets, walls, lacquerware, folding screens, and other media.

Gong-bi (工筆), meaning "meticulous", uses highly detailed brushstrokes that delimits details very precisely. It is often highly coloured and usually depicts figural or narrative subjects. It is often practised by artists working for the royal court or in independent workshops. Bird-and-flower paintings were often in this style.

Ink and wash painting, in Chinese Shui-mo or (水墨four arts" of the Chinese Scholar-official class.Song dynasty, though in fact the careers of leading exponents could benefit considerably.

Artists from the Han (202 BC) to the Tang (618–906) dynasties mainly painted the human figure. Much of what is known of early Chinese figure painting comes from burial sites, where paintings were preserved on silk banners, lacquered objects, and tomb walls. Many early tomb paintings were meant to protect the dead or help their souls get to paradise. Others illustrated the teachings of the Chinese philosopher Confucius, or showed scenes of daily life. Most Chinese portraits showed a formal full-length frontal view, and were used in the family in ancestor veneration. Imperial portraits were more flexible, but were generally not seen outside the court, and portraiture formed no part of Imperial propaganda, as in other cultures.

Many critics consider landscape to be the highest form of Chinese painting. The time from the Five Dynasties period to the Northern Song period (907–1127) is known as the "Great age of Chinese landscape". In the north, artists such as Jing Hao, Li Cheng, Fan Kuan, and Guo Xi painted pictures of towering mountains, using strong black lines, ink wash, and sharp, dotted brushstrokes to suggest rough rocks. In the south, Dong Yuan, Juran, and other artists painted the rolling hills and rivers of their native countryside in peaceful scenes done with softer, rubbed brushwork. These two kinds of scenes and techniques became the classical styles of Chinese landscape painting.

Early Autumn; by Qian Xuan; 13th century; ink and colors on paper scroll; 26.7 × 120.7 cm; Detroit Institute of Arts (Detroit, US). The decaying lotus leaves and dragonflies hovering over stagnant water are probably a veiled criticism of Mongol rule

Parrot and insect among pear blossoms; by Huang Jucai; second half of the 13th century; ink and colour on silk; 27.6 × 27.6 cm; Museum of Fine Arts (Boston)

The eight hosts of Deva, Naga and Yakshi; 1454; hanging scroll, ink and color on silk; dimensions of the painting: 140.2 × 78.8 cm; Cleveland Museum of Art (Cleveland, Ohio, US)

Chinese ritual bronzes from the Shang and Western Zhou dynasties come from a period of over a thousand years from c. 1500 BC, and have exerted a continuing influence over Chinese art. They are cast with complex patterned and zoomorphic decoration, but avoid the human figure, unlike the huge figures only recently discovered at Sanxingdui.Terracotta Army was assembled for the tomb of Qin Shi Huang, the first emperor of a unified China from 221 to 210 BC, as a grand imperial version of the figures long placed in tombs to enable the deceased to enjoy the same lifestyle in the afterlife as when alive, replacing actual sacrifices of very early periods. Smaller figures in pottery or wood were placed in tombs for many centuries afterwards, reaching a peak of quality in the Tang dynasty.

Native Chinese religions do not usually use cult images of deities, or even represent them, and large religious sculpture is nearly all Buddhist, dating mostly from the 4th to the 14th century, and initially using Greco-Buddhist models arriving via the Silk Road. Buddhism is also the context of all large portrait sculpture; in total contrast to some other areas in medieval China even painted images of the emperor were regarded as private. Imperial tombs have spectacular avenues of approach lined with real and mythological animals on a scale matching Egypt, and smaller versions decorate temples and palaces.jade.

Sculpture probably of Amitābha; early 7th century; hollow dry lacquer with traces of gilt and polychrome pigment and gilding; height: 96.5 cm, width: 68.6 cm, depth: 57.1 cm; Metropolitan Museum of Art

Statue of a monk; 8th century; limestone with pigment; limestone with pigment; height (including the stone dowel): 175.3 cm; Metropolitan Museum of Art

Bodhisattva Avalokiteshvara in water moon form (Shuiyue Guanyin); 11th century; wood (willow) with traces of pigment, multiple-woodblock construction; height: 118.1 cm, width: 95.3 cm, depth: 71.1 cm; Metropolitan Museum of Art

Chinese ceramic ware shows a continuous development since the pre-dynastic periods, and is one of the most significant forms of Chinese art. China is richly endowed with the raw materials needed for making ceramics. The first types of ceramics were made during the Palaeolithic era, and in later periods range from construction materials such as bricks and tiles, to hand-built pottery vessels fired in bonfires or kilns, to the sophisticated Chinese porcelain wares made for the imperial court. Most later Chinese ceramics, even of the finest quality, were made on an industrial scale, thus very few individual potters or painters are known. Many of the most renowned workshops were owned by or reserved for the Emperor, and large quantities of ceramics were exported as diplomatic gifts or for trade from an early date.

Figure of an assistant to the Judge of Hell decorated in polychrome enamels with cold-painted details; 1522–1620; painted and glazed earthenware; height: 136 cm, width: 39 cm; British Museum

An assistant to the Judge of Hell, figure from a judgement group; 16th century; glazed earthenware and painted decoration; height: 148 cm, width: 36 cm, depth: 20 cm; British Museum

Vase; last quarter 18th century; porcelain with openwork medallions, painted in overglaze famille rose enamels, with engraved design: height: 29.8 cm, diameter: 19.1 cm; Metropolitan Museum of Art

As well as porcelain, a wide range of materials that were more valuable were worked and decorated with great skill for a range of uses or just for display.Chinese jade was attributed with magical powers, and was used in the Stone and Bronze Ages for large and impractical versions of everyday weapons and tools, as well as the bi disks and cong vessels.Bronze, gold and silver, rhinoceros horn, Chinese silk, ivory, lacquer and carved lacquer, cloisonne enamel and many other materials had specialist artists working in them. Cloisonne underwent an interesting process of artistic hybridization in China, particularly in the pieces promoted by missionaries and Chinese Christian communities.

Folding screens (Chinese: 屏風; pinyin: píngfēng) are often decorated with beautiful art; major themes include mythology, scenes of palace life, and nature. Materials such as wood panel, paper and silk are used in making folding screens. They were considered ideal ornaments for many painters to display their paintings and calligraphy.

Chinese architecture refers to a style of architecture that has taken shape in East Asia over many centuries. Especially Japan, Korea, Vietnam and Ryukyu. The structural principles of Chinese architecture have remained largely unchanged, the main changes being only the decorative details. Since the Tang Dynasty, Chinese architecture has had a major influence on the architectural styles of Korea, Vietnam, and Japan.

From the Neolithic era Longshan Culture and Bronze Age era Erlitou culture, the earliest rammed earth fortifications exist, with evidence of timber architecture. The subterranean ruins of the palace at Yinxu dates back to the Shang Dynasty (c. 1600 BC–1046 BC). In historic China, architectural emphasis was laid upon the horizontal axis, in particular the construction of a heavy platform and a large roof that floats over this base, with the vertical walls not as well emphasized. This contrasts Western architecture, which tends to grow in height and depth. Chinese architecture stresses the visual impact of the width of the buildings. The deviation from this standard is the tower architecture of the Chinese tradition, which began as a native traditionBuddhist building for housing religious sutras — the stupa — which came from Nepal. Ancient Chinese tomb model representations of multiple story residential towers and watchtowers date to the Han Dynasty (202 BC–220 AD). However, the earliest extant Buddhist Chinese pagoda is the Songyue Pagoda, a 40 m (131 ft) tall circular-based brick tower built in Henan province in the year 523 AD. From the 6th century onwards, stone-based structures become more common, while the earliest are from stone and brick arches found in Han Dynasty tombs. The Zhaozhou Bridge built from 595 to 605 AD is China"s oldest extant stone bridge, as well as the world"s oldest fully stone open-spandrel segmental arch bridge.

The vocational trade of architect, craftsman, and engineer was not as highly respected in premodern Chinese society as the scholar-bureaucrats who were drafted into the government by the civil service examination system. Much of the knowledge about early Chinese architecture was passed on from one tradesman to his son or associative apprentice. However, there were several early treatises on architecture in China, with encyclopedic information on architecture dating back to the Han Dynasty. The height of the classical Chinese architectural tradition in writing and illustration can be found in the

There were certain architectural features that were reserved solely for buildings built for the Emperor of China. One example is the use of yellow roof tiles; yellow having been the Imperial color, yellow roof tiles still adorn most of the buildings within the Forbidden City. The Temple of Heaven, however, uses blue roof tiles to symbolize the sky. The roofs are almost invariably supported by brackets, a feature shared only with the largest of religious buildings. The wooden columns of the buildings, as well as the surface of the walls, tend to be red in colour.

Chinoiserie is the European interpretation and imitation of Chinese and East Asian artistic traditions, especially in the decorative arts, garden design, architecture, literature, theatre, and music.Orientalism, which studied Far East cultures from a historical, philological, anthropological, philosophical and religious point of view. First appearing in the 17th century, this trend was popularized in the 18th century due to the rise in trade with China and East Asia.

Drop-front secretaire (secrètaire à abattant); 1770–1775; painted and varnished oak, mahogany, purplewood and gilt-bronze mounts; 152.4 × 67.9 × 34 cm; Metropolitan Museum of Art

Ornamental Design from "Nouvelle suite de cahiers chinois a l"usage des Dessinateurs et des peintres"; after 1775; etching with colored inks à la poupé on off-white laid paper; Cooper Hewitt, Smithsonian Design Museum (New York City)

The Chinese Room in the Royal Palace (Berlin); 1850; brush and watercolor and gouache, graphite on white wove paper; Cooper Hewitt, Smithsonian Design Museum

Pair of round and flat bodied bottles; 1870–1880; porcelain; first bottle: 26.4 × 21 × 10.6 cm, second bottle: 25.7 × 20.2 × 10.2 cm; Metropolitan Museum of Art

Early forms of art in China are found in the Neolithic Yangshao culture, which dates back to the 6th millennium BC. Archeological findings such as those at the Banpo have revealed that the Yangshao made pottery; early ceramics were unpainted and most often cord-marked. The first decorations were fish and human faces, but these eventually evolved into symmetrical-geometric abstract designs, some painted.

The most distinctive feature of Yangshao culture was the extensive use of painted pottery, especially human facial, animal, and geometric designs. Unlike the later Longshan culture, the Yangshao culture did not use pottery wheels in pottery making. Excavations have found that children were buried in painted pottery jars.

The Liangzhu culture was the last Neolithic Jade culture in the Yangtze River Delta and was spaced over a period of about 1,300 years. The Jade from this culture is characterized by finely worked, large ritual jades such as Cong cylinders, Bi discs, Yue axes and also pendants and decorations in the form of chiseled open-work plaques, plates and representations of small birds, turtles and fish. The Liangzhu Jade has a white, milky bone-like aspect due to its Tremolite rock origin and influence of water-based fluids at the burial sites.

Rectangular cauldron (fangding); 12th–11th century BC; bronze; height: 22.9 cm, width: 15.2 cm, depth: 17.8 cm; Metropolitan Museum of Art (New York City)

The Bronze Age in China began with the Xia dynasty. Examples from this period have been recovered from ruins of the Erlitou culture, in Shanxi, and include complex but unadorned utilitarian objects. In the following Shang dynasty more elaborate objects, including many ritual vessels, were crafted. The Shang are remembered for their bronze casting, noted for its clarity of detail. Shang bronzesmiths usually worked in foundries outside the cities to make ritual vessels, and sometimes weapons and chariot fittings as well. The bronze vessels were receptacles for storing or serving various solids and liquids used in the performance of sacred ceremonies. Some forms such as the ku and jue can be very graceful, but the most powerful pieces are the

It is typical of the developed Shang style