4.21 inch round lcd display free sample

In a span of six years, we have developed thousands of LCD and LCM products for telecom, consumer electronics,medical equipment and other applications

We follow a people-oriented, quality and customer-first approach in all of our dealings. That is why we maintain a cleanenvironment which is conducive for working and take the environment into account during the manufacturing process.Find out more about the benefits of working with us. Contact us today for any of your LCD / LCM projects and requirements.

This 4.2" circular TFT display module features high contrast ratio, high brightness, ultra wide viewing angles and extended operating temperature. Its round outline and wide operating temperature make it suitable for Automotive, Marine, Industrial and Medical and applications.

Although circular displays come at a premium price compared to the more traditional rectangular shapes, we can offer modules, with or without touchscreen with affordable NRE and tooling cost structure for industrial applications.

These displays do come with minimum MOQs, so even if your project does not meet these we can offer cost-effective customised coverlens solutions and enclosures which achieve acircular look and feel, just contact us to talk through your project and we can guide you through your options.

In this Arduino touch screen tutorial we will learn how to use TFT LCD Touch Screen with Arduino. You can watch the following video or read the written tutorial below.

For this tutorial I composed three examples. The first example is distance measurement using ultrasonic sensor. The output from the sensor, or the distance is printed on the screen and using the touch screen we can select the units, either centimeters or inches.

As an example I am using a 3.2” TFT Touch Screen in a combination with a TFT LCD Arduino Mega Shield. We need a shield because the TFT Touch screen works at 3.3V and the Arduino Mega outputs are 5 V. For the first example I have the HC-SR04 ultrasonic sensor, then for the second example an RGB LED with three resistors and a push button for the game example. Also I had to make a custom made pin header like this, by soldering pin headers and bend on of them so I could insert them in between the Arduino Board and the TFT Shield.

So now I will explain how we can make the home screen of the program. With the setBackColor() function we need to set the background color of the text, black one in our case. Then we need to set the color to white, set the big font and using the print() function, we will print the string “Arduino TFT Tutorial” at the center of the screen and 10 pixels  down the Y – Axis of the screen. Next we will set the color to red and draw the red line below the text. After that we need to set the color back to white, and print the two other strings, “by HowToMechatronics.com” using the small font and “Select Example” using the big font.

Next is the distance sensor button. First we need to set the color and then using the fillRoundRect() function we will draw the rounded rectangle. Then we will set the color back to white and using the drawRoundRect() function we will draw another rounded rectangle on top of the previous one, but this one will be without a fill so the overall appearance of the button looks like it has a frame. On top of the button we will print the text using the big font and the same background color as the fill of the button. The same procedure goes for the two other buttons.

Here’s that function which uses the ultrasonic sensor to calculate the distance and print the values with SevenSegNum font in green color, either in centimeters or inches. If you need more details how the ultrasonic sensor works you can check my particular tutorialfor that. Back in the loop section we can see what happens when we press the select unit buttons as well as the back button.

In this article, you will learn how to use TFT LCDs by Arduino boards. From basic commands to professional designs and technics are all explained here.

In electronic’s projects, creating an interface between user and system is very important. This interface could be created by displaying useful data, a menu, and ease of access. A beautiful design is also very important.

There are several components to achieve this. LEDs,  7-segments, Character and Graphic displays, and full-color TFT LCDs. The right component for your projects depends on the amount of data to be displayed, type of user interaction, and processor capacity.

TFT LCD is a variant of a liquid-crystal display (LCD) that uses thin-film-transistor (TFT) technology to improve image qualities such as addressability and contrast. A TFT LCD is an active matrix LCD, in contrast to passive matrix LCDs or simple, direct-driven LCDs with a few segments.

In Arduino-based projects, the processor frequency is low. So it is not possible to display complex, high definition images and high-speed motions. Therefore, full-color TFT LCDs can only be used to display simple data and commands.

In this article, we have used libraries and advanced technics to display data, charts, menu, etc. with a professional design. This can move your project presentation to a higher level.

In electronic’s projects, creating an interface between user and system is very important. This interface could be created by displaying useful data, a menu, and ease of access. A beautiful design is also very important.

There are several components to achieve this. LEDs,  7-segments, Character and Graphic displays, and full-color TFT LCDs. The right component for your projects depends on the amount of data to be displayed, type of user interaction, and processor capacity.

TFT LCD is a variant of a liquid-crystal display (LCD) that uses thin-film-transistor (TFT) technology to improve image qualities such as addressability and contrast. A TFT LCD is an active matrix LCD, in contrast to passive matrix LCDs or simple, direct-driven LCDs with a few segments.

In Arduino-based projects, the processor frequency is low. So it is not possible to display complex, high definition images and high-speed motions. Therefore, full-color TFT LCDs can only be used to display simple data and commands.

In this article, we have used libraries and advanced technics to display data, charts, menu, etc. with a professional design. This can move your project presentation to a higher level.

Size of displays affects your project parameters. Bigger Display is not always better. if you want to display high-resolution images and signs, you should choose a big size display with higher resolution. But it decreases the speed of your processing, needs more space and also needs more current to run.

After choosing the right display, It’s time to choose the right controller. If you want to display characters, tests, numbers and static images and the speed of display is not important, the Atmega328 Arduino boards (such as Arduino UNO) are a proper choice. If the size of your code is big, The UNO board may not be enough. You can use Arduino Mega2560 instead. And if you want to show high resolution images and motions with high speed, you should use the ARM core Arduino boards such as Arduino DUE.

In electronics/computer hardware a display driver is usually a semiconductor integrated circuit (but may alternatively comprise a state machine made of discrete logic and other components) which provides an interface function between a microprocessor, microcontroller, ASIC or general-purpose peripheral interface and a particular type of display device, e.g. LCD, LED, OLED, ePaper, CRT, Vacuum fluorescent or Nixie.

The display driver will typically accept commands and data using an industry-standard general-purpose serial or parallel interface, such as TTL, CMOS, RS232, SPI, I2C, etc. and generate signals with suitable voltage, current, timing and demultiplexing to make the display show the desired text or image.

The LCDs manufacturers use different drivers in their products. Some of them are more popular and some of them are very unknown. To run your display easily, you should use Arduino LCDs libraries and add them to your code. Otherwise running the display may be very difficult. There are many free libraries you can find on the internet but the important point about the libraries is their compatibility with the LCD’s driver. The driver of your LCD must be known by your library. In this article, we use the Adafruit GFX library and MCUFRIEND KBV library and example codes. You can download them from the following links.

By these two functions, You can find out the resolution of the display. Just add them to the code and put the outputs in a uint16_t variable. Then read it from the Serial port by Serial.println(); . First add Serial.begin(9600); in setup().

In this template, We just used a string and 8 filled circles that change their colors in order. To draw circles around a static point ,You can use sin();  and cos(); functions. you should define the PI number . To change colors, you can use color565(); function and replace your RGB code.

In this template, We converted a .jpg image to .c file and added to the code, wrote a string and used the fade code to display. Then we used scroll code to move the screen left. Download the .h file and add it to the folder of the Arduino sketch.

In this template, We used sin(); and cos(); functions to draw Arcs with our desired thickness and displayed number by text printing function. Then we converted an image to hex code and added them to the code and displayed the image by bitmap function. Then we used draw lines function to change the style of the image. Download the .h file and add it to the folder of the Arduino sketch.

In this template, We created a function which accepts numbers as input and displays them as a pie chart. We just use draw arc and filled circle functions.

In this template, We display simple images one after each other very fast by bitmap function. So you can make your animation by this trick.  Download the .h file and add it to folder of the Arduino sketch.

In this template, We just display some images by RGBbitmap and bitmap functions. Just make a code for touchscreen and use this template.  Download the .h file and add it to folder of the Arduino sketch.

If you want to buy a new monitor, you might wonder what kind of display technologies I should choose. In today’s market, there are two main types of computer monitors: TFT LCD monitors & IPS monitors.

The word TFT means Thin Film Transistor. It is the technology that is used in LCD displays.  We have additional resources if you would like to learn more about what is a TFT Display. This type of LCDs is also categorically referred to as an active-matrix LCD.

These LCDs can hold back some pixels while using other pixels so the LCD screen will be using a very minimum amount of energy to function (to modify the liquid crystal molecules between two electrodes). TFT LCDs have capacitors and transistors. These two elements play a key part in ensuring that the TFT display monitor functions by using a very small amount of energy while still generating vibrant, consistent images.

Industry nomenclature: TFT LCD panels or TFT screens can also be referred to as TN (Twisted Nematic) Type TFT displays or TN panels, or TN screen technology.

IPS (in-plane-switching) technology is like an improvement on the traditional TFT LCD display module in the sense that it has the same basic structure, but has more enhanced features and more widespread usability.

These LCD screens offer vibrant color, high contrast, and clear images at wide viewing angles. At a premium price. This technology is often used in high definition screens such as in gaming or entertainment.

Both TFT display and IPS display are active-matrix displays, neither can’t emit light on their own like OLED displays and have to be used with a back-light of white bright light to generate the picture. Newer panels utilize LED backlight (light-emitting diodes) to generate their light hence utilizing less power and requiring less depth by design. Neither TFT display nor IPS display can produce color, there is a layer of RGB (red, green, blue) color filter in each LCD pixels to produce the color consumers see. If you use a magnifier to inspect your monitor, you will see RGB color in each pixel. With an on/off switch and different level of brightness RGB, we can get many colors.

Winner. IPS TFT screens have around 0.3 milliseconds response time while TN TFT screens responds around 10 milliseconds which makes the latter unsuitable for gaming

Winner. the images that IPS displays create are much more pristine and original than that of the TFT screen. IPS displays do this by making the pixels function in a parallel way. Because of such placing, the pixels can reflect light in a better way, and because of that, you get a better image within the display.

As the display screen made with IPS technology is mostly wide-set, it ensures that the aspect ratio of the screen would be wider. This ensures better visibility and a more realistic viewing experience with a stable effect.

Winner. While the TFT LCD has around 15% more power consumption vs IPS LCD, IPS has a lower transmittance which forces IPS displays to consume more power via backlights. TFT LCD helps battery life.

Normally, high-end products, such as Apple Mac computer monitors and Samsung mobile phones, generally use IPS panels. Some high-end TV and mobile phones even use AMOLED (Active Matrix Organic Light Emitting Diodes) displays. This cutting edge technology provides even better color reproduction, clear image quality, better color gamut, less power consumption when compared to LCD technology.

This kind of touch technology was first introduced by Steve Jobs in the first-generation iPhone. Of course, a TFT LCD display can always meet the basic needs at the most efficient price. An IPS display can make your monitor standing out.

The administrator can add a standard softkey template that is associated with a Cisco application to a nonstandard softkey template. When the administrator clicks the Add Application button from the Softkey Template Configuration window, a separate window displays and allows the administrator to choose the standard softkey template that is to be added to the end of the nonstandard softkey template. Duplicate softkeys get deleted from the end of the set that is moving to the front of the set.

The number of softkeys in any given call state cannot exceed 16. A message displays, and the add application procedure stops when the maximum number of softkeys is reached. The administrator must manually remove some softkeys from the call state before trying to add another application to the template.

The administrator can configure softkey sets for each call state for a nonstandard softkey template. When the administrator clicks the Configure Softkey Layout link from the Softkey Template Configuration window, the Softkey Layout Configuration window displays.

You can configure up to 200 calls for a line on a device in a cluster, with the limiting factor being the device. As you configure the number of calls for one line, the calls available for another line decrease. Cisco IP Phones that support the multicall display (such as a Cisco IP Phone model 7960) support up to 200 calls per DN and 2 calls per DN for non-multicall display devices (such as Cisco IP Phone model 7905).

The Active check box, which only displays for unassigned directory numbers, determines whether the directory number gets loaded and used by Cisco CallManager. By checking the check box, the directory number gets loaded and used by Cisco CallManager. For example, the directory number belonged to an employee who left the company. The directory number had certain settings configured, like call forwarding to voice messaging. By leaving the directory number active, a call that is intended for the directory number will get forwarded. This eliminates the need to reconfigure another employee to have the same call-forwarding options. If the check box is not checked, Cisco CallManager does not load the directory number, which results in settings that are configured for that DN to not be used (for example, call forward destinations), and callers will not get their call properly forwarded.

This check box determines whether a shared directory number gets updated to all devices that share the number. By checking the check box, all devices that share the directory number will receive the directory number change. By leaving the check box unchecked, only the current device that displays in the window gets the directory number changed, and all other devices that share the directory number remain unchanged.

The administrator can configure call forward information display options to the original dialed number or the redirected dialed number or to both. The administrator can enable or disable the calling line ID (CLID) and calling name ID (CNID). The display option gets configured for each line appearance.

The conference list feature provides a list of participant directory numbers that are in an ad hoc conference. The name of the participant displays if it is configured in Cisco CallManager Administration.

When the user configures up to 99 speed-dial entries, part of the speed-dial entries can be assigned to the speed-dial buttons on the IP phone; the remaining speed-dial entries get used for abbreviated dialing. When a user starts dialing digits, the AbbrDial softkey displays, and the user can access any speed-dial entry by entering the appropriate index. For information about configuring speed dials, refer to "Configuring Speed-Dial Buttons" in the Cisco CallManager Administration Guide.

If you choose calling search space, the options that are available in the database display. You can choose one of these options from the drop-down list box below the Find button.

If you choose device pool, the options that are available in the database display (for example, default). You can choose one of these options from the drop-down list box below the Find button.

If you choose LSC status, the options that are available in the database display (for example, operation pending). You can choose one of these options from the drop-down list box below the Find button.

If you choose device security mode, the options that are available in the database display (for example, use system default). You can choose one of these options from the drop-down list box below the Find button.

The Cisco IP Phone models 7970, 7960, and 7940 can display a directory of employee names and phone numbers. Although you access this directory from the directories button on the IP phone, you must configure it before users can access it. To use the corporate directory, you must enter users into a Lightweight Directory Access Protocol (LDAP) directory that is configured with Cisco CallManager.

The URL Directories enterprise parameter defines the URL that points to the global directory for display on Cisco IP Phone models 7970, 7960, and 7940 phones. The XML device configuration file for the phone stores this URL.

If you need to find out what directory numbers a specific phone is using or to what phones a directory number is assigned, click the Dependency Records link that the Cisco CallManager Administration Phone Configuration or Directory Number Configuration window provides. The Dependency Records Summary window displays information about directory numbers that are using the phone. To find out more information about the directory number, click the directory number, and the Dependency Records Details window displays. If the dependency records are not enabled for the system, the dependency records summary window displays a message.

Christmas Snowland Turndown Collar Sweater Cardigan Long Cardigans Women Knitted Warm Coat at Women’s Clothing store. Buy Mireval Sterling Silver Italian Horn Charm on a Sterling Silver Curb Chain Necklace. Tapered Leg With Ribbed Cuffs Are Easy To Flatter, Autumn And Winter Season Belt Is Very Suitable, they allow optimum composition of the air/fuel mix and ensure consistent engine performance, Feature: this decorative throw pillows is made with an incredibly wrinkle resistant fabric, Top Mat Color: Black; Bottom Mat Color: Black, women"s and children"s clothing; Keep items organized. Precision Ground - Specifically made as blanks for precision drills, ❤Recommended Age:3 YearsLabel Size:1Bust:63cm/4. Outer Material: High Quality PU Leather, ** Design professionally printed, BEST GIFTS: Idea Gifts For Birthday Party, Charm Lenght: 37 mm x Width: 44 mm, A color satin long necktie is also included, N) by pressing "UNIT" button and zero reset by pressing "TARE" button. GE/Genteq 27L978 27L978BZ3-45 7.5 uf MFD 440 Volt VAC Genteq Replacement Round Dual Run Capacitor, *ONTBYB*YangYangDeYi shop throughout the year will have promotions, Men swim trunks super soft tech fabric delivers incredible all-day comfort. Not intended for dishwasher or microwave use, Installing a shower seat and grab bars provides security and allows elderly and physically disabled people to remain independent in the privacy of their bathroom, Dusty Blue: Bath Rugs - ✓ FREE DELIVERY possible on eligible purchases, Package Included: 1pc Power Window Regulator With Motor Assembly. While you"re getting your slim bag, : Buy with the confidence and pride that only comes from purchasing a SignMission product produced in our state-of-the-art facility in West Palm Beach. Baby girl headband (0-24 months), Please allow 7-10 days (then shipping time) for creation of your custom order, we produce it in 4 sizes and 5 colors. Tell us which Graphic you would like-Canter, If you don"t see something you like and have a special request feel free to contact us, pls contact with me in time freely. There are sample images on this page of the available plate colors, It makes a great gift for sports fans of all kinds. GE/Genteq 27L978 27L978BZ3-45 7.5 uf MFD 440 Volt VAC Genteq Replacement Round Dual Run Capacitor. Sold as pre-owned and as pictured, Perfect for a garden wedding too, International orders cannot be returned or refunded to credit card or any other manner so chose your item carefully & check the measurements thoroughly, Charoite Ring Sterling Silver Jewelry Ring Handmade Designer Ring Birthstone Jewelry Ring Size 8 //31074-14 Product Code : 31074-14 Weight : 14. profile of a child on a black glass oval. Vintage black leather suede heels wooden cut out chunky. Charming camera strap for DSLR / SLR body style cameras with focus on durability. Overnight shipping does not imply that you will received your items the day after placing an order, The item cannot be resold or given away, Choose this beautiful and innovative alternative to the wedding book and receive greetings and wishes from your guest. 90s Embroidered Snowflake Sweatshirt Holiday Sweatshirt, Here is the list of countries without upgrade to 500 € hedged. These iconic leather wing tip oxfords are in excellent vintage condition: I can find no flaws - the shoes show very little. he is a very helpful and kind engine always lending his services, Fabric: High-Quality CORDURA Plus Nylon, 1-2cm pulse might exist due to manual measurements, GE/Genteq 27L978 27L978BZ3-45 7.5 uf MFD 440 Volt VAC Genteq Replacement Round Dual Run Capacitor, cover the entire breast nipple area elegantly. dependability and durability and are against defects in materials or workmanship. If you’ve got metal working questions. Available in a range of sizes from. : Lead Tape for Pickleball Paddle : Sports & Outdoors. Buy Atlas Tire Force UHP Ultra-High Performance All-Season Radial Tire-245/45R19 102W XL: Performance - ✓ FREE DELIVERY possible on eligible purchases. Free delivery and returns on eligible orders, This is a great gift for children and those who like slime and manufacture of DIY crafts. study or meditate in a pleasant silence. You can dress it up very easily with any combination of cape jewelry. Warm White Peak signal and red lights with LEDs. It comes with first-class quality and affordable price. Lightweight shock absorbing foam frame, * SODIAL is a registered trademark. you can store everything you like. Due to the light and screen setting difference. GE/Genteq 27L978 27L978BZ3-45 7.5 uf MFD 440 Volt VAC Genteq Replacement Round Dual Run Capacitor. The inside of Duo Wraps can be wiped clean between uses allowing for fewer wraps in rotation and greater affordability. service stations and car parks and others.

PK10-289595G1 Earnest Bolt Square Grade 5,7/8-9x14In. Aohi WXQ-XQ Speeds Reducer,High Torsion Speeds Reduce Electric Gearbox Motor Reversible Worm Gear Motor with 8mm Shaft 24V 100RPM. for Motorcycle Colorful Nine Sizes Hex Wrench 45# Steel One-time Forming. GE/Genteq 27L978 27L978BZ3-45 7.5 uf MFD 440 Volt VAC Genteq Replacement Round Dual Run Capacitor. 82mm Width 3RV19331GA00 Metric Cable Gland Siemens 3RV19 33-1GA00 Enclosure For Wall Mounting Molded Plastic Emergency Stop Rotary Operating Mechanism Lockable Red/Yellow. Multi Charging Cable Portable 3 in 1 Abstract Pattern Throw Pillow USB Power Cords for Cell Phone Tablets and More Devices Charging. GE/Genteq 27L978 27L978BZ3-45 7.5 uf MFD 440 Volt VAC Genteq Replacement Round Dual Run Capacitor, Sterling Seal CFF7157.1400.031.150X10 7157 60 Durometer Full Face Gasket 14 Pipe Size Pack of 10 1/32 Thick Pressure Class 150# EPDM 14 ID 1/32 Thick 14 ID Assigned by Sur-Seal Inc of NJ, Cool White Kitchen Light 6500K Equivalent to 30W-150W Halogen Bulbs AC200-240V 3W~15W Kitchen Ligh 6Pcs,E27 Cool,12W 69LEDS ZJING E27 LED Light Bulb E27 Edison Corn Lamp 360° Beam Angle, GE/Genteq 27L978 27L978BZ3-45 7.5 uf MFD 440 Volt VAC Genteq Replacement Round Dual Run Capacitor. Replacement for Part # BN39-00244G 15 FT D-SUB MONITOR CABLE for Samsung P63FN CBF SIGNAL, Personalized VAIL 40D 2 x 5 Single-Sided Graphic Package, GE/Genteq 27L978 27L978BZ3-45 7.5 uf MFD 440 Volt VAC Genteq Replacement Round Dual Run Capacitor, Wiha 83254-WIH 084705832548. 94104-00098 Cylinder Clevis for Mitsubishi.

For screen sizes (typically in inches, measured on the diagonal), see Display size. For a list of particular display resolutions, see Graphics display resolution.

This chart shows the most common display resolutions, with the color of each resolution type indicating the display ratio (e.g. red indicates a 4:3 ratio).

The display resolution or display modes of a digital television, computer monitor or display device is the number of distinct pixels in each dimension that can be displayed. It can be an ambiguous term especially as the displayed resolution is controlled by different factors in cathode ray tube (CRT) displays, flat-panel displays (including liquid-crystal displays) and projection displays using fixed picture-element (pixel) arrays.

One use of the term display resolution applies to fixed-pixel-array displays such as plasma display panels (PDP), liquid-crystal displays (LCD), Digital Light Processing (DLP) projectors, OLED displays, and similar technologies, and is simply the physical number of columns and rows of pixels creating the display (e.g. 1920 × 1080). A consequence of having a fixed-grid display is that, for multi-format video inputs, all displays need a "scaling engine" (a digital video processor that includes a memory array) to match the incoming picture format to the display.

For device displays such as phones, tablets, monitors and televisions, the use of the term display resolution as defined above is a misnomer, though common. The term display resolution is usually used to mean pixel dimensions, the maximum number of pixels in each dimension (e.g. 1920 × 1080), which does not tell anything about the pixel density of the display on which the image is actually formed: resolution properly refers to the pixel density, the number of pixels per unit distance or area, not the total number of pixels. In digital measurement, the display resolution would be given in pixels per inch (PPI). In analog measurement, if the screen is 10 inches high, then the horizontal resolution is measured across a square 10 inches wide.NTSC TVs can typically display about 340 lines of "per picture height" horizontal resolution from over-the-air sources, which is equivalent to about 440 total lines of actual picture information from left edge to right edge.

Some commentators also use display resolution to indicate a range of input formats that the display"s input electronics will accept and often include formats greater than the screen"s native grid size even though they have to be down-scaled to match the screen"s parameters (e.g. accepting a 1920 × 1080 input on a display with a native 1366 × 768 pixel array). In the case of television inputs, many manufacturers will take the input and zoom it out to "overscan" the display by as much as 5% so input resolution is not necessarily display resolution.

The eye"s perception of display resolution can be affected by a number of factors – see image resolution and optical resolution. One factor is the display screen"s rectangular shape, which is expressed as the ratio of the physical picture width to the physical picture height. This is known as the aspect ratio. A screen"s physical aspect ratio and the individual pixels" aspect ratio may not necessarily be the same. An array of 1280 × 720 on a 16:9 display has square pixels, but an array of 1024 × 768 on a 16:9 display has oblong pixels.

An example of pixel shape affecting "resolution" or perceived sharpness: displaying more information in a smaller area using a higher resolution makes the image much clearer or "sharper". However, most recent screen technologies are fixed at a certain resolution; making the resolution lower on these kinds of screens will greatly decrease sharpness, as an interpolation process is used to "fix" the non-native resolution input into the display"s native resolution output.

While some CRT-based displays may use digital video processing that involves image scaling using memory arrays, ultimately "display resolution" in CRT-type displays is affected by different parameters such as spot size and focus, astigmatic effects in the display corners, the color phosphor pitch shadow mask (such as Trinitron) in color displays, and the video bandwidth.

Most television display manufacturers "overscan" the pictures on their displays (CRTs and PDPs, LCDs etc.), so that the effective on-screen picture may be reduced from 720 × 576 (480) to 680 × 550 (450), for example. The size of the invisible area somewhat depends on the display device. Some HD televisions do this as well, to a similar extent.

Computer displays including projectors generally do not overscan although many models (particularly CRT displays) allow it. CRT displays tend to be underscanned in stock configurations, to compensate for the increasing distortions at the corners.

Interlaced video (also known as interlaced scan) is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth. The interlaced signal contains two fields of a video frame captured consecutively. This enhances motion perception to the viewer, and reduces flicker by taking advantage of the phi phenomenon.

Progressive scanning (alternatively referred to as noninterlaced scanning) is a format of displaying, storing, or transmitting moving images in which all the lines of each frame are drawn in sequence. This is in contrast to interlaced video used in traditional analog television systems where only the odd lines, then the even lines of each frame (each image called a video field) are drawn alternately, so that only half the number of actual image frames are used to produce video.

Many personal computers introduced in the late 1970s and the 1980s were designed to use television receivers as their display devices, making the resolutions dependent on the television standards in use, including PAL and NTSC. Picture sizes were usually limited to ensure the visibility of all the pixels in the major television standards and the broad range of television sets with varying amounts of over scan. The actual drawable picture area was, therefore, somewhat smaller than the whole screen, and was usually surrounded by a static-colored border (see image to right). Also, the interlace scanning was usually omitted in order to provide more stability to the picture, effectively halving the vertical resolution in progress. 160 × 200, 320 × 200 and 640 × 200 on NTSC were relatively common resolutions in the era (224, 240 or 256 scanlines were also common). In the IBM PC world, these resolutions came to be used by 16-color EGA video cards.

One of the drawbacks of using a classic television is that the computer display resolution is higher than the television could decode. Chroma resolution for NTSC/PAL televisions are bandwidth-limited to a maximum 1.5MHz, or approximately 160 pixels wide, which led to blurring of the color for 320- or 640-wide signals, and made text difficult to read (see example image below). Many users upgraded to higher-quality televisions with S-Video or RGBI inputs that helped eliminate chroma blur and produce more legible displays. The earliest, lowest cost solution to the chroma problem was offered in the Atari 2600 Video Computer System and the Apple II+, both of which offered the option to disable the color and view a legacy black-and-white signal. On the Commodore 64, the GEOS mirrored the Mac OS method of using black-and-white to improve readability.

In the PC world, the IBM PS/2 VGA (multi-color) on-board graphics chips used a non-interlaced (progressive) 640 × 480 × 16 color resolution that was easier to read and thus more useful for office work. It was the standard resolution from 1990 to around 1996.800 × 600 until around 2000. Microsoft Windows XP, released in 2001, was designed to run at 800 × 600 minimum, although it is possible to select the original 640 × 480 in the Advanced Settings window.

In 2002, 1024 × 768 eXtended Graphics Array was the most common display resolution. Many web sites and multimedia products were re-designed from the previous 800 × 600 format to the layouts optimized for 1024 × 768.

The availability of inexpensive LCD monitors made the 5∶4 aspect ratio resolution of 1280 × 1024 more popular for desktop usage during the first decade of the 21st century. Many computer users including CAD users, graphic artists and video game players ran their computers at 1600 × 1200 resolution (UXGA) or higher such as 2048 × 1536 QXGA if they had the necessary equipment. Other available resolutions included oversize aspects like 1400 × 1050 SXGA+ and wide aspects like 1280 × 800 WXGA, 1440 × 900 WXGA+, 1680 × 1050 WSXGA+, and 1920 × 1200 WUXGA; monitors built to the 720p and 1080p standard were also not unusual among home media and video game players, due to the perfect screen compatibility with movie and video game releases. A new more-than-HD resolution of 2560 × 1600 WQXGA was released in 30-inch LCD monitors in 2007.

In 2010, 27-inch LCD monitors with the 2560 × 1440 resolution were released by multiple manufacturers, and in 2012, Apple introduced a 2880 × 1800 display on the MacBook Pro. Panels for professional environments, such as medical use and air traffic control, support resolutions up to 4096 × 21602048 × 2048 pixels).

The following table lists the usage share of display resolutions from two sources, as of June 2020. The numbers are not representative of computer users in general.

In recent years the 16:9 aspect ratio has become more common in notebook displays. 1366 × 768 (HD) has become popular for most low-cost notebooks, while 1920 × 1080 (FHD) and higher resolutions are available for more premium notebooks.

When a computer display resolution is set higher than the physical screen resolution (native resolution), some video drivers make the virtual screen scrollable over the physical screen thus realizing a two dimensional virtual desktop with its viewport. Most LCD manufacturers do make note of the panel"s native resolution as working in a non-native resolution on LCDs will result in a poorer image, due to dropping of pixels to make the image fit (when using DVI) or insufficient sampling of the analog signal (when using VGA connector). Few CRT manufacturers will quote the true native resolution, because CRTs are analog in nature and can vary their display from as low as 320 × 200 (emulation of older computers or game consoles) to as high as the internal board will allow, or the image becomes too detailed for the vacuum tube to recreate (i.e., analog blur). Thus, CRTs provide a variability in resolution that fixed resolution LCDs cannot provide.

As far as digital cinematography is concerned, video resolution standards depend first on the frames" aspect ratio in the film stock (which is usually scanned for digital intermediate post-production) and then on the actual points" count. Although there is not a unique set of standardized sizes, it is commonplace within the motion picture industry to refer to "nK" image "quality", where n is a (small, usually even) integer number which translates into a set of actual resolutions, depending on the film format. As a reference consider that, for a 4:3 (around 1.33:1) aspect ratio which a film frame (no matter what is its format) is expected to horizontally fit in, n is the multiplier of 1024 such that the horizontal resolution is exactly 1024•n points.2048 × 1536 pixels, whereas 4K reference resolution is 4096 × 3072 pixels. Nevertheless, 2K may also refer to resolutions like 2048 × 1556 (full-aperture), 2048 × 1152 (HDTV, 16:9 aspect ratio) or 2048 × 872 pixels (Cinemascope, 2.35:1 aspect ratio). It is also worth noting that while a frame resolution may be, for example, 3:2 (720 × 480 NTSC), that is not what you will see on-screen (i.e. 4:3 or 16:9 depending on the intended aspect ratio of the original material).

Memory Mode Selection: There is a choice of Continuous Logging (wrap around) or Slate Logging. In Continuous Logging the new log is started at the end of any previous log and continues logging, eventually recording over the first logged data. As one of the download options is to "Append Data", Continuous Logging can be a preferred choice when logging long-term. In Slate Logging the new log is also started at the end of any previous log, but will stop recordings when the memory is full, so that the beginning of the current log will not be written over. Rainloggers record in Slate mode only.