lcd module stm32 factory

For any microcontroller project, interfacing a display unit with it would make the project a lot easier and appealing for the user to interact with. The most commonly used display unit for microcontrollers is the 16×2 Alpha numeric displays. These types of displays are not only useful to display vital information to the user but can also act as a debugging tool during the initial developmental stage of the project. So, in this tutorial we will learn how we can interface a 16×2 LCD display with the STM32F103C8T6 STM32 Development board and program it using the Arduino IDE. For people who are familiar with Arduino this tutorial will just be a cake walk since they both are very similar. Also to learn more about STM32 Blue Pill Board follow our getting started tutorial.

As told earlier the Energia IDE provides a beautiful library which makes the interfacing a piece of cake and hence it’s not mandatory to know anything about the display module. But, would didn’t it be interesting to show what we are using!!

Out of all these 16 pins, only 10 pins are to be used mandatory for the proper working of the LCD if you want to know more about these LCD display jump to this 16x2 LCD article.

As you can see the complete connection is made over a breadboard. We need a FTDI board to program the STM32 Microcontroller. So similar to our previous tutorial, we have wired the FTDI board to STM32, the Vcc and ground pin of the FDTI programmer is connected to the 5V pin and ground pin of the STM32 respectively. This is used to power the STM32 board and the LCD since both can accept can +5V. The Rx and Tx pin of the FTDI board is connected to the A9 and A10 pin of the STM32 so that we can program the board directly without the boot loader.

Next the LCD has to be connected to the STM32 board. We are going to use the LCD in 4-bit mode, so we have to connect the 4 data bit pins (DB4 to DB7) and the two control pin (RS and EN) to the STM32 board as shown in the STM32F103C8T6 LCD interfacing circuit diagram above. Further the table below will help you in making the connection.

As told in this tutorial we will be using the Arduino IDE to program our STM32 Microcontroller. But, the Arduino IDE by default will not have the STM32 board installed, hence we have to download a package and prepare the Arduino IDE for the same. This is exactly what we did in our previous tutorial getting started with STM32F103C8T6 using Arduino IDE. So if you have not installed the required packages fall back to this tutorial and follow it before you continue here.

Once the STM32 Board is installed in the Arduino IDE, we can start programming. The program is very similar to that of an Arduino board, the only thing that will change are the pin names since the notations are different for STM32 and Arduino. The complete program is given at the end of this page, but to explain the program I have split it into small meaningful snippets as shown below.

One noticeable advantage of using Arduino for programming our microcontrollers is that Arduino has readymade libraries for almost every famous sensors and actuators. So here we start our program by including the LCD library which makes the programming a lot easier.

In the next line we have to specify to which GPIO pins of the STM32 we have connected the LCD display control and data lines. To do this we have to check our hardware, for ease you can also refer to the table given at the top which lists the pin names of LCD against the GPIO pin of STM32. After mentioning the pins we can initialise the LCD using the LiquidCrystal function. We also name our LCD as “lcd” as shown below.

Next we step inside the setup function. Here first we have mention what type of LCD we are using. Since it is a 16*2 LCD we use the line lcd.begin(16,2). The code inside the void setup function gets executed only once. So we use it to display an intro text which comes on the screen for 2 seconds and then gets cleared. To mention the position where the text has to appear we use the function lcd.setcursor and to print the text we use the lcd.print function. For instance lcd.setCursor(0,0) will set the cursor at first row and first column where we print “Interfacing LCD” and the function lcd.setCursor (0,1) moves the cursor to second row first column where we print the line “CircuitDigest”.

After displaying the intro text we hold the program for 2 seconds by creating a delay so that the user the can read the intro message. This delay is created by the line delay(2000) where 2000 is the delay value in mill seconds. After the delay we clear the LCD using the lcd.clear() function which clears the LCD by removing all the text on LCD.

Finally inside the void loop, we display “STM32 –Blue Pill” on the first line and the value of seconds on the second line. The value of second can be obtained from the millis() function. The millis() is a timer which gets incrementing right from the time the MCU is powered. The value is in form of milli seconds so we divide it by 1000 before displaying it on our LCD.

Make the connections as show in the circuit diagram and use the code given below on Arduino IDE. Go to tools and make sure the right board is selected as done in getting started tutorial. Also, before uploading the program make sure the boot 0 jumper is set to 1as shown in the image below and press the reset button. When the upload button is pressed is code should get uploaded and the message will be shown on LCD as show in the image below.

As discussed in the above paragraph you should be able to notice the output as soon as the code is uploaded. But this program will not work the next time when you power up the board, since the board is still in programming mode. So once the program is uploaded the jumper on boot 0 should be changed back to 0 positions as show below. Also now since the program is uploaded to the STM32 board already we do not need the FTDI board and the whole set-up can be powered by the micro-USB port of the STM32 board as well as shown below.

This is just a simple interfacing project to help use the LCD display with STM32 board, but further you can use this to build cool projects. Hope you understood the tutorial and learnt something useful from it. If you had faced any problem in getting it to work, please use the comment section to post the problem or use the forums for other technical questions. The complete working of LCD display with STM32 can also be found as a video given below.

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The board offers additional and independent GPIOs over a 40pin, 1.27mm male header. It provides direct access to the below GPIOs of MCU STM32H747XIH6, that makes it possible to be easily extended by an addon board for specific application.

SWD connector allows to program STM32 and QSPI with customer’s applications. Riverdi developed the ST-LINK programming cable that is included in the STM32 Embedded Display sample package (single packing).

In some applications there might be a need to connect a second display in one device. With the STM32 Embedded Display line it is very easy as these displays are equipped with Master RiBUS connector – universal interface to Riverdi’s intelligent displays. In this way, the second display does nots need an external host controller and 2 independent displays can be controlled by one STM32.

Power supply voltage ranges from 6.0 V- 36.0V. A wide power supply comes with a wide range of application. Reverse polarity protection which ensures that the device is not damaged if the power supply polarity is reversed. Module also can be powered from interface connectors: RS232, RS485, 2xCAN FDs. They are internally connected.

PoE stands for Power over Ethernet and refers to the ability to use an Ethernet cord to carry network data and electrical power to connected devices. The 2 x 20-pin, 1.27 mm, pin sockets, are used to connect the Riverdi PoE Add-on Board. The Riverdi PoE Add-on Board features 10/100M Ethernet Port with Power-Over-Ethernet enabled. It allows you to power the module through the Ethernet port.

STM32 Embedded boards were designed with special attention paid to electromagnetic compatibility, a design that has given them a high immunity to external electromagnetic signals which otherwise could have disturbing influence on their working correctly.

The EMC measurements held in a specialized laboratory confirmed low electromagnetic emissions of STM32 Embedded modules, even when displaying dynamic pictures.

Optical bonding is a process of affixing the touch panel (or just the protective glass) to the display using a liquid adhesive, gel or dry (film). In general, this process improves the parameters of the module – the optical performance, as well as durability.

A uxTouch display is a specially designed LCD TFT display which has a Projected Capacitive Touch (PTC). They are the perfect choice for your project if you intend to have an interactive design and technology, thanks to their absolute flat design and multi-touch feature.

STM32 Embedded boards were designed with special attention paid to electromagnetic compatibility, a design that has given them a high immunity to external electromagnetic signals which otherwise could have disturbing influence on their working correctly.

The EMC measurements held in a specialized laboratory confirmed low electromagnetic emissions of STM32 Embedded modules, even when displaying dynamic pictures.

Optical bonding is a process of affixing the touch panel (or just the protective glass) to the display using a liquid adhesive, gel or dry (film). In general, this process improves the parameters of the module – the optical performance, as well as durability.

A uxTouch display is a specially designed LCD TFT display which has a Projected Capacitive Touch (PTC). They are the perfect choice for your project if you intend to have an interactive design and technology, thanks to their absolute flat design and multi-touch feature.

This 7 inch TFT LCD display module has super stability. The module uses the driving scheme of CPLD + SDRAM, which far more superior than SSD1963 and RA8875. Solve the problem of bad immunity, death and white screen from SSD1963.

This 7 inch TFT LCD display module has good simplicity. Not need an initializer, what have to do is reset. You can use 5 register command to control it. Greatly thin the code, reducing the debugging difficult and error rate.

This 7 inch TFT LCD display module has good speed. The respond speed of W/R cycle can be up to 200ns. The fastest full screen refresh rate is 13 frames. 8M SDRAM correspond to 8 pages display cache. The display registers and RW one is set independently. Display page and RW page also can be in which data can be written in the background. Just using one command to change screenful display data instantly. Far more superior than RA8875.

LED_A: backlight control (factory default backlight is controlled by program,0-16 Adjustable backlight brightness, without LED_A control, if required by the LED_A manual control on the module Backlight Control Department to modify resistor pad jumpers can be changed manually LED_A control, manual control when, LED_A access high-back light, then lower the backlight off, the PWM signal is adjustable brightness)

Asia has long dominated the display module TFT LCD manufacturers’ scene. After all, most major display module manufacturers can be found in countries like China, South Korea, Japan, and India.

However, the United States doesn’t fall short of its display module manufacturers. Most American module companies may not be as well-known as their Asian counterparts, but they still produce high-quality display products for both consumers and industrial clients.

In this post, we’ll list down 7 best display module TFT LCD manufacturers in the USA. We’ll see why these companies deserve recognition as top players in the American display module industry.

STONE Technologies is a leading display module TFT LCD manufacturer in the world. The company is based in Beijing, China, and has been in operations since 2010. STONE quickly grew to become one of the most trusted display module manufacturers in 14 years.

Now, let’s move on to the list of the best display module manufacturers in the USA. These companies are your best picks if you need to find a display module TFT LCD manufacturer based in the United States:

Planar Systems is a digital display company headquartered in Hillsboro, Oregon. It specializes in providing digital display solutions such as LCD video walls and large format LCD displays.

Microtips Technology is a global electronics manufacturer based in Orlando, Florida. The company was established in 1990 and has grown into a strong fixture in the LCD industry.

What makes Microtips a great display module TFT LCD manufacturer in the USA lies in its close ties with all its customers. It does so by establishing a good rapport with its clients starting from the initial product discussions. Microtips manages to keep this exceptional rapport throughout the entire client relationship by:

Displaytech is an American display module TFT LCD manufacturer headquartered in Carlsbad, California. It was founded in 1989 and is part of several companies under the Seacomp group. The company specializes in manufacturing small to medium-sized LCD modules for various devices across all possible industries.

The company also manufactures embedded TFT devices, interface boards, and LCD development boards. Also, Displaytech offers design services for embedded products, display-based PCB assemblies, and turnkey products.

Displaytech makes it easy for clients to create their own customized LCD modules. There is a feature called Design Your Custom LCD Panel found on their site. Clients simply need to input their specifications such as their desired dimensions, LCD configuration, attributes, connector type, operating and storage temperature, and other pertinent information. Clients can then submit this form to Displaytech to get feedback, suggestions, and quotes.

A vast product range, good customization options, and responsive customer service – all these factors make Displaytech among the leading LCD manufacturers in the USA.

Products that Phoenix Display offers include standard, semi-custom, and fully-customized LCD modules. Specifically, these products comprise Phoenix Display’s offerings:

Clients flock to Phoenix Display because of their decades-long experience in the display manufacturing field. The company also combines its technical expertise with its competitive manufacturing capabilities to produce the best possible LCD products for its clients.

True Vision Displays is an American display module TFT LCD manufacturing company located at Cerritos, California. It specializes in LCD display solutions for special applications in modern industries. Most of their clients come from highly-demanding fields such as aerospace, defense, medical, and financial industries.

The company produces several types of TFT LCD products. Most of them are industrial-grade and comes in various resolution types such as VGA, QVGA, XGA, and SXGA. Clients may also select product enclosures for these modules.

All products feature high-bright LCD systems that come from the company’s proprietary low-power LED backlight technology. The modules and screens also come in ruggedized forms perfect for highly-demanding outdoor industrial use.

LXD Incorporated is among the earliest LCD manufacturers in the world. The company was founded in 1968 by James Fergason under the name International Liquid Xtal Company (ILIXCO). Its first headquarters was in Kent, Ohio. At present, LXD is based in Raleigh, North Carolina.

All of their display modules can be customized to fit any kind of specifications their clients may require. Display modules also pass through a series of reliability tests before leaving the manufacturing line. As such, LXD’s products can withstand extreme outdoor environments and operates on a wide range of temperature conditions.

We’ve listed the top 7 display module TFT LCD manufacturers in the USA. All these companies may not be as well-known as other Asian manufacturers are, but they are equally competent and can deliver high-quality display products according to the client’s specifications. Contact any of them if you need a US-based manufacturer to service your display solutions needs.

We also briefly touched on STONE Technologies, another excellent LCD module manufacturer based in China. Consider partnering with STONE if you want top-of-the-line smart LCD products and you’re not necessarily looking for a US-based manufacturer. STONE will surely provide the right display solution for your needs anywhere you are on the globe.