16x2 stm32 lcd display manual. Title: HD44780_16x2_Character_LCD_Display.

16x2 stm32 lcd display manual 3V/5V compatible Display ON/OFF control 0 0 0 000 1DCB Set ON/OFF all display(D),cursor ON/OFF(C), and blink of cursor position character(B). LCD Display 16x2 control unit pdf manual download. So there are 2 things you need: 1. h file with text editor. This project involves interfacing an STM32F103C8T6 microcontroller to a DHT11 sensor module and a 16x2 LCD Display for real-time recording of temperature and humidity. It perfroms the basic Text/Number printing to your 16X2 LCD, in 8 bits and 4 bits modes of operation. Jun 14, 2020 · Now, for a display. A simple 16x2 LCD pinout that we use in this tutorial is shown below- LCD -016 N 002 M -T T I -ET 1. Tested with STM32F072RB and a 20x4* character LCD conforming to the HD44780 industrial standard with a PCF8574 adapter chip for I2C serial communication. VCC of the LCD to the 5V or 3. Modified 10 years, 2 months ago. Mar 25, 2023 · Learn how to interface a 16x2 LCD with an STM32 microcontroller in this step-by-step guide. You signed out in another tab or window. LEARN STM32. Product Description. 40μs Cursor or Display shift 0 0 0 001 S / C R / L xx Move the cursor and shift the display without changing DD RAM Sep 4, 2024 · STM32 Blue Pill Board; I2C LCD Display; Connecting Wires; Breadboard; Connection: Connection of STM32 Blue Pill with 16×2 LCD Display. Here is the code #include Jan 8, 2025 · Hello, STM32F407G-DISC1 STMCubeIDE. I am trying to send data to LCD, but TxE bit is never set and program stucks in while loop of lcd_send_cmd function. 0-inch display and ssd1963 adapter board. The main components used in the setup are: STM32 Blue Pill Development Board; DHT11 Sensor module; 16x2 LCD Display; USB to TTL Serial Converter module -> for debugging the STM32 MCU Oct 12, 2012 · Hi, i have and LCD 16x2 connected to my Leonardo. Để điều khiển độ tương phản của LCD chúng ta bắt buộc phải nối chân V0 vào biến trở hoặc trở để điểu khiển độ tương phản. siliconcraft. Model: LCD1602 Interface: I2C Interface Address: 0x27 Character Color: White/Black Já temos um vídeo fazendo uma introdução a utilização de display LCD juntamente com o STM32. Dependencies: LiquidCrystal library Oct 10, 2012 · The display neither knows nor cares what processor (STM32, 8051, PIC, etc) is used to drive it - just so long as it meets the requirements specified in the Datasheet (specifically, in the LCD Controller Datasheet). We’ll start with an introduction to the LCD 16×2 display, how to implement an STM32 LCD 16×2 Library (driver), and test it on a real STM32 blue pill board. #define DATA_PIN1 GPIO_PIN_1. Aug 22, 2022 · Connect pin 1,5,16 of LCD to GND of STM32 Connect pin 3 of LCD to 10K Pot as shown in above circuit. Aug 7, 2023 · I don't understand how to use these two display modes: Read Busy Flag and Address Counter Read Data from RAM Datasheet LCD2004A I can describe how writing to DDRAM works. with the STM8SVLDISCOVERY'' The recent official library release are using the TFT LCD . Make pin connection between LCD display and STM32 black pill board as shown in the images. WH1602B1 is having 4 line SPI interface, as to the part no. The 16×2 LCD display is general for such applications due to its good use and flexibility. 3V/5V, for Arduino/Raspberry Pi/Raspberry Pi Pico/Jetson Nano/ESP32/STM32 : Electronics Jul 25, 2021 · Cách kết nối phần cứng STM32 với LCD1602. The following image shows a typical 16X2 Alphanumeric Character LCD Display. -Hannibal- This tutorial will enlighten us on utilizing the STM32 Black Pill and STM Cube IDE to exhibit the text "Name" on a 16x2 LCD display. For Roger's core, much information can be found in the old forum: here. I have an example of using an OLED I2C display here. com: GeeekPi 2-Pack I2C 1602 LCD Display Module 16X2 Character Serial Blue Backlight LCD Module for Raspberry Pi Arduino STM32 DIY Maker Project Nanopi BPI Tinker board Electrical IoT Internet of Things : Electronics Aug 15, 2018 · 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. co. Examples of LCD 16x2 interfacing. For Standard LCD 16x2 with White Background. Component List for the Project The lcd_send_data function is generally used to send the data to the LCD. Peripheral display LCD ini sering dipakai pada proyek/aplikasi mikrokontroler untuk mempermudah interaksi antara alat dengan pengguna (user). All the above mentioned LCD display will have 16 Pins and the programming approach is also the same and hence the choice is left to you. Also, SDA line seems always low as you can see in the below. Description: This is a library for the standard 16X2 LCD display, for the STM32 MCUs based on HAL libraries. 0-inch TFT LCD display module, which consists of two parts: 7. Then display “Custom chars!!” in the top row of the LCD. The first step is to make connections between the components. C=1: ON cursor;0: OFF cursor. - As stated above, libraries are generally written for external devices. No installation required! Aug 7, 2019 · Recently I started programming on STM32 board for better understanding I am using Direct register access Method. In this tutorial, you’ll learn how to interface STM32 with LCD 16×2 display and integrate the STM32 LCD library into your project. This project was contributed by Naman Chauhan. Today we will see how to interface LCD1602 with STM32 using an I2C device (PCF8574). 3V of the STM32. Apr 2, 2022 · As already mentioned, PCF8574T - is an i2c expander. But first, let’s quickly go through a fast introduction to the same as a refresher. LCD 16×2 can be connected in the parallel mode either using 4 data pins (LCD 4 bit MODE) or using all 8 data pins (8 bit MODE). store_____ This user manual gives an overview of the X-CUBE-DISPLAY Expansion Package and explains how to get started in STM32CubeMX. be/L1Zkcd7vRkk- Tài liệu KÍT: https://pvtshop. STM32 is a microcontroller board based on the ARM-Cortex 32-bit processor. I works properly with all the examples son the connection is ok. I tried 2 different displays (LCD Display Problem) in STM32 MCUs July 12, 2017 ARM, communication, Cortex, discovery, display, getting started, HAL As promised, today I am going to interface LCD to STM32 using an I2C device Oct 24, 2015 · 16×2 LCD is named so because; it has 16 Columns and 2 Rows. LCD1602 RGB Module, 16x2 characters LCD, RGB Backlight, 3. In this project, we are going to do the interfacing of a 16x2 LCD display using a Blackpill STM32 F401CC board on the STM32 Cube IDE. STM32 Black Pill board; USB – Type C cable; 16x2 LCD; Potentiometer (10kΩ) Jumper Nov 21, 2016 · How do I get the variable, volts, to display floating point numbers on a LCD? The LCD only displays floating point values with a lot of decimal places with E at the end. I want to display float value Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. Backlight Type pÉN fWithout backlight B fEL, Blue green D fEL, Green W fEL, White F fCCFL, White Y fLED, Yellow Green T fLED, White This driver for LCD 16X2 is compatible with all STM32 microcontrollers - riadhbh/LCD1602-DRIVER-STM32 it might be useful to display chiffers with unity like 64°F All the above mentioned LCD display will have 16 Pins and the programming approach is also the same and hence the choice is left to you. Features: 4bit & 8bit mode; #STM32 #STM32F103 #LCD #hocdientuMCU- Giới thiệu LCD: https://youtu. Aug 6, 2022 · A Brief note of 16X2 LCD. ,Basically we are going to use the parallel connectio How to Interface LCD1602 via I2C with STM32. LCD display to Arduino wiring. A transflexive pixel is half mirror and half backlighted. But I add the LCD to another sketch and it's just showing garbage, and i have no idea why. SC1602LC 16x2 Large Characters RS232 LCD Module User’s Manual www. com: waveshare LCD1602 I2C Module AiP31068 Controller,16x2 Characters LCD Display,White Color with Blue Background 3. Make a quick research bu taping for example ''16x2 LCD''. micropeta. The 16X2 LCD display has already been utilized with a variety of microcontrollers, including the 8051, ATmega, Arduino, and LPC2148 (ARM7). No installation required! Author: Nizar Mohideen, Category: LCD, STM32, CubeIDE Docs. 16x2 means two lines and each line has 16 columns, 32 characters in total. Discover the hardware connections and example code required to display text on an LCD screen and create a basic user interface for embedded applications. This library provides to using STM32 and LCD together. The display module uses 800x480 resolution, supports rgb565k color display, and uses ssd1963 driver IC. 0. #define DATA_PIN3 GPIO_PIN_3. With the help of Grove I2C connector, only 2 signal pins and 2 power pins are needed. LCD PANEL 16 Characters x 2 Lines 40SEG Segment driver LED Backlight . Can You hepl me? You can send me a project stm32f407vgt6 with LCD 16x2 by me email: huynguyen300495@gmail. Mar 12, 2023 · The STM32 Blue Pill board package comes with a nice LCD library that supports different LCD connections including the 4-bit and 8-bit operating modes and the ‘RW’ pin connection. But no matter what i put in "Data" LCD display no-sense things. SDA pin of the LCD to the SDA pin of the STM32 (PB7). The IR stores instruction codes, such as display clear and cursorshift, and address information for display data RAM (DDRAM) and character generator (CGRAM). SCL pin of the LCD to the SCL pin of the STM32 ( PB6). No installation required! Dec 27, 2020 · LCD display data sheet link: In attachments I uploaded the pictured of STM and display. 3V/5V, I2C bus LCD1602 RGB Module adjustable RGB Backlight color, I2C communication, 3. I use the classical 16x2 character display with just GPIO bitbang a pseudo SPI to drive the display and it works ok. The LCD library is included in the Arduino code as shown below: Jan 3, 2025 · I met problems while trying to drive a 16x2 I2C Lcd display with STM32F446RE Nucleo boards. All supported characters is listed below Communication Communication with SC1602LC is through RS232 at 9600 bps and 8 data bits, no parity and 1 stop bit protocol. Title: HD44780_16x2_Character_LCD_Display. First, I put the cursor on the display where I want to write the character: LCD_SendCommand(0x02); //Return Cursor Home And in piggy-back board pins are straight and fit in the LCD module, then solder in the first pin while keeping the I2C-to-LCD piggy-back board in the same plane with the LCD module. WH1602B 16x2 LCD display model is built in with ST7066 controller IC or equivalent; its default interface is 6800 4/8-bit parallel. Requirements. We’ll see how it works internally and how to interface it with STM32. No installation required! Display text on a LCD screen using STM32 Nucleo F446RE microcontroller and libopencm3 library To be updated - anweshct3/STM32-16x2-LCD-Display. Rev1. No installation required! First of all we will initialize the LCD. Once you have finished the soldering work, get four jumper wires and connect the LCD module to your Arduino as per the instruction given below. 위 이미지에서 아래 모듈이 가장 기본적인 1602 디스플레이고, 위의 모듈은 i2c 모듈이 부착된 버전입니다. WH1602B3 is having I2C interface. As the name suggests, a 16x2 LCD will have 16 Columns and 2 Rows. You can get help from other threads in the forum that discuss the same subject. com/video60 Mar 28, 2024 · A Brief note of 16X2 LCD. I just want to show "Writing:" in the first row, and the variable nombrearchivo in the second row. You switched accounts on another tab or window. LCD 16x2 with PIC18F4550 ( 8-bit mode, 4-bit mode, Custom character) LCD 16x2 with ATmega16 ( 8-bit mode, 4-bit mode, Custom character) LCD 16x2 with 8051 ( 8-bit mode, 4-bit mode, Custom character) LCD 16x2 with Arduino; LCD 16x2 with TI Launchpad Jun 21, 2024 · Flashing STM32F103C8 Board using USB Port – STM32 Bootloader; 16×2 LCD display: Interfacing LCD displays with STM32F103C8T6 blue pill is a commonly use in embedded systems. With Buttons. B=1: ON blink cursor; 0: OFF blink cursor. You signed in with another tab or window. The IR can only be written from the MPU. No installation required! Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. LCD Module Pinout: This is the pinout for a typical LCD 16×2 display unit. We connect the display with STM32 by using only 4 wires (Vcc, Ground, SDA and SCL) through PCF8574 module. Various user interfaces are supported by the X-CUBE-DISPLAY Expansion Package such as LCD Set the LCD to to automatically shift the display right after printing a character: LCD_clearDisplay: Clear the contents being displayed by the LCD (this takes ~2 milliseconds to execute, during when any instructions/data sent to the display will cause it to malfunction) LCD_disableDisplay: Hide the contents of the display without deleting it May 6, 2024 · This tutorial will guide you through displaying text on a 16x2 LCD using the STM32 Black Pill development board and STM Cube IDE, without the need for an I2C module. There are a lot of combinations available like, 8×1, 8×2, 10×2, 16×1, etc. Also for: Rb-lcd-16x2. vn/wp-content/uploads/2020/12/KIT-STM32-STA Dec 30, 2024 · The STM32 Blue Pill (STM32F103C8T6) can interface with a 16x2 LCD module using the I2C protocol (recommended) or direct GPIO connections. com: GeeekPi 2-Pack I2C 1602 LCD Display Module 16X2 Character Serial Yellow Backlight LCD Module for Raspberry Pi Arduino STM32 DIY Maker Project Nanopi BPI Tinker Board Electrical IoT Internet of Things : Electronics The project includes a custom LCD library adapted from an Arduino library to work with STM32 HAL drivers, allowing for easy control of the LCD display. So in total, we will be able to display 32 characters on this display and these characters can be alphabets or numbers or even symbols. But as a refresher, let us quickly have a brief intro of the same. 40μs Cursor or Display shift 0 0 0 001 S / C R / L xx Move the cursor and shift the display without changing DD RAM For Standard LCD 16x2. GND of the LCD to the GND of the STM32. CR2020-MI4355 www. You’ll learn how to use our STM32 I2C LCD Library and create some example projects to practice what we’ll be learning in this tutorial. D=1: ON display; 0:OFF display. Help me please! Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. We’ll be using HAL (Hardware Abstraction Layer) programming for this purpose. Circuit Diagram and Connection. (9600,8,N,1). The pin layout configuration for the Display ON/OFF control 0 0 0 000 1DCB Set ON/OFF all display(D),cursor ON/OFF(C), and blink of cursor position character(B). psd Author: Raoul Created Date: 9/9/2011 2:40:33 PM The LCD display Module is built in a LSI controller, the controller has two 8-bit registers, an instruction register (IR) and a data register (DR). Oct 12, 2016 · ''Interfacing an HD44780 2-line LCD display. Model serials no. - cherifon/STM32_16x2_LCD This project demonstrates how to interface an STM32L4 microcontroller with a character LCD using I2C communication. In this example 4-bit mode with ‘RW’ pin connected to ground is used. lcdwiki. I am working stm32f407vgt6 with LCD 16x2. Press here. Vertical Format: 2 lines 5. May 1, 2024 · The 16×2 LCD Display features a 16-pin header interface and assumes it has the standard Hitachi LCD driver, HD44780 controller. 2. Viewed 6k times 1 . This project provides a simple library for controlling a 16x2 LCD display using an STM32 microcontroller with the STM32 HAL libraries. We have already used the 16X2 LCD display with many different Microcontrollers like 8051, ATmega, Arduino, LPC2148 (ARM7). Interestingly, we'll accomplish this without relying on an I2C module, but by harnessing the potential of HAL (Hardware Abstraction Layer) programming. No installation required! Amazon. I have an example of using an ILI9341 SPI display here. Press hereFor Standard LCD 16x2 with I2C adapter board soldered. Oct 13, 2021 · STM32 Nucleo for beginnersCode and diagram are at https://www. The product is a 7. So you need to write a driver which manipulates data pins on PCF8574T in way described in tutorial you found. This library debugged and tested on Nucleo F303RE and STM32F4 Discovery Boards. Horizontal Format: 16 characters 3. LCD Module Pinout: This is the pinout for a typical 16×2 LCD Display unit. The model no. Basically we are going to use the parallel connection between STM32, and the LCD itself. We’ll see how it works internally and how to interface it with the STM32. To cut down on the number of pins needed a GPIO extender can be used and because this approach is quite a lot easier a lot of the LCD modules come with an I²C GPIO extender already attached. No installation required! Jun 9, 2023 · Use if possible a transflexive LCD display, so you can see something even if backlight is off. jerry7714 Oct 21, 2014 · How to display float value on LCD 16x2. View and Download Joy-it LCD Display 16x2 manual online. HD44780 16x2 Lcd library for stm32 using stm32-hal library's. For Standard LCD 16x2 with Blue Background. For Standard LCD 16x2 with Male Header. To establish a good communication between human world and machine world, display units play an important role. Below are steps for both methods. Micro-controllers, wireless transmission and database LCD 1602 I2C Display with Blue Pill using These can of course be "driven" by an STM32 by interfacing these pins directly, but at a minimum that would tie up 8 GPIO pins for one display. Ask Question Asked 10 years, 2 months ago. Lập trình STM32 điều khiển LCD1602 chế độ 8bit Khới tạo LCD1602 chế độ 8bit trên CubeMX Mar 17, 2020 · Pada postingan kali ini kita akan belajar cara menyambung (interfacing) antara LCD 16×2 dengan Mikrokontroler STM32. Reload to refresh your session. Other Hardware. Let’s start to build a program to 16×2 LCD with the STM32 Blue Pill. It is made using the Page 1 7/23/22, 9:42 PM Grove - 16x2 LCD - Seeed Wiki Grove - 16x2 LCD Grove - 16 x 2 LCD is a perfect I2C LCD display for Arduino and Raspberry Pi with high contrast and easy deployment. Interfacing 16x2 Character LCD with the STM32 Nucleo board Note: These Library functions are developed for the Nucleo Board based on the STM32F446RE microcontroller Instructions: To use LCD libraries in your project, copy the LCD16x2 file into your project and add the file to the include paths Add #include "LCD. Library is developed and tested with Stm32F411-discovery and the given example. A typical 16X2 Alphanumeric Character LCD Display may be seen in the image below. This is a comprehensive guide for STM32 I2C LCD Interfacing (I2C LCD 16×2, 20×4, and Multiple I2C LCDs). I only need 2 decimal plac Aug 12, 2020 · Working of 16x2 LCD Display. Now i want to display some data using the code below. Display Type pÉN fCharacter Type, H fGraphic Type 4. You can have a look at the code here. Place . net Displaying Text SC1602LC will display characters it received from its RS232 port. This function prints a single character and the argument of this function should be the ascii character that you want to print on the display, for eg- lcd_send_data (‘A’) or lcd_send_data (0x41) or lcd_send_data (65), all will print the character A on the LCD. The X-CUBE-DISPLAY Expansion Package enables display and user interface features on top of STM32 Nucleo-64 and Nucleo-144 boards . to understand how the LCD itself works - this is independent of the STM32; Apr 14, 2019 · GeeekPi 2Pack I2C 1602 LCD Display Module 16X2 Character Serial Yellow Backlight LCD Module for Raspberry Pi Arduino STM32 DIY Maker Project Nanopi BPI Tinker board Electrical IoT Internet of Things : Amazon. c in Src folder of your STM32 project. Navigate with up/down buttons and enter submenu with select. No installation required! piggy-back board pins are straight and fit in the LCD module, then solder in the first pin while keeping the I2C-to-LCD piggy-back board in the same plane with the LCD module. Mar 30, 2017 · I have configured my board using STM Cube, including LCD pins. Amazon. The display Mastering STM32 Black Pill and STM Cube IDE: a Step-by-Step Guide to Display 'Chitkara University' on 16x2 LCD: As an embedded systems enthusiast, I have always been fascinated by the capabilities of the STM32 Black Pill and the STM Cube IDE. h in Inc folder, . Connect pin 4 (RS) of LCD to PB11 of STM32 Connect pin 6 (EN) of LCD to PB10 of STM32 Connect pin 11 (DB4) of LCD to PA4 of STM32 Connect pin 12 (DB5) of LCD to PA3 of STM32 Connect pin 13 (DB6) of LCD to PA2 of STM32 Connect pin 14 (DB7) of LCD Amazon. Interafce LCD1602 via I2C; Interface LCD1602 In this tutorial, we will learn how to display "Chitkara University" on a 16x2 LCD using the STM32 Black Pill and STM Cube IDE, without using an I2C module, but instead using HAL (Hardware Abstraction Layer) programming. To know more about LCD 16x2 using Arduino refer to this link . I don't know write code how to it run. It supports both 4-bit and 8-bit parallel modes, allowing for easy interaction with the LCD to display text and numeric values. #define DATA_PIN2 GPIO_PIN_2. A diferença para este vídeo é que temos uma verdadeira bibliotec Nov 29, 2021 · 가장 대표적인 디스플레이인 1602 lcd는 크게 2가지 종류로 시중에서 판매됩니다. Below is the Pinout and Pin Description of 16x2 LCD Module: 4-bit and 8-bit Mode of LCD: The LCD can work in two different modes, namely the 4-bit mode and the 8-bit mode. Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. Initialize once with lcd_init(). BrandpÉVishay Intertechnology, Inc. We will display some character, string and integer to the LCD display. 2 / 24. com: waveshare AiP31068 LCD1602 I2C Module,16x2 Characters Display, White Color with Blue Background, Compatible with Arduino/Raspberry Pi/Raspberry Pi Pico/Jetson Nano/ ESP32, 3. Using a 16x2 LCD with an ARM Cortex-M3 STM32F103C8T6 Blue Pill board and programmed the Arduino IDE. En este video aprenderemos como utilizar la pantalla LCD 1602 en modo de interface de 4 Bits con microcontroladores STM32, como siempre mediante el uso de l Interfacing STM32 with I2C LCD (The Project) In this section of the tutorial, we will build a real world project by using LCD I2C display. com: GeeekPi IIC I2C TWI Serial LCD 2004 20x4 Display Module with I2C Interface Adapter Blue Backlight for Raspberry Pi Arduino STM32 DIY Maker Project BPI Tinker Board Electrical IoT Internet of Things : Electronics 7. Open lcd_config. In this article, I will provide a step-by-step guide on how to display 'Chitkara University' on a 16x2 LCD using the S… Very simple menu example using a 16x2 LCD keypad menu. Use lcd_write(const char *txt, uint8_t line Mar 23, 2023 · Assuming it has the standard Hitachi LCD driver HD44780 controller. Everything is in green, so i supose it's good. The circuit diagram to interface 16*2 Dot matrix LCD with STM32F103C8T6 STM32 Blue Pill board is shown below. 3V/5V : Electronics. : M 6. Select port and pins which is suitable for your device. The term 16X2 means that it has 16 columns and 2 rows. All of this works using serial, so my only problem is the LCD. Apr 11, 2019 · Amazon. com. Pins’ Functions Description: May 20, 2021 · GeeekPi 2-Pack I2C 1602 LCD Display Module 16X2 Character Serial Blue Backlight LCD Module for Raspberry Pi Arduino STM32 DIY Maker Project Nanopi BPI Tinker board Electrical IoT Internet of Things Try again! Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. How to Interface LCD 16x2 display (8bit mode #443 Interfacing 16x2 LCD with STM32F103C8T6. But the most used one is the 16*2 LCD, hence we are using it here. com . RGB LCD display 16x2 arduino/STM32. PCF8574 is a port extender, which is used to connect multiple devices in the output while the input has only 2 pins, SCL and SDA. 0inch MCU Display Module User Manual. h" in your program to use the Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. Displays. uk: Computers & Accessories Saved searches Use saved searches to filter your results more quickly Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. Oct 22, 2015 · Posted on October 22, 2015 at 17:56 Hi everyone. Purchase the Products shown in this video from :: https://controllerstech. In this tutorial, we are going to use the 4 bit MODE to connect LCD 16x2 with our Stm32 microcontroller. In this tutorial, you’ll learn how to interface STM32 with LCD 16×2 display and integrate the STM32 LCD library into your project. Prerequisites: STM32 Black Pill board; 16x2 LCD module; Jumper wires; STM Cube IDE installed on your computer Winstar WH1602B is one of the most popular character LCD display module 16x2 types in the market. You need a display and they come in two general protocols: SPI and I2C. Notes. Press hereFor Standard LCD 16x2 with Female Header. beqn nodeoxc qrwutqzj ilkq gkttu nmz fhoxil gnb drsxv igqr