
How to fix all LCD problems - read this! - Arduino Forum
Apr 20, 2012 · Many times people ask questions about how to fix their LCDs that don't display or displays wrong/random stuff. The following information, when supplied with your thread, will get your …
Adjusting the light intensity with lcd.backlight () function
Dec 19, 2024 · Continuing the discussion from LCD backlight control: Hi, could we adjust the light intensity with lcd.backlight() function ? Can I use lcd.backlight(50) to reduce the light intensity to 50% …
How to manage backlight on 2004 I2C LCD - Arduino Forum
Oct 4, 2024 · Hello, a question about LCD 2004 (or 1602) with I2C interface: how to turn on / off backlight (not with jumper) and trim by software (not with hardware trim)? Also how to turn on / off …
How to control lcd backlight - Displays - Arduino Forum
Nov 28, 2020 · How to wire LCD 16x2 to Arduino Uno Learn how to wire the LCD 16x2 to Arduino Uno in a few simple steps. The primary components for this circuit are: Arduino Uno - R3 and LCD 16x2. …
I2C LCD doesn't display text [SOLVED] - Arduino Forum
Jul 4, 2019 · Other HardwareDisplays RautaVlad July 4, 2019, 9:38am 1 Hi, can you please help me with my problem? I have an I2C LCD display connected to a CH341 (UNO board) and i can't display …
LCD 2004 (20x4) I2C Library - Displays - Arduino Forum
Jan 25, 2022 · Noobie here experimenting with an i2c lcd 2004 (20x4). I am hopeful that someone can bump me in the right direction. I was reading this thread -- IIC/I2C/TWI 2004 20X4 Character LCD …
Print degree symbol ° on LCD - Interfacing - Arduino Forum
Jan 30, 2009 · Was wondering how I can correctly print the Celsius degree symbol ° with LiquidCrystalLCD I tried with lcd.print( "°C"); but I read a non-sense char. Thanks in advance
Printing Symbols to LCD screen - Displays - Arduino Forum
Mar 15, 2024 · Hello I am looking for some help with a college LAB we have to print 3 symbols onto the LCD screen using ascii numbers so for example i got that 91 is the number for the micro (u) symbol …
Button press to change LCD screen - Arduino Forum
Dec 28, 2014 · Hi, I need help with the programming of my latest project. So I have a 16 x 2 LCD display and I had it displaying Something. So every time a button is pressed, I want the screen to change its …
ESP32-S3-Touch-LCD-7 - Displays - Arduino Forum
May 12, 2025 · Hello, I am evaluating the 7" display with ESP32-S3 : project based on the demo of the TWAI (CAN) protocole: all good, I can get the data via Serial.print project based on tutorials to create …