arduino uno - How do I make my LCD screen scroll text while allowing ...
Jul 29, 2020 · How do I make my LCD screen scroll text while allowing for button input? Ask Question Asked 5 years, 4 months ago Modified 5 years, 4 months ago
LCD lights up but shows no text - Arduino Stack Exchange
0 I've connected an LCD display to an Arduino Uno following the instructions from the Adafruit LCD lesson. I've used the code sample described in the Adafruit lesson. What happens after I connect the …
arduino uno - Why is my LCD 16*2 is not displaying any characters ...
Aug 5, 2014 · Recently I have linked up a typical 16*2 LCD (Liquid Crystal Display) display to my Arduino Uno and have linked all the pins up. Here is my connection: (LCD pin first)
lcd - Why does my Arduino show weird characters with my code?
Feb 20, 2024 · When I had the code run just the LCD it worked perfectly fine, but when I added an HC-SR04 without changing the text it showed weird characters. All I had the code do with the HC-SR04 …
LCD I2C connection problems - Arduino Stack Exchange
Jul 8, 2023 · Some common problems with LCD displays which incorporate an I2C backpack include: Not using the correct I2C address for the I2C backpack. Use an I2C scanner to discover the correct …
LCD display weird characters - Arduino Stack Exchange
May 13, 2018 · The first thing to try is replacing lcd.begin(16, 2) with lcd.begin(20, 4). The image of your LCD looks like a 20 char by 4 line display. Based on your comments, it seems that the SMS part of …
Controlling 16x2 LCD backlight (I2C module) - Arduino Stack Exchange
I've installed an I2C module on my 16x2 LCD so i don't have access to all those LCD pins to control the backlight LED. BUT there is a 100 ohm smd resistor in series with anode of the backlight LED, i want …
Partially clean a LCDScreen - Arduino Stack Exchange
Jun 20, 2017 · I have connected an 16x2 LCD to my Arduino. It shows my Room Temperature and Behind that variable is the string "Celcius". Everytime the temp is diffrent than shown on the screen it …
Infamous white squares for LCD display - Arduino Stack Exchange
Nov 15, 2020 · The description of the pin map does not seem to match your call legend in the lcd constructor on line. It is difficult to tell what you have wired without the right angle on the LCD …
How to show the º character in a LCD? - Arduino Stack Exchange
Nov 20, 2017 · I have a 16x2 LCD and I want to show a temperature: 23 ºC. But the º symbol is not properly shown. It shows a strange character instead of the º symbol .