Dec 7, 2024 · I don’t know what’s going on but my lcd doesn’t show text but only rectangular boxes. I can change this and make it disappear. #include <LiquidCrystal.h> // LCD Library …

Jan 22, 2014 · The problem is that lcd.clear () is very slow, and if inadvertently called repeatedly in loop () causes flicker which prevents proper display of the wanted information as it has no …

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

Aug 25, 2020 · Even without code, that should produce a line of "blocks" on the display. cherk August 26, 2020, 12:32am 4 case112: Hi! I'm relatively new to working with displays on …

Dec 29, 2013 · (3) Connect the LCD R/W pin (pin 5) to GND. (4) Connect the six control and data wires between your LCD module and your Arduino. (5) Upload your sketch and it should work. …

Sep 8, 2021 · I have an LCD display (16x2) in SPI mode and I would like to know how to connect the display pins on my arduino Nano, also, how to configure them with the U8Glib library. Réf …

Oct 20, 2020 · Hello, on my previous projects i have used 1602 lcd, 0.96" oled But for my next project (a greenhouse) i want to use a bigger screen as a dashboard screen to display several …

Feb 18, 2025 · Look at the data sheet for your LCD (best) If it really is a hd44780 interface, hook wire it up as a hd44780 display, use a hd44780 library and start writing to it to figure it out. You …

Aug 16, 2014 · I'm having a problem with my LCD display. It's 16x2, i've written some code to print out text but the only thing that appears is the top row filled with boxes and the bottom row …

Apr 11, 2016 · Hello everybody I connected an LCD screen to my arduino and i search on how to switch it on on demand only to save power. I can switch off the luminosity with a button, but if i …