
arduino.cc
https://forum.arduino.cc/t/arduino-uno-r4-tutorial…
Arduino Uno R4 Tutorials
As you may know, Arduino Uno R4 is great, but NOT fully compatible with Arduino Uno R3. Therefore, I created a series of Arduino Uno R4 tutorials for beginners I tested Arduino R4 WiFi with components such as keypad, OLED, LCD I2C, various sensors.... If a library works with Uno R3, but not for R4, I find other one. For example, Arduino UNO R4 - Keypad 3x4 We also improve some mistakes that ...