nounours18200

OK, thank you very much !

Hello, I have installed Teensyduino on Arduino IDE 1.8.19 (it is the 1st time I use a Teensy 4.0, but certainly not the last one because of my future projects that requires speed). Contrarily to what happens with the regular Arduino boards, I...

Success ! With: -5V P.S., -the pot adjustment (I have not changed its position since my msg #45), -the library provided by Bricomp at line #19, -SDA&SCL connected to wire2, -the 4k7 pull-up resistors connected to 3V3...

Thank you Paul, I apologize for my poor understanding... I have located the pot on the backboard, and do the tests you suggest. Starting with the LCD powered with 5V and SDA-SCL not connected, the LCD did not show anything (like previously), but...