slow delivery CN-AT in 60 days. LCD I2C communication unstable, tested with Arduino UNO and NodeMCU/ESP8266. Seller does not respond questions. Not recommended.
slow delivery CN-AT in 60 days. LCD I2C communication unstable, tested with Arduino UNO and NodeMCU/ESP8266. Seller does not respond questions. Not recommended.
I was able to solve the communication problems. See the (rather simple) hack at werner.rothschopf.net slash 202009_arduino_liquid_crystal_wire_en dot htm