p4ntek
p4ntek
Arduino uno r3 operates on digital pins on 5v. Standart jtag use 3.3v(some devices supports 5v - if not or not enabled you will burn device connected to arduino or...
> I am reading erratic data using Wemos D1 mini clone and only SDA/SCL. Where did you connect GND ? Can you share what changes you made to the code...
> Thank you for quick response. For Wemos default SDA, SCL pins are GPIO4 and GPIO5, just like yours, but board is ESP8266 not ESP32. When I connect GND from...