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• I had the same problem. In my case I was using display and touch panel and was sending an i2c command to another ESP32. It would fail. The problem was not with the boards or MCUs. THE CULPRIT WAS THE ARDUINO IDE 2.2.xx After trying different librar…

  in 7 inch display esp32 with i2c port & Arduino IDE Comment by geodaddyed October 15
• I Cant use I2C to talk to other I2C devices when touch is active. I am using the 7imch HMI to drive the Gui. I have one button on the screen that when released should send a wire.write a nother ESP32 s32 and trigger one of the GPIOs to high. I have…

  in ESP32 7 inch display - how to connect sensor using i2c pin and also use touch with it Comment by geodaddyed September 26