ESP_Sprite wrote: ↑

Tue Jun 21, 2022 9:45 am

Those internal pull-ups are 50K or so, which is way too high for I2C. Suggest you add external pull-ups; something like 2K7 should work.

I did that but the problem still persists.

If the WireScan example https://github.com/espressif/arduino-esp32/tree/master/libraries/Wire/examples/WireScan doesn't show you an address, then you have an electrical problem. I don't have time to explain how I2C works, but I'll bet google does. You probably need some pullup resistors. I used an ...

Hello, I am a student and I am trying to use tca6424a with a ESP32 PICO V3. When I upload the code for the interface and the code gets executed up to the test connection command after that it is not working the code I am using is attached below. I wrote the code in vscode using platformio. #include ...