Upon further troubleshooting, my ESP32 is communicating initially with the master with a 100 KHz clock speed. However, that master appears to increase clock speed to 1 MHz after the initial messages are exchanged and the ESP32 no longer ACKs or registers these messages.

Hi all, I am working on a device and was hoping to use an ESP32. I did some initial testing today with an old ESP32 I had laying around and wasn't able to get a successful proof of concept working. The Master I need my device to communicate with utilizes Fast Mode Plus (1 MHz) for its clock. The Mas...