Dear all, whether sending I2S data synchronously (using i2s_channel_enable, i2s_channel_write, i2s_channel_disable) or asynchronously (using i2s_channel_preload_data, i2s_channel_enable, on_sent ISR callback, i2s_channel_disable), it seems that in both cases my I2S transmissions are cut short. I sus...

I understand that in harsh environments pullup resistors smaller than 2k2 are considered useless?

KR, Sebastian

Hard to give comments without the schematics. Anyway: I2C is notorious for long distance issues. Have you thought about using CAN instead?

KR, Sebastian

Hi @zapp123 Do you have a second DEV board that is as of now still not soldered onto your PCB? If yes, does it exhibit the same problems? Note that GPIO2 and GPIO5 are part of the ESP32 "GPIO-STRAPPING" mechanism. Due to this, and due to the "GPIO-STRAPPING" effects on the ESP32 boot, on the regular...

Has anyone ever encountered this problem? If yes and solved the problem please help me. Try I2S_CHANNEL_FMT_ONLY_RIGHT to receive the data from the "left" INMP441 channel (i.e. the data that the INMP441 provides in the first half of the sampling period when WS is LOW and the L/R pin is tied to GND)...