PeterR, I need to read four to six external sensors that communicate using a two-wire protocol (somewhat similar to SPI). The sensort provide 32 clock pulses on the "Clock" line, and the data is read on the falling edge. The refresh rate is about 20-100 Hz per sensor (20Hz when they are idle, 100Hz ...

Hello,
I can't find any info on whether or not ESP32-WROOM-32E has Schmitt triggers on GPIO inputs and what (if any) the hysteresis is.
Any info would be appreciated.
Thank you
Yuriy