Hi @dmshimself

0_1669073655771_M5AtomEchoPinout_20221122.png

available pins are:

G21, G25 - on the right - first and second pin from the top G26, G32 - at the bottom - third and fourth pin from the left

Please note: non of the above pins can drive 5 V; they are (as are all ESP32 GPIO pins) 3.3 V only.

Thanks
Felix