I am using an EL817S optocoupler to interface a 12 V push-button signal to an ESP32 GPIO.
After pressing the button once, the ESP32 GPIO sometimes detects multiple HIGH/LOW transitions. The GPIO is configured with GPIO_INTR_ANYEDGE, so each transition can generate an event.
The signal path is...
Hi,
I'm new to microcontrollers and try learning ESP32-C3 which has RV32I core by myself. I wanna to code baremetal ESP32-C3 instead of using ESP-IDF library and face some error with GPIO interrupt part
I read the instruction in technical manual then try to do this lab to practice: mapping...