ESP32S3: When GPIO9 configured to ADC1_CH8, GPIO21 can't work
Posted: Wed Jun 07, 2023 3:58 am
On ESP32S3, IDF version is ESP-IDF v5.0-dev-75-g1561fbd2c5-dirty 2nd stage bootloader. If GPIO9 configured to ADC1_CH8, then GPIO21 configured to OUTPUT, high level, in can't output high level voltage.