ESP32 with ZMPT101B 230V AC Voltage Sensor

[Robbals]

Hi,

can someone explain to me why the Voltage sensor is ONLY working on ports 32-33-34-35-VP-VN....

I'm under the impression that the ESP32 has two Analog-to-Digital Converters (ADCs), ADC1 and ADC2, each with multiple channels for reading analog voltage levels. ADC1 has 6 channels (ADC1_CH0 to ADC1_CH7) and ADC2 has 10 channels (ADC2_CH0 to ADC2_CH9)

Thx
Rob