Espressif ESP32-S2 User Manual

Chapter 2. API Reference
Enumerations
enum adc1_channel_t
Values:
ADC1_CHANNEL_0 = 0
ADC1 channel 0 is GPIO1
ADC1_CHANNEL_1
ADC1 channel 1 is GPIO2
ADC1_CHANNEL_2
ADC1 channel 2 is GPIO3
ADC1_CHANNEL_3
ADC1 channel 3 is GPIO4
ADC1_CHANNEL_4
ADC1 channel 4 is GPIO5
ADC1_CHANNEL_5
ADC1 channel 5 is GPIO6
ADC1_CHANNEL_6
ADC1 channel 6 is GPIO7
ADC1_CHANNEL_7
ADC1 channel 7 is GPIO8
ADC1_CHANNEL_8
ADC1 channel 8 is GPIO9
ADC1_CHANNEL_9
ADC1 channel 9 is GPIO10
ADC1_CHANNEL_MAX
enum adc2_channel_t
Values:
ADC2_CHANNEL_0 = 0
ADC2 channel 0 is GPIO4 (ESP32), GPIO11 (ESP32-S2)
ADC2_CHANNEL_1
ADC2 channel 1 is GPIO0 (ESP32), GPIO12 (ESP32-S2)
ADC2_CHANNEL_2
ADC2 channel 2 is GPIO2 (ESP32), GPIO13 (ESP32-S2)
ADC2_CHANNEL_3
ADC2 channel 3 is GPIO15 (ESP32), GPIO14 (ESP32-S2)
ADC2_CHANNEL_4
ADC2 channel 4 is GPIO13 (ESP32), GPIO15 (ESP32-S2)
ADC2_CHANNEL_5
ADC2 channel 5 is GPIO12 (ESP32), GPIO16 (ESP32-S2)
ADC2_CHANNEL_6
ADC2 channel 6 is GPIO14 (ESP32), GPIO17 (ESP32-S2)
ADC2_CHANNEL_7
ADC2 channel 7 is GPIO27 (ESP32), GPIO18 (ESP32-S2)
ADC2_CHANNEL_8
ADC2 channel 8 is GPIO25 (ESP32), GPIO19 (ESP32-S2)
ADC2_CHANNEL_9
ADC2 channel 9 is GPIO26 (ESP32), GPIO20 (ESP32-S2)
ADC2_CHANNEL_MAX
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Release v4.4

Espressif ESP32-S2 Specifications

General

Brand	Espressif
Model	ESP32-S2
Category	Single board computers
Language	English