User's Manual

ESP-32S User Manual
Shenzhen Ai-Thinker Technology Co., Ltd http://www.ai-thinker.com
3.5 Peripherals and Sensors
3.5.1 Peripherals and Sensors Description
Table 6: Peripherals and Sensors Description
Interface
Signal
Pin
Function
ADC1_CH0
SENSOR_VP
ADC1_CH3
SENSOR_VN
ADC1_CH4
IO32
ADC1_CH5
IO33
ADC1_CH6
IO34
ADC1_CH7
IO35
ADC2_CH0
IO4
ADC
ADC2_CH1
IO0
Two 12-bit SAR ADCs
ADC2_CH2
IO2
ADC2_CH3
IO15
ADC2_CH4
IO13
ADC2_CH5
IO12
ADC2_CH6
IO14
ADC2_CH7
IO27
ADC2_CH8
IO25
ADC2_CH9
IO26
Ultra Low Noise
SENSOR_VP
IO36
Provides about 60dB gain by using larger
Analog Pre-Amplifier
SENSOR_VN
IO39
capacitors on PCB
DAC
DAC_1
IO25
Two 8-bit DACs
DAC_2
IO26
TOUCH0
IO4
TOUCH1
IO0
TOUCH2
IO2
TOUCH3
IO15
Touch Sensor
TOUCH4
IO13
Capacitive touch sensors
TOUCH5
IO12
TOUCH6
IO14
TOUCH7
IO27
TOUCH8
IO33
TOUCH9
IO32