ESP-12K Specification V1.0
C
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4.PIN DEFINITION
The ESP-12K module has a total of 42 interfaces, such as the pin diagram, the pin
function definition table is the interface definition
ESP-12K PIN definition diagram
List PIN function definition
No.
item
Function Description
1
GND
ground
2
VCC
Power supply
3
IO0
RTC_GPIO0, GPIO0
4
IO1
RTC_GPIO1, GPIO1, TOUCH1, ADC1_CH0
5
IO2
RTC_GPIO2, GPIO2, TOUCH2, ADC1_CH1
6
IO3
RTC_GPIO3, GPIO3, TOUCH3, ADC1_CH2
7
IO4
RTC_GPIO4, GPIO4, TOUCH4, ADC1_CH3
8
IO5
RTC_GPIO5, GPIO5, TOUCH5, ADC1_CH4
9
IO6
RTC_GPIO6, GPIO6, TOUCH6, ADC1_CH5