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3
There are 4 input/output pins, 1 I2C pin for you to do the project! You can insert different
input like light and sound sensors. For output, you can use LED, buzzer, servo and so on.
Detailed pinout table:
Module
Pin
Remarks
General
3V/5V
GND
I/O
P0
P1
P2
P12
Write only
Servo
D5
D6
D7
D8
WIFI
P16 (RX)
P8 (TX)
I2C
P19 (SCK)
P20 (SDA)
D5
D6
D7
I2C
P12
P2
P1
P0
D8