USER MANUAL
Page 4/ 16
页
HLK-B10
2. Pin Definition
Pin
Symbol
IO type
Function
1
RST
AO
Module reset input pin
，
Low level efficiency
2
P07
I/O
GPIO7
3
P31
I/O
ADC/CH1
4
P10
I/O
PWM[0](20mA)
5
P11
I/O
Keystroke input pin
，
Low level efficiency
6
P12
I/O
PWM[2]
7
P13
I/O
PWM[3]
8
3.3V
P
Module power supply 3.3V
9
P32
ADC
Ch2
10
P34
ADC
Ch4
11
P30
ADC
Ch0
12
P33
ADC
Ch3
13
P14
I/O
PWM[4]
14
P15
I/O
PWM[5]
