User's Manual

Shenzhen hailingke Electronico.,Ltd
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Page 6 / 31 Pages
HLK-M35 PIN
HLK-M35 Pin Interface
Pin No
Signal Type Description
1
3.3V
Supply Voltage, 3.3V+/-10%
2
GND
Analogue Ground
3
RST
Module reset pin, Active low
4
RX
Uart rx pin,Input
5
TX
Uart tx pin,Output
6
WiFi_led
WiFiLed
7
ES/RST
Exit/Default/Update
8
GPIO2
General GPIO
9
GPIO1
General GPIO
10
TX
Uart tx pin,Output Connected with Pin5
11
RX
Uart rx pin,Input Connected with Pin4
12
GPIO1
General GPIO
13
GND
Analogue Ground
14
GND
Analogue Ground
15
CS
Analogue Pin(Reserved)