User's Manual

14www.ibroadlink.com
6.2 PIN Definitions
PIN Assignment
PIN
PIN NAME
NOTE
Pin1
GND
Pin2
VCC
3.3V
Pin3
RST_N
Module software reset,Available
at low level
Pin4
UART_TX
UART Only
for Passthrough
Pin5
UART_RX
Pin6
GPIO3
Pin7
GPIO4
Feed watchdog
Pin8
GPIO4
Feed watchdog
Pin9
GPIO3
Pin10
GPIO2
Pin11
GPIO1
Module software reset, Available
at High level
Pin12
GPIO0
Usually use as Wi-Fi LED
Pin13
VCC
3.3V
Pin14
GND
Type: