Chengdu Ebyte Electronic Technology Co., Ltd.
E103-W03 _User Manual _EN_V1.1
Copyright ©2012–2022, Chengdu Ebyte Electronic Technology Co., Ltd
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6
14
GPIO31
IO
Common IO port
15
GPIO0
IO
Common IO port
18
GPIO30
IO
Common IO port
19
GPIO1
O
UART serial port output pin, support AT command
20
GPIO2
I
UART serial port input pin, support AT command
21
GPIO3
IO
Common IO port
22
GPIO4
IO
Common IO port
23
GPIO5
IO
Common IO port
24
GPIO6
IO
Common IO port
25
GPIO7
IO
Common IO port
26
GPIO8
O
Abnormal indicator light INDICATE, abnormal output low, normal
output high.
27
GPIO9
O
Wifi connection status indicator, connected output is low, not connected
output is high.
30
GPIO10
O
Network connection status indicator, the connected output is low, and the
unconnected output is high
31
GPIO11
O
Smartconfig status indicator, low when entering the state, high when not
entering the state
32
GPIO12
I
Restore factory settings pin, active low. Keep low level for 3 seconds or
more when power on. No need to reboot again.
33
GPIO13
I
WAKEUP wakeup pin
34
GPIO14
IO
Common IO port
35
GPIO15
IO
Common IO port
36
GPIO16
IO
Common IO port
37
GPIO17
IO
Common IO port
38
GPIO22
IO
Common IO port
39
GPIO28
IO
Common IO port
40
TDI
I
JTAG emulation pin
41
TDO
O
JTAG emulation pin
42
TCK
I
JTAG emulation pin
43
TMS
IO
JTAG emulation pin