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Chengdu Ebyte Electronic Technology Co.,Ltd
2. Function brief
2.1 Pin definition
Pin No.
Pin name
1
RST
2
SW1
3
SW2
4
TX
5
RX
6
VCC
7
BAT
8
+5V
9
LED_R (PD2)
10
LED_G (PC1)
11
LED_B(PB5)
12
LED_B(PB4)
Note: Please refer to the user manual of E104-BT12 for specific function instructions
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
Pin usage
Pin direction
Input
Module reset button
Input
retain
Input
retain
output
Serial output pin
Input
Serial input pin
The jumper cap selects whether it is USB powered or
-
battery powered
-
Battery power supply pin
-
External power supply pin (not powered by USB)
output
Pwm output
output
Pwm output
output
Pwm output
output
Network indicator
E104-BT12LSP-TB User manual v1.0
Pin usage
.
5
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