Chengdu Ebyte Electronic Technology Co.,Ltd
E104-BT05-TB User manual V1.0
3
2.
Function
2.1
Dimension and function definition
NO.
Function
Description
1
Reset button
Module reset key, valid at low level
2
IO0 button
Available for I00 level reading
3
Data indication
LED
Yellow LED for data indication
4
Connection
indication LED
Yellow LED for connection indication
5
PWM1
indication LED
Blue LED for PWM1 wave indication
6
PWM2
indication LED
Blue LED for PWM2 wave indication
7
Power indicator
LED
Red LED for normal power supply indication of test board
8
VBAT power
port
External power supply 2.7-3.6V
9
Module pin out
For easy debugging, refer to manual E104-BT05
10
USB power port USB power 5V output
11
Module pin out
For easy debugging, refer to manual E104-BT05
12
Module RXD
processing
Short circuit the jumper cap, and connect the module RXD (receiving
pin) with the serial port chip TXD pin of the test board
13
Module TXD
processing
Short circuit the jumper cap, and connect the module TXD (sending
pin) with the serial port chip RXD pin of the test board
14
Module Mode
Configuration
The module is connected. Short circuit the upper two pins to enter the
configuration mode. Short circuit the lower two pins (or hang in the
air) to enter the transparent mode
15
Module wake-up
processing
After the module is disconnected and enters sleep through the
command, short circuit the upper two pins once, and the module wakes
up
16
Module power
supply mode
selection
Short circuit two pins to the left, select USB internal power supply
mode, short circuit two pins to the right, select VBAT external power
supply
