User's Manual

Chengdu Ebyte Electronic Technology Co., Ltd E104-BT05 User Manual
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd
7
3. Size and pin definition
No
Name
Direction
Function
Remark
1
RST
Input
Power reset
Low Level Effective
2
LINK
Output
Status
Connection status indicating low level validity
3
WKP
Input
Wake-up pin
Low level wake-up
4
IO2
Output
Level output
Output high and low level according to AT command
5
DATA
Output
Data indication
Data Indicator Pin
6
IO3
Output
Level output
Output high and low level according to AT command
7
GND
-
Ground
Power ground
8
SWS
/
/
/
9
PWM1
Output
PWM output
Output PWM wave according to AT command
10
PWM2
Output
PWM output
Output PWM wave according to AT command
11
PWM3
Output
PWM output
Output PWM wave according to AT command
12
DM
-
-
USB data Minus