Chengdu Ebyte Electronic Technology Co., Ltd
E32-900T20S User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
7
3 Size and pin definition
No.
Name
Direction
Features
1
NC
-
Empty Pin
2
GND
-
Ground
3
NC
-
Empty Pin
4
NC
-
Empty Pin
5
NC
-
Empty Pin
6
NC
-
Empty Pin
7
NC
-
Empty Pin
8
GND
-
Ground
11
GND
-
Ground
12
ANT
-
Antenna
13
GND
-
Ground
14
GND
-
Ground
15
GND
-
Ground
16
GND
-
Ground
19
GND
-
Ground
20
M0
Input
（
weak pull-up
）
Work with M1 to decide 4 working modes of module (not suspended, if not
used, could be grounded).
21
M1
Input
（
weak pull-up
）
Work with M0 to decide 4 working modes of module (not suspended, if not
used, could be grounded).
