User's Manual

Table Of Contents
3
1.5 Pins Introduction
Table 2 Module pin interface
Pin
Network Name
Type
Description
1
NC
NC
2
NC
NC
3
NC
NC
4
NC
NC
5
NC
NC
6
NC
NC
7
NC
NC
8
GND
Ground
GND
9
NC
NC
10
3V3
P
External power supply pin: 3.3V@ 200mA
11
NC
NC
12
NC
NC
13
NC
NC
14
NC
NC
15
NC
NC
16
GPIO0
I/O
ES0 pin, pull down 1 second, serial 0 into AT command mode;
Pull down 8 seconds, restore factory default parameter settings
17
NC
NC
18
NC
NC
19
NC
NC
20
NC
NC
21
NC
NC
22
NC
NC
23
NC
NC
24
NC
NC
25
NC
NC
26
NC
NC
27
NC
NC
28
NC
NC
29
NC
NC
30
NC
NC
31
NC
NC