User's Manual

User Manual of HC-02 V1.1 Bluetooth Serial Port Communication Module Gathering information and Carrying Dreams
Website: http://www.hc01.com
Guangzhou Huicheng Information Technology Co., Ltd.
8
Sales hot line: 020-8408-3341
Address: Room 608, No.19, Jiangong Road, Tianhe Software Park, Tianhe District, Guangzhou City, Guangdong Province Technical customer service: 445253184
4. Development and Application
4.1 Definition of pins
Pins
Definition
I/O
Remarks
1
TXD
O
URAT output port
，
3.3V TTL level
2
RXD
I
URAT input port
，
3.3V TTL level
3
NC
Floating
NC
4
NC
Floating
NC
5
NC
Floating
NC
6
NC
Floating
NC
7
NC
Floating
NC
8
NC
Floating
NC
9
NC
Floating
NC
10
NC
Floating
NC
11
RST
I, weak pull-up
Module reset pin, a low level of not less than 100ms required
for reset
12
VCC
I
Power supply pin, DC 3.3V power supply required, power supply
current not less than 100mA
13
GND
I
Module commons