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.
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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
4.4.3 When the power supply of the module is controlled, a hardware isolation circuit should be added for the
connection with the serial port of the single chip microcomputer (the part enclosed by the red dotted line below ) , so
as to prevent the serial port of the single chip microcomputer from being connected to the module before the module
is powered on, resulting in abnormal power-on operation of the module: