HC-05 master-slave integrated Bluetooth module | | HC-05 with base plate | | HC-05 BC417143 original stock

Tips: Do not connect the power supply to the signal pin, it will directly burn the module! The input voltage must not exceed 7V!

Factory direct sales, heat shrink tube anti-static is safer

Not including pin size: 17mm*39mm

Please read the description carefully, the description includes:

1. Basic knowledge and precautions of the module

2. Detailed steps for connecting the module to the computer

3. Contact customer service for related information download!

If you want to enter AT mode
Just keep pressing the button
Until the setting is completed

be careful!!! Do not connect the power supply to the signal pin as it may burn out directly!
The following situations are not considered product quality issues and are caused by wiring errors. They are not covered by warranty and cannot be returned or exchanged:
1. After successful self acceptance testing, TXD or RXD short circuits to ground may occur during use
2. Damage caused by reverse power supply to modules without power supply anti reverse connection