HC-05 4pin Bluetooth Module(Master/Slave) with Button

The HC-05 4 Pin Wireless Serial Bluetooth Module uses the UART protocol to enable wireless communication between devices. It can function as both a Master and a Slave device, allowing it to connect to various devices such as phones, computers, keyboards, and other Bluetooth modules.

• Avoid Incorrect Wiring:: Ensure correct connections for RXD, TXD, VCC, and GND pins.,
• Do Not Exceed Operating Range:: Operational range limited to 10 meters.

• Ensure Proper Power Supply:: Connect VCC pin to a +5V supply voltage.,
• Follow Default Settings For Initial Setup:: Default Bluetooth Name: 'HC-05', Default Password: 1234 or 0000, Default Communication: Slave, Default Mode: Data Mode.

• Value: 10 meters

• Step 1: Connect RXD pin to the receive serial data of the microcontroller.,
• Step 2: Connect TXD pin to transmit serial data to the microcontroller.,
• Step 3: Power the module by connecting VCC to a +5V supply.,
• Step 4: Connect GND pin to the system ground for proper grounding.

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