The HC-05 Bluetooth module is used for wireless communication between devices via Bluetooth. It is versatile and commonly integrated into Arduino and other embedded systems for projects that require short-range data transfer.
The HC-05 module uses a UART (Universal Asynchronous Receiver/Transmitter) interface, allowing it to easily communicate with microcontrollers and other serial devices.
Yes, the HC-05 supports both Master and Slave modes, meaning it can either initiate a Bluetooth connection (Master) or respond to one (Slave), offering flexibility for various project setups.
You can switch between modes by entering the AT command mode and sending the appropriate AT commands to configure the module for either Master or Slave mode.
Yes, the HC-05 is compatible with Arduino, Raspberry Pi, and most microcontrollers that support UART communication, making it ideal for a wide range of embedded projects.
The HC-05 has an operating range of approximately 10 meters (about 33 feet) in an open environment, providing reliable wireless communication within this distance.
The HC-05 operates at a voltage range of 3.6V to 6V, making it compatible with both 3.3V and 5V logic levels, which are commonly used in embedded projects.
To pair the HC-05 with another Bluetooth device, power the module, and ensure it is in Slave mode. Then search for Bluetooth devices on the connecting device (like a smartphone or computer) and select the HC-05. The default pairing password is typically "1234" or "0000".
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