MAG BEE HC-05 Wireless Bluetooth RF Transceiver Module for Aruino/NodeMCU Pack of 2 Electronic Components Electronic Hobby Kit

The HC-05 bluetooth module can be set as a transmitter or receiver. It can easily transfer the data through the wireless, without complex PCB layout or deep knowledge in the Bluetooth software stack. You can combine this bluetooth module with your system: MCU, ARM or DSP systems, SOC systems, Personal Digital Assistants (PDAs), Computer Accessories or other systems your want to use under bluetooth functions. The HC-05 bluetooth module can build a connection to other modules in two ways: as a master or as a slave. For example, a robot can be designed to be a master connected to a slave bluetooth module or as a slave board to make a wireless connection with a PC.