Serial Bluetooth Module (Master/Slave) sweep hand Relay Module (1 Channel –

Relay Module (1 Channel – 5V)

(9) Quite good and quick charge

Jacket Material:                                PVC

DC 6-36V NPN NO capacitive proximity sensor

Serial Bluetooth Module (Master/Slave) sweep hand Relay Module (1 Channel –This serial bluetooth module can work as either master or slave. This module also includes the base board, not only the core board, most functions are pre set, so only the serial port communication is available but its more easy to use. It can be used also with arduino or Microcontroller. Features Use CSR popular buletooth chip, bluetooth V2. 0 Protocol standard. Serial port operation voltage 3. 3V Baud rate set at 9600, but you can change it with AT