HC-05 Wireless Bluetooth RF Transceiver Modul seriell RS232 TTL für Arduino
3,72 €
Use the CSR mainstream bluetooth chip, bluetooth V2.0 protocol standards. this module can be set to a transmitter or receiver, transmitter could pairing with receiver, receiver and receiver or transmitter and transmitter can't communication between, receiver could pairing with computers and cell phone bluetooth, when buying, the default for receiver.
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