1-10Piece HC-05 30ft Serial RS232 TTL Wireless Bluetooth RF Transceiver Module
ab 4,75 €
1/2/5/10PCS 30ft Wireless Bluetooth RF Transceiver Module serial RS232 TTL HC-05 for arduino. 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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