Paquete de 10 módulos transceptores HC-05 inalámbricos Bluetooth RF antirreversa para Arduino

10pcs HC-05 Wireless Bluetooth RF Transceiver Module. Led indicate Bluetooth connection status, fast flash indicates unpaired, slow flash indicates AT mode, double flash indicates machine connected. With VCC, GND, TXD, RXD, KEY foot for the Bluetooth.

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