JDY-08 BLE Bluetooth 4,0 Uart Transceiver Modul CC2541 Zentrale Schalt Drahtlose Modul iBeacon Passwort Qualität gute
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JDY-08 BLE Bluetooth 4,0 Uart Transceiver Modul CC2541 Zentrale Schalt Drahtlose Modul iBeacon Passwort Qualität gute