HC-10 Bluetooth 4.0 BLE Modem Module with TI CC2541 chip for Arduino etc. #2525 | eBay
Lilypad arduino microcontroller with bluetooth-mate serial modem. | Download Scientific Diagram
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HM-10 Bluetooth Module with TI CC2541, UART/Serial/TTL, Bluetooth 4.0 / BLE/BT/Bluetooth Low Energy for Arduino/Genuino- Buy Online in Egypt at Desertcart - 53302582.
Bluetooth Module HC-05 Master / Slave Mode, Pass Through, For Arduino Etc | eBay