CC2540 HM-10 BLE Bluetooth 4.0 Serial Wireless Module CC2541 Arduino Android IOS
1PCS x HM-10 CC2540 CC2541 BLE Bluetooth 4.0 Serial Wireless Module Arduino Android IO. your iPhone/iPAD, IOS 6 or Android 4.3 above devices. This small size Bluetooth 4.0 TTL transceiver module allows your target device communicate with.