Timer Switch Controller Module 10S-24H Steady Adjustable Delay Module 3.3-18V

DC/DC 12V to 5V/6V/9V 3A 15W Converter Step Down 3A 15W Power Supply Module

JDY-31 Bluetooth 3.0 BLE Low Power CC2541 Support Airsync iBeacon Module

Bluetooth 4.0 iBeacon Module BLE Near-Field Positioning Sensor FOR Andorid Apple

JDY-30 Low Power Bluetooth 4.0 BLE CC2541 Support Airsync iBeacon Module

HM-11 BLE Bluetooth 4.0 Transceiver CC2541 JDY-10 Low Power for Apple Android

HM-11 JDY-10 Bluetooth 4.0 BLE Serial Transmission Module comptible with CC2541

HM-10 BLE Bluetooth 4.0 CC2540 CC2541 Serial Wireless UART Transceiver Module