4.0 BLE Bluetooth Module (CC2541)

This Bluetooth 4.0 HM-10 Master-Slave Module is the most complete and convenient module that supports stable data transmission, remote control, and data acquisition. Both master and slave are included in one. With the 662K regulator chip, it works under 3.3V and 5V. You can change its name, baud rate, match password and other parameters on-demand by AT instructions. It applies on Android and iOS via the serial assistants BleSerialPort and LightBlue respectively.