HiLetgo 2pcs CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Module Compatible HM-10
- Support AT command, users can change the serial port baud rate, device name, pairing password and other parameters as needed, use flexible..
- It adopts CC2541 chip of American TI Company, configures 256Kb space, and follows V4.0 BLE Bluetooth specification..
- Input voltage: 3.3V/5V only needs a set of power supply..
- This module supports UART interface and supports SPP Bluetooth serial port protocol..