HM-10 Bluetooth Low Energy Module


This BLE 4.0 module can be used to communicate with desktop computers, smartphones, table computers and even other embedded systems. The HM-10 bluetooth chip is a highly customizable bluetooth chip with AT commands. You can also modify the role between master or slave mode as well as change the baud rate. 

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The onboard LED will flash slowly when the module is not connected and paired with a remote device, at this time you can use the AT commands to change the configuration.

Note: HM-10 can only recognize AT commands which are all uppercase or lowercase.


  • Operating Voltage: 3.3 to 6V
  • Logic Voltage: 3.3V
  • Supply Current: 50mA
  • Protocol: UART
  • Operating Frequency: 2.4GHz unlicensed ISM band
  • Modulation: GFSK (Gaussian Frequency Shift Keying)
  • Default Baud Rate: 9600 8n1


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