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Bareboard beacon for experimenters or putting into larger products. It's intended to be used within electronic projects but can also be used standalone as an iBeacon after it has been configured. It's configured via a UART connection. You can do this from a desktop by using a USB to TTL RS232 serial adapter as used with Arduino.

Consumes 400uA in sleep mode and 8.5mA when active. Operates on 2 to 3.7v. 

There are many cheap fake HM-10 in circulation that have a fake TI CC2541 chip and incompatible firmware doesn't respond to all the documented UART commands. This is the genuine Jnhuamao product as demonstrated in one of the images above.

Comes with instructions for how to access the technical information that includes a user guide, Android app and iOS sample code.

Unusually for an bare board it has FCC, CE and RoHS approvals

No case, no battery, needs soldered 3v power supply.

Transmission iBeacon
Battery size n/a
Number of batteries n/a
Battery included n/a - Needs soldered power connection
Size 27mm x 13mm x 2.2mm
Includes sticker no
Password to configure no
Buzzer no
Temperature sensor no
Humidity sensor no
Accelerometer sensor no
Motion triggered broadcast no
Operation modes normal,connected
Button press no
On off switch no
Chip CC2541
Transmit distance 100m
Android SDK no
iOS SDK no
Android config app no
iOS config app no


  • Brand: Jnhuamao
  • Product Code: HM-10
  • Stock: 33
  • £13.62

  • Ex vat: £11.35

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Tags: HM-10, ibeacon