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HM-16 beacon on a 70.6mm x 61mm x 19.5mm PCB controlling four 10A 240V AC/ 10A 30V DC relays. Allows you to turn things on and off remotely via an Android, iOS or anything such as a Raspberry Pi, that can connect via Bluetooth GATT. Password protected.

Comes with demo Android/iOS apps and example Android/iOS source code projects.

Requires a 6-24v 15mA power supply.

Supplied with details how to access the technical information.


4 Channel Beacon Relay Module

  • Brand: DIYMall
  • Product Code: 4 Channel Relay Module
  • Availability: 7
  • £35.40

  • Ex vat: £29.50

Tags: beacon, relay, module, pcb