Skip to content
Enes Cavus
All work
PCB03 / 15

nRF52 BLE Emergency Button

Two-layer nRF board that pairs with a phone and sends your location to preset contacts on a single press.

1Features

  • Single-press location dispatch to preset contacts
  • Bluetooth Low Energy pairing with a phone
  • Compact two-layer board
  • Matching enclosure designed alongside the PCB

2Specifications

Layer count
2
Wireless link
Bluetooth LE
Scope
PCB + enclosure
Design tools
Altium, SolidWorks

3Figure 1 — Board

nRF52 BLE Emergency Button

4On the bench

Assembled emergency button board
The board with its enclosure

5Description

A compact two-layer board built around the nRF module, pairing with a phone over Bluetooth. One press triggers a location message to pre-set contacts.

The scope covered both the electronics and the enclosure design.

6Design tools

Altium DesignerSolidWorks