April USB Dongle 52840

A small and low-cost nRF52840 USB Dongle Form Factor with external antenna

USB Dongle nRF52840

Key Features

  • nRF52840 flash-based ANT/ANT+™, Bluetooth Low Energy SoC solution
  • Button and LEDs for user interaction
  • Super Small Form Factor
  • Onboard USB bootloader with buttonless support (Adafruit nRF52 Bootloader)
  • Onboard external antenna
  • USB support

Hardware Description

The nRF52840 Dongle can be used as a development platform for the nRF52840 SoC. It features user configurable LEDs and a button. In addition to radio communication, the nRF5240 SoC can communicate with a computer through USB.

The USB dongle is very similar with Nordic's USB dongle PCA10059. But it has less pinouts and button.

Buttons And LEDs

The nRF528540 Dongle is equipped with a LED (LED1), a multicolor RGB LED (LED2), a user configurable button (SW1)

The LEDs and button are connected to dedicated I/Os on the nRF52840 SoC.

  • SW1 - P1.06
  • LED1 - P0.06
  • LED2
    • Red - P0.08
    • Green - P1.09
    • Blue - P0.12

SWD Interface

On the front side of the nRF52840 Dongle, there are connection hole for the SWD interface.

Pinouts P1 (from square soldering hole)

  • GND
  • VCC
  • SWDIO
  • SWDCLK

Firmware

The USB dongle nRF52840 is flashed with Adafruit nRF52 Bootloader and "BLE Peripheral Blink" from nRF5 SDK examples default

Downloadable Content

April USB Dongle 52832

A small and low-cost nRF52832 USB Dongle Form Factor with external antenna

USB Dongle nRF52840

Key Features

  • nRF52832 flash-based Bluetooth Low Energy SoC solution
  • Button and LED for user interaction
  • Super Small Form Factor
  • Onboard USB bootloader with buttonless support (Adafruit nRF52 Bootloader)
  • Onboard external antenna
  • USB support with chip CP2104

Hardware Description

SWD Interface

ABSniffer series

ABSniffer USB Dongle works as BLE central role. It searches for all iBeacons or BLE advertising data nearby.