April USB Dongle 52840

Description

• April USB Dongle 52840

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

  

  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

  • Hardware Files
  • Bootloader – search bootloader for pca10059