KNoT Dongle

Overview

The KNoT Dongle (nRF52840-PCA10059) is a low-cost board manufactured by Nordic Semiconductor and it has a user programmable RGB LED.

Dongle - nRF52840 (PCA10059)

Dongle - nRF52840 (PCA10059)

More information about the board can be found at the nRF52840 Dongle website and Zephyr nRF52840-PCA10059 website. The Nordic Semiconductor Infocenter contains the processor’s information and the datasheet.


Supported Features

The Dongle hardware provides support for the following devices:

  • ADC

  • CLOCK

  • FLASH

  • GPIO

  • I2C

  • MPU

  • NVIC

  • PWM

  • RTC

  • SPI

  • UART

  • USB

  • WDT


Connections and IOs

Dongle - nRF52840 (PCA10059)

Dongle - Connections and IOs (Credit: Nordic Semiconductor)

Warning

The reserved buttons and LEDs should not be controlled by the user.

Buttons

Part

Description

Pin

Permission

SW1

Factory Reset

P1.06

Reserved

RESET

Reset

P0.18

Reserved

LEDs

Part

Description

Color

Pin

Permission

LD1

Status

Green

P0.06

Reserved

LD2

Application

Red

P0.08

Available

Green

P1.09

Blue

P0.12

Analog Input

Name

Pin

Permission

AIN 0

P0.02

Available

AIN 5

P0.29

Available

AIN 7

P0.31

Available


Flash instructions

To flash the Dongle is necessary to enter the bootloader mode by pressing the RESET button. The red LED (LD2) should start a fade pattern when the bootloader starts running. Use nRF Connect or KNoT CLI to flash the image to your board.

Dongle - nRF52840 (PCA10059)

Reset button used to enter DFU mode.


Suggested examples

The suggested samples using peripherals are listed as following.