A small, low-cost USB Dongle designed with nRF52840
nRF52840 MDK USB Dongle is a small and low-cost development platform enabled by the nRF52840 multiprotocol SoC in a convenient USB Dongle form factor.
The design features a programmable user button, RGB LED, up to 12 GPIOs and 2.4G Chip antenna on board. It can be used as a low-cost Bluetooth5/Thread/802.15.4/ANT/2.4GHz multiprotocol node or development board. Alternatively the USB Dongle can be used as a Network Co-Processor(NCP) with a simple connection to a PC or other USB enabled device.
It's shipped with the UF2 Bootloader, supports nRF Connect SDK, which integrates the Zephyr RTOS, protocol stacks, samples, hardware drivers and much more. The dongle can work as a Bluetooth Low Energy and IEEE 802.15.4 packet sniffer with Wireshark, and has PCBA and w/Case options to meet various scenarios.
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Nordic Semiconductor nRF52840 SoC
- 64 MHz Arm® Cortex-M4 with FPU
- 1 MB Flash + 256 KB RAM
- Bluetooth LE, Bluetooth mesh, Thread, Zigbee, 802.15.4, ANT and 2.4 GHz proprietary
- Arm TrustZone® Cryptocell 310 Security Subsystem
- 2.4 GHz Transceiver with +8 dBm TX Power
- GPIO, UART, SPI, TWI(I2C), PDM, I2S, QSPI, PWM, QDEC, 12-bit ADC support
- Integrated USB 2.0 Full-speed Controller
- Integrated NFC-A Tag
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Arm Serial Wire Debug (SWD) port via edge pins
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Up to 12 GPIOs available via edge pins
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User programmable Button and RGB LED
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On-board 2.4G chip antenna
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3.3V regulator with 1A peak current output
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VBUS & VIN Power-Path Management
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Convenient USB dongle form factor
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Breadboard-friendly with dual 10-Pin headers
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Measures 1.65" x 0.7" x 0.15" (42mm x 17.78mm x 3.75mm) without headers soldered in
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w/Case option available to provide protection and ease of use
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Shipped with UF2 Bootloader supporting Drag-and-drop programming over USB drive
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Built on open source, supporting nRF Connect SDK, Zephyr RTOS, Google's OpenSK, etc.
The following figure illustrates the nRF52840 MDK USB Dongle hardware diagram.
nRF52840 MDK USB Dongle PCBA is a single sided 42mm x 17.78mm (1.65" x 0.7") 2.0mm thick PCB with a USB-A port and dual castellated/through-hole pins. nRF52840 MDK USB Dongle w/Case includes a high-quality plastic case in 50.8mm x 21.1mm (2.0" x 0.83") 7.6mm thick.
We offer an extensive set of documentation such as getting started guides and developer guides, which can help you save big by reducing development effort.
- nRF52840 MDK USB Dongle Wiki
- nRF52840 MDK USB Dongle Product Brief
- nRF52840 MDK USB Dongle Quick Start Guide
- How to program the nRF52840 MDK USB Dongle
- Develop with nRF Connect SDK & Zephyr RTOS
- nRF Sniffer for Bluetooth LE
- nRF Sniffer for 802.15.4
- OpenSK FIDO2 Authenticator Guide
| Official Store | Buy Now |
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| Approved Distributor | Buy Now |
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Community support is provided via GitHub Discussions. We would love to have more developers contribute to this project! If you're passionate about making this project better, see our Contributing Guidelines for more information.
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