Nordic Semiconductor nRF52840 Dongle is a USB device intended for the development and testing of wireless applications. It supports multiple protocols, including Bluetooth 5.4, Bluetooth mesh, Thread, Zigbee, IEEE 802.15.4, ANT, and proprietary 2.4 GHz solutions. The dongle is designed to work in conjunction with the nRF Connect for Desktop software.
Specifications:
- System-on-Chip (SoC): nRF52840 with 64 MHz Arm Cortex-M4F processor
- Memory: 1 MB flash and 256 kB RAM
- Wireless protocols: Bluetooth 5.4, Bluetooth mesh, Thread, Zigbee, IEEE 802.15.4, ANT, and proprietary 2.4 GHz protocols
- Interface: USB Type-A
- GPIO: 15 general-purpose input/output pins accessible via castellated (gold-plated) edge holes
- User interface: Programmable RGB LED, green LED, and programmable button
- Power supply: USB-powered (1.7 V to 5.5 V)
- Programming: Supports USB DFU (Device Firmware Update) via onboard bootloader
Typical applications:
- Development and testing of wireless applications in IoT
- Prototyping of Bluetooth LE, Thread, and Zigbee-based devices
- Educational use and demonstration projects
- Use as a wireless sniffer for network analysis
Software support:
The nRF52840 Dongle is compatible with nRF Connect for Desktop and can be programmed using either the nRF Connect SDK or the nRF5 SDK. It also supports programming via the nrfutil command-line tool. Example applications and drivers are available to assist in the development process.
