Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Chipset | Nordic NRF52840 |
| CPU Architecture | ARM Cortex-M4F |
| Clock Speed | 64 MHz |
| Flash Memory | 1 MB |
| SRAM | 256 KB |
| Wireless Protocols | Bluetooth 5.0, Zigbee, Thread |
| Logic Voltage | 3.3V |
| Input Voltage | 5V via USB |
| GPIO Pins | 22 Digital I/O |
| USB Interface | USB Type-C |
Anonymous
Mar 10, 2026
Rating: 4/5
Good but Needs Knowledge
Powerful chip but has a steeper learning curve for beginners compared to standard Arduino boards. Documentation could be clearer.
Anonymous
Feb 19, 2026
Rating: 5/5
Perfect for IoT
Ideal for home automation sensors. Low power consumption and robust wireless capabilities.
Anonymous
Feb 17, 2026
Rating: 5/5
Stable Connection
Using this for a wearable project. The Bluetooth connection remains stable even at a distance.
Anonymous
Jan 25, 2026
Rating: 5/5
Excellent for BLE Projects
This board works flawlessly with CircuitPython and the Arduino IDE. The wireless range is impressive for such a small form factor.
Anonymous
Jan 22, 2026
Rating: 5/5
Great Form Factor
Fits perfectly in projects where I used the old ProMicro. The USB-C connection is a welcome upgrade.
Q: Can I use this for Zigbee development?
A: Yes, the NRF52840 chip fully supports Zigbee 3.0 and Thread protocols out of the box.
Q: What is the maximum current per GPIO pin?
A: We recommend drawing no more than 15mA per GPIO pin to ensure stability and longevity of the chip.
Q: Does it have a built-in battery charger?
A: No, this board does not include a LiPo charging circuit. You will need an external battery management module.
Q: Do the headers come pre-soldered?
A: No, the headers are included separately in the package to allow for custom mounting options.
Q: Is this compatible with the Arduino IDE?
A: Yes, you can program this board using the Arduino IDE by adding the Nordic nRF52 board support package.
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