Attributes

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

5 reviews

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.

5 FAQ

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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