Adafruit CLUE nRF52840 Express
Best all-in-one sensor platform for interactive electronics and wearable prototyping.
This board is the ultimate Swiss Army knife for makers who want to prototype complex projects without the mess of breadboards. While its micro:bit form factor limits your ability to integrate it into larger, permanent builds, the sheer density of onboard sensors and the vibrant display make it an unmatched tool for rapid, standalone experimentation.
$44.99
at
Micro Center
Who it's for
- Developers building wireless IoT devices and remote sensor nodes
- Makers wanting immediate project functionality without extra hardware
- Beginners seeking an accessible entry into microcontroller programming
Who should skip it
- Prototypers requiring standard breadboard compatibility for custom circuits
- Engineers designing long-term, battery-operated remote monitoring systems
- Hobbyists working with strict, low-cost project budgets
Performance breakdown
Sensor Integration
An incredible array of onboard sensors for immediate project prototyping.
Display Quality
Vibrant IPS screen provides crisp, high-resolution visuals for data visualization.
Expansion Capability
STEMMA QT connector makes adding external hardware effortless and solder-free.
Programming Versatility
Seamless support for both CircuitPython and Arduino IDE workflows.
Form Factor Utility
Micro:bit compatibility ensures access to a vast ecosystem of existing accessories.
Wireless Connectivity
Reliable Bluetooth LE performance for modern IoT and mobile-linked projects.
Key Specs
Processor
Nordic nRF52840 (64 MHz Cortex M4)
Memory
1 MB Flash, 256 KB RAM, 2 MB internal storage
Display
1.3″ 240×240 Color IPS TFT
Connectivity
Bluetooth LE, Hardware SPI, UART, I2C, I2S
Power Input
3-6V battery source or micro USB
Dimensions
51.7mm x 42.2mm x 12.3mm
Weight
13.0g
Certifications
RoHS 2 2011/65/EU Compliant, RoHS 2 2015/863/EU Compliant
Microcontroller Processor
NXP i.MX RT
RAM
256 MB
Know before you buy
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Ask Metto anything about the Adafruit CLUE nRF52840 Express before you decide.
