SparkFun Pro nRF52840 Mini – Bluetooth Development Board Butane production deployments should include industrial-grade

production deployments should include industrial-grade enclosures

and normally closed terminals for maximum wiring flexibility

Easy Panel Mounting: Standard 71 x 29 mm cutout drops into enclosures

For Model B+ compatibility

SparkFun Pro nRF52840 Mini – Bluetooth Development Board Butane production deployments should include industrial-gradeSparkFun Pro nRF52840 Mini Bluetooth Development Board The SparkFun Pro nRF52840 Mini is a compact yet powerful Bluetooth 5. 0 development board featuring the Nordic Semiconductor nRF52840 SoC, delivering dual core ARM Cortex M4 processing at 64 MHz with 1 MB flash and 256 KB RAM. Professional IoT developers, embedded systems engineers, and wireless protocol specialists use this board to prototype BLE mesh networks, connected wearables, and low power