Reference: RBD-1827
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The Pro Micro nRF52840 Development Board is a compact, high-performance, low-power wireless development platform designed as a Pro Micro–pin-compatible alternative and fully compatible with Nice!Nano V2.0 layouts. Built around Nordic’s nRF52840 SoC, it is ideal for wireless keyboards, IoT nodes, wearables, and battery-powered embedded projects.
The Pro Micro nRF52840 Development Board is a compact, high-performance, low-power wireless development platform designed as a Pro Micro–pin-compatible alternative and fully compatible with Nice!Nano V2.0 layouts. Built around Nordic’s nRF52840 SoC, it is ideal for wireless keyboards, IoT nodes, wearables, and battery-powered embedded projects.
Powered by an ARM Cortex-M4F (64 MHz) processor with generous onboard memory, the board supports multiple wireless protocols including Bluetooth 5, Thread, Zigbee, ANT, and proprietary 2.4 GHz. Its Pro Micro–compatible pinout allows easy drop-in replacement for existing designs.
nRF52840 SoC with ARM Cortex-M4F @ 64 MHz
1 MB Flash and 256 KB RAM
Pro Micro–compatible pinout (Nice!Nano V2.0 compatible)
Multi-protocol wireless: Bluetooth 5, Thread, Zigbee, ANT, 2.4 GHz
Onboard antenna for compact designs
Type-C USB interface
3.7 V Li-ion/Li-Po battery connector with onboard charging IC
Ultra-low power: ~20 µA standby
Software-controlled LED power switch to reduce idle consumption
Rich peripherals: ADC, PWM, SPI, I²C, UART, USB GPIO
Hardware security: AES, SHA-256, TRNG
Ships with Blink-All-IO demo (all IO toggles every 1 s).
To enter Nice!Nano V2 bootloader: short RST to GND twice within 0.5 s (or double-press reset if available).
Product: Development Board
Model: Pro Micro nRF52840
MCU: ARM Cortex-M4F, 64 MHz
Flash: 1 MB
SRAM: 256 KB
Wireless: Bluetooth 5, Zigbee, Thread, ANT, 2.4 GHz
Battery Support: 3.7 V Li-ion/Li-Po (onboard charging IC)
Standby Current: ~20 µA
Security: AES, SHA-256, TRNG
Interface: USB Type-C
Dimensions: 33 × 17.78 mm
1 × Pro Micro nRF52840 Development Board (Nice!Nano V2.0 compatible)
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The Pro Micro nRF52840 Development Board is a compact, high-performance, low-power wireless development platform designed as a Pro Micro–pin-compatible alternative and fully compatible with Nice!Nano V2.0 layouts. Built around Nordic’s nRF52840 SoC, it is ideal for wireless keyboards, IoT nodes, wearables, and battery-powered embedded projects.
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