The nice!nano is a wireless, BLE enabled replacement for the Pro Micro powered by the nRF52840 SoC. Includes square post headers to install the device, but it is recommended to socket the controllers. Requires a 3.7v lithium rechargeable battery for wireless functionality. The 301230 lithium battery is a good fit. Changes for v2 Reduced quiescent (system idle) power by ~70% Increased through hole pad sizes to make soldering easier Reduced battery pin size to avoid incorrect installation Charge boost added to optionally increase charge rate from ~100mA to ~500mA Miscellaneous changes to reduce GPIO failures, improve thermals, and reduce component failures For more information including build tips, firmware, and more, read the documentation. Please note that these controllers require different firmware than the Pro Micro and Elite-C controllers. Be sure to read the documentation for more information about compatibility. Features: Mid mount USB-C port making the board a 3.2mm total thickness (thinner than a Pro Micro) nRF52840 chip on board with 1MB of Flash and 256KB of RAM Adafruit Bootloader loaded offering DFU flashing as well as flashing via UF2 storage (similar to dragging a file to a flash drive!) Programmable indicator (blue) LED as well as a charging indicator (orange) LED Battery voltage reader to report battery percentage to main device External power can be cut off using an on board MOSFET saving power from LEDs (each can draw 1mA when off!) 5 extra GPIO pins (3 thru holes and 2 pads on the back) offering a total of 23 GPIO pins 3.3V out of the VCC pin to power external features 32.768 kHz oscillator on board for real-time clock capabilities Clean design with matte black solder mask, immersion gold plating, and Tg 170 FR4 for durability
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