Frood by piit79

The Frood is a high-performance and affordable Pro Micro drop-in replacement based on a Raspberry Pi RP2040. It is physically and electrically compatible with Elite-C/nice!nano as much as possible.

Features
* Powerful dual-core Raspberry Pi RP2040 MCU
* 2 MB on-board QSPI flash memory
* Only 3.2 mm thick thanks to a mid-mounted USB-C socket
* 500 mA linear regulator and resettable fuse
* Combined Pro Micro / Elite-C / nice!nano / SparkFun Pro Micro RP2040 compatible pinout
* 5 more I/O pins (GPIO12-GPIO16) added along the bottom edge
* 23 available digital pins for a maximum of 11x12 = 132 switches
* 4 pins configurable as analogue inputs
* USB D+/D- broken out for use with an external USB socket/daughterboard
* USB power sensing on GPIO19 for split keyboard side detection
* UF2 bootloader for drag & drop programming with no extra software required
* Orange indicator LED on pin GPIO17

#mcu