It would be really cool if Vireo could run on a Raspberry Pi Pico ([RP2040 microcontroller](https://www.raspberrypi.org/documentation/rp2040/getting-started/)).  This board is very inexpensive and becoming quite popular, to say the least. - [Getting started with Raspberry Pi Pico][picogettingstarteddoc] - [Hardware Design with RP2040][picohwdoc] - [Raspberry Pi Pico C SDK][picosdkdoc] [picogettingstarteddoc]:https://datasheets.raspberrypi.org/pico/getting-started-with-pico.pdf [picohwdoc]:https://datasheets.raspberrypi.org/rp2040/hardware-design-with-rp2040.pdf [picosdkdoc]:https://datasheets.raspberrypi.org/pico/raspberry-pi-pico-c-sdk.pdf