https://www.raspberrypi.com/documentation/microcontrollers/c_sdk.html
tutorial on installing vscode w/ rp2040
https://www.youtube.com/watch?v=mUF9xjDtFfY
add ethernet rp2040
https://pallavaggarwal.in/2021/11/19/add-ethernet-to-raspberry-pi-pico/
https://www.waveshare.com/rp2040-eth.htm
https://www.amazon.com/Development-Raspberry-Processor-Controllable-MicroPython/dp/B0C3R86WFB
https://www.raspberrypi.com/news/how-to-add-ethernet-to-raspberry-pi-pico/
phy transciever
https://www.amazon.com/DWEII-Ethernet-Performance-Physical-Transceiver/dp/B0B6G27DC1/ref=sr_1_2?crid=137POREYT4TO3&keywords=LAN8720&qid=1699673971&sprefix=lan8720%2Caps%2C94&sr=8-2
lol bit banged
https://hackaday.com/2022/08/26/bit-banged-ethernet-on-the-raspberry-pi-pico/
https://www.seeedstudio.com/blog/2021/05/20/adding-ethernet-to-raspberry-pi-pico-its-easier-than-you-think/
https://www.instructables.com/The-Arduino-Raspberry-Pi-PicoRP2040-Ethernet-V211/
//midi macropads