raspberry pi pico - usb host
Channel: Brenden Adamczak
Date: 2022-08-11

This example makes a USB hid host application.  Specifically I'm going to hook up a keyboard up.

If your looking for a finalized version of the code you can grab it here. It's only slightly more modified then the one in the video.
https://github.com/brendena/raspberry-shifter/releases/tag/V0.1


How to install openOCD
https://datasheets.raspberrypi.com/pico/getting-started-with-pico.pdf
Go to chapter 5


0:00 - getting code
2:30 - setting up pico probe 
6:50 - pushing code to pico
8:20 - keyboard working
9:00 - deeper dive into code
19:00 - caps lock works