4. Load Firmware
Your Raspberry Pi Pico (RPi) will need firmware loaded onto it. This can be found at www.tangiblesthatteach.com/downloads. Download the current version of the TRECS firmware.
Hold the button on the RPi down while plugging it into a computer.
Once plugged into the computer, release the button.
The Raspberry Pi will show up as a USB drive on your computer in your browser/finder/folders.
Drag and drop firmware onto it.
Once loaded, the drive will "disappear" from your computer.
That's all there is to it!
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