I didn’t read their other guide, but yea, they did that. You do have to keep track of your reservoir manually.

https://github.com/dekuNukem/bob_cassette_rewinder/blob/mast...

> The easiest way is to melt the solder on the WP pin, and gently lift it up off the pads so it is no longer making contact

(And then bridge it to vcc).

FYI for anyone that breaks the pin, you can usually scrape into the chip a bit and solder onto the rest of the leg past the point of fracture.