88
Started putting QR Codes on my filament so I know how old it is and what brand / color
(discuss.tchncs.de)
this post was submitted on 08 Aug 2023
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Of course you could just write on a sticker with a pen, but where's the fun in that!
exactly. ^^
And once you've got the QR codes on, you setup a pi with a camera than can read them and give you the results, maybe with a red/yellow/green LED for age :-)
Add a scale spool holder and have an excel sheet automatically updated and make it warn you whenever you slice a model
Using an entire SBC for that seems kind of overpowered and unnecessary, just a little microcontroller or your phone will do!