When HN users recommended it
1 HN user recommended this in 2017, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2017, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
What's wrong with cheap handheld barcode scanners, like this for $17:
https://www.amazon.com/Barcode-Scanner-Symcode-Handheld-Read...
It just acts as a USB keyboard (no drivers needed), so you could easily hook it up to a Rasperry Pi to do what you want.