Text case changes the size of QR codes
https://www.johndcook.com/blog/2025/10/31/smaller-qr-codes/
#HackerNews #TextCase #QRcodes #SizeChange #TechNews #QRcodeDesign
Wow, this is nifty -- didn't realize you could render QR codes as text (UTF8)
Solar-powered QR reading postboxes being rolled out across UK
https://www.bbc.co.uk/news/articles/cgln72rgrero
#HackerNews #SolarPower #QRcodes #UK #Innovation #EcoFriendly #TechNews
Em :official_verified:
and 1 other
boosted
Don't use random "free" QR code generators online, make sure to use a non-redirect link QR code generator (Linux has a few, if you're into LInux).
Last year, I ran into someone's YouTuber/TikTok vehicle with a QR code plastered onto it for their channel, scanned it, and it was "YOUR QR CODE HAS EXPIRED" - QR codes DO NOT NEED A SUBSCRIPTION.
Don't use random "free" QR code generators online, make sure to use a non-redirect link QR code generator (Linux has a few, if you're into LInux).
Last year, I ran into someone's YouTuber/TikTok vehicle with a QR code plastered onto it for their channel, scanned it, and it was "YOUR QR CODE HAS EXPIRED" - QR codes DO NOT NEED A SUBSCRIPTION.