Square sticker with a QR code in black on a white background, with black trimming. Mounted on white paper with barcode.
QR codes! You learned how to make them and use them! The sticker itself is a QR code too! Adafruit offers a fun and exciting stickers to celebrate achievement for electronics, science...
Discontinued
Square embroidered badge with a QR code in black on a white background, with black trimming. Shown next to a quarter for scale.
QR codes! You learned how to make them and use them! The badge itself is a QR code too! Adafruit offers a fun and exciting "badges" of achievement for electronics, science...
Discontinued