The badge runs on an ATtiny45 and uses three 8×8 ultra-bright LED matrices for scrolling [Madison]’s name. It’s powered by a tiny LiPo battery that is boosted to 5 V. This build really shows ...

The Wildcard Office can create custom 2-1/8" x 3-3/8" plastic badges/ID cards for your school/department for $10 each ($15 for Indala contactless card). Bus passes may also be ordered using this form, ...