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 ...

Fuming city cops, unhappy with the Rev. Al Sharpton’s perceived influence over the NYPD, have been passing around a mock police ID card with the activist listed as the “NYPD police ...