Only one neck badge is worn. It should normally be the senior ... centred immediately above the left breast pocket of authorized jackets and shirts. This emblem (see A-DH-200-000/AG-000 The Heritage ...

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 ...