Filed under: batteries & power, New Products —
Tags: battery holder, battery packs, battery power, battery powered, coin, coin cell, cr2032, lithium batteries, lithium battery, lithium ion, new products, power switch, power switches, switch —
Tags: battery holder, battery packs, battery power, battery powered, coin, coin cell, cr2032, lithium batteries, lithium battery, lithium ion, new products, power switch, power switches, switch —
Filed under: batteries & power, components & parts —
Tags: ATtiny, ATTiny85, Cornell, Cornell University, cr2032, jingle, pranks —
Tags: ATtiny, ATTiny85, Cornell, Cornell University, cr2032, jingle, pranks —