EEVblog #212 - DIY Decade Resistance Substitution Boxes

Dave feels a tad nostalgic, so takes apart his 25 year old DIY decade resistance substitution box. And some info on how you can build your own. DIY thumbwheel box: Теги: decade,resistance,substitution,box,power,resistor,datasheet,dissipation,wattage,switch,circuit,diy,build,your,own,jiffy,made,in,australia,teardown