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DIY Resistor Substitution Decade Box

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DIY Resistor Substitution Decade Box. George (our video producer!) writes –

Here’s a handy guild on how to build your own DIY Resistor Substitution Decade Box. I had seen several people online building their own, but instructions weren’t very clear.  Hopefully these 50 or so pictures will help. First step – hop onto ebay, and pick up some switches.  You can find them by searching for “decimal thumbwheel switch”  – I think I only paid $5 for 10 of them including shipping (from china).  Order up some extras – they can be used for all sorts of things – and a fun part to keep around.


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