This quick post is about resistor box which we construct recently using 5W wire-wound power resistors. For this resistor box we use five, single pole 12 position rotary switches and 50 wire-wound resistors. It gives 5 dials to controls 10Ω, 100Ω, 1KΩ, 10KΩ and 100KΩ steps.
|Final view of homebrew resistor box.|
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