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Resistor decade substitution box
door petieken
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Box for 7 digit resistor decade. I used KSA-2 switches from aliexpress and 1W resistors from 1ohm up to 1Mohm.
The switches are a snug fit into the opening, I didn't need glue to have them stay put. There are also small slots in the top above and below the switches to mark 1K and 1M.
The holes for the banana plugs use standard 3/4" spacing. I made these on the small side because the threads on these banana plugs are not always the same diameter. If necessary you can drill the hole larger.
The back panel uses a latch on one side and one screw on the other side which taps into the main body.
The switches are a snug fit into the opening, I didn't need glue to have them stay put. There are also small slots in the top above and below the switches to mark 1K and 1M.
The holes for the banana plugs use standard 3/4" spacing. I made these on the small side because the threads on these banana plugs are not always the same diameter. If necessary you can drill the hole larger.
The back panel uses a latch on one side and one screw on the other side which taps into the main body.
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