Sorting boxes, sorting containers and generally just a good way to reuse old packaging materials for storage solutions. The black suitcase like boxes comes from a special calibrated sensor and the small drawers are from fuses for mains electrical panels. How many mystery boxes do you have in your work shop?
A talk about different kind of power resistors, values, wattage rating, inductive and non-inductive resistors, carbon, wire, copper and all that has to do with resistance.
I needed a 50A current meter for the 1800W induction heater ( https://highvoltageforum.net/index.php?topic=530.0 ), but had none with the proper scaling. I do however have a large box of Kyoritsu KM-66 1 mA blank scale meters, so I decided to do a video on the following topics: Learn how to calculate the shunt resistor for …