Topic
3 videos. Ranked by independent recommendations, not by views.
Dave Jones builds a constant current dummy load from an op-amp, MOSFET and shunt resistor for testing supplies and batteries; a common starting design for DIY loads.
Builds a cheap high-power dummy load from enamelled copper wire submerged in a bucket of water; people have copied it for battery and supply testing.
Suggests building a plug-in breakout box for ATX computer supplies, housing a dummy load, instead of modifying each salvaged supply into a bench unit.
