[Vincent] on the EEVblog forums had an idea for an inexpensive resistor substitution decade box. The build uses cheap decimal thumbwheel switches he bought on eBay. Each switch is wired up with ...

For simplicity's sake,let's just say there are two kinds of fuel injectors: peak and hold and saturated. The difference between the two has to do with resistance. Peak and hold (aka low impedance) ...

[Gerry Sweeney] was tired of messing around with resistors while prototyping his projects, so he decided he wanted a resistor decade box. The problem is they are typically big and rather expensive ...