Some Disassembly Required

Building, Un-building and Re-building Things

Tag: Test and measurement

  • Simple Power: A Minimalist Adjustable Power Supply

    Simple Power: A Minimalist Adjustable Power Supply

    A Simple Power Supply for When you Don’t Need all the Bells and Whistles. Having a bench supply? That’s great. Moving it around? Well, it’s called a bench supply for a reason. There’s definitely a niche for a small power supply you can carry from place to place. I’m not pushing the boat out too…

  • DIY U-Tube Manometer

    DIY U-Tube Manometer

    Perhaps the Simplest Measuring Instrument After the Calibrated Stick. Pressure. It’s one of those things. You know, the sort of thing you never, ever think too much about. Until one day you run into a problem where it would be really handy to know about it. Obviously pressure gauges exist, and are relatively easy to…

  • Simple Load: A Low-cost, Medium Power Test Load

    Simple Load: A Low-cost, Medium Power Test Load

    Building a Constant Current Load for Power Supply Testing. Usually when we talk about “power” we refer to a power source, e.g. “battery power”, “mains power”, etc. Sometimes though, its more useful to refer to what’s using the power: the load. Having a controllable load is particularly useful when designing a power source. You can,…