Welcome back to our Tech Tip series! Today, we’ll review one of the most essential tools in every toolbox, a multimeter.
Combining Cor Van Rij's JFET test socket with two DMMs, a current limiter, switches and a wall wart yield a simple, accurate ...
A quick calculation: To estimate a battery’s internal resistance, you can use a simple voltage-drop method when the ...
Yours probably won't blow up, but your electronics could suffer from old surge protectors -- and it may depend on the weather ...
Engineeringness on MSN
How Do Resistors Control the Flow of Electricity?
Resistors are small but essential components that manage how electricity moves through a circuit. This video explains how ...
Verywell Health on MSN
We Asked a Cardiologist How Often You Should Really Check Your Blood Pressure at Home
Jones: The AHA recommends that all patients with high blood pressure use a home monitor to measure their blood pressure at least two or three times per week. In my practice, I recommend that my ...
We can’t get enough of [Bettina Neumryn’s] videos. If you haven’t seen her, she takes old electronics magazines, finds ...
It has been known for many years (or decades) that one of the the best tools to determine how clean or noisy an audio preamp ...
Fix It Homestead on MSN
The quick test that tells you if your attic insulation is enough
Most people have no idea if their attic insulation is doing much or just… existing. You feel drafts, certain rooms run cold, and the heat bill climbs, but it’s hard to tell if the attic is the problem ...
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