measurements, getting to the heart of it
One thing I learned early on, in robotics what you get is what you don't see.
Use meters to reveal things.
Voltage is easy.
DC Current is thought to be hard, but check out the Kussmaul Electronics 091-8 strap on ammeter. (inductive ammeter)
If you are overloading the main or subcircuits, this will pinpoint the problem for less than $20 and without disconnecting any wires.
Snap-on Tools has similar meters, but they are pretty expensive.
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Charlie Affel,
Mentor 423
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