DIY coil tester- Part2
I'm back again with my second installment for another type
of homemade COP coil bench tester. This design is to control
a 3 or 4 wire coil with an internal module- ie. the primary
switching transistor is part of the COP unit. Now what I
came up with is a small device that makes a 0-5V squarewave
with 3msec on-time at 15Hz.[DIY mini coil driver] So
you could just buy an adjustable signal generator that would
do the same thing, but where's the fun in that? ;) Chris from New Jersey
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