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Hackaday4 年
precision multimeter
Back in the day you could make one fairly easily with a decent panel meter and a set of precision resistors, and now a digital one can be had for throwaway prices from China. But what if instead ...
Hackaday4 年
A DIY 6.5-Digit Multimeter Is A Lesson In Clever Circuitry
Back in the day you could make one fairly easily with a decent panel meter and a set of precision resistors, and now a digital one can be had for throwaway prices from China. But what if instead ...