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Amazing Eddy Currents - Circuit Cellar
https://circuitcellar.com/research-design-hub/basics-of-design/amazing-eddy-currents/
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diy electronics
cc blog
basics of design
lcr meter
eddy currents
ferrite inductors
impedance measurement
Explore how eddy currents can be used to measure the thickness of thin copper and aluminum foils using low-cost sensors, a PC, and a USB sound card. Discover practical DIY techniques and the science behind this non-contact measurement method.
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