Build your own Arduino-based ESR Meter

Romanian Arduino enthusiast and Arduino forum member “szmeu” has published his ESR meter circuit and sketch for us to examine and reproduce. An ESR (equivalent series resistance) meter is useful for measuring the ESR of capacitors in-circuit, and also resistor values that are below one ohm. So if you are looking for a good weekend project and enjoy working with DIY test equipment, this project is for you.

For the code, schematic and project discourse, visit the Arduino forum. And we’re on twitter, so follow us for news and product updates as well. To get started with your own ESR meter, you can save time with our LCD Keypad shield:

… and for the external circuitry  – consider our range of ProtoShields. From the tiny LeoStick to the Mega range, we offer a complete range for you to work with.

 

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