Project: Equivalent series resistance meter

Thread Starter


Joined Apr 3, 2009
i recently put together an ESR meter to test capacitors. I really enjoy building things and would like to share my accomplishments. i put the circuitry on a PCB, recalibrated the meter, found a suitible transformer substitute, and put it all in a radioshack project box. video here:

more info and schematic are in the description. TY!


Joined Mar 24, 2008
Please read the rules of the Completed Projects forum.

When posting a project please include the following information:

  1. A clear title that describes the project appended by the word 'Project:', for example "Project: 555 Audio Oscillator".
  2. A list of parts, equipment, software used.
  3. Details of any theory, references or information that may be applicable.
  4. Any schematics, source code, etc.
  5. A short description of what to do.
  6. In the interests of manageability and security, project files/code/schematics must be locally stored. Links may be used to provide supplementary information, however they must not provide the substance of the project.
This project has sat in limbo basically because it didn't meet the above requirements. If you want to resubmit this entry please rework the entry to meet the requirements, then drop one of the moderators a PM pointing to it. If it is acceptable a moderator can move it back to the Completed Projects forum and clean up notices and suggestions (making them invisible).