I use KiCad 6.0.1 for this project. All KiCad files are here

If you want to use PCB service, make sure you export your Gerberfile.

• V1.0 (KiCad 6.0.1) used in the video

• V1.1 (KiCad 6.0.5) not manufactured

YouTube

mic-tester-lm358-lm386

• This repo is for learning purpose!

• The mic_tester folder contains all files for KiCad.

• Feel free to play with it.

• It will be appriciated if you have any feedback or suggestions to improve it!

Heavily inspired by the following article

• EC044T-R1 コンデンサーマイク（ECM) チェッカー：http://www.or2.fiberbit.net/takehiko-inoue01/denshikousaku2013.html#_EC044T-R1