For the walky-talky project (, I made a custom PCB in EasyEDA to hold the ESP32 dev board, the I2S Amplifier and the I2S Microphone. It worked really well, but there were a few shortcomings. In this video, we rectify those issues.

Thanks to PCBWay for sponsoring this video, PCBWay offer PCB Production, CNC and 3D Printing, PCB Assembly and much much more. You can find their details here:

There were a number of shortcomings to my original design.

Hopefully, this new version fixes all these issues and is now “perfect”…

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