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Author: Mark Donners

How to sample Audio on ESP32 with I2S – Tutorial

Posted on December 19, 2021December 21, 2021 by Mark Donners

In this video tutorial I am sharing some of the methods I have used now and in the past regarding the sampling of audio signals. It shows you three methods:
1. Sequential sampling
2. Interrupt driven sampling
3. I2S (IIS) driven sampling

This is an open source project, all schematics, software and building instructions are available for you. Use it, change is, heck even sell it. It’s ok but if you do one or more of the above, please give me credit by linking back to my channel.…

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boy boy boy boy boy

High voltage frikandel guard 400kV

Posted on December 19, 2021 by Mark Donners

Januari 2021 was the time that “The practical Engineer: Emiel Noorlander” joint forces with Arjan from AB Customs by unleasing a build challenge into the world.
They challenged their viewer to build something using a few marked words:
Frikandel ( a dutch hotdog), Hands Free, 12 Volts.

Whatever is being build, useful or not, if it is related to the words above, it can enter the challenge.
So that is what I did. I Build something completely useless to enter this competition.…

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boy boy boy boy boy
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"I love open source projects. Learning and sharing knowledge without being commercially exploited."
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