The quick read : use only simple globals in ESP32 Interrupts do not use objects! The longer read below… As part of my sound module (to be used first in the Frogger build) I have to use interrupts as a necessity. In addition I like to work in OOP when I […]
Project to enable small portable Lascells ripple tanks to display the frequency of the wave, supporting the video just below.
Build of a frequency counter for an educational portable ripple tank used to investigate properties of waves. These do not usually come with frequency counters.
When people donate to the site it does make you feel like you’re providing something of interest to viewers. It spurs you on to create more content and yes, makes you feel appreciated in the efforts that you make. As I write this I was just soldering up a mini-project […]
There have been a few donations lately to the web-site, which is fantastic, it enables me to fund the hosting independently. At the moment the donations combined with the Adsense adverts nearly cover hosting costs. Which is amazing for the site and in recently weeks the number of page hits […]
Supporting video for the article on getting your ESP32 to playback WAV files/ digital sound. This video covers what’s in the article as well as explaining how to add your own WAV’s.
In this article we will make the ESP32 play wav files/ digitised sound through it’s DAC. A library is available to download on this page to allow you to simply play your files whilst your main code still runs, i.e. sound plays independently of your main program.
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