Learn how to use a piezoelectric element as a speaker, and how to generate musical notes with a microcontroller with this home electronics how-to. For more on programming microcontrollers to make sweet, sweet music, watch this helpful video guide.
Just updated your iPhone? You'll find new emoji, enhanced security, podcast transcripts, Apple Cash virtual numbers, and other useful features. There are even new additions hidden within Safari. Find out what's new and changed on your iPhone with the iOS 17.4 update.
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