relaxing kit build: Burglar alarm featuring 556 timer
Today feels like a good day for a nice relaxing kit build.
Today's kit is the "Burglar Alarm with Time Delay NE555 DIY soldering kit" from Universal Solder
https://universal-solder.ca/burglar-a...
It's a relatively straightforward set of circuits that are a decent demonstration of a few circuit principles, and builds up into a nice little finished product.
For a better understanding of the oscillator part, here is the book that several generations of hobbyists learned from:
Engineer's Mini Notebook- 555 Timer IC Circuits by Forest Mims
https://archive.org/details/555-designs
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This isn't the only way to do it.
It's probably not the best way to do it.
But it's how I did it.