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Old door alarm: curiosity teardown
I found this old "security" door alarm recently, and was curious about how it works.
I remember similar units in the old Radio Shack catalogues, but never got to play with one back in the day.
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Some other links to products may be affiliate links
https://odysee.com/@pileofstuff
#ElectronicsCreators
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.
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By I found this old "security" door alarm recently, and was curious about how it works.
I remember similar units in the old Radio Shack catalogues, but never got to play with one back in the day.
My tip jar: https://www.patreon.com/pileofstuff
My other tip jar (channel membership) : https://www.youtube.com/channel/UCRiFz3gNKE3VysarZ7nmqIA/join
Buy me a coffee (or a beer): https://ko-fi.com/pileofstuff
If you are OK with me getting a commission on your purchases, feel free to use my affiliate links:
Ebay: https://ebay.to/33IF7PA
Banggood: http://pileofstuff.ca/r/9ajsf
Some other links to products may be affiliate links
https://odysee.com/@pileofstuff
#ElectronicsCreators
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.