Most people know me for my bottle digging but I love metal detecting. Alabama is a tough area to be a coin shooter but I love old silver..... well at least old to me silver! In this video I break out ...
While smoke detectors are made to last a full decade, it's important to make sure yours is functioning properly so your home ...
He used an old smoke detector for the build; a nice choice since it’s loud, and designed for long-term battery operation. It also has a button for testing if the detector is working.
By cleverly patching into the test button on an old smoke detector he created a circuit ... Anyway, it’s still an interesting reuse of these ubiquitous, and life-saving, devices.