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Step 2Smoke Alarm Components 101
Here are the basic components of your typical smoke alarm. The test button is just a little plastic button that when you push it, it causes the metal test switch to connect with a jumper tab, causing an alarm.
The piezo horn is what makes all the noise.
The ion chamber has 1 microcurie of Americium-241. It is what detects the smoke.
The status LED normally blinks every minute. When in alarm, it blinks every second.
I hope you know what the battery terminals are for...
The piezo horn is what makes all the noise.
The ion chamber has 1 microcurie of Americium-241. It is what detects the smoke.
The status LED normally blinks every minute. When in alarm, it blinks every second.
I hope you know what the battery terminals are for...
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