Smoke detector with gas sensor TGS 813 – source The simple schematic diagram of a smoke detector presented here utilizes the gas sensor TGS 813 as the main detecting component. The circuit is pretty ...

You know you need a smoke detector, but do you know how to maintain it? This complete guide covers everything from smoke detector installation to other costs.

Hard-wired smoke detectors are more difficult to install in existing homes, because each needs to be connected to each other and the electrical circuit, using a wiring system like Romex.

Many people complain about the annoying “chirp” indicating a weak battery, but knowing the detector is completely broken is enough to keep anyone awake at night.

At the heart of this ultra simple smoke alarm is H21A1, which is a photo-interrupter module consists of a gallium-arsenide infrared LED coupled to a silicon phototransistor in a plastic housing. The ...

Which is why smoke detectors are so important. They are life saving devices that can wake people up sleeping inside, well before the silent, but deadly carbon monoxide starts to kick in.

The Vape Detector for Schools by Forensics Detectors is a real-time continuously running vape detector that is mounted on a wall in bathrooms, restrooms, and indoor areas.

The Vape Detector for Schools by Forensics Detectors is a real-time continuously running vape detector that is mounted on a wall in bathrooms, restrooms, and indoor areas.