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.

Smoke alarms and carbon monoxide detectors save lives, but only if installed properly. This guide demonstrates how to wire a combination unit so it functions as intended. With the right precautions, ...

This home smoke detector circuit warns the user against fire accidents. It relies on the smoke that is produced in the event of a fire and passes between a bulb and an LDR, the amount of light falling ...