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 ...

This infrared detector can be used to detect the presence of modulated infrared signals in its vicinity from any electronic source, for instance, an IR handheld remote controller. It can also be used ...

Microchip’s TC54 series of voltage detectors are well-suited for battery powered systems because they can operate on current as low as 1 µA. To view the application note, click on the URL below.