Rain Alarm Circuit

Rain Alarm Circuit using Transistors

August 19, 2019 admin 0

A rain alarm sensor circuit is very beneficial device for alerting when rainfall. The following circuit diagram is Rain alarm circuit. The diagram shows a water detection circuit. It consists of two NPN transistors. When there is no  rain fall {Read More}

water detection alarm device

Water Detection Alarm Device

August 19, 2019 admin 0

This diagram shows a device used for water detection, when the probes come in contact with water, the alarm sounds. It consists of only 5 components that are easily available in the market.The IC CD4047 is CMOS-based, so pay attention {Read More}