For buildings that are big and tall where the water tanks are kept way up high over the terrace, keeping an eye on the water levels all the time by […]
Vibration Activated Alarm Circuit
The noise or vibration activated alarm circuit displayed in this article makes use of its pre-installed loudspeaker like a microphone while it is within the sland- by-state. How the […]
Day Night Activated Triac Switch Circuit
The purpose of the discussed triac based day night activated switch circuit is to automatically switch OFF a given electrical appliances and peripherals during day light and vice versa, this […]
Automatic Darkness Activated Porch Light Circuit
The post explains a simple dark triggered porch light or corridor light circuit using a single IC 741 and few other passive components. This arrangement enables you to automatically switch […]
Simple Light Activated Switch Circuit
The light activated switch circuit works on a very basic principle, that of amplification of the current produced by a photo-transistor when light impinges upon it. The current is amplified […]
How to Make a Light Activated Water Level Controller Circuit
The light triggered water level controller circuit discussed the following post carries the good thing about being corrosion free and considerably trustworthy rather than the traditional moisture sensor type of […]