Simple Soil Dryness Detector Circuit

Important thing for plant growth and life is water for proper plant hydration we need to…

Simple Broken Wire Detector

Finding broken wire inside wall or over insulator is very difficult and here is the simple…

Main Power Interruption Alarm

        This main power interruption alarm circuit constructed with few simple components and…

Main power supply Indicator circuit

This circuit provides the status about the presence of main power supply through visual and audible…

Temperature level bar graph using LM35 with Arduino

The bar graph LED output is very easy to understand the level of output. Here we…

LED chaser with buzzer

Here we added sound with visual output, yes the LED fader circuit or chaser circuit with…

Simple metal detector circuit

Very simple metal detector circuit is given here, it uses Inductive proximity sensor. It has the…

Simple Rain detector alarm circuit

Single transistor Rain detector alarm or water drop detector alarm, We can use this circuit any…

IC 555 Based Touch Alarm

IC 555 used in many simple and useful circuits, every electronics hobbyist may surely tried IC…