Here the circuit design of vibration sensor alarm. Initially, when power switch S1 is flipped to “on” position, power indicator LED1 lights up immediately. IC […]

This is a simple and low cost dew sensor circuit that can be used to switch off any gadget automatically in case of excessive humidity. […]

This is the simple circuit of proximity infrared detector, proximity sensor based? infrared. The applications of this circuit are the most varied. From placing it […]

Here is the simple and low cost light alarm circuit built using timer IC 555 as the sound generator and a LDR to sense the […]

This is the circuit diagram of car parking guard based IR sensor to detect the distance between car bumper and garage wall. this circuit which […]

This is the electronic circuit diagram of aquarium temperature probe capable to monitor the temperature of water and indicate the rise in temperature through audio-visual […]

This is the circuit diagram of 230V automatic night lamp based photo resistor to sensing the light environment. When the condition is dark enough, the […]

This is the circuit diagram of Clap On / Off Switch. The circuit allows you to operate your lighting or any circuit device which use […]