This is LED emergency light that will turned on automatically when mains supply fails, and turned off when mains power…
This is the ultrasonic distance detector or sonar ranging system which can be used for general purpose. There are kit…
This is laptop / notebook protector circuit to protect your laptop or notebook or netbook from being stolen. Fixed in-side…
This is the circuit diagram of adjustable symmetric 1 to 24VDC, 1A Power Supply. This power supply give dual output…
This is the circuit diagram of Static Circuit Breaker. Many a times you must have heard an undesired sharp sound…
This is the speaker protection circuit, provides stereo speaker protection and prevents switch-on clicks and DC components on the output…
This is the circuit diagram of Digital Tachometer / Digital RPM Meter which can be used for cars or motorcycles…
Here is the schematic diagram of digital DC voltmeter built based IC ICL7107. The power supply for this circuit is…
This is the circuit diagram of 230V automatic night lamp based photo resistor to sensing the light environment. When the…
This is the circuit diagram of Clap On / Off Switch. The circuit allows you to operate your lighting or…