Laptop / Notebook Protector

This is laptop / notebook protector circuit to protect your laptop or notebook or netbook from being stolen. Fixed in-side…

55 years ago

Adjustable Symmetric 1 to 24VDC, 1A Power Supply

This is the circuit diagram of adjustable symmetric 1 to 24VDC, 1A Power Supply. This power supply give dual output…

55 years ago

Static Circuit Breaker / RFI Eliminator

This is the circuit diagram of Static Circuit Breaker.  Many a times you must have heard an undesired sharp sound…

55 years ago

Speaker Protection Circuit (Stereo)

This is the speaker protection circuit, provides stereo speaker protection and prevents switch-on clicks and DC components on the output…

55 years ago

Digital Tachometer / RPM Meter

This is the circuit diagram of Digital Tachometer / Digital RPM Meter which can be used for cars or motorcycles…

55 years ago

Digital DC Voltmeter based ICL7107 Chip

Here is the schematic diagram of digital DC voltmeter built based IC ICL7107. The power supply for this circuit is…

55 years ago

230V Automatic Night Lamp

This is the circuit diagram of 230V automatic night lamp based photo resistor to sensing the light environment. When the…

55 years ago

Clap On / Off Switch

This is the circuit diagram of Clap On / Off Switch. The circuit allows you to operate your lighting or…

55 years ago

Traffic Baton with Bulb or LED Flasher

This is the traffic baton circuit which available in two versions that are traffic baton with LED flasher and traffic…

55 years ago