Sequential Pattern ANSI Standards Tutorial

The source connection is tapped into the tuning coil low down, as a means of impedance matching...

This circuit will flash a super-bright LED (5000+ mcd). Good for fake car alarm or other...

In this circuit the 555 Timer IC is connected as a astable multivibator and a 12 volt relay is...

This article gives the FM transmitter circuit schematics with necessary explanation. The main...

C1=1000 Micro Farad aluminum electrolytic capacitor (For loads less than 100mA you can sustitute...

This is a vocational training report on Ultrasonic Proximity Detector undertaken under at Bharat...

The two unspecified polarized capacitors (one directly above the transformer and one directly to...

This is the sequence timer diagram composed by NE555. The timer can set time any time when the...

At this point you whistle into the receiver and the Infinity Bug will pick up the line. The...

The Haynes manuals is extremely confusing regarding the labeling of the relays on Spitfires. The...

Vacuum-tube or electronic voltmeters make use of some of the unique characteristics of electron...

As shown in the timer 555 is triggered by the positive trigger pulse, then a negative output...