This tutorial will take you through the basics of wiring circuits on a breadboard from a schematic. ... more.

This video covers the basics of linear voltage regulators - what they do, how to wire them up, and where to find them. Then I give a basic example of how to build a 5V supply that can be used to power USB powered gadgets. ... more.

Watch and learn to make yourself clap ON OFF Circuit ... more.

A tutorial on op-amp comparators, and a demo circuit that lights up an LED when the sound volume reaches a preset threshold. ... more.

How to design a simple transistor circuit that will allow microcontrollers or other small signal sources to control low-power actuators such as solenoid valves, motors, etc. ... more.