Free Circuit Diagram

Building electronic circuit tutorial (DIY: do it yourself project) is presented in this video. You can learn the basics about schematics and how they are used in electronics in this free home maintenance video.

Metronome is very important tool if you studying music playing. There are mechanical metronome device in the past, but today, electronic metronome is much more popular since it can be very simple, compact/small, reliable, and also has the most interesting feature: cheap. Here is one example of the electronic metronome schematic: Parts: [...]

It would be cool and elegant to a have mechanical sound character for our electronic metronome. This electronic metronome circuit will produce such sound, making your life more fun. Here is schematic diagram of the circuit: The metronome circuit consists of two 555 oscillators. The first oscillator is used to make high frequency [...]

How to solder a resistor to PCB is presented in this video tutorial, get expert tips and advice from an expert on how to solder electronic equipment in this free instructional video. Expert: Jeff Nayl…

This is a video tutorial about breadboard. This video shows how to make a simple circuit on the breadboard. In this video, the circuit that is build on the breadboard is a simple LED light circuit. It require a LED light, a resistor and two cable. Here is the video : The [...]

This video is tutorial how to use oscilloscope. This video shows how to use the oscilloscope. The first thing to do is prepare the probe, the simulator generator and the simple circuit. And then turn on the oscilloscope and calibrate the oscilloscope. From the oscilloscope we can obtain some information, such as the voltage of [...]