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Chison Ultrasound ProbeThis two part video introduces you to the breadboard, also called a protoboard, used to build electronic circuits without soldering. The first part of this presentation describes the features of a breadboard.

The second video continues by showing you how a breadboard is used to build electronic circuits without soldering, by guiding you through 10 steps to build a blinking LED circuit based on the 555 IC timer chip. The circuit also needs 3 resistors, 1k, 4.7k, and 10k. It also requires a 10 uF electrolytic capacitor, an LED, some jumper wires, and a 6 volt battery or power supply.

If you looking to see if you working with a live, dead, or leaking capacitor, this video is just what you need. You want to have a multimeter and you need to remember: capacitors can be dangerous things. They hold and release electricity very rapidly, so you can get shocked or electrocuted if you don exercise caution.

A starter capacitor is used to start motors, and the easiest way to test a starter capacitor is with a multi meter. Find out why any capacitor is a potentially dangerous device with help from an auto mechanic in this free video on auto part testing.