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22 Feb 2011

In this video I explain what a transformer does and how it works.

What is a transformer and how does it work? - [Link]

22 Feb 2011

Peltier Coolers or Thermal Electric Coolers are used to make things hot or cold but have another cool use. Apply a heat source to one side and keep the other side cool and the Peltier generates electricity.

What is a Peltier Cooler? – [Link]

22 Feb 2011

A Breadboard is a must for the electronics experimenter type of person for experimenting activities.

How to Use an Electronic Breadboard – [Link]

22 Feb 2011

A diode is a one way valve for electricity or current flow.

What is a diode? – [Link]

21 Feb 2011

A potentiometer is a variable resistor used to resist electrical current.

What is a potentiometer? - [Link]

16 Feb 2011

blog.makezine.com writes:

It’s true – I love DACs. There’s something awesome about the role they play, translating information from one paradigm over to another form. Sure, you can pick up a precision DAC chip with serial interface for a little over a buck, but building a barebones version from a handful of resistors is a pretty dang sweet trick. If you’ve never built one, I do recommend it. Doing so has a way of demystifying all sorts of related circuits and processes.

Collin’s Lab: Digital to Analog Converter – [Link]

16 Feb 2011

The brief history and technology in capacitors by Jeri Ellsworth, this is part of A – Z of electronics series. You can view A and B here! [via]

C is for Capacitor – A to Z of Electronics - [Link]

29 Jan 2011

Jeri Ellsworth has produced the first two in a series of A to Z electronics videos, sponsored by Adafruit. Here are A is for Ampere and B is for Battery.

Ampere is a unit of measurement for current and was named after André-Marie Ampère. [via]

Jeri’s A to Z Electronics - [Link]

27 Jan 2011

Get acquainted with the Digital Multimeter – an engineer’s best friend! Learn how to measure resistance, voltage, current as well as test continuity using the Swiss Army knife of electronics.

MAKE presents: The Multimeter – [Link]

25 Jan 2011

blog.makezine.com writes:

Equations for electronics math are available anywhere. If you have the excellent Maker’s Notebook, with its reference section and a calculator, you can plug in numbers and get answers to many of your circuitry questions. So why learn to do such estimates in your head? Because thinking through questions gives you an intuitive feel for them. It helps you quickly sort and refine ideas before committing physical resources to them.

Math for electronics – [Link]





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