Oscar Lopez II

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Component of the Month: Transformer

November is Transformer month, and we’ll be featuring blog posts about those handy components used for transforming voltage. The following is an excerpt from Charles Platt’s definitive Encyclopedia of Electronic Components, Vol. 1:<p>What It Does<p>A transformer requires an input of alternating current …

Weekend Project: Electric Cigar Box Guitar (PDF)

Build your own 3-string, electrified cigar box guitar and make some sweet sounds.<br>Thanks go to Ed Vogel for the original article in MAKE, Volume 04.<br>View the PDF of this project. and then subscribe to MAKE Magazine for other great projects<br>you can do over the weekend.

Component of the Month: Relays

<i>Each month this year, we’re exploring a different electronic component, delving into what it is, how it works, and how you use it in projects. Last month we covered transistors, and before that we looked at capacitors, LEDs and diodes. This month we examine relays! As always, we’ll start things off</i> …

Component of the Month: The Transistor

<i>Each month this year, we’re exploring a different electronic component, delving into what it is, how it works, and how you use it in projects. Last month we covered capacitors, and before that we looked at LEDs and diodes. This month we examine tranistors! As always, we’ll start things off with an</i> …

Component of the Month: The Capacitor

I’m super excited for this month’s component: the capacitor! It’s an electronic component that stores a small amount of energy in an electrical field. Caps make up a very diverse family of components! As usual, we start off our coverage with an excerpt from Charles Platt’s stellar Encyclopedia of …

Component of the Month: Op Amps

<i>Each month this year, we’re exploring a different electronic component, delving into what it is, how it works, and how you use it in projects. Last month we covered resistors, and before that we looked at batteries. This month we examine operational amplifiers, often called op amps.</i><p>An op amp is an …

Component of the Month: Resistors

<i>Each month this year, we’re exploring a different electronic component, delving into what it is, how it works, and how you use it in projects. Last month we looked at batteries. This month, we’ll tackle the resistor, the job of which is to limit the flow of electricity and thereby control it,</i> …

Component of the Month: Batteries

<i>Each month this year, we’re exploring a different electronic component, delving into what it is, how it works, and how you use it in projects. Last month we looked at the good ol’ switch. This month, it’s the battery, that portable power house that provides the electronic nutrition circuits need to</i> …

Component of the Month: The Switch

Switches are a fundamental electronic component, they come in a variety of styles and configurations, and they have many different uses. From turning on a light to controlling a robotic arm, switches are the ideal control mechanism. At the physical layer, switches control the flow of information on …