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Equipment Needed to Get “Started” in Electronics

[Kenneth] is a Mechanical Engineer who likes to dabble in electronics. Besides providing us with an excellent picture of his workbench, he has put together a list of things that you’ll need as you...

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Electronics lessons for beginners

Hackaday reader [grenadier] wrote in to share a series of tutorials he is working on, where he discusses the basics of electricity and electronics. The first lesson titled, What is Electricity?” has...

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Electronics tutorial two-fer: soldering skills and wires

There is a plethora of electronics tutorials scattered about online. Sometimes it can be hard to separate the good ones from the bad, and the enlightening from the misinformed. We recently came across...

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Circuit Playground – An electronics reference app from Adafruit

It’s not everyday that we review software around here, but the folks at Adafruit recently put together an iOS app that I figured might be of interest. Their iPad/iPhone compatible application is...

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ElectroDroid – your Android electronic reference app

Earlier this week, fellow Hack a Day-er [Mike Nathan] reviewed Adafruit’s new iPhone/iPad app Circuit Playground. The comments on [Mike]‘s review turned to suggesting ElectroDroid as an alternative to...

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Printing point-to-point circuits on a 3D printer

[CarryTheWhat] put up an Instructable on his endeavours in printing circuit boards for solder free electronics. He managed to print a flashlight where the only non-printed parts are a pair of...

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Electromagnetic Field Camp

Emf Electromagnetic Field Camp is a three-day camping festival for people with an inquisitive mind or an interest in making things: hackers, geeks, scientists, engineers, artists, and crafters. There...

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A Much More DYI Air Gap Flash Unit

In reaction to the other air gap flash unit we featured a few days ago, [Eirik] sent us a tip about another one he recently made. In his setup, the duration of the flash peak intensity is around 300ns...

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Shopping Trolley is Wired for Camp

[James] needed some cool transportation for the upcoming Easter Camp in New Zealand, so he created a custom motorized shopping trolley that is sure to turn heads. The base of this project is a...

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Impersonating FBI Agents And People Who Can Solder

[Dale Botkin], [N0XAS], is a competent designer for the amateur radio crowd and has a part-time business on the side selling a few kits. As anyone who owns a business, works in retail, or simply...

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Hot or Not? Find Out How to Calculate Component Heat and Why You Should

How hot are your key components getting? There’s a good chance you’ve built a project and thought: “Well I guess I better slap a heat sink in there to be safe”. But when working on a more refined...

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Hackaday Links: May 4, 2014

We’ve seen a few builds from the Flite Test guys before, like a literal flying toaster, airsoft guns mounted to planes, and giving an electric plane an afterburner (that actually produced a little...

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Custom Nixie Tube PSU is a Lesson in Good PCB Design

[Jan Rychter] was sick and tired of not being able to find the right power supply for his Nixie tube projects, so he decided to design his own. [Jan] started out designing around the MAX1771 (PDF)...

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Solderless Noise-o-Tron Kit Makes Noise at Chicago Makerfaire

Anyone who’s manned a hackerspace booth at an event knows how difficult it can be to describe to people what a hackerspace is. No matter what words you use to describe it, nothing really seems to do...

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THP Hacker Bio: Rusty Jehangir

[Rusty]‘s project for the Hackaday Prize is extremely ambitious. He’s planning on sending an autonomous craft across the ocean, from LA to Hawaii, a distance that will end up being well over 2,500...

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MacGyvered Optoisolator is a Great Introduction

Sometimes the best way to learn about a technology is to just build something yourself. That’s what [Dan] did with his DIY optoisolator. The purpose of an optoisolator is to allow two electrical...

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Inexpensive AVR Programmer Made From Five Components

If you want to program an AVR chip as inexpensively as possible, then [Ian's] solution might just be for you. He built an AVR programmer using only four components. This design is based on the vusbtiny...

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Solar Powered Circuit Waters Your Plants

  If you want your plants to stay healthy, you need to make sure they stay watered. [Dimbit] decided to build his own solar powered circuit to help automatically keep his plants healthy. Like many...

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Direct Digital Synthesis (DDS) Explained by [Bil Herd]

One of the acronyms you may hear thrown around is DDS which stands for Direct Digital Synthesis. DDS can be as simple as taking a digital value — a collection of ones and zeroes — and processing it...

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Never Forget Your USB Stick Again

USB sticks are very handy. They are a very portable and relatively inexpensive means of storing data. Possibly the most annoying part about using one of these devices is when you inevitable leave it...

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