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You can do a lot with a Raspberry Pi even if you limit yourself to what comes on the board. But if you’re willing and able to learn how to use the Pi’s general-purpose input/output pins — or GPIO pins, for short — then you’ll be able to do so much more. If you’re new […]
I’ve come to realize over the years that there are four phases people can be in during their career. These phases define your chances of success within an organization and what your long term career outlook will be. What ultimately makes or breaks a career or at the very least can dramatically limit your career […]
Many of you may not be familiar with just how handy a multimeter can be! A multimeter is a handy electronics meter that test voltage, resistance, and continuity in its most basic form. More advanced multimeters can even measure capacitance and temperature. In this tutorial, we’re going learn the basics of how to use a […]
In a previous article, I showed you how to make a battery out of a potato. What we learned is that the potato doesn’t make the electricity, but rather a chemical reaction between the copper and zinc do, and all they need is an electrolyte between them. In this tutorial we’re going to learn how […]
Making a potato battery is a great learning exercise that everyone getting into electronics should investigate! A potato battery is one of the first science experiments most school children do. It’s a great way to explain how batteries work and how the fundamentals of batteries and electrolytes work with electrodes in the creation of electricity. […]
The parts list for this and other projects can be found at TheGeekPub.com. In order to make the faucet appear to be oozing, we need to remove the rubber section from our pacifier. I first tried cutting it with a pair of dikes, but that didn’t work very well. However, I realized simply squeezing the […]
Fun things to do with CO2 Cartridges Sometimes you have a problem that needs solving. Sometimes you have something that’s looking for a problem! In my case I am constantly shooting aluminum cans full of BBs and pellets, and have a pile of CO2 cartridges left over. My local trash service will not accept them […]
How to make Magic Sand Magic sand is awesome. It’s one of those things that’s just sort of mesmerizing to witness. Sand that is somehow waterproof! Sand that refuses to get wet! If you didn’t see water proof magic sand when you were a kid in school, well I hate to say it. Your science […]
There’s nothing more frustrating than to want to have a glass of wine when the bottle has yet to be chilled. What do you do? Add ice to it? That works but it leaves your wine watered down. Heres a better idea. Get some grapes, put them in a bowl and then keep them in […]
How to make the Mini Fog Machine There are so many possible uses for a mini fog machine. From Halloween props and decorations to school plays. A mini fog machine is a simple build that can make all of the difference in how your set turns out! Feel free to customize this design. […]