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May 12, 2015

Turning On the Kettle with your Phone

Why do light bulbs, furnaces, outlets and even automated blinds get all the home automation love? Won’t somebody think of the kettle!? How are we suppose to ensure tea-time is always a button click away? Tired of his lack of options for remotely controlling his kettle, [FatCookies] decided to make his own WiFi enabled kettle.

He started by ripping up an old power supply enclosure he had lying around, and it happened to be just big enough for a Raspberry Pi. He then added a 2-way relay board designed for handling mains voltage at a high amperage — quite necessary …read more



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DIY AC for the Hot Shop

Working out in the shop is usually super fun but if it’s summertime, watch out, it can get hot! We’ve all been there and we’ve all wished we could do something about it. Well, woodworker and general DIYer [April] has stepped up to the plate and built a portable low-buck AC unit to cool her shop down to an acceptable temperature.

The unit is very simple and starts off with an old thrift store cooler. A hole is cut in the back of the cooler to make room for a fan that is directed to blow air inside the cooler …read more



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DIY Concrete Mixing Wheelbarrow Made from Recycled Parts

[Dan] had a bunch of concrete mixing to do. Sure, it was possible to stand there and mix concrete and water in a wheelbarrow for hours and hours but that sounds like a tedious task. Instead, [Dan] looked around the shop to see if he had parts available to make a concrete mixer. As you may have guessed, he did. Instead of stopping at just a concrete mixer, he decided to make a concrete mixing wheelbarrow!

The frame is built out of plywood left over from a past canoe project. The frame holds a mixing barrel that was also hanging …read more



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May 6, 2015

Pocket Voltage Supply: A USB Powered Variable Voltage Supply

The Pocket Voltage Supply plugs into any 5V USB hub & allows the user to output 5V,3.3V,2.5V,1.8V,&1.5V. Use it for all your projects! The Pocket Voltage Supply is a USB powered variable voltage supply. It can be powered with any 5V USB hub and can supply up to 1.5A. 5V USB hubs can be found […]

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May 5, 2015

Gerber Multi-Tool "Covert Entry" Tool mod

This instructable is about installing a small lock picking tool selection into a common military issued Gerber Multi-Tool. The reason I made this is because there was a file that had broken off of my Multi-Tool a long time ago (that I never used anyways) so I thought I would install a more useful to...
By: ksnewells

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Machining A Tailstock Die Holder For The Sherline Lathe

The Sherline Lathe would have to be one of the best value tools I have in my shop. It is incredibly versatile, very accurate, and well priced. Sherline also have an excellent 'open source' approach to the way customers can access their products. Every single part, no matter how small, is available f...
By: Clickspring

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Make your own Sanding Mop

I made this sanding mop for my drillpress and it works great !You can use it for sanding small projects and to made sharp edges smooth.Hope you injoy it What you need: 1. Abrasive cloth or old beltsander belts2. Piece of 6 mm plywood3. Clamps4. Nuts and Bolts and washers M125. Scrollsaw / jigsaw6...
By: hboom

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May 4, 2015

Arduino Bike Speedometer

by amandaghassaei instructables.com: Monitor your road speed using the Arduino. This project uses a magnetic switch (also called a reed switch) to measure the speed of one of the bike’s wheels. The Arduino calculates the mph, and send this information out to the LCD screen on the handlebars as you ride. It is compatible with […]

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RS232 – MAX232 Interface Module

This project provides you a simple and easy solution to connect / convert your Microcontroller input/output to be connected to the serial port of the Computer. This projects build around popular MAX232 level shifter IC to do the Level Shifting (Voltage) between 5 V and 12 V DC. An Onboard 9 pin female “D” connects […]

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GSM based SMS Alert Fire Alarm System using Arduino

by jojo @ circuitstoday.com Recently we have learned how to interface GSM Module with Arduino and send/receive SMS using GSM module. Interfacing any device with a micro controller is the first step to building a useful system or project with that particular device. In this tutorial, we are going to build a very interesting project – a […]

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Complete DIY Raspberry Pi Weather Station with Software

by kkingsbury @ instructables.com: Back in late February I saw this post on the Raspberry Pi site. http://ift.tt/1Cd49AD They had created Raspberry Pi Weather Stations for Schools. I totally wanted one! But at that time (and I believe still as of writing this) they are not publicly available (you need to be in a select group […]

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How to find your car in a parking lot

The easiest way it to use smart phone with GPS locator. When you park, simply record your location and when you need to find it use navigator which guides you to its place. If you don’t have such phone and want to build one, follow msuzuki777 instructable where he builds … Continue reading

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Experimenting with Arduino based low speed BLDC control

Common hobby BLDC motors are meant to run on relatively high speeds. Take any plane, quadcopter or boat – low speeds aren’t required here. For high speed rotations BLDC drivers rely on back-EMF (or Hall-sensor) to sense rotation speed. Berryjam decided to see how slow he can run those motors … Continue reading

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Camera harvests energy through its sensing elements

There is long known fact that diode can be used in reverse mode to generate small current when placed on a light. Computer scientists at Columbia University thought that this phenomenon could be used for dual purpose – harvest energy and take images. They constructed 30×40 array of diode pixels … Continue reading

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3 Weird and Wonderful Raspberry Pi Innovations

The Raspberry Pi is one of the most acclaimed inventions of our days – a credit card sized computer with the potential to improve our lives in an incredible variety of ways, and educate a whole new generation of hardware and software engineers. In honor of the recent Pi Day … Continue reading

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