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Monthly Archives: September 2015
Metal Wheels for Cheap Robots #makereducation
We love this money saving hack! Tutorial via JayWeeks on instructables. Especially useful for educators on a budget Whaaaaat? Another Cheap Robots tutorial? That’s right I’m back! And I’ve got an idea that I think you kiddies are really going … Continue reading
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How to use a Force Sensitive Resistor #makereducation
Great educational tutorial via codebender_cc on instructables. In this tutorial you will learn how to use an FSR – Force Sensitive Resistor with Arduino to fade an LED. This sensor is a variable resistor just like a photocell or flex … Continue reading
MacArthur Genius Grant Winner Makes Waste a Resource
Environmental engineer Kartik Chandran of Columbia University won a MacArthur Fellowship for his work on extracting nutrients and energy from wastewater and sewage. — Read more on ScientificAmerican.com from Scientific American: Technology http://ift.tt/1L2R5X7 via IFTTT
Charge Two Gadgets at Once With the Power of the Sun
Whether you spend a lot of time outdoors, or you just want to be prepared for an emergency, this 14W Anker solar panel can charge two USB gadgets at once using the power of the sun. $40 is the lowest … Continue reading
Drill bit sharpener #3DThursday #3DPrinting
mgx shares: I’ve researched dozens of existing approaches to drill bit sharpening but did not find one that I like. I like simple and utilitarian designs. This is one of those: a one-piece guide for sharpening drill bits on a … Continue reading
Mid-Priced Hardware Gets Serious About Software Defined Radio
Regular Hackaday readers are used to seeing the hacks that use a cheap USB TV dongle as a software defined radio (SDR). There’s plenty of software that will work with them including the excellent GNU Radio software. However, the hardware is pretty bare-bones. … Continue reading
Oculus Connect 2 Day One: Revisiting Lucky, Henry and Oculus Touch
Oculus’ annual developer conference is underway, and before the company tells us what’s new tomorrow, it’s giving us all a refresher course on some demos we’ve seen before. We have a few thoughts after Day One of Oculus Connect 2. … Continue reading
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‘Star Trek’ virtual tour will recreate every deck of the Enterprise
You’ve probably seen a few attempts at recreating worlds in game engines, but never at this level of detail. Artist Jason B is working on the Enterprise-D Construction Project, an Unreal Engine-based virtual tour that aims to reproduce all 42 … Continue reading
Google might announce a new Chromecast this month
Rumor has it a second-generation Google Chromecast will be available later this month. 9to5 Google reports it acquired internal Google documents detailing and updated video streaming dongle coming this month. Chromecast is an HDMI dongle that streams content from your … Continue reading
Dirt Cheap Concealable High-Gain Indoor 2-Meter Ham Antenna Project For Beginners
This is a fun, almost novice-level construction project for anyone who has a 2-meter ham radio walkie talkie (e.g., the $26 Baofeng UV-5) and would like more effective range without having to buy an amplifier. If you are currently using … Continue reading
Ed Hagopian 