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Food growing is one of my favorite hobbies because I am a big fan of organic foods and healthy eating. This Instructable will show you how to build an LED grow light with red/blue brightness controls to suit your growing needs and allow you to experiment. LED grow lights are a fairly new method of growing plants. They are very efficient because they produce only the...
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Tekla Labs Wants To Help You Print Your Own Lab
By Julia Seaman, PCWorld Apr 4, 2012 6:00 PM
A few members of the Tekla Labs team get together to build a Magnetic Stirrer.
Schools play a vital role in expanding scientific knowledge. But a lack of teachers, budgets cuts, and teenage clumsiness have prevented many schools from updating--or even obtaining--basic lab equipment for...
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This Instructable written by MAKE’s Tim Anderson, documenting the process of Chinese lifetime gourd craftsman Zhang Cairi, focuses on growing gourds into molds shaped to produce portrait busts. But it could be generalized to grow pretty much any hollow form. A speaker horn? A flashlight body? An enclosure for an Arduino or other PCB? A robot chassis?
The master is sculpted in clay, then...
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The final design sketch and built prototype
Coming on the heels of the year anniversary of the Japanese Tohoku-Oki earthquake, Bunnie Huang, a member of the MAKE Tech Advisory Board, tasked himself with designing a civilian-friendly Geiger counter. He was inspired by the efforts of Safecast, an organization whose goal is to build an open sensor network that aggregates trustable,...
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Not a physical product, of course, but a physible one, consisting of almost eighty free 3D models from anonymous designers at the Free Art and Technology collective :
The Free Universal Construction Kit offers adapters between Lego, Duplo, Fischertechnik, Gears! Gears! Gears!, K’Nex, Krinkles (Bristle Blocks), Lincoln Logs, Tinkertoys, Zome, and Zoob. Our adapters can be downloaded from...
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We’ve long been able to get Arduino and Android to talk to each other over Bluetooth (for example, see the Android Controlled 3D Printed Slalombot), but doing that with an iOS device has required you to be enrolled in Apple’s MFi program or you to jailbreak your device.
That seems to have changed with the addition of Bluetooth 4.0′s “Bluetooth Smart Ready devices”. Alasdair Allan...
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When it comes to power tools, bigger is sometimes better, but not when you’re looking to drill a few holes for a project and find that your drill is too large or unwieldy to accomplish the task. This often happens when you need to drill holes inside an enclosure, drawer, cabinet, or other tight quarters.
Right angle drills and drivers can be used in projects where ordinary drills just...
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Rick Pannen designed the case for his iPhone-mountable Geiger counter in FreeCAD, milled it out of a solid block of polyoxymethylene (aka “acetal”), and loaded it with a custom-milled PCB and a surplus SI-29BG Russian Geiger-Müller tube from eBay. The circuit itself was designed by BroHogan of DIYGeigerCounter, and it interfaces with the phone through the audio jack. The software is...
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We’ve covered some neat high speed photography projects in the past (some which use Arduino) and here’s another awesome project to add to our collection. The device above triggers a camera when a certain magnitude of sound is captured. It has adjustable sensitivity for precision captures.
The unit is designed around a PIC microcontroller and also features an adjustable delay to set...
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Two years ago we designed an interactive exhibit of Conway's Game of Life for the San Jose Museum of Art. The hardware that we used for that project eventually became the basis for our Octolively interactive LED kits.
We've recently had occasion to revisit our Game of Life project, and to build an all-new version of the museum exhibit. Along the way, we've rewritten the firmware...
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