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Welding Gloves That Live Forever
Brilliant! I'll have to remember to throw a 12V adapter in my pocket as well as a 9V—I get a lot of nearly-new batteries from tools I repair at work and always get brand new batteries even if the old ones are still good.
The Smart, Stealth LED Blinkenlight
Yes ... exactly. The picture in step 7 sure made it look like the top loop was taut when it was actually more slack than the second, knotted row. I'm sure I could make my knots look tidier, but for now they're tied and release easy enough. Whew!
I feel like I'm either amazingly stupid or have been tricked ... I can't figure out how to make the final knot/bow stay in place. I'm using low canvas walking shoes, and once I get it all knotted, my foot flexes against the top part that pulls the top two eyelets apart and that loosens the knot. I finally gave up and just re-laced them how I always did ... :(
Glowing Tool Handles
I have read that the sensors are corroded by electrolysis, so if you only apply power when doing a reading (e.g. using a free pin to turn on the moisture sensor) the sensor will last a long time. As a bonus, it'll save energy—important if you're electricity supply is fairly limited (e.g. batteries; remote solar-powered moisture sensor).
I went a different route and used a gravity-fed water bucket with valves to each individual plant since each one was different in different sized pots. I was in a bit of a rush and didn't add an option for moisture sensing. So yours has the advantage of moisture sensing but the disadvantage of collective watering, and mine's the opposite! :)I also looked into LED lights but thought the evidence wasn't conclusive, especially given the very specific wavelengths involved and the sheer amount of light power you need. So I went with long-life, high-efficiency T8 fluorescent bulbs: 2 cool white and 2 warm white for a total of 12,000 lumens and 128 watts.
How To Make Your Own Sugru Substitute
Make an Evaporative Terra Cotta Beer Chiller
The Free Things Box
transparent gearbox on a homemade bicycle
Candle-Powered Electric Candle
mac and cheese
How to Make 'Moss Graffiti'
Brake drum blacksmith forge
Volcano Picnic Plate
The Pocket-Sized, Clip-On, Rear-View Mirror
Copy Stand - Cheap and easy to build
Replace the DC plug on an Apple iBook silver "yo-yo" power adapter.
Large portable wood gasifier stove
Lenz2 wind turbine
Minimalist Running Sandals (Huaraches)
Waterproof Dryer Lint Fire-Starter
Sand Fire Garden
DPScope - Build Your Own USB/PC-Based Oscilloscope
MagSafe for the Rest of Us: A DIY Magnetic Power Adaptor
How to build a Sami hut in wood!
DIY Flexible Printed Circuits
Sponge + Ferric Chloride Method -- Etch PCBs in One Minute!
Stop using Ferric Chloride etchant! (A better etching solution.)
Beneficial Bug Houses
Convince yourself to just use a 12V-to-AC-line inverter for LED light strings instead of rewiring them for 12V.
Or: How I Learned to Stop Worrying and Love Eric Wilhelm
How to carve a shrink cup
Almost jigless bicycle frame building
How to recover an old bicycle seat
Camera Mouth Holder
Make a Wide Sturdy Handle With The Portuguese Sinnet
How to make your own LED lightbulbs
How to make a racing lawn mower (Updated!)
How to make a bike headset press & install a headset
Build a foundry and sand-cast aluminum.
Charge Your Cellphone Using Wasted Heat (and Build a Steampunk Wall-E)
Sharpen Your Drill Bits
foot operated computer mouse
Easy to Build Desk Top 3 Axis CNC Milling Machine
Gray-B-Gon wind-powered evapotron for graywater disposal
Chuck's No Weld Recumbent Bike
The SkyWalker TallBike Project
Front-Wheel-Drive Center-Steer Semi-Recumbent Bicycle
Iron age shoes (previous 'viking shoes')
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