Generating high-quality sine waves with Arduino
Need to generate a high-quality sine wave using an Arduino? The folks over at Lab3 explain how it’s done with their Arduino DDS Sinewave Generator.
Month: November 2009
Downloadable Felt Toadstool Ornament Pattern
These adorable little felt toadstools are a free pattern excerpt from the new digital book, Fa La La La Felt, from Lark Books. The book has more than 45 felt projects for the holiday, including more ornaments, stockings and decor, and is available for purchase through Zinio. [via The Long Thread]
Hardware is hard – The End Of The CrunchPad
The CrunchPad, named Popular Mechanic’s 10 most brilliant products of the year (although it never came out) is not happening. Mike writes – The entire project self destructed over nothing more than greed, jealousy and miscommunication… I’m enraged, embarrassed, and just…sad. I bet there’s more to this story… Here’s what Ladyada who makes hardware thinks… […]
How-To: Add Adjustable Elastic to Kids’ Pants
Julie-K shows you how to add adjustable elastic to kids’ pants in 5 easy steps. So perfect when you have a tall kid like I do. You don’t even need a sewing machine for this technique either!
Collin’s Lab: Infrared heart sensor
After checking out a few projects involving IR heart monitors, I decided to have a go at the interface myself. Seen above are the results of my first experimentation with pulse oximetry. Getting the setup up and running satisfactorily required a bit more time and tinkering than I’d expected – especially after reversing a premature […]
Weekend Project: Rubber Band Power
Build a fun-for-all-ages mini car launcher for next to nothing. Thanks go to Nancy Dorsner for the original article in MAKE, Volume 20. To download The Rubber Band Power video click here and subscribe in iTunes. Check out the complete Rubber Band Power article in MAKE, Volume 20 and you can see that in our […]
Weekend Project: Rubber Band Power (PDF)
Build a fun-for-all-ages mini car launcher for next to nothing. Thanks go to Nancy Dorsner for the original article in MAKE, Volume 20. View the PDF of this project. and then subscribe to MAKE Magazine for other great projects you can do over the weekend.
