Turning Stolen Joules Into Shining Jewels With Weekend Projects
Our latest Weekend Project is both fashionable and fun. Combine a solar battery with a “joule thief” and make a Solar Joule Bracelet!
Our latest Weekend Project is both fashionable and fun. Combine a solar battery with a “joule thief” and make a Solar Joule Bracelet!
James Bruton of Southampton, UK, wrote in to share his dollar store (or 99p store in the UK!) Arc Reactor — it looks great! Since I’m building an entire Iron Man suit, I decided that I should really build an Arc Reactor prop. This is intended to be like the Arc Reactor in the original […]
NASA JPL researchers present a 250-mm diameter omni-directional anchor that uses an array of claws with suspension flexures, called microspines, designed to grip rocks on the surfaces of asteroids and comets and to grip the cliff faces and lava tubes of Mars. [via Techland; thanks Bigpaws!]
Here’s a fun Android Breathalyzer prototype using the IOIO board, a Seeed alcohol sensor and Li-po Rider power module, and a Li-po battery inside an Altoid tin.
I was at my prosthodontist’s office the other day getting some work done and the conversation turned to what I do for work. I told my dentist, Vu Huynh, DMD that I worked as a Web Producer for MAKE magazine. He almost dropped the cheek clamps (not a real thing…). He’s a subscriber and a […]
Alan Chatham of Unojoy wrote an Instructable on using pencil drawings as capacitive sensors: Did you know? You can make pencil drawings reactive to touch for use with your projects! It’s really easy, and gives you a lot of flexibility in making interfaces for whatever microcontroller project you’re making. Making a capacitive touch sensor from […]
David Moisan hacked up his own NTP-synchronized clock from a #Twatch, the ethernet-enabled LCD backpack from our friends at Dangerous Prototypes. Head over to David’s blog to check out the code and the incredibly thorough manual he wrote for the project.