HOW TO – Make a solar bike light
Nak writes “Modify a solar garden walkway light into a solar powered bike light that charges during day riding and can be turned on at night!” – Link.
Technology
Homemade crank radio
A MAKE reader writes in with a homemade Freeplay style radio – “Pinouts are described for the Motorola Freecharge, a battery pack with a hand crank for charging, and the hit clips radio cartridge. Solder power terminals from the freecharge to power in on the radio receiver, then solder the speaker terminals to speaker out […]
HOW TO – IR remote control your computer
Will shows you how to build an IR remote control interface for your PC, works with WinLirc and/or LIRC – Link.
Vapor phase change cooling
Chris writes “This project has been many months in the making and I finally had enough time to put this thing together. For those people that aren’t HVAC engineers, Phase Cooling involves using a refrigeration compressor to compress a gas till it changes phases to a liquid. This liquefied gas is then pumped into an […]
Cup Draw
Here’s a low tech drawing cup project, might be fun to make a few dozens of these and let them loose – “Diane once taught a class in which a young student came up with the idea of attaching pens and a motor to a cup. Diane liked how the pens work as “legs” for […]
Mavizen Blueye – MP3 cellular bridge
Spark Fun has the new Blueye Bluetooth MP3 cellular bridge with moddable firmware – “The Blueye from Mavizen connects via a wired connection to any MP3 player with a 3.5mm audio jack. The Blueye then wirelessly connects to your Bluetooth enabled cell phone. When an incoming call is detected, the music is muted and a […]
HOW TO – Create your own amazing Disco Bar
Thediscobar writes “Using MIT’s controller boards used for their Disco Dance Floor, I’ve created a computer controlled Disco Bar using 128 RGB LED’s, 250′ of cable, and a built in fridge! Learn how to make your own and impress your friends! Or if you just can’t wait, watch the final video of my bar in […]