Homemade air conditioner
Here’s another homemade air conditioner using an old fan, copper tubing and cooler with ice water – Link. Previous: Other homemade air conditioners – Link.
Month: July 2006
LED Architecture
Wired has a round up of impressive uses of LEDs in architecture, pictured here the Crown Fountains at Chicago’s Millennium Park – “Light-emitting diodes, or LEDs, are reinventing the look and feel of skylines, bridges, facades and other architectural surfaces around the globe. The light bulb is being unscrewed by energy-efficient LEDs that are both […]
HOW TO – Make your own kaleidoscope
Here’s how to make your own kaleidoscope from Popular Science, 1944 – Link.
“GP-Bot” Robot project
Here’s Jay’s general purpose robot platform made from a Power Wheels Jeep – Link.
DIY amp gallery
Sijosae’s DIY amp gallery, over 70! [via] – Thanks Simon! Link. Related: Want to make your own? Mint-Tin Amp – Pocket amplifier punches up headphones. MAKE 04 – Page 131 (log in).
HOW TO – Make an electronic detonator
Tetranitrate writes – “This project describes how to build a simple, safe, and reliable electronic detonator. All the parts should total under 25$, and all but one of the parts can be bought at radio shack. This detonator includes numerous safety features such as a detachable power supply, an ARM switch, and an indicator light.” […]
DIY Pillow speaker
Hack124x768 writes – “A $2 DIY replacement of an $8 radio shack toy. Listen to music in bed without uncomfortable headphones! Free mints too!” – Link.