HOW TO – Kayak bike trailer
Instructables user hypokampito made this clever support for towing a kayak behind a bicycle.
Instructables
DIY: Cheap Umbrella Stand
This might be a good quick fix when you need a second or third light source and you don’t want to buy another stand. It’s a really simple build that can make a big difference when it comes to lighting your work. Read more about making a Super Cheap Umbrella Stand
Dot matrix business card
Tom Ward, whose work will appear in The Best of Instructables book we’re currently editing, has just posted an awesome new “extreme business card.” It uses a matrix of 5×15 0603 LEDs driven by a PIC16F57 MCU. He says you can get the parts cost down to about $5 each in quantity. Not the kind […]
A simple Marx Generator
You may think a Marx Generator is a device for spitting out strident communist rhetoric, but it’s actually a type of high-voltage circuit for spitting out HV pulses. This is probably one to put in the “Don’t Try this at Home” or “Touch = Die” file as we are dealing with current here that can […]
Burning Man Instructables round-up
Instructables has put together a round-up of Instructables related to Burning Man, from general tips to shelter and what to wear, to fun things to do. Burning Man How-Tos, Costumes, Bikes, and Tips & Tricks
HOW NOT TO – conceal your identity with IR LEDs
Randy shares documentation of his experiments using infrared LEDs to prevent cameras from recording his facial identity. The verdict – it no worky (at least with any of the LEDs tested) – How not to block cameras More: – IR LED glasses (anti-paparazzi) – LED security camera disruptor on Hackszine
HOW TO – diffuse CFLs beautifully
Here’s a neat instructable by user sjolly which combines compact fluorescent light bulbs with a modular lampshade design. He writes: We recently installed new compact fluorescent light bulbs (CFLs) in our workspace. They use less energy and last longer, but they’re painfully bright…so I adapted Dan’s Instructable for CFLs using heat resistant photo gels. This […]
