Bag mod for bike locks
Here’s a clever mod for any bag so you can carry a bike U-lock – Link.
DIY Projects
HOW TO – Measure Salt level in your water softener
Cocoontech writes “This How-To will show you how you can use a Maxbotix Ultrasonic Sensor to measure the salt level in your water softener. It also explains how to use this data in a home automation environment with touch screens.” – Link.
LED POV helmet
MAKE Flickr photo pool member Elemenoh writes “This is my “Light Emitting Diode Persistence of Vision Helmet”. I made it for my Gizmology class this semester. On the end of the black arm is a vertical row of 8 red LEDs that are attached to a chip which controls the rate at which they flash. […]
Papercone record player
Here’s a really cool paper cone record player from Simon Elvins – “To play the record the handle needs to be turned in a clockwise direction at a steady 331/3 rpm. The paper cone then acts as a pick up and amplifies the sound enough to make it audible. “ [via] – Link.
Nerf Gun mods
Barnes writes “Nerf guns are not just for kids any more. In this how-to, you will learn how to make home made darts, modfy your nerf gun, and convert a watergun to shoot nerf darts. Mod a few guns, call up the friends, and shoot each other like your 10 again!” – Link.
Close ups with a digital camera
Rob took some photos through a microscope (without an adaptor) based on that post we had here – not bad! – Link.
Take digital photos through a microscope without any special lens or adapter
Nickp writes “You can use an ordinary digital camera to take pictures through a telescope or microscope, without any special adapters or lenses. The secret is to use “macro mode”, a feature nearly all cameras have nowadays. It’s intended to take closeup pictures of things only a few inches away from the lens, but since […]