Build a light theremin into a musical noisemaker with Weekend Projects. This project combines a 555 timer, light-dependent resistor, LED, speaker, and some basic components into a battery-powered synth that's easy to assemble and fun to play.
As a young toddler, my son has zero interest in “baby” rattles but isn’t impressed by an Etch-A-Sketch or coloring yet.
This hack is easy and safe — use a 9V battery, vinegar, and salt to permanently etch designs on pots, pans, or any other metal surface you'd like to mark.
I modified a wireless doorbell system to turn on a light in addition to playing a tone.
Use a Raspberry Pi, camera, and free software to make a lockbox that opens only when it sees your mug.
Ever been looking for your keys, and wanted to call them, before you realize that they are hideously analog pieces of metal?
Turn a $35 mini-computer into a feature-rich language translator that not only supports voice recognition and native speaker playback, but is also capable of translating between thousands of language pairs.
A robot that can move in any direction immediately is useful for getting around tight spaces and for behaviors like chasing (or fleeing). No matter how fast an R/C car is, there’s no way it can catch something that can instantly go any direction, even sideways. Regular car-style robots can’t drive sideways, but omniwheel robots can!
Re-create the dry, highly hopped ale that quenched the British Empire.
When a key stick is removed, the entire structure flies apart.
There are a lot of CAD/CAM/and machine control software tools but we wanted to make one for everyone else that hasn't participated in milling yet. As a way to demonstrate the process the team at Inventables brainstormed and came up with the idea to make this bottle opener.
Transform 44 cable fasteners and a half-sheet of plywood into a streamlined lounge chair that’s perfect for the nomadic maker.
