Most people have to keep track of at least a few keys.
Do you know a kid that likes to pretend that they are a wizard or a fairy princess? How would you like to give them a toy wand that can turn on/off electronic devices like magic?
What do you do if the power is out and you need to charge your cell phone to make an emergency phone call?
Operation is a game that lets you test your hand-eye coordination by removing a variety of ailment tokens from a cartoon patient without touching the metal sides of each slot.
We are all familiar with the traditional garden path lights.
Last year I assembled a “Light Brick” kit (MAKE Magazine #18, https://makezine.com/18/lightbrick/).
Bored of your favorite Twitter client ? No problem, here’s the solution! In this project we are going to explain how to control the awesome WowWee Robosapien with a wirelessly connected Arduino to trigger some actions on the robot through a specific Twitter hashtag.
Got TVs? Here are 3 fun hacks to liven up parties.
The principle behind this scanner is the typical of a line scanner. A laser beam intercepts the object to be measured and a camera, positioned at a known angle and distance shoots a series of images. With some trigonometry considerations and optic laws it is relatively easy to reconstruct the Zeta dimension, the measurement of the distance between the object and the camera.
How to use solar panels to supplement your home or workshop electricity needs.
Charlieplexing is an ingenius method for controlling many LEDs without using many microcontroller pins.
Build a classic spark-gap coil that can draw 15" arcs without pricey commercial caps.
