Have you ever heard that ringing sound coming from an old TV? Well, that never happens anymore because TVs today use LEDs or other advanced technology. That old high-pitched whine came from the transformer that drove the cathode ray tube. Even today when I hear that sound it sends a shiver down my spine, but […]
Make a cute candy vending machine that only dispenses treats when you knock the secret rhythm on its front panel.
In this project, we’ll turn a MAKE MintDuino microcontroller and a Mintronics Survival Pack into a replica of retro electronic memory games like Simon and the Tandy Pocket Repeat game sold by RadioShack in the 1980s. It’s amazing how fun and addictive this simple game is, and it’s a great way to learn about integrated […]
Build a motion-sensing alarm with a PIR sensor and an Arduino microcontroller.
