Machine screws Archives

The Electronic Nag

Build a Notification Alert Generator that pesters you to do your chores.

Homemade Home Security

Build a 4-camera surveillance system and watch from any web browser.

Yakitori Grill

Get cookin’ with this Japanese-style skewer grill.

Secret-Knock Gumball Machine

Make a cute candy vending machine that only dispenses treats when you knock the secret rhythm on its front panel.

Cellphone Car Ignition

Remote-start your ride from any distance, sans key fob.

This DIY Geiger counter clicks and flashes an LED each time it detects a radioactive particle. It works with most common Geiger–Müller tubes, and easily connects to radiation rate meters, data loggers, true random number generators, and the Radiation Network’s GeigerGraph software. Share your radiation readings with the whole world!

Tacit: A Haptic Wrist Rangefinder

Tacit is a wearable system that translates the distance to anything you aim your hand toward into pressure on your wrist. The closer the object, the greater the pressure. Sweep your hand around, and the device conveys to you a tactile image of your surroundings. I designed Tacit to help vision-impaired people navigate their environments, […]

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