Gadget Freak Case #218: Finally - A Decent Space Heater Thermostat
Andrew Morris designed an electronic thermostat that senses actual room temperature. He tested and tweaked the design to get the proper control range and hysteresis.
View ArticleGadget Freak Case #219: Watching the Alpha Sparks Fly
John Iovine created a homemade alpha particle spark detector with a high-voltage power supply and radioactive materials.
View ArticleGadget Freak Case #220: Power Lock With a Secret Code
To keep curious kids from playing with his workbench tools, William Grill created a lock that requires a secret code before power can go to the plug.
View ArticleGadget Freak Case #221: Smart Toolbox Finds the Right Tool
A team of student engineers at Colorado State University have designed a five-drawer toolbox that can locate tools and open the drawer they are found.
View ArticleGadget Freak Case #222: Warming Up the Telescope
Eric Chesak created a heating pad system to keep his telescope at a uniform temperature throughout his deep-space photography sessions.
View ArticleGadget Freak Case #223: Rocket Records Its Own Flight
Doug Conner strapped a video camera to his PVC-based rocket to record its flight.
View ArticleGadget Freak: LED Matrix Helmet
This silver chrome helmet has a full LED matrix display on the front that illuminates words and patterns.
View ArticleGadget Freak: LED Message Board
Rich Quinnell's LED message board traces out a message in mid air.
View ArticleGadget Freak: Ear Muff Headphones
Sylvie Barak created a custom pair of earmuff headphones to keep her ears warm while she listens to her music.
View ArticleGadget Freak Case #224: Gadget Remembers What You Need to Do
George Tempesta's motion-triggered calendar keeps track of time and dates when a chore or event needs attention.
View ArticleGadget Freak Case #225: Moving the Keyboard Onto Your Fingers
Wayne Rasanen created a device to replace QWERTY that reduces hand movement and ends the days of flying fingers.
View ArticleGadget Freak Case #226: Speed Regulator for Rotary Tool
Andrew Morris's microcontroller-based DC motor speed regulator brings control for delicate work.
View ArticleGadget Freak Case #227: Wearable Computer Keeps Tabs on Fido & Kitty
Pete Cross created the PetInspect gadget to record data on how a pet is being treated while it is boarded.
View ArticleGadget Freak Case #228: Super LED Flashlight Hits 3,000 Lumens
John Duffy, a 15-year-old Gadget Freak, has put together a powerful LED flashlight that runs at almost 30W and 3,000 lumens.
View ArticleGadget Freak Case #229: Modify Your Wall Art
Al Linke has created a gadget that modifies wall art using LED matrix panels behind the art.
View ArticleGadget Freak Case #230: The Inexpensive Dimmable LED Desk Lamp
Andrew Morris designed a dimmable LED driver circuit that is simple and energy efficient. He then installed the circuit into a portable fluorescent lamp.
View ArticleGadget Freak Case #231: Super Rugged Computer-Controlled Tyco Car
Matthew Katzenstein took an electrical car and added a range of control based on robotics.
View ArticleGadget Freak Case #232: Finding the Right Hydraulic Force
Ed Nauman found using a hydraulic press to straighten a piece of material involved guesswork, so he created a gadget that indicates the actual force applied.
View ArticleGadget Freak Case #233: Inline Clock With Electromechanical Incandescent Display
David Christianson's inline clock has an electromechanical incandescent display based on an array of tiny projectors that share a ground glass rear projection plane.
View ArticleGadget Freak Case #234: We Love This Automated Mailbox
Jeremy Willden created small mailboxes for his daughters' Valentine's Day cards. The boxes use a sensor to open automatically when someone walks by.
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