Electronics
Turn your lights on and off by staring at this little robotic switch
Unlike every other hands-free light switch that relies on infrared motion detection or changes in ambient light values, Michael Rigsby’s “Look at Me …
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Electronics
Time Slider is an interesting spin on clock design
You can build a simple and accurate clock with any Arduino board, an RTC (real-time clock) module, and a four-digit seven-segment display. But if you…
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Electronics
Self-guided circular saw automates woodworking
A circular saw is a must-have tool for anyone who wants to do even basic woodworking. But getting clean, straight cuts is a skill that takes practice…
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Electronics
Recreating a century-old Argentinian rainmaking machine
You’ve heard about the many different snake oil concoctions shilled by con men over the centuries, but did you know that inventors created a variety …
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Electronics
Connecting the Uprooted and Overlooked in Nepal
Seven years after the devastating Gorkha Earthquake in Nepal, it’s unclear how many people are still uprooted. The estimated number of Nepalis intern…
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