For an easy DIY metal detector setup, look no further than this project by creator “rgco.” The handheld device uses a 20-60 turn coil of 26AWG enameled wire, connected across an Arduino Uno or Nano’s pins 8 and 10. A series of pulses is continuously sent out by pin 10, which are delayed in reaching pin […]
YouTuber Brankly is going to be giving out candy in style this Halloween. Or, more accurately, his automated pumpkin system is going to take care of the task for him. His large fake jack-o’-lantern sits atop a hilariously smaller skeleton body, and hides inside a servo-driven turntable dispensing mechanism. As it rotates, treats are pushed […]
If you haven’t heard, a lot of us are working from home these days, making mic and camera discipline more important than ever. To help avoid unwanted recording, Tovi Levis created the S.H.I.E.L.D. device, which stands for Software and Hardware for Invisible Eavesdroppers and Lurkers Detection. This amply-named project uses an Arduino Uno to control […]
While dial clocks are functional and well-understood, for something a bit more uniquely styled, Luuk Esselbrugge has created a 3D-printed timekeeping unit with four rows of sliding numbers. As seen here, each digit moves up and down to show the appropriate hour and minutes under the power of a stepper. A rack system is integrated […]
Shared electric scooters can be found zooming many city streets, and while convenient, they can also be a nuisance when used on sidewalks instead of roadways. After receiving complaints about sidewalk riding, the city of Santa Monica, California approached the California Polytechnic State University’s Digital Transformation Hub (DxHub) about finding a solution beyond signage and […]
The YouTube team “Ty and Gig Builds” recently decided to make their coffee table a little more interesting, adding a chain of 96 addressable LEDs underneath its clear surface. This would have been neat enough by itself, but their project doesn’t just stop there and instead embeds 154 IR emitters and 154 IR receivers, allowing it […]
Researchers at Cornell University’s Hybrid Body Lab have been pursuing a novel woven interface that attaches to the user’s skin. Their aptly named WovenSkin integrates electronics into a fabric pattern, including capacitive sensing materials, shape-memory alloys (SMAs), and thermochromic materials to allow for both input and output functionality. The “second skin” is connected to Arduino Mini, small […]
Natasha (AKA TechnoChic) is a member of a bicycle club that goes for rides at night during the summer, and while off-the-shelf lights are fine, she wanted something a bit more interesting. To accomplish this, while learning more about the technologies involved, she decided to equip her bike with an array of addressable LEDs. The […]
There’s certainly no shortage of DIY clocks in the Arduino community; however, Eric Nguyen has come up with a rather unique way of showing hours and minutes: steel balls arranged as seven-segment displays. For each time change, the face rotates down and a tray of arranged balls is lifted up to meet it via a […]
Animals like dogs, cats, raccoons, rhinoceroses, and many more get around on four legs. To help imitate this natural phenomenon, maker “Technovation” decided to create a low-cost quadruped robot using 12 servo motors and a variety of 3D-printed and laser-cut parts. Each leg features two servos that move inline with the body, as well as […]
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