What has eight legs, a tail, and is powered by an Arduino Mega? The ClearWalker, of course! This Strandbeest-style walker employs two motors, controlled by individual H-bridge relay modules to traverse forwards, backwards, and slowly rotate to one side or another via a hesitating leg motion. You can see how the electronics (including a bunch of LEDs) […]
YouTuber “HomoFaciens” had quite a bit of square tubing to cut for his latest CNC router. As he’s known for combining simple tools with creative uses of electronic components, he came up with a jig that helps him precisely position his cuts. This device works using an encoder made out of paper, tape, and a nail […]
We’ve all seen hamsters in a cage, furiously running nowhere. Perhaps you’ve thought about the pointlessness of this activity, before going to the gym to lift weights up and down or run on a treadmill. From an outside perspective, both activities seem pointless, but when you realize the benefits, maybe tracking what “feats of strength” you’re […]
If you’re familiar with the Segway or other vehicles that balance in what is known as an “inverted pendulum” configuration, you may think that while interesting, creating something similar would be too complicated or out of your budget. Though perhaps still not simple, Joop Brokking takes you through his design for this type of bot in […]
Depending on your point-of-view, you may see claw machines as an interesting device that can normally be ignored, or perhaps magnet for quarters that you must satisfy until you capture the stuffed animal that’s “so easy to get.” Maybe these gantry-crane gadgets would be a bit more fun if you could play them at home to your heart’s […]
Hacker “MmmmFloorPie’s” senior project in college, in 1989, was a device based on the venerable Motorola 6800 chip that could record and play back sounds. It could also display these recorded waveforms on a monochrome CRT monitor. The monitor in question was purchased as a bare CRT for $20, and mounted in the cardboard box […]
As YouTuber Evan Kale puts it, his set is was kind of boring. He decided to spruce things up by turning his ordinary door into an “alien portal,” lining it with a strip of RGB LEDs. Though this may not be the first time you’ve seen this type of lighting in action, he directs our attention to […]
You likely know that growing plants via hydroponics involves some sort of water and fertilizer solution. Perhaps, however, you don’t realize that these plants need to be removed from the water occasionally in order to air out the roots. Normally, this means that the water is raised and lowered. Peter Fröhlich, though, decided to go […]
Do you ever wonder what certain colors would smell like? Perhaps red would emit the fragrance of a rose, while blue may be reminiscent of the ocean. During a recent workshop at ÉCAL in Lausanne, Switzerland, Niklas Roy challenged students to come up with new communication devices. In response, they devised an Arduino-based machine that senses a color and […]
You’ve seen exoskeletons in movies such as Aliens and Iron Man, and perhaps even heard about current experiments with human use. Unfortunately though, if you want to learn about this technology, the barrier to entry is very high. EduExo, now available on Kickstarter, is an attempt by robotics researcher Volker Bartenbach to bring this technology […]
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