How do unstable things stay upright? True passive balancing is very difficult and isn’t dynamic, so it doesn’t help when there is movement. Active balancing is all about inertia and this is how a tightrope walker can traverse a chasm by making small adjustments with a long pole. This is the same principle behind “self-balancing […]
Go to any arcade and the air hockey table will probably be one of the most popular games they have. Everyone loves air hockey, but a lot of people don’t want to go to an arcade just to play. If you fall into that category, then you can follow LloydB’s Instructables guide to make your […]
When you hear the word “joystick,” you probably think of the standard dual-axis joysticks that we see on video game controllers. As the name implies, those move and provide signals for two axes (X and Y). But there is no reason that a joystick needs two axes and, in fact, that may not be desirable. […]
We all know how annoying a ceiling fan can be when it isn’t balanced well and that annoyance perfectly demonstrates the necessity of a good, sturdy bearing. A ceiling fan’s bearing needs to allow for smooth rotational motion with as little friction as possible, while completely constraining movement in every other axis. Those properties make […]
It may not get as much attention as NASA, Roscosmos, or even CNSA (China National Space Administration), but India’s space program has achieved some impressive goals. Just last year, in August of 2023, ISRO (Indian Space Research Organisation) completed their first soft landing on a celestial object with the Chandrayaan-3’s moon landing. That understandably inspired […]
When you think of automation, what’s the first image that comes to mind? For many of us, it’s a robot. From the blocky, square-headed characters of sci-fi comic fame to household more complex creations like the Replicants of Blade Runner — robots have captured our collective imagination for a long time. It’s no surprise, then, […]
The objective benefits may be almost nonexistent today, but there is still something satisfying about rowing through the gears in a car with a manual transmission. If that car was made in the past couple of decades, there is a good chance that it has an indicator on the dash to tell you what gear […]
Racing “video games” can be incredibly realistic these days, with every facet of the car’s physics and their interaction with the asphalt programmed in. Those racing sims could provide a completely immersive experience — if the player wasn’t sitting on a motionless couch using a controller that doesn’t resemble a car’s steering wheel in the […]
This year we have so many talks, presentations, and announcements we had to spread out over three days! Arduino Days 2024 will be held from March 21st to 23rd – giving us more time to celebrate our community with our yearly event: 100% online, free, and open to all. The full schedule is now available […]
The Tesla coil, patented by legendary inventor Nikola Tesla in 1891, is a kind of resonant transformer circuit capable of producing sparks of high-voltage alternating-current electricity. They don’t have many practical uses today beyond novelty, but they were commonly used in spark-gap radio transmitters in the early 20th century. The sparks generated by a Tesla coil […]
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