A volume unit (VU) meter is a simple gauge that indicates the amplitude of an audio signal, so higher decibels move the needle further. They’re common in the field of audio engineering and music production, with traditional VU meters being analog. But tuning an analog gauge is a challenge, so Mirko Pavleski designed a VU […]
Take a moment to go and look up some photos of the cockpits of airplanes and spacecraft. All of them are packed full of instruments and controls. So why do we feel like we can play a flight simulator with a regular gamepad? If you’re doing so, then you’re missing out on a lot of […]
Generators are expensive pieces of equipment. You can get a small low-quality model for a few hundred dollars, but high-quality generators cost thousands or even tens of thousands of dollars. Old cars, on the other hand, can be very cheap — especially if they aren’t roadworthy anymore. Jake von Slatt has a video series explaining […]
When dealing with indoor climate controls, there are several variables to consider, such as the outside weather, people’s tolerance to hot or cold temperatures, and the desired level of energy savings. Windows can make this extra challenging, as they let in large amounts of light/heat and can create poorly insulated regions, which is why Jallson Suryo […]
Home automation is exploding in popularity. In 2021, the average household had 25 connected devices, a massive increase on previous years, driven in no small part by the COVID-19 pandemic and lockdowns. And in 2023, the number of smart homes worldwide looks set to hit 195.8 million. We’re living through a fascinating time for technology […]
Rodents, including mice, are problematic. They can cause significant damage to your home by chewing up wires, walls, and insulation, while leaving behind unsanitary droppings that present a health hazard. But those of us who love animals are reluctant to utilize traditional mousetraps. Not only are those fatal, but they can also cause a lot […]
Servers don’t usually need monitors, keyboards, or mice. Because the user only interacts with servers through separate devices under normal conditions, a server can just be a box with with a processor, RAM, storage, and network adapter. But that becomes an issue if something is wrong with the server that requires direct interaction. To help […]
Air quality concerns encompass several different pollutants and irritants. Chlorofluorocarbons (CFCs) were, for example, a major concern in the 20th century due to the damage they cause to the ozone layer. But not all pollutants are easy to monitor. Hydrogen sulfide, which causes irritation of the eyes, nose, and throat at low levels and much […]
You can play chess just as easily on a $2 set from a thrift store as you can on a $2,000 ornate set from a bespoke retailer. But that doesn’t stop people from building or buying those fancy chess sets. If you’re the DIY type, you may even be interested in an electronic chessboard like […]
The rapid rise of edge AI capabilities on embedded targets has proven that relatively low-resource microcontrollers are capable of some incredible things. And following the recent release of the Arduino UNO R4 with its Renesas RA4M1 processor, the ceiling has gotten even higher as YouTuber Nikodem Bartnik has demonstrated with his lidar-equipped mobile robot. Bartnik’s project started with […]
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