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OWON Oscilloscope Teardown
We sympathize with [learnelectronic’s] statement: “I’m ashamed. I may have bought another oscilloscope.” We get it and we enjoyed watching him tear down the OWON SDS1102. (Video, embedded below.) As...
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New Part Day: Arduino Goes Pro with the Portenta H7
The Consumer Electronics Show in Las Vegas is traditionally where the big names in tech show off their upcoming products, and the 2020 show was no different. There were new smartphones, TVs, and home...
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The Flexible Permanence of Copper Tape Circuits
Somewhere between shoving components into a breadboard temporarily and committing them to a piece of protoboard or a PCB lies the copper tape method. This flexible Manhattan-style method of circuitry...
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A Safer, Self-Healing Polymer Battery
Lithium-ion batteries are notorious for spontaneously combusting, with seemingly so many ways that it can be triggered. While they are a compact and relatively affordable rechargeable battery for...
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A SpaceX Falcon 9 will Blow Up Very Soon, and That’s OK
They say you can’t make an omelette without breaking a few eggs, and there are few fields where this idiom is better exemplified than rocketry. It’s a forgone conclusion that when you develop a new...
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A Strange Display Gives Up Its Secrets
Providing a display for a project in 2020 is something of a done deal. Standard interfaces and off-the-shelf libraries for easily available and cheap modules mean that the hardest choice you’ll have...
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Motorized Inline Skates Run On Makita Power
Inline skates can be fun, but like most wheeled contraptions, they’re even better when motorized. With just such a goal in mind, [The Real Life Guys] decided to whip up a set of powered skates,...
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74-Series Clock Gets A MEMS Heart
[Erik van Zijst] has had a long career as a programmer, but lacked an understanding of what was happening at a bare metal level. After building a few logic gates out of transistors to get a feel for...
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These Bit Twiddling Tricks Will Make Your Coworkers Hate You
In the embedded world, twiddling a few bits is expected behavior. Firmware is far enough down the stack that the author may care about the number of bits and bytes used, or needs to work with registers...
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Who Invented the Mouse? Are You Sure?
If you ask most people who invented the mouse, they won’t know. Those that do know, will say that Doug Englebart did. In 1964 he had a box with two wheels that worked like a modern mouse as part of his...
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Jen Costillo Explains Why Hackers Thrive in a Recession
If you haven’t noticed, this is an absolutely fantastic time to be a hacker. The components are cheap, the software is usually free, and there’s so much information floating around online about how to...
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A Simple Auger Pet Feeder
Pet feeders are a popular maker project. One can speculate that this shows the great self-confidence common to the maker set, who are willing to trust their own work to keep their animal companions...
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Get Compressed Air From Falling Water With The Trompe
If you’re like us, understanding the processes and methods of the early Industrial Revolution involved some hand waving. Take the blast furnace, which relies on a steady supply of compressed air to...
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Exploring Early ’90s Video Game Architecture With Another World
Curious about past computer architectures? Software engineer [Fabien Sanglard] has been experimenting with porting Another World, an action-adventure platformer, to different machines and comparing the...
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Bullet-proofing Your Car With An Affordable Composite Armor
Remember those actions movies like The Fast and the Furious where cars are constantly getting smashed by fast flying bullets? What would it have taken to protect the vehicles from AK-47s? In...
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Breathtaking C64C Case Faithfully Recreates Original in Wood
Most computer case modders take certain liberties with their builds, to express their creativity and push the state of the art. Some, however, seek to recreate the original in as detailed a way as...
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Bask In The Glory Of This 336 LED Digit Display
[Chris Combs] recently took the wraps off of an incredible art piece that he calls Road Ahead which uses 336 seven segment LED digits to create an absolutely gorgeous display. With a piece of smoked...
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DIY Lambo That Made The Real Lamborghini Take Notice
When you start sharing your projects with the world, you never know who might take notice. [Sterling Backus] and his son [Xander] have been building a functional Lamborghini Aventador look alike in...
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Building a Better BitTorrent Client in Go
When it comes to peer-to-peer file sharing protocols, BitTorrent is probably one of the best known. It requires a client implementing the program and a tracker to list files available to transfer and...
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Experiments In Soft Robotics
[Arnav Wagh] has been doing some cool experiments in soft robotics using his home 3D printer. Soft robots have a lot of advantages, but as [Arnav] points out on his website, it’s pretty hard to get...
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