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Have Your Own 200 Water Street Digital Clock
On the front of a building in New York City, above a branch of the ubiquitous Starbucks coffee chain, there is a clock. It is no ordinary clock, the 200 Water Street clock is an art installation...
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Friday Hack Chat: The State of KiCad
KiCad is twenty-five years old — like most PCB design software — and right now it’s the best Open Source tool to lay out your circuits, plop down a few resistors, and create a PCB from scratch. Over...
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Lunar New Year is Coming, Shipping Times May Vary
With one holiday period coming to a close, another looms on the horizon: Lunar New Year. That means three things in my mind: nice weather, a beautiful holiday with great food, and that I had better get...
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OpenBraille is an Impressive DIY Embosser
In 2024, the Braille system will have been around for 200 years. What better way to mark the occasion than with an open source project devoted to making embossing equipment affordable for the visually...
View ArticleCelebrate Display Diversity for a Circuit Circus Clock
There’s a lot to be said for nice, tidy projects where everything lines up and looks pretty. Seeing straight lines and pleasing proportions speaks to our obsessive-compulsive tendencies, and tends to...
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See This Slick RC Strandbeest Zip Around
Bevel gears used to mount motors vertically. Theo Jansen’s Strandbeest design is a favorite and for good reason; the gliding gait is mesmerizing and this RC version by [tosjduenfs] is wonderful to...
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Huge 3D Printer Ditches Lead Screw for Belt Driven Z Axis
The vast majority of desktop 3D printers in use today use one or more lead screws for the Z-axis. Sometimes you need to think outside of the box to make an improvement on something. Sometimes you need...
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Guide: Why Etch a PCB When You Can Mill?
I recall the point I started taking electronics seriously, although excited, a sense of dread followed upon the thought of facing the two main obstacles faced by hobbyists and even professionals:...
View ArticleThere Once Was an IC Dedicated to Blinking an LED
Today you can buy flashing LEDs; a simple two-lead component that requires only a power supply to produce even flashes of light. They look for all the world like any other LED, though embedded in the...
View ArticleTouch-A-Sketch Gives an Old Toy a New Twist
After nearly 60 years and a lot of stairs and squares, there is finally an easier way to draw on an Etch A Sketch®. For their final project in embedded microcontroller class, [Serena, Francis, and...
View ArticleThe Grooviest Random Number Generator Ever
Cloudflare is one of those Internet companies you use all the time, but don’t usually know it. Big websites you visit use Cloudflare to shore up their defenses against denial of service attacks. The...
View ArticleLowering JavaScript Timer Resolution Thwarts Meltdown and Spectre
The computer security vulnerabilities Meltdown and Spectre can infer protected information based on subtle differences in hardware behavior. It takes less time to access data that has been cached...
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This Is The Last Weekend For The Coin Cell Challenge
This is it. This is the last weekend you’ll have to work on the most explosive battery-powered contest in recent memory. This is the Coin Cell Challenge, and it’s all ending this Monday. You have less...
View ArticleThe PlyPad: CNC Machine Yourself A Tiny House
The Maslow CNC project is a CNC mill for sheet woodwork that is designed to be as inexpensive as possible and to be assembled by the end user. They’ve dropped us a line to tell us about a recent...
View Article3D Printed Wave Lamp Forecasts the Weather
While browsing Thingiverse, [Dushyant Ahuja] found a rather pleasing wave lamp, and since a mere lamp on its own would not quite be enough, he added a means by which his lamp could provide weather...
View Article3D Printing Wearables with a Net
If you want to build wearables, you need to know how to sew, right? Maybe not. While we’re sure it would come in handy, [Drato] (also known as [RobotMama]) shows how she prints designs directly on a...
View ArticleA Mini Stacker Arcade Cabinet
For [LumoW], what started as a school project turned into a passion project. He and his team made a hardware implementation of an arcade game called Stacker. Never heard of it? It’s pretty fun, kind of...
View ArticleScrap a Hard Drive, Build a Rotary Encoder
There’s something to be said for the feel of controls. Whether it’s the satisfying snap of a high-quality switch or the buttery touch of the pots on an expensive amplifier, the tactile experience of...
View ArticleAfroman Teaches Intro to Servos, Builds Laser Turret
After a longish hiatus, we were pleased to see a new video from [Afroman], one of the most accessible and well-spoken teachers the internet has to offer. If you’re new to electronics, see the previous...
View ArticleRobotic Drive Train is Nearly All 3D Printed
There are lots of ways to move a robot ranging from wheels, treads, legs, and even propellers through air or water. Once you decide on locomotion, you also have to decide on the configuration. One...
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