Collaborate Disseminate
There comes a time in every hardware hacker’s career during which they first realize they need a negative voltage rail in their project. There also comes a time, usually ~10ms …read more Continue reading Quick and (Not Very) Dirty Negative Voltage Supply
If there’s one demographic that has benefited from people being stuck at home during Covid lockdowns, it would be dogs. Having their humans around 24/7 meant more belly rubs, more …read more Continue reading Machine Learning Shushes Stressed Dogs
Sometimes simpler is better — when you don’t need the the computational power of an onboard microcontroller, it’s often best to rely on a simple circuit to get the job …read more Continue reading Treasure Hunting with a Handful of Common Components
Computers, from the simplest to the most complex, aren’t very useful if they can’t provide feedback to a user. Whether that interface takes the form of a monitor, a speaker, …read more Continue reading Three-Dimensional Design Yields Compact Seven-Segment Hex Displays
Motorcycle rally racing is a high-speed, exciting, off-road motorsport that involves zipping across all types of terrain on two wheels. While riding, it’s extremely important for riders to know what’s …read more Continue reading Motorcycle Rally Computer Goes Open Source
When you need to record the angle of something rotating, whether it’s a knob or a joint in a robotic arm, absolute rotary encoders are almost always the way to …read more Continue reading 3D Printed Absolute Encoder is Absolutely Wonderful
Your brand-new PCBs just showed up, and this time you even remembered to order a stencil. You lay the stencil on one of the boards, hold it down with one …read more Continue reading Streamline Your SMD Assembly Process With 3D-Printed Jigs
Oscilloscope displays have come a long way since the round phosphor-coated CRTs that adorned laboratories of old. Most modern scopes ship with huge, high-definition touch screens that, while beautiful, certainly …read more Continue reading Flip-Dot Oscilloscope is Flippin’ Awesome
We all love seeing data represented in pretty ways — whether it’s necessary or not. Take VU meters for example. They’re a super useful tool for audio editors to balance …read more Continue reading Visualizing Audio With an LCD VU Meter
Every year, [Conor O’Neill] hacks something together to spook and entertain trick-or-treaters who happen by his home on Halloween. He’s noticed a pattern — every year the project involves a …read more Continue reading Halloween Hack Requires Minimum Code, Produces Maximum Fun