Collaborate Disseminate
[Dennis] of [Made by Dennis] has been building a Voron 0 for fun and education, and since this apparently wasn’t enough of a challenge, decided to add a number of …read more Continue reading Calibrating a Printer with Computer Vision and Precise Timing
An oscilloscope is usually the most sensitive, and arguably most versatile, tool on a hacker’s workbench, often taking billions of samples per second to produce an accurate and informative representation …read more Continue reading A Compact, Browser-Based ESP32 Oscilloscope
One major reason for the high cost of developing new drugs and other chemicals is the sheer number of experiments involved; designing a single new drug can require synthesizing and …read more Continue reading Building a Multi-Channel Pipette for Parallel Experimentation
Over the years there have been a few CPUs designed to directly run a high-level programming language, the most common approach being to build a physical manifestation of a portable …read more Continue reading Designing a CPU for Native BASIC
Apple’s AirPods can pair with their competitors’ devices and work as basic Bluetooth earbuds, but to no one’s surprise most of their really interesting features are reserved for Apple devices. …read more Continue reading Liberating AirPods with Bluetooth Spoofing
Cycloidal drives have an entrancing motion, as well as a few other advantages – high torque and efficiency, low backlash, and compactness among them. However, much as [Sergei Mishin] likes …read more Continue reading Designing a Simpler Cycloidal Drive
We’ve probably all had a few conversations with people who hold eccentric scientific ideas, and most of the time they yield nothing more than frustration and perhaps a headache. In …read more Continue reading Measuring Earth’s Rotation with Two Gyroscopes
A Crookes radiometer, despite what many explanations claim, does not work because of radiation pressure. When light strikes the vanes inside the near-vacuum chamber, it heats the vanes, which then …read more Continue reading Building an Acoustic Radiometer
A PCB business card is a great way for electrical engineers to impress employers with their design skills, but the software they run can be just as impressive as the …read more Continue reading (Neural) Networking with a Business Card
Using a speaker as a microphone is a trick old enough to have become common knowledge, but how often do you see the hack reversed? As part of a larger …read more Continue reading 2025 Component Abuse Challenge: Playing Audio on a Microphone