Collaborate Disseminate
Any student new to the principles of fluid dynamics will be familiar with Bernoulli’s principle and the Venturi effect, where the speed of a liquid or gas increases when the …read more Continue reading Variable-Nozzle Ducted Fan Provides Fluid Dynamics Lessons
There’s no shortage of cheap digital oscilloscopes available today from the usual online retailers, but that doesn’t mean the appeal of building your own has gone away — especially when …read more Continue reading STM32 Offers Performance Gains for DIY Oscilloscope
Self-driving is currently the Holy Grail in the automotive world, with a number of companies racing to build general-purpose autonomous vehicles that can get from point A to point B …read more Continue reading Full Self-Driving, on a Budget
Before the invention of microelectromechanical system (MEMS) microphones, almost all microphones in cell phones and other electronics were a type of condenser microphone called the electret microphone. The fact that …read more Continue reading Low-Cost Electret Microphone Preamplifiers
Getting freshwater supplied across cities and towns in a reliable and safe way is no simple task. Not only is a natural freshwater reservoir or other supply needed, but making …read more Continue reading Re-imagining the Water Supply
When working on simple DC systems, a small low-cost multimeter from the hardware store will get the job done well enough. Often they have the capability for measuring AC, but …read more Continue reading Hackaday Prize 2023: AC Measurements Made Easy
When running a server, especially one with mission-critical applications, it’s common practice to use error-correcting code (ECC) memory. As the name suggests, it uses an error-correcting algorithm to continually check …read more Continue reading Error-Correcting RAM on the Desktop
The real action in the world of ham radio is generally in the high frequency bands. Despite the name, these are relatively low-frequency bands by modern standards and the antenna …read more Continue reading Antennas Can Be a Total Mystery
We all know, at least intellectually, that our computers are all built with lots of tiny transistors. But beyond that it’s a little hard to describe. They’re printed on a …read more Continue reading CPU Built From Discrete Transistors
Despite the fact that it constantly seems like we’re in the midst of a robotics- and artificial intelligence-driven revolution, there are a number of tasks that continue to elude even …read more Continue reading FedEx Robot Solves Complex Packing Problems