Collaborate Disseminate
[Russell Graves] lives in Idaho and recently connected his solar installation to the grid, which meant adhering to regulatory requirements for both the National Electric Code (NEC) as well as …read more Continue reading The Regulatory Side of Rolling Your Own Moderate Solar Farm
Resin casting is a fantastic way to produce highly detailed parts in a wide variety of colors and properties, and while the process isn’t complicated, it does require a certain …read more Continue reading Modular Box Design Eases Silicone Mold-Making
For some applications, smaller is better and that is precisely the thinking behind a diminutive keyboard like the PiPi Gherkin, which is designed to use the Raspberry Pi Pico as …read more Continue reading Tiny Mechanical Keyboard, Powered by Pi Pico
Soldering requires steady hands, so when [Jonathan Gleich] sadly developed a condition called an essential tremor affecting his hands, soldering became much more difficult. But one day, while [Jonathan] was …read more Continue reading Soldering Iron Plus Camera Gimbal Helps Cancel Out Hacker’s Hand Tremors
[Maarten Tromp]’s replacement of his motorcycle’s tail light with LED equivalents is a great example of something that every hacker learns sooner or later: interfacing to and working around existing …read more Continue reading Putting LEDs in Motorcyle Tail Light Shows How Trivial Becomes Tough
Sometimes, it’s really useful to watch a project’s parts come together one piece at a time in order to get a complete understanding and mental picture of the whole, and …read more Continue reading Simple MicroPython Game is a 30 Minute Game Dev Course
Here’s a great picture from [Jelly & Marshmallows] that shows off the wild effects of melted chocolate poured onto a diffraction grating. A diffraction grating is a kind of optical …read more Continue reading Iridescent Rainbow Chocolate, Just Add Diffraction Grating!
[Ramin assadollahi] has been busy rebuilding and improving an Omnibot 5402, and the last piece of hardware he wanted to upgrade was some LED matrix eyes and a high quality …read more Continue reading Omnibot From the 80s Gets LED Matrix Eyes, Camera
One thing about vintage computers is that they depend greatly on whether or not one can plug a compatible monitor into them. That’s what’s behind [Tube Time]’s Graphics Gremlin, a …read more Continue reading Retro ISA Card Means Old, Slow Computers No Longer Need Old, Heavy Monitors
In a way, the magic of a soil moisture sensor’s functionality boils down to a simple RC circuit. But of course, in practice there is a bit more to it …read more Continue reading Soil Moisture Sensors, How Do They Work?