Collaborate Disseminate
Although first presented to the world as an April 1st joke, [Jotun]’s IRC-enabled lawnmower began life as the result of casual bantering among folk on the Undernet IRC network. When …read more Continue reading Is It A Lawnmower? Is It an RPi IRC Server? It’s Both!
The notion of self driving cars isn’t new. You might be surprised at the number of such projects dating back to the 1920s. Many of these systems relied on external …read more Continue reading Forgotten Tech — Self Driving Cars
What started as business cards for [Nerdonic]’s engineering clients unexpectedly expanded into a project in its own right. A CheatKard set consists of seven electronics cheat sheets made in the style …read more Continue reading Pocket Cheat Sheets for Electronics
One of the selling points of the USB-C plug is that supposedly there is no way to incorrectly insert it. As [Pim de Groot] shows with a ‘Cursed USB-C 2.0 …read more Continue reading Cursed USB-C: When Plug Orientation Matters
Terry Pratchett once said “Wisdom comes from experience. Experience is often a result of lack of wisdom.” This is as true with technical skills as it is with the rest of life, and you won’t truly understand a specific topic …read more
[Tom Stanton] has been messing around with compressed air power for a few years now, and most of his work focused on piston engines. He likes using 2-liter soda bottles as lightweight tanks but their capacity is limited, so the …read more
Continue reading Pelton Turbine Development For An Air Powered Model Helicopter
Most amateur high altitude balloon payloads descend back to earth with a simple non-steerable parachute and can land hundreds of kilometers from the launch site in inaccessible areas. [Yohan Hadji] experienced this first-hand during a balloon launch conducted by his high school, which inspired him to R2Home, a GPS-guided parachute …read more
Continue reading GPS Guided Parachutes For High Altitude Balloons
The wide availability and power density of 18650 lithium-ion cells have made them a good option for everything from electric cars to flashlights. [Theo] needed a new power source for his FPV drone goggles, so he designed his own power bank with a very compact charge controller.
While [Theo] could …read more
Over the last 2 years [Carl Bujega] has made a name for himself with his PCB motor designs. His latest adventure is to turn it into a stepper motor by adding position control with microstepping.
The NEMA stepper motors most of us know are synchronous stepper motors, while [Carl]’s design …read more
We’ve become so used to seeing SpaceX boosters land themselves back on the pad with clockwork reliability, that it’s easy to forget it took them a good number of attempts to get right. Inspired by SpaceX’s work, [Joe Barnard] of [BPS.Space] started working to replicate it at the model scale …read more
Continue reading So Close to Landing a Model Rocket on Its Tail