Navarre Bartz – Page 18 – WindowsTechs.com

A Revolution in Vehicle Drivetrains?

Posted on December 7, 2023 by Navarre Bartz

An image of the inside of a vehicle wheel. An outer ring gear is attached to two articulated sets of three small helical gears attached to a central sun gear. A shaft from the right side enters into the sun gear.

Power delivery in passenger vehicle drivetrains hasn’t changed much since the introduction of the continuously variable (CV) joint in the 1930s. Most electric vehicles still deliver power via the same …read more Continue reading A Revolution in Vehicle Drivetrains?→

Mini Apple IIe Now Fully Functional

Posted on December 5, 2023 by Navarre Bartz

A bald white man stands behind a table with an Apple II, a large green PCB, and a modular purple and black development board system. Atop the Apple II is what appears to be a smaller Apple II complete with beige case and brown fake keyboard.

Here at Hackaday, we love living in a future with miniaturized versions of our favorite retrocomputers. [James Lewis] has given us another with his fully functional Apple IIe from the …read more Continue reading Mini Apple IIe Now Fully Functional→

A Colorful Take on the E-Ink Photo Frame

Posted on November 22, 2023 by Navarre Bartz

A brown, wooden picture frame with a white matte holds a slightly pixelated photo of gaming miniatures. It is sitting on a wooden table.

Everyone loves sharing photos, and with most pictures being taken on smartphones now, digital frames are more convenient than finding a photo printer. [Wolfgang Ziegler] used an e-ink screen to …read more Continue reading A Colorful Take on the E-Ink Photo Frame→

Pi-lomar Puts an Observatory in Your Hands

Posted on November 21, 2023 by Navarre Bartz

A black motion system with two stepper motors. A green circuit board is fixed in a rotating cage in the center, and the entire assembly is on a white base atop a green cutting mat. Wires wind through the assembly.

Humans have loved looking up at the night sky for time immemorial, and that hasn’t stopped today. [MattHh] has taken this love to the next level with the Pi-lomar Miniature …read more Continue reading Pi-lomar Puts an Observatory in Your Hands→

Restoring the Silver Swan Automaton

Posted on November 19, 2023 by Navarre Bartz

A long, skeletal neck of a swan automaton sits on a table. Two men are on either side of it, lowering the swan's body back on.

It’s easier than ever to build your own robot, but humans have been building automatons since before anyone had even thought of electronics. One beautiful example is the Silver Swan, …read more Continue reading Restoring the Silver Swan Automaton→

An Off-Grid EV Camper Van

Posted on November 14, 2023 by Navarre Bartz

A large, teardrop-shaped van with a wide, friendly face sits in a grassy field. A grey canvas pop top is opened on its top and solar panels extend from either side of its roof, making it look somewhat like a large insect with wings extended.

Despite our predilection for creature comforts like electricity, it can be nice to get away from it all from time-to-time. Students from Eindhoven University of Technology developed Stella Vita to …read more Continue reading An Off-Grid EV Camper Van→

Open Brain Surgery for EBikes and EScooters

Posted on November 6, 2023 by Navarre Bartz

An ebike motor with the controller cover removed. A number of wires and connectors take up most of the space in the cavity.

Personal Electric Vehicles (PEVs) all contain the same basic set of parts: a motor, a battery, a motor controller, some sensors, and a display to parse the information. This simplicity …read more Continue reading Open Brain Surgery for EBikes and EScooters→

Supercon 2022: Carrie Sundra Discusses Manufacturing on a Shoestring Budget

Posted on October 31, 2023 by Navarre Bartz

A woman with a black vest and pink shirt with curly hair stands behind a podium in front of a projected presentation. She is speaking and has her hands moving in a vague guesture.

Making hardware is hard. This is doubly true when you’re developing a niche hardware device that might have a total production run in the hundreds of units instead of something …read more Continue reading Supercon 2022: Carrie Sundra Discusses Manufacturing on a Shoestring Budget→

ModuCoil – A Modular Coil for Motor and Generator Projects

Posted on October 2, 2023 by Navarre Bartz

Two hands hold an electric motor rotor and a 3D printed coil structure next to each other. A multimeter in the background displays 297.0 mV.

While renewable energy offers many opportunities for decentralizing energy production, it can sometimes feel that doing so on a truly local level remains unachievable with increasingly large utility-scale deployments re-centralizing …read more Continue reading ModuCoil – A Modular Coil for Motor and Generator Projects→

Getting Shredded Plastic…and Legs

Posted on September 23, 2023 by Navarre Bartz

While electric motors have taken the drudgery out of many tasks, human power has its advantages. [Precious Plastic Torino] has developed a human-powered plastic shredder for those times when an …read more Continue reading Getting Shredded Plastic…and Legs→