Author Archives: Navarre Bartz

Open Brain Surgery for EBikes and EScooters

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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

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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

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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→

Fast Charging a Cargo Bike from an Electric Car Charger

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A silver front loader cargo bike sits in a parking lot in front of an electric vehicle charger. A cable runs from the charger to the bike.

Fast charging is all the rage with new electric cars touting faster and faster times to full, but other EVs like ebikes and scooters are often left out of the …read more Continue reading Fast Charging a Cargo Bike from an Electric Car Charger→