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Archive for the ‘Electric Vehicles’ Category

Maker Bitluni wanted an electric scooter, but he lives in Germany, where electric vehicles of that type are illegal. Motor-assisted bicycles, however, are not. So he set to work making a sort of hybrid that is controlled not by a throttle directly, but provides assistance when the rider kicks the scooter forward.

The scooter uses an accelerometer to sense forward pushes, along with an Arduino Micro that regulates speed via PWM output. A brake assembly is also implemented as a secondary input, starting up the device and powering it down as needed. 

Bitluni’s build and testing process can be seen in the videos below, and Arduino code is available on GitHub.

Swedish electric car startup Uniti has unveiled an open-source, Uno-compatible board designed for controlling three-phase motors. The “Uniti ARC” combines the familiar layout of Arduino with a number of other powerful features that will help facilitate the prototyping of electronic machinery — which includes the company’s own EV.

Aside from transportation vehicles like cars, e-bikes and e-scooters, the Uniti ARC can be used with other equipment employing three-phase motors, such as CNC mills, conveyor belts, or even 3D printers.

In terms of hardware, the Uniti ARC is powered by an ATmega64M1 at 16 MHz, and comes with a 12-bit high speed three-phase motor controller, CAN 2.0 A/B transceiver for real-time communication, 10-bit digital to analog converter, and four analog comparators. In addition, it can be easily programmed using the Arduino IDE.

The ARC inherits the versatility of the Arduino and even expands it. Therefore, the possibilities of what you can build with it are only limited by your creativity. Every electric motor can also be used as a generator! Let your imagination go wild…

It is designed to empower makers, startups, educators and anyone else, to be part of the electric vehicle revolution by making electric car prototyping more accessible for a wider public.



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