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Archive for the ‘Electric Vehicles’ Category

Sebastian Dehne decided to build a custom electric vehicle (EV) charging station for his Nissan Leaf from scratch, as what he calls “a real full stack project.” He notes that creating your own gives you total control over the system, and it’s both fun and cheaper than purchasing a ready-made device.

The aptly named DehneEVSE is based on an Arduino Nano 33 IoT for control and current/voltage sensing, and connects via WiFi to a server that handles charging logic. UI consists of a web app that uses WebSockets to listen for real-time updates and display power consumption for all three phases. Aside from the stats, the app enables Dehne to turn charging on/off or to a low-cost setting, which regulates charge depending on the price of energy at a particular time.

A short demo of the DehneEVSE can be seen in the video below, while more details on the station including links to the files and code are available in Dehne’s blog post.

The post DehneEVSE is a custom, Nano 33 IoT-controlled EV charging station appeared first on Arduino Blog.

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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