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Open Hardware: Raspberry Pi and Arduino

Submitted by Roy Schestowitz on Tuesday 8th of June 2021 08:44:54 AM Filed under
Hardware
  • Get outside with these Raspberry Pi summer projects
  • New workflow for Arduino library submissions | Arduino Blog

    Arduino library submissions have a new, easier and more transparent workflow.

    Libraries are one of the pillars of the Arduino ecosystem. At time of writing, more than 3,780 open source libraries are available to perform any kind of task. This includes communication with external components and using algorithms for data processing. Such a variety of shared building blocks helps achieve things quickly without the need to write low-level code.

    Beyond the official libraries maintained by the Arduino team, most are contributed by the community. Anyone can submit a new library for inclusion, provided it meets the specification and passes the Arduino Lint checks.

  • DIY Perseverance rover replica looks and moves like NASA's | Arduino Blog

    Merely looking at the latest Mars rover, Perseverance, will make almost any nerd giddy with excitement over the amount of cool tech that’s crammed into the vehicle before it gets shot into space. This feeling is what probably inspired Dejan of How to Mechatronics to create his own scaled-down version of the interplanetary vehicle, but not only would it look great, his DIY rover would also be able to drive and show what it’s “seeing” to the operator.

    After designing a CAD model in Solidworks, Dejan got to work printing out the myriad of pieces required. The frame and structure of the rover is comprised of aluminum T-slot extrusions and tubes, while the rest is built from 3D-printed plastic. Each wheel was made to resemble the ones that are on the actual rover, and they are each driven by their own independent DC motor. Additionally, the four outer wheels are steered by separate servo modules. At the heart of the project is an Arduino Mega, which handles the DC motor drivers, servos, and the A4988 stepper driver that pans the camera horizontally.

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