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Arduino Projects: The Latest

Submitted by Roy Schestowitz on Tuesday 27th of July 2021 09:30:15 PM Filed under
Hardware
  • The P-CNC Plotter is a DIY drawing machine 'disguised as a quadruped robot' | Arduino Blog

    In their quest to create a portable CNC plotter, Instructables user tuenhidiy combined several PVC pieces with a couple of motors to build the P-CNC Plotter. The small machine — which was designed to resemble a quadruped robot — features an Arduino Uno and a Gbrl control shield at its heart that takes incoming G-code and translates it into motor movements. The X axis consists of a single NEMA-17 stepper motor that actuates a threaded rod to slide the rest of the device along a path.

  • Present! uses an Arduino and a PIR sensor to keep you from embarrassing yourself on Zoom calls | Arduino Blog

    Teleconferencing is more popular than ever, especially with the ongoing COVID-19 pandemic, but we have also seen an increase in embarrassing videos from people who were unaware that their cameras were still on. To address this problem, Charitha Jayaweera came up with a clever solution that he calls the “Present!” — a system that uses an Arduino Nano and HC-SR501 passive infrared sensor to detect if there is a person in front of the computer and automatically disable their camera and microphone if not.

  • Scan items from the real world into your Arduboy games with the Ardumiibo | Arduino Blog

    Inspired by a recent project involving Disney’s MagicBand technology, William Wimberly and Anthony Pallitta created an Arduboy-compatible RFID scanner they call the Ardumiibo, along with a DIY rumble pack. The Ardumiibo got its name from Nintendo’s Amiibo platform, which allows players to tap NFC-equipped figurines and see them within a game. In a similar manner, the Ardumiibo enables users to scan their NFC tags on a device built from an Arduino Leonardo board and PN532 RFID module.

    The scanning system is contained within a small 3D-printed enclosure that also has a NeoPixel ring around the top for some added flair. It connects to a Tiger Electronics handheld-style host Arduboy device via a serial cable, which allows for programs on the gaming system to simply implement the protocol for communicating with the Ardumiibo. As for the rumble pack that is integrated into the scanner, it is attached to the Arduboy over pin 2 that lets the game send pulses with the Tone commands for haptic feedback or playing small songs.

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