community news
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This DIY Submarine Explores The Ocean on Its Own A team of DIY engineers is working on building a fully autonomous submarine. They are different from the previous models that rely on joysticks for navigation and control. The new design aims to navigate independently into the depths of the ocean. One big challenge is that GPS doesn’t work underwater, so the submarine has to… |
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Open-Source Prosthetic Hand with 19 DOF Researchers from the University of Science and Technology of China (USTC) have developed an Open-Source Prosthetic Hand that replicates human dexterity with 19 degrees of freedom (DOF). The device utilizes shape-memory alloy (SMA) actuators, which function as artificial muscles. These actuators offer a high power-to-weight ratio, allowing the prosthetic to achieve… |
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BeagleBoard’s PocketBeagle 2 is Now Available, Featuring TI's AM6232 Dual Core SoC BeagleBoard has introduced the PocketBeagle 2, a compact and affordable single-board computer (SBC) designed for developers, students, and hobbyists. It retains the small form factor of its predecessor, measuring 55 x 35 mm while improving performance and features. With a focus on embedded applications, IoT devices, and education, the PocketBeagle 2 offers an efficient platform for prototyping… |
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DIY Automated Piano That Plays Music Like a Pro Imagine a piano that plays itself- not just some basic tunes, but musical performances from any MIDI file. That’s exactly what a creative maker has built: a fully automated piano-playing robot that reads digital music data to play piano keys. Paul Junkin, a DIY enthusiast, built a fully automated piano-playing robot that can bring any song to life. With a piano sitting in his home for… |
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An AI-Driven Tofu Flipping System Using Arduino Mega for Smart Cooking Automation An Innovative Maker has developed an AI-powered robotic system designed to flip tofu while frying, reducing human exposure to hot splashing oil. The system integrates computer vision, robotics, and motion control to automate this delicate cooking task. The robotic arm is mounted upside down on a gantry system for better reach across… |
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ESPARGOS: An ESP32-Based WiFi Sensing Array That Can “See” Wireless Signals Researchers at the University of Stuttgart’s Institute of Telecommunications have developed ESPARGOS, an advanced phase-coherent ESP32 antenna array that enables real-time WiFi sensing. Unlike traditional wireless systems, ESPARGOS captures Channel State Information (CSI) from 802.11g/n packets, extracting phase and amplitude variations across multiple antennas to generate a spatial… |
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AI in Your Pocket: Running an LLM from a USB Stick Large language models (LLMs) like GPT, BERT, Llama, and Mistral are becoming widely used in various applications, from chatbots to coding assistants. However, running these models typically requires powerful hardware, such as high-end GPUs or dedicated AI accelerators, which can be costly and consume significant power. In a recent video, Binh Pham from the YouTube channel Build With Binh… |
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DIY Heavy-Lift Drone That Can Carry Over 100kg A YouTuber has built a massive drone capable of lifting over 100 kg using four large electric motors. The drone is powered by lithium-polymer (LiPo) batteries, though their low capacity limits flight time. It has a lightweight aluminum frame with a Pixhawk flight controller and GPS for navigation. The original design included a… |
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A Compact, Button-Free Wireless Mouse Worn on Your Finger An innovative maker has designed a fully functional wireless mouse in the form of a ring, offering a unique alternative to traditional mice. Instead of physical buttons, this device utilizes proximity sensors for left and right clicks, enabling a touch-free interaction method. The compact design is achieved using repurposed components from a previous wireless mouse… |
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MoondreamObjectTracking: A Simple Way to Add Object Detection to Robots Ben Caunt, from Warm Automation, has showcased his new open-source project that allows robots to detect and track objects in real time using Moondream AI and OpenCV. The project, called MoondreamObjectTracking, combines AI-based object detection with optical flow tracking to follow objects efficiently. It works by capturing video from a webcam, identifying objects using Moondream’s vision… |
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Tracking ESP32 Devices with Google’s Find My Network Losing a device can be frustrating, but services like Google’s Find My Device and Apple’s Find My make it easier to track lost items using their vast networks of connected devices. These services leverage encrypted location data to help users find missing smartphones, tablets, and even third-party trackers, offering a seamless and secure way to retrieve lost belongings. Previously, we explored… |
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New Stackable DAQ HAT Brings 24-bit Analog Data Acquisition to Raspberry Pi Sequent Microsystems has introduced the Eight 24-bit Analog Inputs DAQ HAT, a high-precision data acquisition board designed for Raspberry Pi. This HAT provides eight differential analog inputs with software-selectable voltage ranges from ±180mV to ±24V, making it suitable for a wide range of measurement applications. At its core, the DAQ HAT features two Texas… |
