JBR-001 is an open-source, 3D-printable desktop companion robot built around an Arduino® UNO™ Q intended to make robotics, computer vision, edge AI and physical AI approachable. The project supplies printable parts, wiring schematics, assembly instructions and a GitHub repository with Arduino code and assets under a permissive license. Hardware referenced includes an Arduino UNO Q (2GB), Modulino distance sensor, Modulino motors and buzzer, an Arduino USB-C hub, and an LED matrix display; a desktop 3D printer and the Arduino App Lab are listed as required tools.
The included firmware drives three servos (head, left and right arms), an LED matrix that renders two heart bitmaps with a heartbeat animation (timed state machine), and a buzzer that plays a four-note greeting. Startup behavior moves the head left/right then centers it, cycles arm poses, and displays a small heart. A proximity routine uses a Modulino distance sensor with detection and reset thresholds (200 and 250 units) to set an objectDetected flag and trigger reactions. Downloadable files include schematics PNG and a PDF assembly guide, making the build reproducible for hobbyists and educators who want a simple, responsive desktop robot platform.
Summary generated by AI from the linked article. hn.today is not affiliated with Hacker News or Y Combinator.
Ceiling fans are experiencing increased popularity and innovative designs to improve energy efficiency and airflow. Some models now incorporate smart technology for remote control and automation. (mcmansionhell.com)
High-Bandwidth Memory (HBM) is expected to decline by 90% in volume over the next 7-10 years, according to Irrational Analysis. DRAM stocks could double before experiencing a drop of at least 70% from their peak within a decade. (irrationalanalysis.substack.com)
Framework has opened pre-orders for its 192GB Desktop DIY Edition featuring AMD Ryzen AI Max 400 Series, starting at $11,239. Customers can choose between DIY or pre-built options, with the ability to order multiple units and customize configurations. (frame.work)
Groundrun automates Wi-Fi setup testing on the ESP32, ensuring reliable connection methods like Bluetooth, Soft AP, and WPS are consistently functional. A simple custom app sends credentials via different protocols to test each setup process. (groundrun.io)
China's 2.2MW EV chargers are already in service across five cities, enabling charging in under five minutes. The US is considering 750kW chargers, expected to arrive next year after delays from 2026. (electrek.co)
The CHOMPI portable sampler instrument has been released as open-source, with hardware and software files available on GitHub for developers to customize. The project is discontinued and no further updates will be provided, but the community can discuss and share creations on the CHASE BLISS Discord. (chompiclub.com)
Today's best Hacker News stories, summarized and screenshotted, one email a day.