Show HN: An e-ink frame that hears birds and draws them as 1800s illustrations
An e-ink frame detects bird sounds and displays 1800s-style illustrations of the birds. The project is open source and available on GitHub. (github.com)
Show HN · Hardware
Show HN: Open-Source eInk Bike Computer
OpenTrailPaper is an open-source firmware for the LilyGO T5S3 e-paper bike computer, allowing riders to track rides, navigate GPS routes, and record data offline. The device can operate independently after loading maps and routes via a companion app, with Bluetooth sensors for heart rate and power data. (opentrailpaper.com)
The daily digest
Today's best Hacker News stories, summarized and screenshotted, one email a day.
Show HN: Copperhead – Hardware as Fast as Software
Copperhead is an open-source platform that streamlines hardware design by enabling AI-assisted circuit board creation and verification. It integrates decision tracking, automated checks, and file propagation to simplify hardware engineering workflows. (copperhead.sh)
Launch HN: Nori Robotics (YC S26) – A low-cost humanoid robot for development
Nori Robotics is launching the Nori A3 humanoid robot, priced at $1,688 and shipping in fall 2026. It supports daily tasks like cooking, tidying, and fetching, with customizable skills via a home training app. (norirobotics.com)
Show HN: Hacking a $20 4G wireless hotspot into a texting device
A $20 4G wireless hotspot was modified into a texting device by installing Linux and connecting a custom keyboard. The project leverages open-source tools and hardware hacking to repurpose inexpensive electronics for communication purposes. (bkovac.github.io)
Show HN: PaperMono, e-ink fridge magnet shopping list with mobile web page
PaperMono is an e-ink fridge magnet that displays a shopping list and connects to a mobile web page for easy updates. It combines low-power e-ink display technology with web integration for convenient household organization. (github.com)
Show HN: Kinesis – Control your Mac with the Meta Neural Band
Kinesis is a tool that enables users to control their Mac computers using the Meta Neural Band. It leverages AI technology to provide a hands-free, gesture-based interface for Mac control. (github.com)
Show HN: JBR-001 – An open-source 3D printable desktop robot
JBR-001 is an open-source desktop robot built with Arduino Uno Q, designed for robotics, computer vision, and AI exploration. It features movable head and arms, a display, and sensors, with source code available on GitHub. (projecthub.arduino.cc)
Show HN: ZSvirt – A lightweight, scalable open source virtualization platform
ZSvirt is an open source virtualization platform designed to be lightweight and scalable. It aims to provide efficient virtualization solutions for various computing needs. (github.com)
Show HN: Npunlock – Run custom C kernels for Intel NPUs
Npunlock enables running custom C kernels on Intel Neural Processing Units (NPUs). It provides tools for developers to customize and optimize AI workloads on Intel hardware. (github.com)
Show HN: Panda, the world's first personal AI computer
Panda is the world's first personal AI computer that runs entirely in a home device, eliminating reliance on data centers and subscriptions. It enables users to chat, code, research, and create media with all processing done locally, ensuring privacy and control. (pandax1.com)
Show HN: We Beat MLPerf: Modern Storage for KV Offload and LLM Training
OpenLake's Infinity Core I/O Engine achieved the highest read and write bandwidth in the MLPerf Storage v3.0 benchmark for Llama 3.1 8B checkpointing, with 6.72 GiB/s write and 11.55 GiB/s read speeds. The system's high performance is driven by its asynchronous I/O engine utilizing io_uring and GPUDirect Storage technology. (theopenlake.com)
Show HN: Foldelight – the iPhone Duo folding effect the MacBook was owed
Foldelight adds the iPhone Duo's folding-glass effect to MacBook lids, creating a visual illusion. It was developed using GPT-6 Astra and is released under the AGPL-3.0 license. (lufzle.dev)
Show HN: I'm Serving Esp32s31.fun
esp32s31.fun is an experiment to test the stability of a system running on ESP32 microcontrollers. The goal is to see if it can operate for a week without crashes or reboots. (news.ycombinator.com)
Show HN: Three genlocked RP2350B make a console – 3k sprite pixels per line)
papyDeck is a small, open-source console that runs Lua scripts as games, with source code accessible and modifiable by users. It features high-resolution graphics, multiple cores, and can display games over HDMI, emphasizing transparency and user creativity. (papydeck.eu)
Show HN: A $25 DIY alternative to $159 AI voice recorders – BYOK or local
Zeph offers a $25 DIY hardware device that enables push-to-talk voice interaction with AI agents, replacing expensive voice recorders. It integrates with popular tools and works locally on-device, enhancing productivity and privacy. (zephclick.com)
Show HN: I built a tiny camera that knows where it is
Mighty Camera is a tiny device that performs onboard visual-inertial SLAM, providing real-time position and orientation data for robots. It integrates a camera, IMU, and compute in a 10g package, enabling small robots to navigate without additional computers. (mightycamera.com)
Show HN: I am vibe coding a drone
FORGE is a platform where users can vibe code hardware, including drones, with options to explore as guests or sign in as owners. It emphasizes engineering as code and provides access to hardware development tools. (ai-eng-design-production.up.railway.app)
Show HN: Fast, Lightroom-compatible RAW photo editor for Linux and macOS
RAWMAKASE is a fast, Lightroom-compatible RAW photo editor designed for Linux and macOS. It aims to provide a streamlined editing experience for professional and amateur photographers. (github.com)
Show HN: Think Turing Complete, but you write the circuits in TypeScript (WIP)
Simten is a tool that allows users to build a computer by creating circuits in TypeScript. It provides an interactive interface for selecting, moving, and deleting nodes and edges in the circuit design. (play.simten.dev)