RepRapMicron(github.com)
436 points by RobotToaster | 69 comments
GitHub wiki for µRepRap (RepRapMicron), an open-source project to build a self-replicating 3D printer capable of micron and sub-micron fabrication from common materials.
#open-hardware on Hacker News
34 stories tagged open-hardware, newest first.
Open MicroManipulator – A sub-micrometer 3D motion control plattform(github.com)
209 points by _Microft | 16 comments
GitHub repository for Open MicroManipulator, an open-source sub-micrometer 3D motion control platform with construction files, electronics, and firmware.
CHOMPI portable sampler instrument is now open-source (hardware and software)(chompiclub.com)
99 points by lashkari | 26 comments
Chompi Club's page announcing the discontinuation open-source release of the CHOMPI portable sampler's hardware and software files.
FreeInk: Open ecosystem for e-readers(freeink.org)
670 points by FriedPickles | 145 comments
Homepage of Free Ink, an open-source collective building software, firmware, and hardware for e-paper readers.
Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s
2701 points by section33 | 307 comments
Show HN post describing a DIY ESP32-based bowling scoring and lane-control system, OpenLaneLink, built to replace a costly proprietary system in a rural bowling center.
OpenWrt One – Open Hardware Router(openwrt.org)
783 points by peter_d_sherman | 292 comments
OpenWrt wiki Table of Hardware page for the OpenWrt One router, a MediaTek Filogic 820-based WiFi 6 device, with specs and installation and upgrade instructions.
OpenPrinter(opentools.studio)
1033 points by bouh | 254 comments
Product page from OpenTools for Openprinter, an open-source, repairable inkjet printer that feeds from a paper roll.
Valve open-source the Steam Machine e-ink screen so you can make your own(gamingonlinux.com)
529 points by ahlCVA | 99 comments
GamingOnLinux article reporting that Valve has released the Steam Machine e-ink front display design on GitLab under the MIT license so people can build their own.
Open Source Low Tech(opensourcelowtech.org)
608 points by grep_it | 121 comments
Homepage of OpenSourceLowTech.org, where Daniel Connell shares free open-source designs and tutorials for basic technologies built from recycled materials.
Flipper One – we need your help(blog.flipper.net)
1208 points by sandebert | 464 comments
Flipper blog post by Pavel Zhovner introducing Flipper One, a portable Linux computer, and asking the community for help with its development.
Valve releases Steam Controller CAD files under Creative Commons license(digitalfoundry.net)
1665 points by haunter | 564 comments
Digital Foundry news article reporting that Valve has released CAD files for the Steam Controller under a Creative Commons license for modders.
The Free Universal Construction Kit(fffff.at)
363 points by robinhouston | 83 comments
F.A.T. Lab's page for the Free Universal Construction Kit, 3D-printable adapters between construction toys; the capture returned a 403 Forbidden error.
Baochip-1x: What it is, why I'm doing it now and how it came about(crowdsupply.com)
326 points by timhh | 71 comments
A Crowd Supply project update by Andrew 'bunnie' Huang explaining the Baochip-1x RISC-V microcontroller with mostly open RTL, why he is launching it now, and its origins.
LT6502: A 6502-based homebrew laptop(github.com)
398 points by classichasclass | 207 comments
GitHub repository for LT6502, an open-source 6502-based homebrew laptop design with case files, schematics, and software.
Project Patchouli: Open-source electromagnetic drawing tablet hardware(patchouli.readthedocs.io)
416 points by ffin | 48 comments
Documentation site for Project Patchouli, an open-source electromagnetic resonance pen tablet hardware implementation with coil array, RF front end, and DSP algorithms.
Arduino published updated terms and conditions: no longer an open commons(molecularist.com)
325 points by felineflock | 104 comments
Blog post on Molecularist asking whether Qualcomm's acquisition and Arduino's updated terms and conditions have ended Arduino as an open commons.
The Death of Arduino?(linkedin.com)
379 points by ChuckMcM | 191 comments
LinkedIn post by Adafruit criticizing Qualcomm-owned Arduino's rewritten Terms of Service and Privacy Policy as a break from open-hardware values.
FreeMDU: Open-source Miele appliance diagnostic tools(github.com)
318 points by Medusalix | 84 comments
GitHub repository for FreeMDU, open hardware and software tools for communicating with Miele appliances via their optical diagnostic interface.
Show HN: I've built a tiny hand-held keyboard(github.com)
377 points by mafik | 102 comments
GitHub repository with firmware, board files, and layout generator for making a KEYER, a one-handed chorded hand-held keyboard.
We regret but have to temporary suspend the shipments to USA(olimex.wordpress.com)
506 points by CTOSian | 427 comments
Olimex blog post announcing a temporary suspension of shipments to the USA, dated August 26, 2025.
OpenMower – An open source lawn mower(github.com)
532 points by rickcarlino | 166 comments
GitHub repository for OpenMower, an open source project to upgrade cheap robotic lawn mowers into RTK GPS-based smart mowing robots.
Open hardware desktop 3D printing is dead?(josefprusa.com)
609 points by rcarmo | 374 comments
Josef Prusa's article arguing open hardware desktop 3D printing is dying due to Chinese utility model patent filings, with an update on Anycubic's MMU-related patent.
Show HN: FlopperZiro – A DIY open-source Flipper Zero clone(github.com)
338 points by iraton | 73 comments
GitHub repository for FlopperZiro, a cheap DIY open-source Flipper Zero clone built with Arduino IDE, including PCB schematics and firmware.
OpenERV(openerv.ca)
739 points by graboy | 233 comments
Homepage of OpenERV, an open-source energy recovery ventilator project offering source code, a store, and information about the device.
Phased Array Microphone (2023)(benwang.dev)
560 points by bglazer | 179 comments
Blog post describing a 192-channel open-source phased array microphone with FPGA data acquisition and GPU beamforming and visualization.
Hacker Fab(docs.hackerfab.org)
417 points by ipnon | 129 comments
Documentation home for Hacker Fab, an open-source project aiming to make integrated circuit prototyping as fast and accessible as 3D printing.
Make It Yourself(makeityourself.org)
562 points by deivid | 76 comments
Download page for "Make it Yourself", a free book cataloging 1000 useful DIY things to make, version 1 from November 2024.
Turn your Android phone into a modern ham radio transceiver(kv4p.com)
480 points by thcipriani | 171 comments
Project homepage for kv4p HT, free open source software and hardware that turns an Android phone into a ham radio transceiver.
Sitina1 Open-Source Camera(gitlab.com)
338 points by zdw | 139 comments
GitLab repository for Sitina1, an open-source digital camera project by Wenting Zhang, released under the MIT License.
Hackberry-Pi_Zero – A handheld Linux terminal using Raspberry Pi Zero 2W(github.com)
550 points by felixr | 145 comments
GitHub repository for Hackberry-Pi_Zero, an open-source handheld Linux terminal built on a Raspberry Pi Zero 2W with a 4-inch 720x720 TFT display.
Glider – open-source eInk monitor with an emphasis on low latency(github.com)
641 points by mistercheph | 117 comments
GitHub repository for Glider, Modos Labs' open-source E-ink monitor project with PCB, firmware, and case designs, mirrored from GitLab.
DeskHop – Fast Desktop Switching(github.com)
1196 points by rcarmo | 259 comments
GitHub repository for DeskHop, an open-source Pico-based device for quickly switching keyboard and mouse between two computers.
Linear Book Scanner – Open-source automatic book scanner (2014)(linearbookscanner.org)
365 points by gorenb | 76 comments
Project site for the Linear Book Scanner, a low-cost open-source automatic page-turning book scanner with video, how-to, and designs.
FindMyCat – Open-Source Pet Tracker(findmycat.io)
499 points by popey | 309 comments
Landing page for FindMyCat, an open-source pet tracker device with links to its engineering details and GitHub repository.