maker community

Espressif's latest ESP32 chip can now boot Linux, a milestone for a microcontroller line traditionally limited to bare-metal and RTOS work. Reports note the low-cost chip is approaching entry-level Raspberry Pi capability, sparking debate among makers about whether cheap microcontrollers could soon replace single-board computers for simple projects.

Several independent projects have revealed that the ESP32 microcontroller, a cheap chip widely used in hobbyist electronics and IoT devices, contains undocumented software-defined radio capabilities. Makers are now experimenting with these features to receive radio signals without extra hardware, greatly expanding what the $5 chip can do. The discovery is generating excitement in the hardware hacking and radio communities.

A maker has built a $6 device around an ESP32 microcontroller that reportedly outperforms a comparable IKEA product, and has released the design as open source. The project is drawing wide attention online, with commenters praising the low cost, the decision to share it freely, and the idea that hobbyist hardware can beat a major retailer's offering.

A developer has released an open-source tool on GitHub that uses AI to generate Lego designs, sharing it with Hacker News readers. The project, called ldraw-nova, works with the LDraw format used for Lego models. Early engagement suggests interest from the maker and AI communities, with users likely debating its output quality and what open-source AI generation means for custom brick building.

CHOMPI, the pocket-sized sampler instrument popular with hobbyist musicians, has released both its hardware designs and its software under open-source licenses. The move lets owners and developers modify, repair and build on the device freely, and the project has drawn attention from the maker and electronic music communities as a notable example of a commercial instrument opening up completely.

La MaMa and Spiderwoman Theater are presenting a Global Indigenous Theatre Festival in New York, bringing together Indigenous artists and productions from around the world. The programme highlights Indigenous storytelling on an international stage and continues both organisations' long histories of championing experimental and underrepresented voices in theatre.

Hackaday has published a piece exploring the use of OpenSCAD, the open-source 3D modelling software usually associated with parametric design and 3D printing, in a gardening context. The writeup has drawn modest attention among open-source hardware enthusiasts, who enjoy seeing maker tools applied outside their usual workshop settings, though details of the project itself remain limited to the article.

A hobbyist robotics project called dogsbod has been presented online: a homemade quadruped robot designed, built and programmed from scratch to walk across complex terrain. The writeup describes the design and construction process and cites the builder's long-standing fascination with four-legged robots as the motivation for the build.

Software developer Ryan Strace has released a project aimed at making motion control easier to implement, arguing that the field is notoriously difficult for engineers and hobbyists. The release has drawn strong attention, with tens of thousands of people engaging with the announcement. Viewers are discussing how accessible tooling could lower the barrier to robotics and camera motion work, where precise control of movement typically requires deep technical expertise.

The CHOMPI Sampler, a small standalone audio sampler popular with hobbyist musicians, has been released as an open source project. Its design files are now publicly available, allowing users to study, modify and build their own versions of the device. The move has drawn attention in the maker and electronic music communities, where open sourcing music hardware is often celebrated as a way to encourage experimentation and community-driven development.

A new tutorial explains how to build a Raspberry Pi-based AI companion featuring a real-time animated face created with Rive AI. The project combines affordable hardware, AI software, and expressive animation, and is being shared across robotics, coding, and engineering communities. Enthusiasts are discussing it as an accessible entry point into personal AI robotics.

Engineers have demonstrated a way to hold objects against a ceiling without any physical contact, using high-frequency vibration — most likely acoustic levitation, where sound waves generate pressure that pins lightweight items in place. The writeup walks through the physics and the DIY build. Makers and science hobbyists are sharing it, impressed that near-field levitation can be done with inexpensive hardware.

Hackaday features a DIY electronic busy board, an interactive activity panel built for children that doubles as an electronics project for makers. The write-up highlights how switches, lights and other components make it engaging for kids while giving hackers a fun hardware build. It is being shared among the DIY and maker community.

A pool owner found the robot cleaner's drive so worn that the propeller kept slipping, and responded by designing a replacement part in FreeCAD and 3D printing it. The new orange drive spins constantly and engages the propeller through a helical dog clutch, so the propeller only turns when the two parts lock together. The post shows the finished fix, drawing attention for its neat engineering approach to repair rather than replacement.

Seamark, a free open-source logbook for sailors, has introduced itself to the fediverse. The app lets users import a GPX track and see distance sailed, night hours, countries and sea areas passed, crew and weather records, all plotted on one chart. Built by a solo developer, it is aimed at sailors who want their entire sailing life recorded in one place.

Jussi Pakkanen, creator of the Meson build system, has been invited by Norwegian Unix user group NUUG to speak in Oslo. His talk, "Building a Super 8 Film Scanner at Home", describes how he repaired a 1970s projector and built a scanner using a Raspberry Pi, stepper motors, 3D-printed parts and machine vision to digitise Super 8 film.

A piper has written a public note of thanks responding to the book Highland Bagpipe Makers, which documents the craftsmen behind Scotland's national instrument. The response, shared on a bagpipe news outlet, reflects appreciation within the piping community for a reference work celebrating the instrument's maker heritage. The exchange has drawn warm attention from piping enthusiasts.

An open source tricorder project, inspired by the Star Trek scanning device, has been developed with a focus on genuine scientific measurement rather than novelty gadgetry. The build combines sensors and open hardware to capture real environmental data, and it is drawing attention in the maker community for its emphasis on practical, science-first design over sci-fi gimmickry.

Hindus for Human Rights is hosting an interfaith screening of the film 'Satluj' in Milpitas, California, followed by a question-and-answer session with the director. The event brings together community members of different faiths to watch the film and discuss its themes directly with its maker. Interest centres on the film's subject matter and the dialogue it sparks at the gathering.

A new open-source project called JBR-001 offers a fully 3D-printable desktop companion robot powered by an Arduino Uno Q. The design and build instructions are published on Arduino's Project Hub, letting anyone download, print and assemble the robot themselves. Makers and hobbyists are sharing the project, praising its accessibility and the growing range of open-source robotics hardware available to home builders.

A call is going around asking founders and independent developers to share what they are currently building so more people can discover it. The prompt, tagged with BuildInPublic, Startups and IndieHackers, invites makers to promote their projects in public rather than working quietly. Responses and shares suggest an active community of indie hackers eager to trade visibility and feedback on early-stage work.

A maker has built a trailer hitch cover shaped like NASA's classic 'meatball' insignia, produced on a 3D printer and finished with hand painting. They shared the result with fellow enthusiasts, noting uncertainty about how well it will hold up outdoors. The project has drawn attention in DIY and maker circles as a fun example of home 3D printing for customized car accessories.

A widely shared explainer traces how open source software and community-driven projects shaped the development of FPV (first-person view) drones, from flight controller firmware to ground station tools. The piece highlights how hobbyist collaboration, rather than proprietary development, drove much of the innovation behind today's popular drone racing and freestyle scenes, drawing strong engagement from the drone and maker communities.

A call is going around the build-in-public community asking founders to share links to what they are currently building, with the promise that someone reading might become their first user. The prompt, tagged under BuildInPublic and IndieHackers, is drawing small but active engagement from indie makers looking for early feedback and initial customers.