Synapse is a pocket-sized, open-source USB-C power supply offering 3.3–21V at 5A with PID control and a sleek, Art Deco design.

Mark Wilson's digital photo frame from an alternate universe displays your images in the style of MacPaint from a vintage Macintosh.

From radio communication to ML accelerators, here are ipXchange's favorite MCUs to build with in 2025 — chosen by engineers, for engineers: www.hackster.io/news/the-fiv...

Mario Bergeron demonstrates how the Tria Vision AI-KIT 6490 can be used for computer vision-based robotics applications, including a hand-controlled Hugging Face LeRobot.

Zeroboy XP is a gorgeous DIY 3D-printed handheld video game emulator.

BIQU is releasing their most exciting new product yet: the Panda Treat food-printing inkjet attachment.

Cerelog’s ESP-EEG is an affordable, open source BCI that brings research-grade brainwave sensing to the hobbyist market.

Dream up your best project of 2025 using some of the latest MCUs, SBCs, or FPGA boards. Apply now for $150 toward your BOM and then submit your finished build for a chance to kick off the new year with a $500 prize.

PICPAK is a thin, color E Ink digital photo frame with a battery that lasts for more than a year between charges.

This Arduino-based TTY generator feeds a modem that drives an ancient teletype machine.

Unemployed Architect 3D printed Inheritance Machining’s rotary table design.

Powered by Infineon's PSOC 6 Wi-Fi BT Prototyping Kit and MicroPython, Magic Pages is a self-turning holiday book that turns pages and plays prerecorded audio on its own.

Take a deep dive into the Apollo Lunar Module thrust meter that helped put astronauts on the Moon over 50 years ago.

LCLDIY created a giant, playable LEGO Game Boy featuring a beautiful electroluminescent display.

Orhun Parmaksız built Tuitar, an ESP32-powered tool that makes guitar practice easier with real-time tuning, games, and signal analysis.

Arnov Sharma's MatTris brings the classic game of Tetris to a custom WS2812 2020 LED-based matrix powered by a Raspberry Pi RP2040.

Driven by the desire to see the world as an air hockey puck, Jake Carlini built a wearable hovercraft suit powered by leaf blowers.

Rohit is launching the new and improved HackyPi 2.0 through Kickstarter.

A tiny voice-controlled, ESP32-powered AI chatbot lives inside a toy astronaut that is cute enough to proudly display on your desk.

You can engrave wood with the 3D printer you already own, without modifying the hardware at all.

Andy van Stokkum modernized a 1955 radio by replacing the old AM guts with an ESP32 to add Wi-Fi streaming and hi-fi 2.1-channel sound.

To make his holiday gingerbread feasting more accessible, The Skjegg built this cookie launcher.

Could you use a few more USB ports on your Raspberry Pi? The Suptronics X1013 expansion board brings the total count up to 14!

Prusa has developed the new Open Community License (OCL) and is showing faith in it by releasing their CORE One and CORE One L files under it.

LeafKVM is an open source wireless KVM that streams HDMI to a browser and emulates a keyboard and mouse. Just plug in the cables and go.

Alireza Alavi repurposed an E Ink tablet as a computer monitor, cutting eye strain for reading and writing.

Build Nicholas Murray's M5Stack-powered testing device before you shop for your next CRT monitor or TV.

Ben James integrated Claude into an old Brother AX-10 electric typewriter.

Tucker Shannon built a tiny, wireless 1.14" ESP32 monitor for a desktop computer.

A Commodore PET got a wild speed boost via an MCL65+, which replaces the processor, RAM, and ROM to run up to 900 times faster.

Bit Cookie's SI-GRID is a clever general-purpose switch that allows you to route 32 pins in any way you desire — creating user-defined interconnects across a 16×16 endpoint grid.

Mario Bergeron's latest tutorial provides a getting started guide for the Hugging Face LeRobot with the Tria Vision AI-KIT 6490.

Show those speeders exactly what they’re doing wrong by building your own handheld radar system.

Justin Miller took advantage of the SAO port to turn his Supercon 2025 badge into a synthesizer.

Solomon Githu developed a simple, AI-powered wearable with Seeed Studio's XIAO nRF52840 Sense that detects hand gestures and controls real-world devices — including your holiday lights.

Distracted by Design rebuilt a vintage radio into something functional and gorgeous.

Unnecessary Automation used an IBM Selectric “golf ball” to build this crazy machine that automatically produces ASCII art-style prints.

A hacker built a booby-trapped gift box with an ESP32-CAM that records video of Christmas present peekers and alerts Santa.

Gadget Industry's DIY smart ring was built by salvaging parts from an old smartwatch.

The REETLE SmartInk I is a phone case with a low-power E Ink screen and one-touch voice recorder that boosts your productivity.

The year may be coming to an end, but our Best of 2025 Competition is just getting started! Apply now for a chance to receive a $150 materials fund to help bring your projects to life and compete for a $500 prize.

Mentra is following the Android playbook and making their MentraOS smart glasses operating system open source.

Chris Huang has released 3D print files and source code for an Arduino-powered "Quad Stick" — a multi-modal input device designed for accessibility.

A smartphone-like mesh networking experience is now possible with MeshCore and the LILYGO T-Display P4.

If you want a way to see the sound in your room, then you should build Arnov Sharma’s beautiful WaveForm background sound visualizer.

FPV Geek built possibly the world's smallest 4K FPV drone for excellent video capture without any unnecessary bulk.

How far can you push the new Arduino UNO Q with sensing and classifying complex environments? The Sensor Fusion Challenge invites you to build an advanced AI solution for a chance to receive a cash payout and to present at EDGE AI San Diego 2026. Apply now!

📍 GPS tracking without a SIM card? Electroscopic Archive’s Wi-Fi GPS Tracker uses our XIAO ESP32-S3 + Neo-6M to send location data over Wi-Fi, with geofencing, route history, and SMS alerts via the GeoLinker cloud—no GSM needed. Check it out on @hacksterio.bsky.social  👉 https://bit.ly/4s0Msp0

A startup used AI to design a powerful Linux single-board computer in a week, slashing engineering time by over 90%.

Tired of misheard voice commands? Thomas built a DIY 16-key Zigbee macropad powered by an ESP32-C6 for smart home control.