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An open-source RP2040 board with VGA for retro emulation, featuring an I2C addon, a standalone OS, and custom MicroPython games!
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RetroPico

jp-michonJP Michon

A mini PC with no PCIe slot, two M.2-to-OCuLink links and two used Tesla P4s: 16 GB of GPU memory for about $600.
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EvE v2: Two Tesla P4 GPUs on a Mini PC for $600

spiritualcreations42SpiritualCreations42

Getting my ClassicII Mac failing 73s HTTPS handshake under 15s server timeout; To loading a resumed secure call under 2s; Without proxy!
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HTTPS on a 68k Macintosh, a race against the clock

lin-van-der-slikkeLin van der Slikke

Where we harness the power of AI and OpenSource to spin a new generation of LambdaSpeak 3 for the Amstrad CPC # RC2026/10 Entry! #
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LambdaSpeak 4 aka LambdaSpeak AI

michael-wesselMichael Wessel

Open-source USB-C wall display for PM2.5 air quality, built on Seeeduino XIAO SAMD21, with color LEDs, auto brightness, 0.1 µg/m³ steps.
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USB-C wall PM2.5 display for clean room

aleksei-tertychnyiAleksei Tertychnyi

A 2m modular autonomous model submarine I'm building alone in my apartment: 3D-printed hull, ballast, sonar. Civilian, educational.
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Akula: a 2m autonomous model submarine

dennis-hudikovDennis Hudikov

A scaled-up version of the original Game Boy, but not really; the hardware is an SBC running Windows.
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Game Boy Advance XL

arnov-sharmaArnov Sharma

A 10-year maker journey meets enterprise AI. Building a live agentic intelligence display for AWS re:Invent 2026.
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AXIS: Building an AI Display for AWS re:Invent

darian-johnsonDarian Johnson

ESP32-S3 round-display clock that speaks your recorded reminders at set times, with BLE WiFi setup and a web UI.
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Daily Companion: A Talking Reminder Clock

himanshu-dadaHimanshu Dada

A brand new, custom 16-bit microcomputer on which to teach kids the fundamentals. Recommended age 7 to 77.
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The BlueSkyMicro

roboj1mRoboJ1M

Open-source fluid control and safety drainage system for ambulatory Foley catheter users.
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Foley Catheter and Leg Bag Interfaces

donald-clifford-turnerDonald Clifford Turner

A freeform brass wire sculpture featuring a round capacitive touch screen, 6-axis IMU auto-rotation, and reactive led filaments.
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YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

yumobuildsYUMO.BUILDS

Tiny ESP32-C3 desk gadget with OLED, live weather sensing, proximity glow & a phone-controlled web interface.
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YUMO PULSE — ESP32-C3 Desk Gadget

yumobuildsYUMO.BUILDS

8-bit CPU/GPU, 640x480 VGA, made of ATF22V10 PLDs and a handful of 74-series chips, all DIP through-hole.
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PLACARD: homebrew computer built from 22V10 PLDs

justin-davisJustin Davis

A bone-conduction speaker breakout for experimenting with vibration-based audio output.
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Bone Conductor Headphone Speaker Breakout Board

michael-yimMichael Yim

A motorized mechanical music-box breakout playing Canon in D, with PWM tempo control.
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Canon in D Chorus: Mechanical Music Box Breakout

michael-yimMichael Yim

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