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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.
Project Owner Contributor

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

Getting my ClassicII Mac failing 73s HTTPS handshake under 15s server timeout; To loading a resumed secure call under 2s; Without proxy!
Project Owner Contributor

HTTPS on a 68k Macintosh, a race against the clock

lin-van-der-slikkeLin van der Slikke

A 10-year maker journey meets enterprise AI. Building a live agentic intelligence display for AWS re:Invent 2026.
Project Owner Contributor

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.
Project Owner Contributor

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

A 128×64 SSD1315 I2C OLED module with castellated pads for low-profile PCB integration.
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Castellated 0.9-inch SSD1315 128x64 I2C OLED

michael-yimMichael Yim

A circular diffused white LED backlight with a two-pin breakout connection.
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Circular 3.4-inch Diffused White LED Backlight

michael-yimMichael Yim

A low-profile Raspberry Pi protoboard using press-fit header contacts and a 288-position grid.
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Custom Protoboard for Low-Profile Raspberry Pi Fit

michael-yimMichael Yim

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