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Multi-stage overvoltage protection and supervision, AT and ATX mode. Set it up any way you want and power PCs from 80s to early 00s.
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AT(X)Anything: a modular DC-DC PSU for retro PCs

w-adalbert-jastrzebskiW. "adalbert" Jastrzebski

A from-scratch C89 compiler that generates x86-64 Linux executables directly, complete with a text-mode IDE and source-level debugger.
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Flash C

dilshan-jayakodyDilshan Jayakody

Development board and conference badge based on the 1976 Intel 8048 microcontroller
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Intel MCS-48 Badge

mwfeurtadomwfeurtado

8-bit CPU/GPU, 640x480 VGA, made of ATF22V10 PLDs and a handful of 74-series chips, all DIP through-hole.
Project Owner Contributor

PLACARD: homebrew computer built from 22V10 PLDs

justin-davisJustin Davis

DIY hot air station built for under $100, with a Teensy 3.2, ATTEN handle, touchscreen, heat and airflow controls, and cooling.
Project Owner Contributor

DIY Hot Air Rework Station for Under $100

emilioEmilio

7-segment displays A hand-bent brass wire sculpture, clock powered by ESP32-C3 with NTP time sync.
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YUMO GLOBE - Digital Clock

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

...or 1990: "GeoWorks Ensemble" (PC/GEOS) on 3Com Audrey
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Coding like it's October 17, 2000

darekdumondarekdumon

Hand-built miniature 'almost' replica of the IBM PC 5150. No AI, CAD, or 3D printing was used or harmed during this production.
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IBM PC 5150 Almost-Replica

rajaRaja

A haptic-feedback module that briefly runs a vibration motor when its enable input detects a falling edge.
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Haptic Feedback Module for UI Buttons

michael-yimMichael Yim

A castellated MicroSD breakout exposing both SPI and SDIO signal connections.
Project Owner Contributor

MicroSD Card SPI / SDIO Castellated Breakout Board

michael-yimMichael Yim

A miniature stepper-driven linear actuator family with a threaded metal slider and DRV8833 driver.
Project Owner Contributor

Mini Stepper Linear Actuator: Original and Ver B

michael-yimMichael Yim

A 0.42-inch RGB TFT breakout with 96×54 resolution and SPI communication.
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Miniature 0.42-inch RGB Color TFT 96x54 Display

michael-yimMichael Yim

A 0.42-inch OLED reflected through a 1cm cube prism, controlled over I2C.
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Mini Transparent Cube OLED Display Screen Breakout

michael-yimMichael Yim

An autonomous 4-wheel drive explorer robot based on Arduino UNO R4 WiFi, designed to navigate through paths and mazes
Project Owner Contributor

4WD SLAM Radar 2D Robot Car

luca-fagioliLuca Fagioli

An ESP32-powered desk gadget with six round displays, with one touch its start spinning.
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YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuildsYUMO.BUILDS

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