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PiTime is a compact, LED-based mathematical clock that blends electronics and design to transform time into a problem-solving experience.
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PiTime — a Mathematical LED Clock

next-builderNext Builder

Air Sense is a smart IoT air purifier that monitors indoor air quality in real time and automatically removes harmful pollutants
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AirSense - the Smartest DIY Air Purifier

next-builderNext Builder

A smart, low-cost, 1000W, 80V, 50A programmable electronic load powered by an ESP32-C6, featuring a web-app UI and novel thermal management.
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Smart 1000W electronic load without a heatsink!

oliver-ridlerOliver Ridler

A USB-C PD Sink up to 140 W, 28 V, 5 A based on the Diodes Inc. AP33771C USB PD Controller
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USB-C PD 3.1 EPR Power Delivery Sink - AP33771C

magicwolfiMagicWolfi

A USB-C PD Sink up to 20V 5A based on the Cypress CYPD3177 USB PD Controller
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USB-C Power Delivery Sink - CYPD3177

magicwolfiMagicWolfi

3D printed running aid
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3D printed truck

lion-mclionheadlion mclionhead

After 7 years, the project is still very much alive!
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WEEDINATOR 2026 Agricultural Robot

goat-industriesGOAT INDUSTRIES

Another homebrew computer based on the MSX standard. But it uses a Z380 microprocessor.
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XRX - eXperimental Research X

marcellus-pereiraMarcellus Pereira

Built the tricorder I actually wanted in the field: one that warns, not just measures.
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ATLAS

apollo-timbersApollo Timbers

This project turns a static speaker into a rugged, battery-powered garden radio.
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Bose Sountouch 10 - Drill Battery Mod

mrelseMr.Else

Homebrew Motorola 68k single-board computers running mainline Linux
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Mackerel-68k Linux SBCs

colin-maykishColin Maykish

A tiny FPGA-resident programmable sequencer that controls time and space directly
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PTSG — Programmable Timing Sequence Generator

tsuneoohnakaTsuneo.Ohnaka

A modular analog computer. The modularity makes the system scalable and flexible.
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Modular analog computer

marco-mMarco M

A beginner made a typing practice device.
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Haptic Touch Typing Trainer Using Vibrating Keys

cupricecuprice

Rebuilding the original Game Boy DMG with modern hardware while preserving its look, feel, and AA battery spirit.
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PicoDMG

dodger-onedodger one

Building a Pen Plotter with automatic toolchanger with components from an old RepRap style 3D Printer. Runs on Klipper.
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Limn: Pen Plotter with Toolchanger

prashant-sinhaPrashant Sinha

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