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A sub-$10, zero-power water purification platform utilizing passive acoustics, bio-aerogels, and piezoceramic plasma.
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Autogenous Capillary-Plasma System (ACPS) Sub-$10

charles-clark-lawrenceCharles Clark Lawrence

A modular, repairable remote station for amateur radio — open hardware, built almost entirely AI-assisted.
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OE5XRX — Open-Source Modular Remote Ham Station

peter-bucheggerPeter Buchegger

Tiny displays, big numbers, on a tiny Raspberry Pi Zero
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RPI TinynumberHat9

andrew-tudoroiAndrew Tudoroi

Active focus system for laser cutter
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Laser Cutter Follow Focus

jerry-biehlerJerry Biehler

I've always wanted to make my own mini wireless game controller from the ground up so I finally did.
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ESPad: An Open Source Bluetooth Game Controller

sjm4306sjm4306

An attempt to revive an almost dead Trotec laser engraver
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Retrofitting an old laser engraver

jp-gleyzesJP Gleyzes

The Philips MC6400 was an educational micro computer featuring the National Semiconductors INS8070 (SC/MP III) from 1984
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Scope Vector Graphics with the Philips MC6400

michael-wesselMichael Wessel

ESP32/PC SINAD indicator exploring filters, ADC limits, and practical receiver evaluation.
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A DIY Digital SINAD/Waveform indicator on ESP32/PC

nobchanobcha

An update broke my WiFi microscope's app entirely, so I reverse-engineered its protocol — now it streams 25-30 fps instead of nothing.
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Reverse-Engineering a WiFi Microscope MS5

yuriiYurii

Electron is a multi-motor solid TVC rocket designed for vertical takeoff, hover, and landing using thrust vectoring.
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Electron

kruthick-jothimanikruthick jothimani

Patternflow is an open-source LED synthesizer played with the fingertips.
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Patternflow

seunghun-leeSeunghun LEE

Cyberpunk holographic terminal clock powered by RP2350, featuring a transparent OLED display, animated UI, rechargeable battery
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Cyberpunk Holographic Terminal Clock

yakroo108Yakroo108

"The display becomes a terminal. The computing happens elsewhere."
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Hardware-Accelerated Display Streaming Decoder

gitzigitzi

A VFD clock built from a recycled calculator display, powered by a single AA NiMH cell with USB backup and custom VFD driving.
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Single-AA NiMH VFD Clock from a Recycled Calc

sciterSciter

An open hardware bench tool that plugs into your CI: sensor sim, CAN, analog I/O, power control, and a Python SDK with pytest integration
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BenchPod

edward-viaeneEdward Viaene

I build a model railway controller using analog PWM & block detection with manual and automatic control, and I evaluated the passing siding.
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Model Railway Controller using Analog PWM

mitsuru-yamadaMitsuru Yamada

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