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An interactive badge for the Seattle GNU/Linux Conference with live hashtag updates for the event.
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SeaGL 2025 Badge (Unofficial)

johnsonfarmsusJohnsonFarms.us

Mistreating an LM3909 and a 7473 to test diodes - a recreation of a 40 year old device.
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The IC abusing diode tester

joseph-eoffJoseph Eoff

The aim of this project is to make high grade DIY or turnkey AFM.
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Atomic Force Microscope - from ground up

100dollarhacker100dollarhacker

Hint: You likely have one in your spare parts bin
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Need an Electrical Slip Ring?

luke-j-barkerLuke J. Barker

WingFC is an open-source, TinyGo-based embedded flight controller for sub-250g fixed-wing aircraft with elevons.
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WingFC

bryan-souzaBryan Souza

Reverse-biased LEDs repurposed as photodiodes measure ambient light flux with an RP2040 core, OLED readout, and precision analog front-end.
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Photon Flux Analyzer v2 — Reverse-Bias LED Sensor

zazie-kanwar-torgeZazie Kanwar-Torge

Late nights get lonely, so I built Operation Pinocchio—turning my AI skeleton cohost Little Timmy into a real, local, talking robot.
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Conversational, Local, AI Companion

gearscodeandfiregearscodeandfire

Make any guitar or bass guitar fretboard any style, just command line flags and preseto
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Fretboard Calculator

avrAVR

By wiring simple electrical components like relay, neon bulb and a 9V battery, back emf from the relay can be used to light the bulb.
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Glow a neon bulb using 9V DC battery and a relay!

meinsamayhunmeinsamayhun

Building a better linear CCD scanner camera - Not just a scanner in a box -
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Project Gigapixel - Linear CCD camera

yannick-gigawipfYannick (Gigawipf)

Vintage pressure gauge hacked into a frequency meter, sensing the 50 Hz electrical grid tremors; time wavers, bends, and fades away.
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Electric time

thomasfaurethomas.faure

A Can-sized robot powered by an ESP32, combining motion, sensors, and expressive displays to explore perception and personality.
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F.I.E.B (Friendly Interactive Exploring Bot)

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A system designed to capture and collect energy from EMFs, now being refined to enhance circuit efficiency and output.
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AEFC - Ambient Energy Field Converter

rhea-raeRhea Rae

With automatic arming, photo and GIF support, mobile notifications and remote control
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Raspberry Pi Security System in Python

max-williamsMax Williams

A simple way to repeatedly activate the camera's shutter
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Intervalometer For Canon's EOS Rebel Cameras

shiftswiftShiftSwift

HubPiWi Blue is an add-on for the Pi Zero that contains WiFi plus Bluetooth.
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HubPiWi Blue - Add on for Pi Zero

abhinav-shuklaAbhinav Shukla