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Calchemy™ allows you to perform dimensional arithmetic, analysis, and conversions using any standard units, entirely in your web browser!
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Calchemy™ -- Math Magic

richard-testardiRichard Testardi

Using a Maple Mini programmed in Arduino to control the Internet Radio Station playing on my Raspberry Pi
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Arduino (STM32F1xx) Joystick Input to Raspberry Pi

ray-burneRay Burne

ATmega2560 based SBC with VGA, PS/2 and SD cards - meant to run FORTH now and serve as graphic card later.
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MHF-002 (Mega Home FORTH)

gilhadGilhad

An expandable 68000 based computer
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Y Ddraig - My 68000 Computer

stephen-moodyStephen Moody

34 years ago, I wrote a simple game to help my daughter with her understanding of Coordinate Geometry.
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The DOTS & BOXES Game

ray-burneRay Burne

Wheeled biped robots with fully open source hardware and software.
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Upkie wheeled biped robots

upkie-wheeled-bipedsUpkie wheeled bipeds

Autonomous walking piratebox
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Walking Server

quackieduckieQuackieduckie

The Definitive Guide to Precision Power: Mastering the INA219 & INA226
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Mastering the INA219 & INA226

puneet1984puneet1984

Allwinner T113-S4 SOC chip is a 2xCortex-A7+1xRISC-V+256M DDR3 processor with RGB_MIPI_LVDS_8080 LCD driver.
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SBC-T113 RGB/MIPI/LVDS/AMOLED/QSPI/MCU LCD

eleclabElecLab

Task is very simple. Just lit a LED and shift it left and right endlessly in a array of 8 LEDs. But NOT by the usual way or Logic you think!
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MCS-85 - Self modifying program

mit41301mit41301

custom(izable) circuit for sending some megabytes over differential pairs.
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miniMAC - Not an Ethernet Transceiver

yann-guidon-ygdesYann Guidon / YGDES

Flea-Scope™ is a very low-cost ($18 at Elecrow) and easy-to-use 18 Msps USB oscilloscope and mixed-signal logic analyzer.
Project Owner Contributor

Flea-Scope USB Oscilloscope ($18, 18 Msps, WebUSB)

richard-testardiRichard Testardi

I built a compact, hands-free walkie-talkie using AI voice detection—no PTT button, full-duplex feel, and fun speech-triggered animations.
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bbTalkie - a Mini Walkie-Talkie With a Twist

realcorebbRealCorebb

Reverse-engineering (mostly-)cheap eBay finds
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Avionics + mil-spec teardowns

don-straneyDon Straney

A guide on bringing Nao V3.3 and Nao V4 back to life
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Teaching an Old Robot New Tricks

victor-lockwoodVictor Lockwood

Easily extendable data logging platform featuring STM32F103RBTx, WiFi, microSD storage, LCD with four buttons, UART, and pulse counters.
Project Owner Contributor

Hardware Data Logger

robert-gawronRobert Gawron

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