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Sega Master System Controllers, Now With USB C

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Why Solid State Batteries Short

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A Different Kind of Ultrasonic Levitation

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The Challenges of 3D Printing Reliable Springs

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2026 Green Powered Challenge: Adding Low-Power Sleep To Microcontrollers

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Register Renaming

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Trying Pair Programming With an LLM Chatbot

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How Pizza Tycoon Simulates Traffic on a 25 MHz CPU

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A Trackball 3D Controller

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Mist, Mirrors, Laser

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Hackaday Links: April 26, 2026

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A Sail and Oar Skiff Built from Common Lumber

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Freeze Moving Tools with a Stroboscopic Camera

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2026 Green Powered Challenge: A Portable Solar Panel, Made Better

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Dyson Vacuums and the Curse of Cooked Capacitors

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Building an IBM PCjr BIOS from Source Using Original Printed Source Code

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The Arduino UNO, Basically

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Slicer Settings for “Indestructible” Battle-Bot Worthy PLA Parts

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Quantum Computers Are Not a Threat to 128-bit Symmetric Keys

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You Wouldn’t Download a Combustion Engine

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