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An educational proof of concept for a first person game engine, built within HyperCard 2.4.
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HyperCard First Person Game Engine

chris-tullyChris Tully

2,068 transistors make a CPU that knows one instruction: subtract. Eight of them become a multiprocessor nobody has built from loose parts.
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Kransputer

dennis-decoeneDennis Decoene

In this project, I convert a classic PCL86 single-ended tube amplifier design to operate with the less common PCL82 vacuum tube.
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DIY PCL82 Tube Amplifier, Single-Ended

mircemkmircemk

Differential I2C over Cat5e using the PCA9615. Two identical boards, one at each end, 100 m tested.
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i2c-over-rj45

rmingonrmingon

Modular platform where electronics snap together without wires.
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Molde

olegOleg

Lots of "Desktop CNC" machines can fit on a desktop. But do they fit _on_your_desk_? Like, between the stapler & paper tray?
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"Desk Accessory" CNC Milling Machine

paul-mcclayPaul McClay

"One LOW in 128 HIGH Lines — A Public Domain ASCII Memory Architecture"
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Single transistor holds full ASCII character

alan-cyrAlan Cyr

The Starship Galileo Gemini Class, SD 82 AI vetted & co Authored by the Gemini AI & Kimi 3 AI Graphene mass production-zero power Mini Moons
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The Gemini Protocols for Deep Space Travel

archer-quinnArcher Quinn

Follow for the 'Hacklet' and latest news about hackaday.io
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Hackaday.io Project

lutetiumLutetium

Laser Pointer on a 2-Axis Gantry for Identifying Objects/Points of Interest Relative to Local Space
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Punctum Lucis (Point of Light)

dtw-projectsDTW Projects

A closer look at the Arduino Uno R4 WiFi, featuring the Renesas RA4M1 ARM Cortex-M4, ESP32-S3 connectivity, LED matrix, power management.
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Arduino Uno R4 WiFi: 32-Bit ARM & Renesas

mateo-garciaMATEO GARCIA

Continuing my development of small portable audio recording setups, this time trying a more unconventional SBC to test what it can do...
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Zimaboard 2 Recording Rig

craig-hissettCraig Hissett

ESP32 vacuum sealer controller built with a little help from AI. Closed-loop pressure control, WiFi parameter tuning from your phone
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ESP32 Vacuum Sealer Controller

greg-nuspelGreg Nuspel

Running Linux on STM32 (Cortex-A35) with bare-metal Cortex-M33 driving a VFD screen. Modern silicon meets retro glass!
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Audio Spectrum Analyzer: STM32MP257 + VFD 256x64

sylwesterSylwester

IoTextra Octal3 brings latching I/O to IoTflow and IoThome so your relays stay exactly where you left them, even after a power cut.
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Octal3: No Power. It Still Holds.

arshia-keshvariArshia Keshvari

An open-source engineering test automation platform for repeatable hardware testing
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Test in a Box

philip-mcgawPhilip McGaw