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A polar plotter with a custom application and Arduino based gcode controller. It's designed to be simple, cheap, and easy to riff off of.
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Another Plotter Project

joeshmoe16Joeshmoe16

A Teensy 4.1 running as an Apple //e
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Aiie! - an embedded Apple //e emulator

jorj-bauerJorj Bauer

An interface that steers signals from Z80-based TRS-80s to utilize the Dino Boards RC2014 Turbo Z80 board, replacing the slow onboard Z80.
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TRS-80 Steering CMTE

stephenagagneStephen.A.Gagne

A visual diagrammer that turns a node graph into a complete ESP32 Arduino/ESP-IDF web-server sketch. No toolchain.
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ESP-GenUI

geoffrey-wellsGeoffrey Wells

The Starship Galileo (Gemini Class, SD 82 Full design AI vetted and co Authored by the Google Gemini AI including graphene mass production
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The Gemini Protocols for Deep Space Travel

archer-quinnArcher Quinn

Educational MCS-4 workbench: 4004 + 4001/4002/4003, peripherals, QuadBasic transpiler, breakpoints and bus inspection.
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Quadium 4004 Workbench

jaime-clotJaime Clot

A Python HDL for PCB design featuring library-based subcircuit design automation and exports ready-to-route KiCad netlists
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Polymorphic Blocks: Python PCB HDL

richard-ducky-linRichard "Ducky" Lin

x
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Baseball display case

lion-mclionheadlion mclionhead

Local first - agentic AI on hardware you control, with a tamper-evident record the operator holds. Desktop, custom OS and Mobile Deck
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HOM3 — sovereign compute going Mobile soon

on3-paul-krauseON3 Paul Krause

ZX Spectrum-compatible homemade retrocomputer based on Z80 CPU + discrete RAM and ROM + Raspberry RP2350B as ULA/chipset
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Z80 + RP2350B ZX-compatible homebrew retrocomputer

vladVlad

I asked AI about it
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What's going on with Hackaday and Discord?

keithKeith

An expandable 68000 based computer
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Y Ddraig - My 68000 Computer

stephen-moodyStephen Moody

Open-source ESP32 CYD environmental station: T/H/pressure/CO2eq on a touchscreen, MQTT (HA autodiscovery, ThingsBoard, Domoticz), OTA
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SensorStation3

viacheslavViacheslav

The G-EDM is an electrical discharge machine that supports sinker EDM, EDM engraving, EDM drilling and Wire EDM operations. #Drahterodieren
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G-EDM

gedm-devgedm-dev

A low cost robotic hand for robots and humans
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Yeah Robotic Hand (formerly Rebelia)

vittorio-lumareVittorio Lumare

Makes poultry care easier and more efficient.
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Smart Coop 2.0

coders-cafeCoders Cafe

Going up?

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