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A retro-microcomputer in a micro-package. Learn from the ground up, just like the pioneers. Has monitor editor assembler BASIC FORTH LISP...
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1802 MemberChip Card

lee-hartLee Hart

modular 64 channeled eeg system using TI ADS1299
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64-channel-modular-eeg-board

aditya56hAditya56h

A 1,216-parameter transformer written entirely in HyperTalk, trained overnight on a Macintosh SE/30.
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MacMind: A Transformer Trained in HyperCard

seanSean

A non-contact water sensor triggers a viral Punjabi meme MP3 the moment your tank overflows — built with Arduino + DFPlayer Mini.
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Motor Band Kardo!" Meme-Powered Water Tank Alarm

rohan-barnwalRohan Barnwal

Teacher taps iPhone to start/end class; students tap RFID cards to check in — REYAX RYRR30D logs it all live to Google Sheets.
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Tap-In Attendance: Apple Wallet & RFID Classroom

rohan-barnwalRohan Barnwal

NES Radar turns a 1985 game console into a live air traffic scope.
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NES Radar | 8-Bit Flight Tracking

leviLevi

A File Manger for Altair 8800 and CP/M 2.2 written in 8080 Assembler
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STEM

matt-brugmanMatt Brugman

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

A freeform brass wire sculpture featuring a round capacitive touch screen, 6-axis IMU auto-rotation, and reactive led filaments.
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YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

yumobuildsYUMO.BUILDS

A hand-bent 1.5mm brass wire clock sculpture powered by ESP32-C3 with NTP time sync, hardware-multiplexed 7-segment display, and 5-stage SK
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YUMO GLOBE

yumobuildsYUMO.BUILDS

Tiny ESP32-C3 desk gadget with OLED, live weather sensing, proximity glow & a phone-controlled web interface.
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YUMO PULSE — ESP32-C3 Desk Gadget

yumobuildsYUMO.BUILDS

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Hackaday.io Project

lutetiumLutetium

Privacy maximizing and open source audio monitoring system for a local data center
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A Privacy Focused Remote Audio Monitor

preston-blackburnPreston Blackburn

Get ready for a fun event and challenge yourself to a whole new world of water rocket engineering
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HYPER S3 ROCKET + Rockets & Engineering Challenge

stemforgephilstemforge.phil

The updated version of my previously created SolMate, a portable solar power bank.
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SolMate 2.0

arnov-sharmaArnov Sharma

Classical ttester, li-ion powered, with zener measurement function, and stabilized power.
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Transistor tester clone

mikhail-belkinMikhail Belkin

Going up?

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