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A fun (and beautiful) little device that adds AirPrint and AppleTalk to the Apple ImageWriter II over Wi-Fi
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AirWriter

wells-workshopWells Workshop

Stop using clunky physical buttons for your Arduino projects. Instead, why not use the TTP223 capacitive touch sensor.
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All About TTP223 Capacitive Touch Sensor

hulkHulk

Two board 6809 (or 63C09) computer that fits in to an Altoids Mint tin.
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6809/63C09 Membership Card

kevinKevin

Electronics project with a 3D printing component
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Digital DM Screen

kiaKia

Where I apply lessons learned to make a monitor for a 1970s era personal computer.
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A Better Small CRT Like Monitor For Retro Projects

michael-gardiMichael Gardi

FM synthesizer and drum machine with full sound editing, hardware from a Yamaha 1980’s home keyboard, firmware from scratch.
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DRX70 – FM synthesizer module

jkn0JKN0

Open platform for archiving the audio output of the National Semiconductor MM54104 Mozer Digitalker speech synthesis system.
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Digichiver

jacob-thweattJacob Thweatt

Multi-board BOM manager that catches the mistakes spreadsheets miss.
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BOManager: one BOM for every board in your proje

kaloyan-stefanovKaloyan Stefanov

Reverse engineering a Yamaha PSR-70 keyboard, in order to write documentation for the YM3806 and YM2154 sound chips.
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Yamaha PSR-70 reverse engineering

jkn0JKN0

A reversible ESP32/LTE conversion that lets a classic rotary telephone make and receive cellular calls.
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RotaryCell

carlCarl

7-segment displays A hand-bent brass wire sculpture, clock powered by ESP32-C3 with NTP time sync.
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YUMO GLOBE - Digital Clock

yumobuildsYUMO.BUILDS

An ESP32-powered desk gadget with six round displays, with one touch its start spinning.
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YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuildsYUMO.BUILDS

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

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

An ESP32 expansion gives the original Atari Portfolio voice chat, camera image descriptions and internet radio through its keyboard and LCD.
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Portfolio AI Interface: ChatGPT on Atari Portfolio

davide-la-salaDavide La Sala