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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.
Project Owner Contributor

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.
Project Owner Contributor

YUMO PULSE — ESP32-C3 Desk Gadget

yumobuildsYUMO.BUILDS

Where I apply lessons learned to make a monitor for a 1970s era personal computer.
Project Owner Contributor

A Better Small CRT Like Monitor For Retro Projects

michael-gardiMichael Gardi

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

65C02 based SBC, aimed at retro home computing and gaming.
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GS-65 | 65C02 SBC

gabrieleGabriele

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Hackaday.io Project

lutetiumLutetium

Text on a small display should come alive. It started with clock digits made of Bézier curves; this is where the idea went.
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Bringing Text to Life on an ESP32

anton-petrusevichAnton Petrusevich

240x 30TL ML101J27 650nm diode photonic vector-matrix multiplier, 25ns flash, 2.9min for SD1.5 512x512
Project Owner Contributor

VCSEL-less Photonic Accelerator V4 - 240x ML101J27

kalkan-kamil-yaarkalkan, . kamil . yaşar

Building a power delivery source without using any dedicated IC for the protocol communication, implementing it in software instead
Project Owner Contributor

USB-C Power Delivery source without a dedicated IC

oktawiaOktawia

A modern re-creation of the Commodore PET, using all new parts and offering modern connectivity with USB, VGA/HDMI, and more
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UltiPET Commodore PET Replica

andr-fachatAndré Fachat

Goal of the project is to develop and build a homebrew 16 bit relay computer ... including a BASIC compiler
Project Owner Contributor

Homebrew 16 bit relay computer

peterPeter

An open-source e-ink monitor for your bedroom: CO₂, temperature, humidity, light and noise, logged every night to your phone over Bluetooth.
Project Owner Contributor

Quiesco

marcoMarco

Linux blueprint to turn a Mini-PC into a $5k+ Pro Digital Console. GPL Core, OSC logic, zero-latency. Don't buy a mixer: build one!
Project Owner Contributor

Open Live Mixing System

francesco-nanoFrancesco Nano

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