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valkyrie0528

Cutting the red wire

Big Island, Hawaii

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This user joined on 04/09/2025.

My Projects

A virtual pinball cabinet built largely from scrap and recycled materials, powered by an Intel N100 mini-PC

Bartop Virtual Pinball Cabinet

A minimalist MAME cabinet built mostly from scrap and recycled materials

Bartop Arcade Cabinet From Scrap and E-Waste

A modular, swappable control panel which transforms my bartop arcade cabinet into a retro-styled terminal and computer emulator

Retro Terminal Control Panel for Bartop Arcade Cab

Projects I Like & Follow

A compact and rugged LoRa repeater designed for long-range communication and 5+ years of off-grid operation using only alkaline batteries.

LoRaTube

bertrand-selva Bertrand Selva

Can you generate enough energy to power a transmitter with a piezo disk?

The Piezo Transmitter

bkainka b.kainka

Miniature, functioning Macintosh 128k running on an RP Pico

pico-mac-nano

nick-gillard Nick Gillard

Measure Earth’s rotation using two MEMS gyros, a Pi Pico, and smart signal processing—precision within 2% of the true value!

Measuring Earth’s Rotation with Gyros

bertrand-selva Bertrand Selva

* No magic here. But I show that LEDs light up from tiny currents induced by electric fields around us, with no further electronics needed.

LEDs light up without power or electronics!*

joekutz joekutz

This project presents a compact system capable of determining the direction and elevation of a sound source in real-time with Pi PICO

Acoustic Targeting Module for Tactical Drone

bertrand-selva Bertrand Selva

for Solar and Subsurface Monitoring

High-Precision MEMS Magnetometer

bertrand-selva Bertrand Selva

This is an 8 bit vacuum tube computer I built using recycled 1950s Vacuum Tubes I found in Eastern Europe a few years ago.

Vacuum Tube Computer

A little retro gaming system made to look like an old TV.

Retrovision Z2W

A modern recreation of the first video game

Tennis for two HD

yannick-gigawipf Yannick (Gigawipf)

A crazy whack-a-mole style game with Floppy Disks

dISK fIGHT

rob-smith Rob Smith

Make any guitar or bass guitar fretboard any style, just command line flags and preseto

Fretboard Calculator

tracking cat walks with LoRa and TTN

Cat-as-a-thing in IoT

tim-evdokimov Tim Evdokimov

The H8 was Heathkit's first 8-bit computer. This project is a miniature recreation of the H8, built with vintage components and techniques.

The H8 Mini - a 50th Anniversary Heath H8 Computer

lee-hart Lee Hart

A genuine NEC V20 CPU with the entire PC/XT chipset in an FPGA. Boots MS-DOS 4.01 from a USB disk at 10 MHz. Built for my father.

Gertieboard PC XT: 8088 CPU Board + FPGA chipset

mathijs-van-den-berg Mathijs van den Berg

A retro cyberdeck with some special features

Microcifra 26

roni-bandini Roni Bandini

Breathing life into a half a century old RCA COSMAC Micromonitor emulator of CDP1802 microprocessor

CDP18S030: A Microcomputer in a Briefcase

lauri-pirttiaho Lauri Pirttiaho

A homebrew 65C02 with logic-built VGA, stereo sound and SD storage. From breadboards to PCB, with a browser emulator to explore.

3RIC: A Homebrew 6502 Computer, Built to Learn

ebadger ebadger

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