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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

Raspberry Pi5, RTL-SDR, and custom keyboard

Cyberdeck Handheld

nicholas-labonte Nicholas LaBonte

Open-Source Self-Loading Battery Charger Using the RP2040

SPINC - DIY Automatic NiMH Charger

Blinkenlights and vectordot graphics from 1959

Replica of the PDP-1: PiDP-1

After 45 years, the original Microtronic firmware ROM rises from the ashes and flies with new hardware!

Microtronic Phoenix

michael-wessel Michael Wessel

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

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

How to spy on your neighbor (scientifically)? Acoustic parabola + NLMS on ESP32.

Acoustic Parabola with NLMS Adaptive Filtering on

bertrand-selva Bertrand Selva

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

This game &amp; watch only came with like 3 games. Time to change that!

Hacking a Nintendo Game and Watch

a tutorial on making glass-sealed noble gas tubes.

Make Noble Gas Glass-sealed Tubes in Your Home

simon-liu Simon Liu

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

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