Recent Projects

This is a practical DIY experiment exploring how horn loading affects a tiny 2-inch speaker.

Building a Mini Fostex Horn Speaker Box

mircemk mircemk

Made an Unhiker M10-based Audio Recorder to record project ideas.

PEBBLE Portable Audio Recorder

arnov-sharma Arnov Sharma

E2E encrypted chat as a hardware peripheral

Selectric-256

A 3-core board (MPU + MCU + FPGA) for a DIY desktop pick-and-place machine. WIP.

Xeltri — Pick-and-Place Control Board

shin-lin Shin Lin

Exploring a human-AI memory environment that preserves dormancy, disagreement, provenance, and rediscovery instead of forcing convergence.

From “Second Brain” to a Living Memory Environment

Number sieves are machines that outran computers, 1920s-1990s. A 1982 design in ATtiny412s, aimed at factoring a 16-digit number.

A Tiny Sieve | Lehmer's Math Machine in ATtinys

I'd like to build a teletype-style terminal using an Alphacom thermal printer and a decent keyboard that will work with any RC2014

MCU-less teletype terminal using Alphacom printer

Documenting my path learning embedded systems from scratch including ESP32, Arduino, sensors, and everything in between.

esp32 Hardware Journey

niam-savaliya Niam Savaliya

Integrate XTIDE into the internal T1200XE BIOS

Toshiba T1200XE XTIDE BIOS Mod

A simulator homage to old-school mini/mainframe systems with real lights and switches

PlasMa Mini-Mainframe Simulator

phil-tipping Phil Tipping

4 channels, battery powered oscilloscope

WaveCatcher: 200MSps portable oscilloscope

The LED Was Already In The Schematic — Optical Bus Extension and Infinite Scaling of the DTL N-ary Cell

Optical addition and scaling for N-ary cell

alan-cyr Alan Cyr

Open-source Hi-res Digital Audio Player

RHYTHM

mithilesh-gupta-konda Mithilesh Gupta Konda

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

YUMO GLOBE

yumobuilds YUMO.BUILDS

A freeform brass wire sculpture featuring a round capacitive touch screen, 6-axis IMU auto-rotation, and reactive led filaments.

YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

yumobuilds YUMO.BUILDS

An ESP32-powered desk gadget with six round displays that appears to spin without any visible axle — the trick is mounting the frame on the

YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuilds YUMO.BUILDS