Recent Projects

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

Tiny ESP32-C3 desk gadget with OLED, live weather sensing, proximity glow & a phone-controlled web interface.

YUMO PULSE — ESP32-C3 Desk Gadget

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

Ensure you're the first to summon Shenron

Dragon Ball Radar

extra-long-division Extra Long Division

This mid-70s version of the Arduino needs to be put together and then put to work!

Siemens SIKIT-DK 8080

I am working on an ESP32-based smart environmental monitoring system designed to continuously collect information from multiple sensors

Smart Environmental Monitoring and Alert System

KNEEGROW is an adaptive wearable biomechanics system designed to sense, interpret, and respond to lower-limb movement in real time.

Knee Grow

kumaran-chandrashekar Kumaran Chandrashekar

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

Repair and modification of a 2006 Ascaso Dream M.F. to add modern features.

The Ascaso Nightmare

Tiwaz is a split keyboard with each half working standalone as a one-handed controller or macro pad.

Tiwaz - gaming keyboard / macro pad

I work with PLCs, not ESP32s. This is how AI, EasyEDA and React Native helped me turn an RS232 problem into real hardware.

From PLCs to PCBs: Building a WiFi RS232 Bridge

crux-resolve Crux Resolve

Turn an RP2040 or RP2350 Board into a HibouAir Gateway with BleuIO

Turn an RP2040 Board into a Sensor Gateway

An e-paper mp3 player

Meko v3

balzs-marcell Balázs Marcell

Mini-PI Media Server for use on home network or as a wifi access point to stream media from

Mini-PI Media Server

esp32s3 + custom-written video encoder/decoder pipeline integrated on a custom-made pcb streaming my PC content with up to 40 FPS from

Streamer-(cyber)Deck

Giant clock from a PIC18F6585, 135 cheap LEDs, foam core posterboard, hot glue, lots of hot glue

Heroineclock II

lion-mclionhead lion mclionhead