Recent Projects

10,240 independent oscillators · 1-sample latency · 0.001 Hz resolution

FPGA Spectrum Engine

tsuneoohnaka Tsuneo.Ohnaka

Smart cold storage system using ESP32 with BLE & Wi-Fi for real-time temperature monitoring, automatic cooling control, and IoT alerts.

Smart Cold Storage Using ESP32 & BLE

himanshu-dada Himanshu Dada

This project aims to build a custom dash console for "That Smart System"

Custom E-Bike Dash compatible with BES3

bessie-forrest Bessie Forrest

A drag-and-drop CAD package that is an open source, local application alternative to TinkerCAD

CaDoodle: Doodle in CAD!

kevin-harrington Kevin Harrington

The G-EDM is an electrical discharge machine that supports sinker EDM, EDM engraving, EDM drilling and Wire EDM operations. #Drahterodieren

G-EDM

A 3D Printable, fully customisable ESP32-based Smartwatch

Qwatch

Use GPS to locate your lost model rocket.

Rocket Finder GPS

bud-bennett Bud Bennett

While there are several open source versions of various AI applications out there, there is still very little out there for doing training.

Let's Build a Modern LLM - Entirely from Scratch

Turn a $3 USB soundcard into a cm-accurate industrial TDR. We use DSP and formal logic to find automotive wire faults for under $5.

Turning Cheap Audio Chips into Industrial TDR

lszl-szke László SZŐKE

A redesigned solar-powered houseplant moisture sensor that runs indefinitely at 1.2µA average current

Solar houseplant watering monitor

DevPocket — Portable ESP32 Debug Tool with MagSafe & mPCIe

DevPocket

ilya-egorov Ilya Egorov

Where I prototype a device that digitizes two analog signals, and streams the captured samples over USB.

2 Channel USB DAQ

Nimbus: An Open-Source aerostat using an internal solar concentrator and ceramic receiver to generate thermal lift. Clean flight, no fuel.

NIMBUS - Concentrated Solar Thermal Flight

michele-lorenzi Michele Lorenzi

Stores solar energy in supercaps to deliver 24V bursts—even after days without sunlight.

Supercapacitor Solar IoT for High-Power Actuation

Arcade controller with spinner, trackball, analog sticks and gear shift

CONTROL ARCADE ALL IN ONE 360

srrubio SrRubio

compact, energy-efficient, battery-powered system for ePaper-based display of information gathered via Wi-Fi

inki - low power wireless epaper device