Recent Projects

Architecture and Feasibility Study of a High-Density 40-Channel AM Modulator on Legacy FPGA Silicon with Real-Time MCU Network Integration

AM Modulator on Legacy FPGA Silicon

A probe to measure temperature using an oscilloscope.

Oscilloscope Thermometry

Add a rotary encoder to an Amrel programmable power supply to improve the user interface.

Amrel Power Supply UX Mod

ogdento ogdento

Here you can access all the resources and files for this air pressure kit.

Air Pressure Sensor Kit

nelson-phillips Nelson Phillips

Handy 7 seg module that crams two DM9368N and two digits onto a single board that I can plug in on my breadboards.

7 Segment Display Module using DM9368N

john-lonergan John Lonergan

An endeavor to replicate the early design of the eponymous toy fortress from the “Masters of the Universe” franchise.

The Castle Grayskull Prototype Project

Homemade subwoofer to fill out the bass with my B&W DM4 speakers

Subwoofer - TangBand W5-1138

john-lonergan John Lonergan

An endeavor to replicate the early design of the eponymous toy vehicle from the “Masters of the Universe” franchise.

The Battle Ram Prototype Project

Metalwork creation of a rim protected cap from silver plated copper

Drinking Horn Renovation

john-lonergan John Lonergan

A 7-channel open-source EEG development kit that combines a dry-electrode headset, ADS1299 chip and AI agents

NeuraDock: A Hackable 7-Channel EEG Workstation

Hang on, is that a display on your wall?

Vertical LED digit display boards

ken-yap Ken Yap

Information about reverse engineering process of a cheap aftermarket car LCD device with Car Play and Android Auto support.

Reverse Engineering F133/D1s device

gamadrildev gamadril.dev

PHONO-EQ-100: a compact, cased MM phono preamp designed to run on a Li-Po battery, over 180 hours per charge, charged over USB-C.

Tiny Battery Phono Preamp for MM, USB-C Charged

An operating system written in Java

The ultimate guid to build a Novel JavaOS

Utilizes an I2S mic and I2S amp using an ESP32 with the ESPNOW wireless protocol to communicate audio wirelessly at over 600+ meters.

ESP32 Walkie Talkie

aditya-verma Aditya Verma

A modular, repairable remote station for amateur radio — open hardware, built almost entirely AI-assisted.

OE5XRX — Open-Source Modular Remote Ham Station

peter-buchegger Peter Buchegger