Recent Projects

By implementing a custom micro-coded CPU that executes it directly (up to 100MHz)

Access the internet without a tethering plan

The HoloGen toolkit generates paired object-domain images and their inline or off-axis holograms for machine learning workflows.

After a discussion regarding line frequency stability, and a need to find a project for some vintage displays, a frequency counter was born!

It is a board that lets the Einstein computer emulate the Spectrum. Design by Tony Brewer.

A PCB stamp to add 140W Power Delivery 3.1 (PD3.1) to any I2C capable microcontroller!

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A needed update to an older project.

RNS on FPGA: Revisiting an Unusual Number System for Modern Signal Processing

A hexadecimal display module for TTL designs

IO Expander for Arduino Uno

Compact USB PD-powered Reflow soldering table with BLE control via browser.

Controller board to display 2 and 4 lines on LCD modules

reverse engineering and modeling of the KGM M4 Multi indicator display

A 64-knob virtual-analog synthesizer on Raspberry Pi Pico 2 — fully tactile, no menus, real-time control.

A small inline SAO with an RP2040 used to demo SAOs that require smarts, but do not have it built-in.