Len’s Stuff

Some new disaster

I’m Len, and this is my web site.

Projects

I have published many of my software and hardware projects on GitHub.

Recent Projects

Modular Synth
Designs for Eurorack synthesizer modules
asentry 🌎🌠
Device to monitor the JPL Sentry database for asteroid impact threats. Just in case, you know?
Op Amp Tester
Tests op amp chips to verify that they are working

Archived Projects

DaveyBot
A computer that plays Guitar Hero and Rock Band
ToyBot
A toy car that drives around by itself
LED Clock
A retro LED clock made with recycled parts

Programming

RP2040 Windows Development Setup
How to set up a C/C++ development environment for the Raspberry Pi Pico and other RP2040 dev boards on Windows
RP2040 ADC Accuracy
Getting the most out of an analog-to-digital converter
GitHub
My GitHub repos and gists

Software Utilities

asentry (software version)
Program to monitor the JPL Sentry database for asteroid impact threats.
NetToBOM
This is my KiCad BOM plug-in. There are many like it but this one is mine.
MakeVersionInfo
Microsoft Visual Studio utility to automatically update a project’s version number

Presentations

Other Stuff

Earthship Ark
World-building for an RPG campaign based on The Starlost
Obsidian Portal
Various RPG campaigns I’ve played
flickr
Photos of things