Category: Software

A Microcode Compiler in Google Sheets

I’m building a homebrew CPU based on microcode. I made a microcode compiler in Google Sheets. It can easily adapted for other people’s microcoding needs.

A Modern External Electronic Package for the Wang 300 Series Calculator

I made a modern replacement for the Wang 300 series calculator Electronic Package. Not only does it emulate the original Wang calculator’s behavior, but it can operate as a nixie clock.

The Utah Teapot In Crystal

I had the famous Utah teapot engraved in crystal.

Converting KiCad Schematics to Verilog

I wrote a KiCad plugin to generate Verilog code from a schematic.

The Other Star Trek Game

If you’ve used computers from the 70s and early 80s, you’re probably familiar with the classic Star Trek game. What very few people know, is that there was another, very different Star Trek game at the same time. It was script-based, and it gave you a feeling of actually being in an episode of Star Trek. I’ve been looking for this game for over 40 years, and it appeared as if had ceased to exist. Until now. A copy – possibly the only one in the world – has been found. So let’s take a look … at the other…

A PWC Dashboard App for Android

I’ve published my first app on the Google Play Store – a dashboard for personal watercraft, like Jet Skis.

Star Trek and the Evolution of a BASIC Programmer

  I re-created the classic Star Trek game for the VT52. And it demonstrated how much I’ve changed as a programmer in 42 years.

The Best CAPTCHA Ever

I just got an e-mail from someone saying that my homegrown CAPTCHA was “stupid”. On the contrary, it’s far more effective than Google’s.

A Modern Electronic Package for the Wang 300 Series Calculator

I brought a Wang 360 calculator console back to life with a modern “Electronic Package”. Not only does it emulate the original Wang calculator’s behavior, but it can operate as a nixie clock or as a Reverse Polish Notation calculator.

A Bicycle Inclinometer and Altimeter

It was so easy to add a inclinometer to my bike using off-the-shelf hardware that I’m almost embarrassed to post about it here.

Triple-Sensor Mailbox Alert

I built a triple-sensor mailbox alert to tell me when there is mail in my mailbox for me.

Finding the Cheapest PCB Manufacturer

I’ve built a website, PCBShopper.com, that lets you quickly and easily compare prices from several different printed circuit board manufacturers.

Really Easy Calendar Printer

Every year I make a calendar with pictures of my daughter. None of the available programs or services had the features I wanted so, as with my envelope program, I wrote my own. In the spirit of the season (New Year’s, not Christmas) I’m making it available free for downloading.

Really Easy Envelope Printer

Grandma needed a really easy envelope printing program. I wrote one, and it’s so convenient, I use it myself. Download it here and try it yourself.