Jim Lewis - An overview of some of my business and personal interests
1) Business
Online machine shop for creating custom metal and plastic parts - includes free CAD software
Online manufacturer of custom printed boards - includes free CAD software
Customizable online training for employees
Quirkle is a Windows software package that automatically discovers formulas to fit numeric data.
Device usage tracker app for Android phones and tablets
Personal Information Manager for Windows - specializing in managing random information
A winch for launching small sailplanes using a mechanical spring for energy storage.
To my knowledge this is the highest performance spinning top in the world. It's optically laser balanced and unlike typical tops that spin for about one minute, this top spins for up to a quarter hour.
A device for storing all your passwords in one place.
A sliding block puzzle designed on a computer to be simple yet very hard to solve.
A logic analyzer for microprocessor systems
A line of 12 reference cards for programmers, engineers and others are popular topics. Each card is 8.5 x 11" and manufactured by companies that make credit cards.
A microprocessor controlled laser entertainment system capable of graphics and scrolling text.
2) Personal
One of a half dozen quadcopters I fly for fun.
See my AI site at Rule110.com - link below.
An educational device to show how counting in binary works.
My bike was built from a kit. The font wheel is a motor. The SLA battery pack is behind the seat.
An add-on I designed for making threaded parts on the small Taig lathe.
A sterling engine demonstration project.
Several years ago I was into powered paramotor flying. This is my engine.
I was learning how to fly a paraglider via a winch tow in south NJ.
The is the second of two early personal computers I designed using logic ICs (gates, flip flops etc). Both had just 8 instructions which were Turing complete. The other was the HB-1200 whose instruction set was similar.
This is a sample from my mechanical puzzle collection of about 50.
A board game more popular than chess on the other side of the world. I have played for years yet am considered an advanced beginner (rating ~6 kyu).
Mini and Maxi - they're black and white like Go stones.