Intro to Logisim Evolution, the free and oh-so-good logic simulation software

A bit unusual for me, a tutorial video. I just could not find a decent one, and this fantastic, graphical, interactive logic simulation software deserves better. This is my contribution for the common electronic good. We will return to the regularly scheduled programming shortly. Download Logisim Evolution: Download the simple counter example from this tutorial here: Here is the HP 9825 repair episode where we use the Logisim software to get us unstuck: Download the full 9825 RAM refresh simulation project: