We are big fans of the Falstad circuit simulator. Sure, it isn’t perfect, but there’s nothing else like it when you want to whip up a simple circuit. But we were blown away when we saw a more or less ...

I find that if I’m trying to make a point with a student or a colleague about a circuit, sometimes the Falstad online simulator is worth a few thousand words. You can draw the circuit, play with the ...

Over at www.falstad.com is a circuit simulator with a few ready to run demos. This one is the good old two transistor multivibtrator (pictured), where you can watch voltages change and blobs of ...