Want to make your own laser harp?

Full plans, schematics and source code are available here...

Or the WiiMote Theremin?

Neat Java based circuit simulator, and Fritzing

Friday, February 5th, 2010 | Everything Else | shobley

There are a few circuit simulation packages out there – and most of them are rather expensive. A colleague at work recently gave me a link to this cool Java based simulator written by Paul Falstad:

http://www.falstad.com/circuit/

(Obviously you will need the Java plugin to run it)

What really sets this one apart is that it visually models the electrical flow along the connecting wires – so it really makes it obvious how the circuit will behave.

If you are new to electronics this is an absolutely brilliant way to learn what transistors, diodes, gates and op-amps do.

*And*

Here’s another great prototyping product:

http://fritzing.org/

Great stuff!

Share this...

2 Comments to 'Neat Java based circuit simulator, and Fritzing'

Cool Java-based circuit simulator
February 5, 2010

[...] Having trouble visualizing how current flows in a circuit? A great way to get a feel for how a circuit works is to use a circuit simulator, however most are either expensive or require a fair bit of electronics knowledge to use. If you are just wondering how a common circuit works, then you might want to check out this Java-based Circuit Simulator. It’s got a large library of parts and pre-built circuits that you can simulate and modify to get the feel for how they work. Though it may not be a full substitute for more traditional full-featured simulators such as LTSpice or Qucs, it is free, runs in your browser, and is actually pretty fun to play around with. [via Stephen Hobley] [...]

Cool Java-based circuit simulator | Products & Tech News
February 5, 2010

[...] Having trouble visualizing how current flows in a circuit? A great way to get a feel for how a circuit works is to use a circuit simulator, however most are either expensive or require a fair bit of electronics knowledge to use. If you are just wondering how a common circuit works, then you might want to check out this Java-based Circuit Simulator. It's got a large library of parts and pre-built circuits that you can simulate and modify to get the feel for how they work. Though it may not be a full substitute for more traditional full-featured simulators such as LTSpice or Qucs, it is free, runs in your browser, and is actually pretty fun to play around with. [via Stephen Hobley] [...]