Hardware hacking often seems like black magic to the uninitiated, which is why 123D Circuits is so cool: it allows you to learn electronics using a virtual Arduino board and breadboard without blowing ...

QSPICE is an analog and mixed-signal simulator characterized by high simulation speed, accuracy and reliability. It is a new program and can be downloaded here. QSPICE is still in the demonstration ...

Although the design of this simulator has been reduced to the essentials, this powerful electronic circuit simulator offers a wealth of possibilities. Not only does it offer almost 200 circuits ...

I’ve always appreciated simulation tools. Sure, there’s no substitute for actually building a circuit but it sure is handy if you can fix a lot of easy problems before you start soldering and making ...