Electronic Goldmine - Electronic Components, Parts, Test Equipment, Kits, Goldmine. Electronics - Parts, Kits, Components, Projects, Surplus, DIY, Hobby. Crystals.
Other. Automotive. Inventables: The Hardware Store for Designers. Notebook / Laptop Reviews and News - Notebookcheck.net. DIY. Circuit Simulator Applet. This is an electronic circuit simulator.
When the applet starts up you will see an animated schematic of a simple LRC circuit. The green color indicates positive voltage.