Brandon's Semiconductor Simulator Draw your own circuits. Turn on voltage and see what happens. Some features of my program include: Interactive circuit drawing Visualization of electromagnetic fields Many materials (metals, semiconductors, dielectrics, and more) You need a good computer to run this simulation on your browser. There is also a downloadable version that's much faster (but requires Java). Want to know more? You can read about it here. (c) Brandon Li, 2025. Ported to Javascript with...