electronic circuit simulator?

where can i find a free circuit simulator doesent just show signals but that shows what the things do like leds light and switches switch and stuff

Have you tried this one?
BTW, it requires Java.
rkbrumbelow6 years ago
Nicepolicy16 suggested in an older instructable http://www.new-wave-concepts.com/lw_dl_ed.html as one that will do what you are asking for. Have you tried it out yet?