LEARNERS LAB: free online circuit simulator
Build and test electronic circuits in your browser: breadboards, 196 components, Arduino sketches, 74xx logic ICs, a bench power supply, function generators, multimeter and a two-channel oscilloscope.
79 lab experiments with objective, procedure, theory and questions cover Ohm’s law, Kirchhoff’s laws, diodes, transistors, op-amps, logic gates, adders, counters and microcontrollers.