You can debug an Arduino: when the simulator reaches your breakpoint, the simulation is paused and you can easily check every variable in your code and every voltage or current in your circuit.You can program an Arduino and simulate the microcontroller together with your analog circuit around it.You can combine digital devices like a 555 timer or shift registers with (interactive) analog components like resistors and LEDs.You can actually watch a LED blinking or press a button during real-time simulation rather than struggling with abstract waveforms.You can compose your circuit on a virtual breadboard which looks just like real.Plenty of options exist in the world of electronics simulators, but circuits.io aka TinkerCAD is probably the most versatile one out there.
