Does anyone know how to add a timer on Qucs ? The component's navigation bar doesn't help at all, It confuses me, I can't find a timer. I wondering, perhaps It could be added through library. In this case, I need to add LM555C timer on my circuit.


There is no model for that component. What you can do is to model it as explained here.

  • \$\begingroup\$ I've downloaded the file related to 555 timer, Martin. But what do I need is the whole component. DO you have any software recommendation alternative to Qucs, Martin. Qucks seems not comfortable \$\endgroup\$ – Michael Tanusenjaya Dec 12 '15 at 2:31
  • \$\begingroup\$ It's not comfortable, but it is very powerful. You can separate the component model you need and then add it as a component file. Multisim might represent a more comfortable option for your work, but it is not free software. \$\endgroup\$ – Martin Petrei Dec 12 '15 at 2:34
  • \$\begingroup\$ Oh thanks, I'll keep Qucs on my PC, but I think I should go with that Multisim. Thanks for your help Martin :D \$\endgroup\$ – Michael Tanusenjaya Dec 12 '15 at 2:38

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