Help with 555 Timer Circuit

178

02:35:43

Why does it show "Cannot find solution", is there something wrong? 

published 11 years ago

nikoL

11 years ago

Put the colector of the transistor directly on 5V. It seems it doesn't get enough voltage on colector

ZyanWu

11 years ago

Connect a switch in series with the 5V source and open the switch before you start the simulation. Once the simulation is started, close the switch. And don't forget to connect the discharge pin of the 555 to your circuit.

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