Hi guys,
First post here. I'm having trouble simulating ICs in Proteus. I tried even a quite basic 555 timer circuit, and still no joy. Sorry for the general question, but can you spot anything wrong in the setup attached, someone mentioned to be careful about power supply to the chip, I tried battery and injecting a voltage as here, but neither got the circuit running in any case. The output at pin 3 just stays high here by the way,
Thanks a million,
Brian