Re: Urgent - Time to kill, want to build IR Extender

["Graham Howe" <graham@xxxxxxx>]

I have double checked the circuit, and I was missing the connection from
pin
6 on the 555N, however after adding that the transmitter circuit is now on
continuously even without the connection from the receiver. I can only
assume something is shorting. but can't see any problem. The only part of
the diagram I am not so sure about is circle by pin 4, what does that mean
?

Graham

P.S. If the list is fed up with the details of my endeavors here then do
let
me know and I will stop posting them here.


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