Hello everyone,
I have followed some threads here for a while and - before I ask a 
question - like to introduce myself:
I'm a retired engineer who has spent some time programming databases (VBA) 
and a little circuit design experience (some decades ago). I do not have any 
experience programming real-time tasks.
oh, and I live in Germany.

I want to start a PIC project now:
the task is to read from a serial bus and display then some information on 
an LCD panel.
The challenge here is to read the bus. I have not found any example program 
for such bus: it is the European Installation Bus (EIB). There is only one 
signal wire (and ground of course).
It works like the NRZ (non return to zero): Logical 0 is a voltage change 
and 1 is no change.
Time for 1 bit is 104 microseconds.
Can anybody recommend any program for a similar bus from which I can start 
and modify it?

Also, I have no feeling for the size of such program, so would anyone dare 
to propose which PIC I should start with?

Thank you
Lembit

(Lembit Soobik) 

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