[Tutor] COM Ports

[Benoit Dupire]

In electronics, like in CE, the communication between a transmitter and a
receiver uses a particular 'protocol' to be sure that the message the
receiver receives is being caused by the transmitter, and not by any
noise.....
For instance, if you press the button '5', the remote can send '01100101' 10
times in a row, and the receiver aknowledge the signal when it receives 3 of
them.... this protocol is often 'hardware', therefore can't be changed, and
depends of the product... so make sure before beginning your project that
you can substitute your first remote by another one....(Maybe there exists a
'universal' remote out there or maybe  you can buy several remotes for this
product from the constructor).

Then, what you want to know is the output of the receiver, when it deciphers
'01100101'...... you have to get the spec...otherwise you have to do it
yourself and to look at the output for each event of the remote...

Then, you can ask yourself whether the rest of the project can be done in
Python...

--
Benoit Dupire
Graduate Student
Systems Engineering
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