RS232 convertor - Why?
- From: crispin.proctor@xxxxxxxxx
- Date: 2 Dec 2006 13:50:22 -0800
Hi All,
I used to enjoy electronics as a hobby many years ago but sort of left
it behind in the last 10 years.. :(
I have now rekindled the hobby by building myself a GPS attachment for
my camera (Nikon D200)
Soldering skills are not what they used to be but and a few attempts
later and some trips back to the shop for more veroboard and
components, I got it working.
To the question:
The GPS device pumps out serial data. Fine. Happy with that.
The Nikon accepts serial data. Fine.
Why is it that all the circuit diagrams I find on the net stay I need a
MAX232 IC in between? Are the levels different? If so, which is higher?
Would sticking the TX from the GPS straight into the camera cause a
loss of that ever important smoke (Electronic components work on smoke;
once it escapes, they work no more.)
Compliments of a few sites I have found on the net, I built the RS232
circuit and the camera detected the GPS data and all is well.
My question stems from the fact that I have this lovely little GPS
receive all with SMT and a smart little smoked box. Now I have to have
an ugly veroboard black box attached as well. (or stick everything
thing into a larger box)
TIA for any help...
Cheers,
Crispin Proctor
.
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