Luciano,
the fan controller setting can be seen here in near-realtime:
http://gulp.physik.uzh.ch/heather/
I let it autotune once by 'ka4' and left it like that.. works fine.
For photos, I would have to open the box again.. which would seriously
disturb the temperature :) I will do internal photos next time, but you
might guess from the outside photos, what is inside.
http://gulp.physik.uzh.ch/heather/pics/
I used Warren's simple transistor circuit he provided in an earlier post
to control the fan from the RS232 pin 4. As I wanted to keep the RS232
outside interface free from additional cables, I opened the TBolt and
wired pin 4 with a dedicated wire to the outside world.
73s Achim, DH2VA
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