Guys, please!


    Let me tell you something: When I subscribed to the list ( about 1 or
two or three years ago, I can=B4t remember) I was trying to make a "stupi=
d"
toy, a little magnet that levitates a metal ball in the air. I, in my
"stupid" mind, thought that I needed to use a pic with an ellaborated PID
controller, ADC=B4s, DAC=B4s, infrared sensors and thousands of of other =
things
to get this working. I wrote a little post to the list asking about PID
controllers on pics, first. I got nice but uselles (no offense, just talk=
ing
in practical terms) advices from some people and some rude but really goo=
d
and practical tips from Olin, who made me see I was "stupidily" doing
something in the complete wrong way, that with just a LDR, an ompamp and =
a
few more junk box components I could built my thing. Results: I built my
toy, it works great and makes me feel like an electronics genious when I
show it to my friends. Whats the lesson from the story? I, as a newbie, w=
as
confused. I was approaching the problem in the completely wrong (or too
hard) way. I asked. I got answers. I got rude answers from Olin, but I to=
ok
it like a lesson, beacause I am already a big guy who cant be made feel b=
ad
enough too stop using pics because someone said I was wrong about what I =
was
doing. After that experience, whenever i post I think very well what Im
going to write and try my best to do it clearly and after trying by mysel=
f
to investigate and do my own work. That is a life lesson!

Regards,

*Carlos*
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