Dust in the Wind
I mentioned earlier that the
Analog Discovery lets you take the
“lab” with you. Well, there’s yet
another thing you don’t have to tote
around. That would be a
microcontroller. If you stop and think
about it, a microcontroller generates
wind (digital signals) and collects the
resultant dust (analog or digital data).
The Discovery is perfectly capable
of generating some wind itself, and
that wind is really blowing in
Screenshot 7. I’ve opened up the
Discovery’s digital waveform
generator window and dialed in a
November 2013 75
; Screenshot 9.
You've got to
admit, this is a
; Screenshot 10.
resistors + one
= 1 kHz sawtooth
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