Chapter 9 – Digital Meets Analog – ADC and DAC
Butterfly GroundButterfly +3vPin 1 of J407 connects to
center leg of potentiometerPin21 of J407 connects to
Butterfly GroundFigure 29: Voltage measurement.........................................................................
Now we can get some responses. Try turning the potentiom
nd in response to a volt command you should see s
eter to various settings
a omething like:
volt
The reading is 2.1 volts.
volt
The reading is 3.0 volts.
volt
The reading is 1.4 volts.
volt
The reading is 0.4 volts.