28119 Parallax Inc, 28119 Datasheet - Page 79

• Manufacturer Part Number: 28119
• Description: KIT UNDERSTANDING SIGNALS
• Manufacturer: Parallax Inc

Specifications of 28119

• Lead Free Status: Contains lead
• Accessory Type: Oscilloscope
• Interface Type: USB
• For Use With/related Products: BASIC Stamp® 2 and Board of Education
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Next, we will replace the clock line signal with the analog input voltage signal on
Channel 2. There is only one addition to make to the circuit.
As you adjust the potentiometer, watch the numeric value of the Channel 2 data signal in
the Debug Terminal, and the MEAN voltage in the CH2 Auto Measurements box. What
relationship do you see?
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√
√
√
Add a jumper wire to the breadboard between the ADC0831 Pin 2 and the
potentiometer.
Connect the CH2 probe to this new jumper wire.
Click on the Measurements tab.
Slowly and gently adjust the potentiometer tap to sweep through its whole range.