28119 Parallax Inc, 28119 Datasheet - Page 24
![KIT UNDERSTANDING SIGNALS](/photos/8/97/89794/mfg_28119_sml.jpg)
28119
Manufacturer Part Number
28119
Description
KIT UNDERSTANDING SIGNALS
Manufacturer
Parallax Inc
Datasheet
1.28119.pdf
(137 pages)
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
Available stocks
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Quantity
Price
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Part Number:
281197-2
Manufacturer:
TE
Quantity:
20 000
Company:
Part Number:
281197-2
Manufacturer:
MOLEX
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Measuring 5 V with PinHigh.bs2 Program
' Understanding Signals - PinHigh.bs2
' Make I/O pin high to demonstrate 5V measurement
' {$STAMP BS2}
' {$PBASIC 2.5}
DO
LOOP
In the OPTAscope Plot Area, you should see a line across the screen one division up
from the blue arrow on the left (Figure 1-17). Your Vertical dial should be set to 5 V per
division. A BASIC Stamp output pin should read about 5 V when it is “driving high”.
HIGH 14
√
√
Set up the OPTAscope to display the signal as shown in Figure 1-16.
Remember, click on and drag the arrow to the left of the Plot Area to set the
trigger voltage.
Run the program PinHigh.bs2.
CH1
CH2
Horizontal Dial
Trigger Source
Trigger Edge
Trigger Mode
Run / Stop Mode
Trigger Voltage
5 V / division
Off
5 ms / division
None
Falling
Auto
Continuous
2 V
Figure 1-16:
Configuring the
OPTAscope to view
high and low
signals
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