28128 Parallax Inc, 28128 Datasheet - Page 13
28128
Manufacturer Part Number
28128
Description
KIT BASIC ANALOG/DIGI PARTS ONLY
Manufacturer
Parallax Inc
Datasheet
1.28129.pdf
(176 pages)
Specifications of 28128
Accessory Type
ADC, DAC
Product
Microcontroller Accessories
For Use With/related Products
BASIC Stamp® 2 and Board of Education
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 13 of 176
- Download datasheet (3Mb)
Analog and Digital Parts Kit to the Board of Education based on its circuit symbol in a
schematic.
Figure 1-1 shows the circuit symbol for an LED on the left and a drawing of an LED
from the parts kit on the right. It also shows how the pins on an LED correspond to the
terminals on the circuit symbol.
Figure 1-2 shows a drawing of a resistor below its circuit symbol. The circuit symbol
typically has the resistance value written below or next to it. The colored stripes on the
part drawn below the symbol indicate its value, which is measured in ohms. The omega
symbol ( ) is used to denote the ohm. You can use Appendix B to convert the color
codes on the resistor to resistance values.
Circuit Schematic: Often referred to as a schematic, a circuit schematic is a map that uses
symbols to show the components in a circuit and how they are connected. The components
are represented by symbols such as the one that represents the LED in Figure 1-1.
Flat spot on
plastic part of
LED indicating
the cathode.
470
Ω
_
LED
+
Figure 1-2
Resistor Circuit Symbol
and Corresponding
Component
Figure 1-1
LED Circuit Symbol
Compared to the
Component
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