28122 Parallax Inc, 28122 Datasheet - Page 93
28122
Manufacturer Part Number
28122
Description
KIT WHAT'S A MICRO:PARTS ONLY
Manufacturer
Parallax Inc
Datasheet
1.28123.pdf
(340 pages)
Specifications of 28122
Accessory Type
Parts Kit
Product
Microcontroller Accessories
Core Processor
PIC16C57c
Flash
128 Bytes
Operating Supply Voltage
9 V
Board Size
31 mm x 16 mm
For Use With/related Products
Board of Education Full Kit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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P15
P14
Connecting wires with dots: There are three places where wires intersect in Figure 3-12,
but only two dots. Wires only connect if there is a dot at the intersection. The wire that
connects the P4 pushbutton to the 10 kΩ resistor does not connect to the P3 pushbutton
circuit because there is no dot.
P4
P3
470
220
220
Ω
Ω
Ω
Vss
Vss
10
470
LED
kΩ
Ω
Vss
Vss
10
LED
kΩ
Vdd
Vdd
Figure 3-12
Schematic: Two
Pushbuttons and
LEDs
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