28122 Parallax Inc, 28122 Datasheet - Page 72
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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Controlling a bi-color LED with the BASIC Stamp requires two I/O pins. After you have
manually verified that the bi-color LED works using the manual test, you can connect the
circuit to the BASIC Stamp as shown in Figure 2-19.
P15
P14
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
√
X2
X3
Connect the bi-color LED circuit to the BASIC Stamp as shown in Figure 2-
19.
Vdd
470 Ω
1
Vin
2
Vss
1
2
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
X2
X3
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
1
Vdd
X2
X3
2
Vdd
Vin
2
Vin
Vss
1
Vss
Figure 2-19
Bi-color LED Connected
to BASIC Stamp
Figure 2-18
Manual bi-
color LED
Test
Bi-color
LED red
(left) and
green
(right).
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