28122 Parallax Inc, 28122 Datasheet - Page 289

• Manufacturer Part Number: 28122
• Description: KIT WHAT'S A MICRO:PARTS ONLY
• Manufacturer: Parallax Inc

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

ACTIVITY #1: BUILDING AND TESTING EACH PUSHBUTTON CIRCUIT
This activity begins with building and testing a single pushbutton circuit. Once you have
confirmed that the first pushbutton circuit is operating properly, you can then move on to
building and testing the second pushbutton circuit.
P9
P7
P4
P3
220
220
220
220
Ω
Ω
Ω
Ω
Vss
10
Vss
kΩ
nc
Vss
Pot
10
10
Vss
kΩ
kΩ
Vdd
Vdd
0.1 µF
0.1 µF
Figure 10-1
Sensor Array
System Schematic