28123 Parallax Inc, 28123 Datasheet - Page 115

• Manufacturer Part Number: 28123
• Description: TEXT WHAT'S A MICROCONTROLLER
• Manufacturer: Parallax Inc
• Type: Programmingr

Specifications of 28123

• Style: Book
• Title: What's a Microcontroller?
• Contents: Whats a Microcontroller? Text
• Product: Microcontroller Accessories
• Core Processor: PIC16C57c
• Flash: 128 Bytes
• Operating Supply Voltage: 9 V
• Board Size: 31 mm x 16 mm
• Lead Free Status / RoHS Status: Not applicable / Not applicable

Figure 4-5 shows the servo header on the Board of Education Rev C. This is where you
will plug in your servo. This board features a jumper that you can use to connect the
servo’s power supply to either Vin or Vdd. The jumper is the removable black
rectangular piece right between the two servo headers.
√
√
Turn off the power as shown in Figure 4-4.
Set the jumper to Vdd as shown in Figure 4-5. This involves lifting the
rectangular jumper up off of the pins it is currently on, and replacing it on the
two pins closest to the Vdd label.
Vdd
Vss
P14
P14
White
Red
Black
470
Ω
Vss
0
Reset
1
2
LED
Figure 4-4
Disconnect
Power
Servo
Figure 4-3
Servo and LED
Indicator
Schematic for
Board of Education
Rev C