28125 Parallax Inc, 28125 Datasheet - Page 75

• Manufacturer Part Number: 28125
• Description: TEXT ROBOTICS
• Manufacturer: Parallax Inc

Specifications of 28125

• Title: Robotics with the Boe-Bot
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Not applicable / Not applicable

Select Vin if you are using the
battery pack that comes with the
Boe-Bot kits.
All examples and instructions in this book will use the battery pack. Figure 2-13 shows
the schematic of the circuit you will build on the Board of Education Rev C. The jumper
is set to Vin.
P13
P12
√
√
15 14
X4
Connect your servos to your Board of Education Rev C as shown in Figure 2-13.
When you are done assembling the system, it should resemble Figure 2-14.
(LED circuits not shown).
Vin
How do I tell which servo is connected to P13 and which servo is connected to P12?
You just plugged your servos into headers with numbers above them. If the number above
the header where the servo is plugged in is 13, it means the servo is connected to P13. If
the number is 12, it means it’s connected to P12.
Vdd
Vin
Vin
Vss
Vss
13 12
X5
White
Red
Black
White
Red
Black
Red
Black
Select Vdd if you are using a DC
supply that plugs into an AC
outlet (AC adapter).
15 14
White
Black
X4
Red
15 14
Vdd
Vin
X4
13 12
Vdd
X5
13 12
X5
Red
Black
Red
Black
White
Red
Black
Figure 2-12
Selecting Your
Servo’s Power
Supply on the Board
of Education Rev C
Figure 2-13
Servo
Connection
Schematic
and Wiring
Diagram
for the Board
of Education
Rev C