28125 Parallax Inc, 28125 Datasheet - Page 122

• 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

P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
X2
X3
√
To Servos
Board of Education
Rev C
Build the circuit shown in Figure 3-17 and Figure 3-18.
Vdd
+
The piezospeaker and servo circuits will remain connected to your board for the rest
of the activities in this text.
All circuit schematics from this point onward will show circuits that should be added
to the existing servo and piezospeaker circuits.
All wiring diagrams will show the circuit from the schematic that comes just before it
along with the servo and piezospeaker circuit connections.
15 14
X4
Vdd
Vin
© 2000-2003
13 12
X5
P4
Vss
Red
Black
HomeWork Board
Vss
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
To Servos
X2
X3
[phone]
www.parallax.com
www.stampsinclass.com
Vdd
+
Vin
Vss
Rev B
Figure 3-17
Program Start/Reset
Indicator Circuit
Figure 3-18
Wiring Diagrams for
the Program
Start/Reset Indicator
Circuit
Board of Education
(left) and HomeWork
Board (right).