User manual
Copyright © Dr Robot Inc. 2006 
24
I.2.3  Electrical Modules 
In this system, all electrical modules are located and connected as followed: 
Table I.3 Electrical Modules Located and Connection 
Electrical Module  X80 Location / Setting 
Ultrasonic #1 
○
A
 Left front 
Ultrasonic #2 
○
D
 Middle front 
Ultrasonic #3 
○
G
 Right front 
Human Sensor #1 
○
H
 Left front, upper lever 
Human Sensor #2 
○
I
 Right front, upper lever 
Infrared Range Sensor #1 
○
B
 Front 
Infrared Range Sensor #2 
○
C
 Front 
Infrared Range Sensor #3 
○
E
 Front 
Infrared Range Sensor #4 
○
F
 Front 
Infrared Range Sensor #5 
○
K
 Right side 
Infrared Range Sensor #6 
○
L
 Rear 
Infrared Range Sensor #7 
○
J
 Left side 
Servo #1 
○
P
 To control the left/right movement of the neck (use 
channel 1) 
Servo #2 
○
O
 To control the up/down movement of the neck (use 
channel 2) 
DC Motor #1 with quadrature encoder 
○
M
 Left , use channel 1 
DC Motor #2 with quadrature encoder 
○
N
 Right, use channel 2 
Camera 
○
Q
 Middle front 
Speaker 
○
S
 Middle front, under the camera 
Microphone 
○
R
 Beside the speaker 
Figure I.2 Electrical Modules Located 










