Page 24 - Build a Remote Controlled Robot

Rear drive
Front drive Center drive INTRODUCTION xxiii

Drive wheel

Castor

FIGURE I-13. Drive wheel layouts.

TABLE I-1. Control Combinations

MOTORIZED MOTORIZED ROBOT
WHEEL ONE WHEEL TWO DIRECTION

On On Forward
Off Off Stop
On Off Right turn
Off On Left turn
On Reverse Spin right
Reverse On Spin left

With a wired remote control system the operator uses a
control box connected to the robot via a long wire or cable.
The advantages of this system are that it is simple to build and
costs little to construct. The main disadvantages are limited
range and the cable itself can get in the way. For the beginning
robot builder, however, this is the best system to start out with.
It will allow you to build and test systems for your robot with-
out the complexity and expense of a wireless system.
Wireless remote control is what most people think of when
you say “remote control.” A wireless system allows a much
greater range for the operator, and there is no control cable to
get in the way. A wireless system has three main parts. The