3
2 LEGO Excavator preparations
2.1 Introduction
The following is needed to use the LEGO Excavator for the PDS Excavator
application:
LEGO Excavator
Three 5k ohm potentiometers
Teledyne RESON Dredge (LEGO) interface
Teledyne PDS license
Additional LEGO axis (to connect potentiometer to boom, stick and bucket).
Additional LEGO blocks (to create parallelogram)
2.2 The LEGO Excavator
The LEGO Excavator (LEGO item 8043) is used. This excavator is equipped with
move, dig, spin and lift motorized functions.
The LEGO Excavator is constructed by the user according to the LEGO building
instructions.
Figure 2-1 LEGO Excavator