#contents

This page explains how to assemble the following wheeled mobile robot (modified Educator Vehicle) using LEGO Mindstorms EV3. :contentReference[oaicite:0]{index=0}

Common Parts with the Educator Vehicle

Assembling the Wheeled Mobile Robot

First, follow the Educator Vehicle Instructions and complete the first wheeled mobile robot assembly chapter up to step 45.

However, steps 8 and 20 are not required and should be skipped.

Also, refer to the gyro sensor installation chapter (page 98) and install the gyro sensor.

Installing the M Motor

Attach the required parts to the M motor.

Follow steps 2–5 and step 10 in the M motor installation chapter (page 78) of the Educator Vehicle instructions.

Then perform step 18 and attach the M motor to the mobile robot.

Attaching Parts to the Touch Sensor

Attach the required parts to the touch sensor.

Follow steps 1–3 in the touch sensor installation chapter (page 61) of the Educator Vehicle instructions.

Custom Assembly

The parts required for the following assembly steps are shown below.

Base Assembly

;

;

;

;

;

;

;

;

Installing the Touch Sensors

;

;

Installing the Ultrasonic Sensor

Installing the Color Sensor

Cable Connections

Right Motor	Port C	25 cm Cable
Left Motor	Port B	25 cm Cable
M Motor	Port A	25 cm Cable
Right Touch Sensor	Port 3	35 cm Cable
Left Touch Sensor	Port 1	35 cm Cable
Ultrasonic Sensor	Port 4	50 cm Cable
Gyro Sensor	Port 2	25 cm Cable

When using the color sensor, disconnect either the ultrasonic sensor cable or one of the touch sensor cables before use.