Java implementation of RasPiRobotBoard3 (RRB3) library
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Java implementation of RasPiRobotBoard3 (RRB3) library.

RRB4J is built on top of Pi4J:

For information about the MonkMakes RRB3, see:

Released builds are available from Maven Central.

Maven Coordinates

Use the following coordinates to include RRB4J in your project:



You'll need Apache Maven to compile RRB4J from source.

You'll need Pi4J to run your application with RRB4J.


Install Apache Maven. The preferred method is to use the Maven Version Manager (mvnvm):

curl -s > /usr/bin/mvn && chmod 0755 /usr/bin/mvn


Install Pi4J:

curl -s | sudo bash


mvn clean install


To run the sample application on a platform supported by Pi4J:

sudo java -jar target/raspirobotboard3-1.0.0-SNAPSHOT-jar-with-dependencies.jar

Overriding the default voltage settings:

sudo java -jar target/raspirobotboard3-1.0.0-SNAPSHOT-jar-with-dependencies.jar $BATTERY_VOLTAGE $MOTOR_VOLTAGE