Sonatype helps open source projects to set up Maven repositories on https://oss.sonatype.org/
'de.pi3g.pi:pi-rcswitch:1.2'
<dependency>
<groupId>de.pi3g.pi</groupId>
<artifactId>pi-rcswitch</artifactId>
<version>1.2</version>
</dependency>
<dependency org="de.pi3g.pi" name="pi-rcswitch" rev="1.2"/>
"de.pi3g.pi", "pi-rcswitch", "1.2"