Extremely easy way is to install [Node-Red](https://nodered.org) and use the node-red-serialport and node-red-contrib-influxdb additions to wire it all up. No coding required.

[Visit Topic](https://community.influxdata.com/t/having-a-stream-input-with-telegraf/2360/2) to respond.

NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB