Hello all,
Following my previous experiences with using Eclipe Paho with ABCL I wrote a more step-by-step tutorial that uses MQTT to send data to IBM's Watson IoT Platform.
https://developer.ibm.com/recipes/tutorials/watson-iot-with-common-lisp/
It uses Quicklisp and tries to show to those who do not know ABCL the basics of what is possible. I'm sure there are some incorrections here and there but still, thought it would be interesting. The audience is the general community much more than those already acquainted with ABCL.
Best regards