Also, you could try the non-tinyMQTT module and see if that helps? I know I recently fixed the double-disconnect issue there.
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Also, you could try the non-tinyMQTT module and see if that helps? I know I recently fixed the double-disconnect issue there.