Is it possible you're just powering the module from 3.3v and not the 5v output? And is GND connected ok?
I've actually used these boards pretty recently so I'd be reasonably confident that everything works ok.
@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.
Is it possible you're just powering the module from 3.3v and not the 5v output? And is GND connected ok?
I've actually used these boards pretty recently so I'd be reasonably confident that everything works ok.