It's worrying about the dimming and heat - have you made sure that the 3.3v line isn't connected to anything? What is the 'VIN' wire connected to?
The chip usually takes a while to initialise, but something should definitely have happened within about 30 seconds.
I just tried here and it all works fine for me, so I'd guess that it might be some problem with how you've wired up the power. The chip does get warm (body temperature?) but shouldn't get properly hot though.
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.
It's worrying about the dimming and heat - have you made sure that the 3.3v line isn't connected to anything? What is the 'VIN' wire connected to?
The chip usually takes a while to initialise, but something should definitely have happened within about 30 seconds.
I just tried here and it all works fine for me, so I'd guess that it might be some problem with how you've wired up the power. The chip does get warm (body temperature?) but shouldn't get properly hot though.