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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.
@Gordon
I think it was a Pro Mini clone that I had... But as far as I remember (not at home so can't check at the moment) the Maple Mini, Olimexino, Matchbox ARM, Teensy 3, Stellaris Launchpad, all ST Discovery and Nucleo boards don't have fuses.
edit: And I think also the mbed LPC1768...
So I'm wrong to say 'other Arduino boards', but rifling through my drawer of boards (big and small) I didn't find very much that had a polyfuse on :)