Just checked on my STM32F4Discovery and it works fine with this:
var t = require("DS18B20").connect(D8);
console.log(t.getTemp());
BTW, V1.41 is an old version, did you test actual version(V1.44) form nightly build ? https://espruino-nightly.noda.se/
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.
Just checked on my STM32F4Discovery and it works fine with this:
var t = require("DS18B20").connect(D8);
console.log(t.getTemp());
BTW, V1.41 is an old version, did you test actual version(V1.44) form nightly build ?
https://espruino-nightly.noda.se/
regards Jürgen