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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.
@Kim
I wired the temperature sensor from the set up according to the instructions on http://www.espruino.com/DS18B20 , but all it returns is
null. Nothing really that I can add as I've redone the wiring twice (power to 3.3V, ground to GND, data to A1, 4.7k resistor connecting power and data).