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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
It'd be great if the OneWire changes could help with parasitically-powered devices... I did try at some point in the past and couldn't get it working...
Do you have a Pico and/or original board you could test the changes out with? I guess it should be the same on your EMW port though.
Yes, the DS18B20 module isn't great... Any idea how long the conversion takes? If it's anywhere near 1ms it should probably use a callback though.