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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.
@allObjects
@Aleksandrs, were you successful with the example [crufti.com/getting-started-with-espruino-on-esp8266/](crufti.com/getting-started-with-espruino-on-esp8266/ that @ClearMemory041063 was asking you to begin with to verify 'the pin story'?
At least you will find out wether the Espruino setup on you particular NodeMCU board and ESP866-ESP12 is ok and operation is as expected...
After that, you venture into the next thing, like connecting the sensor.
After that, you step back and just try the simplest communication - first just with connecting to an access point and pulling down what is coming from this url: http://www.pur3.co.uk/hello.txt. With that you will find out whether you can connect or not...
From there, you take the next steps...