Code for sending data to thinkspeak

temp-to-thinkspeak.js

var wifi = require("Wifi");
var http = require("http");
wifi.setHostname("nodeMCU-espruino");
wifi.connect(YourSSID, {password: YourPassWord}, function(err){
  setTimeout(function(){
    if(err !== null){
      console.log("Unable to connect");
      return;
    }
    console.log("Info: ", wifi.getIP());
    digitalWrite(NodeMCU.D4, 0);
  }, 2000);
});
wifi.stopAP();
wifi.save();

var temp = 0;

setInterval(function(){
    http.get(YourUpdateFeed + temp, function(res){
    res.on('data', function(data){
      console.log("Data: ", data);
    });
    res.on('close', function(){
      console.log("Temperature Sent");
    });
  }).on('error', function(e){
    console.log("Error: ", e);
  });
  
  if(temp>=99){
    temp = 0;
  }
  temp = temp + 1;
}, 20000);