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thanks, will try and update this conversation with my steps and results.

Is is possible to set a own vector font like setting a own bitmap font ?

yes, that's it - thanks.

      console.log("Temp is "+a.temp.toFixed(1).toString()+
                  " and RH is "+a.rh.toFixed(1).toString());
/*
Temp is 21.1 and RH is 38.9
Temp is 21.0 and RH is 38.9
Temp is 21.0 and RH is 39.0
Temp is 20.9 and RH is 39.1
*/

working fine on ESP, build version see test output

comments: I prefer a fixed result format, e.g. 999.9

pin=D4;
// latest version 14-Jan-2016 16:09
var dht22 = require("DHT22").connect(pin);

var dht22_read_test = function() {
  dht22.read(
    function(a){
      console.log("Temp is "+a.temp.toString()+
                  " and RH is "+a.rh.toString());
});};

setInterval(dht22_read_test,5000);


/* test output 

 1v84.tve_master_f35ac96 Copyright 2016 G.Williams
WARNING: the esp8266 port is in beta!
Flash map 4MB:512/512, manuf 0xe0 chip 0x4016
>echo(0);
=undefined
Temp is 19.9 and RH is 45.7
Temp is 19.9 and RH is 45.8
Temp is 19.9 and RH is 45.6
Temp is 19.9 and RH is 45.6
Temp is 19.9 and RH is 45.6
Temp is 19.9 and RH is 46
Temp is 19.9 and RH is 43.1
Temp is 19.8 and RH is 42.3
Temp is 19.8 and RH is 40.8
Temp is 19.7 and RH is 40.9
Temp is 19.5 and RH is 41.3
Temp is 19.4 and RH is 41.3
Temp is 19.2 and RH is 39.5
Temp is 19.1 and RH is 40.3
Temp is 18.9 and RH is 43.7
Temp is 18.7 and RH is 44.2
Temp is 18.2 and RH is 36.9
Temp is 17.9 and RH is 37.2
Temp is 17.7 and RH is 39.1
Temp is 17.4 and RH is 36.7
Temp is 17 and RH is 36.4
Temp is 16.6 and RH is 37.4
Temp is 16.3 and RH is 38.9
Temp is 15.9 and RH is 41.1
Temp is 15.6 and RH is 42
Temp is 15.3 and RH is 41
Temp is 14.8 and RH is 42.9
Temp is 14.8 and RH is 42.9
Temp is 14.6 and RH is 43.5
*/

I will test too over the weekend

works fine for me, if you like, use the short way to convert r to integer ;-)

...
r=getTime()*1e6|0;
...

on ESP8266 12E it is attached to the ADC pin, no input no value.

use

analogRead(D0)

NICE !

Question: shouldn't setTimeout("animate()",100); be outside of function animate() {} ?

Maybe you want to check this video as well APA102 RGB Pixel Addressable LED

, Julian Ilett is doing great stuff !

Or check this site digging-into-the-apa102-serial-led-proto­col on HACKADAY

@Ollie True, this one is better than any station without temp adjustment, so go and get one ;-)

Got one .....

yes it has a cheap potentiometer with min,1 to 5 x 100 °C , set to 2.5 and started some soldering

o wire is relative stiff
o pen is large and heavy, compared to Xytronic LF-3200
o no temp reached feedback
o soldering works fine, tried some SMD 1206 and one SO20

@Gordon will buy this MLX90614

Is there a cheap temperature sensor that can handle up to 350°C to adjust this station ?

this is offered in Germany at LIDL solder station
will get one and come back with test results ...

to avoid shadows use three led stripes and put them on a carrier, this should create a nice all-over sword light

seems like this is getting a big boy toy ;-)

in file ESP8266_BOARD.py ?

Is someone getting a valid build for USE_GRAPHICS=1 ?

mine is lost in reset loops...

also check this ESP12 shifter from adafruit

what about the wifi setup code ?

try this

var http = require("http");
http.createServer(function (req, res) {
  res.writeHead(200);
  res.end("Hello World"); 
}).listen(8080);
save();

use load(); to get your code back and then use dump(); to display saved code

updated to work with 1v84.tve

I use the IDE as chrome APP and set up a project,
this allows me to add local modules in the project folder modules.
Send to Espruino will include this modules than save() and check with dump()

@tve: no wires, what about the very first time after unboxing the ESP ?