Prepare 2 D-duino.
One is connect like this.
There is a 18650 shield and a DHT11 sensor connected with D-duino.
Code is here.
Then you can check.
My home temperature and humidity data will upload to ThingSpeak every 60 seconds.
Also you can see the data on the OLED display.
I left this d-duino in my home. Then I went to my work place.
A little far, is it?
I took another D-duino to my work place.
With this d-duino I can check the current time.
Weather of my city.
Weather forecast.
My home temperature and humidity
Code is here.
Also we can see the data on ThingSpeak.
Very cool, is it?
can you post dimensions of iot board?