Now, after two weeks of vacation, the sensors were in operation from 2016-05-17 until now and the battery condition is very well. This means an uninterrupted run time of 28 days until now.
You can follow the status of this IoT Node at www.ckuehnel.ch/AM2315@NodeMCU.html. Here is a screen shot of today’s results.
The following images show that already little sun as today helps to recharge the LiPo accu of the solar-powered AM2315 sensor.
As you can see, for mid of May it is a little bit cold. After noon, the clouds thinned slightly and the temperature grows up. The IP camera image shows the cloudy sky.
But, the prognosis for the afternoon is not so bad. Look at the evening what happened.
To build an autonome weather station I started a test with a solar-powered AM2315 Sensor. The data are uploaded to Thingspeak.com and are presented over an own website.