Light control with outdoor sensor

Hardware Home Automation
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1

I would like to be able to control my light in the apartment depending on the daylight. What kind of sensor do you use for this? A daylight sensor that is suitable for outdoor use?

I find the Homematic IP (HmIP-SLO) interesting. However, I would like to clarify in advance if it works with my setup. Something with ZigBee would also be good. Really cool would be a free REST service on the Internet, which provides such data.

Current setup:

OpenHAB2 on DietPi, Raspberry Pi
Homematic with CUL-Stick and Homegear
Philips Hue with Hue Bridge
Fibaro over Z-Wave

2

If just related to daylight I tend to use the astro binding to determine that. No sensor needed.

3

Yes, that’s how it is with me at the moment. But it is too static. In autumn and winter it is often dark, although the earth is facing the sun.

4

Some weather providers have some of the data that may be useful. That depends to some extent where you are located,

5

Hamburg, Germany