grassickpark Posted October 5 Share Posted October 5 Hi, I'm looking for something that would read sunlight levels so that my greenhouse lights would come on during cloudy days. Right now it's just on a basic timer that comes before dawn and after dusk for a couple hours. Does Shelly offer some kind of combination of sensors/smart switches that would accomplish this? Thanks Quote Translate Revert translation? English (American) Finnish French German Italian Portuguese (European) Spanish Link to comment Share on other sites More sharing options...
wooly Posted October 5 Share Posted October 5 (edited) shelly UNI [or the add on]: put a photoresistor between +3.3 (sensor Vcc or Vref) and analog-IN and a 100kΩ resistor between analog-IN and GND . so you can control it based on the luminosity [see Edited October 5 by wooly Quote Translate Revert translation? English (American) Finnish French German Italian Portuguese (European) Spanish Link to comment Share on other sites More sharing options...
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