![]() ![]() Those will work just fine on Arduinos that support 64 bit float. Light sensor dusk to dawn IP44 Product details Spare parts and accessories Accessories Product documents Favorites Outdoor Lights Indoor Lights Customer. There are other, maybe even better, libraries but they depend on 64 bit calculations. The main advantage of the SolarPosition library is that it is optimized for accuracy when using only 32 bit float calculations. The last time I remember discussing this topic, someone piped in a link to another astronomical library - it looked pretty good but I forgot to bookmark it, can't find it now. And - power saving since you would know when it is appropriate to turn on the light sensor and when it's pointless. Dusk to dawn lights are a great way to save energy for outdoor lights. It may help get some idea of the approximate sky illumination at any given time.Īnother integration would be to combine it with a light sensor, use a little fuzzy logic to utilize both data. Lighting, electrical supplies, ceiling fans and more Shop our selection of indoor & outdoor, commercial & residential products. Although, of course, direct sunlight is usually not necessary. Then the light would stay on until the path is out of the shadow of the building. For example, if a walkway is on the side of a large building, you could factor in the Solar azimuth as well as the elevation. After I posted, I also realized that you could be more creative with it. ![]()
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