Astronomical time switch

FABROTECH

Astronomical time switch for switching on street lights, hoarding lights, sign board lights at sunset time & switching off at sunrise time without any light sensor. sunset & sunrise time is generated every day by microcontroller based astronomical time switch using astronomic software for any geographic location (latitude, longitude & time-zone). with twilight setting lights can be switched on earlier from sunset time (for indoor lights) or delayed from sunset time (for outdoor lights) by 0 to...