We need to keep or preserve electricity because maximum of the power sources we rely on, like coal and herbal fuel cannot be replaced. Once we use them up, they're long past all the time. Saving energy may be very vital, instead of using the energy in unnecessary instances it must be switched off. In any town “road mild” is one of the important energy ingesting factors. Maximum of the time we see road lights are ON even after dawn for this reason losing lot of strength. Over here we're avoiding the trouble by having an automatic device which activates & OFF the street lighting fixtures at given time or when the ambient light falls below a particular depth. Each controller has an LDR which is used to discover the ambient mild. If the ambient light is below a specific cost the lighting are became ON. A mild dependent sensor is interfaced to the micro controller it is used to tune the solar mild and when the sensors is going dark the led might be made on and whilst the sensor founds light the LED can be made OFF. It genuinely demonstrates the working of transistor in saturation area and reduce-off place. The working of relay is likewise regarded micro controller and the code is written in C language in the resulted cost may be seen with the assist of UART or liquid crystal display. Automated street mild control device is an easy but powerful idea, which makes use of transistor as a switch. By using this machine manual works are 100% eliminated. It routinely switches ON lighting fixtures when the daylight goes below the visible place of our eyes. This is finished by means of a sensor referred to as mild established Resistor (LDR) which senses the mild sincerely like our eyes. It automatically switches OFF lighting whenever the daylight comes, visible to our eyes. Purpose of this seminar is to manipulate the street mild the usage of LDR.

Keywords : LED, LDR, Solar Panels, Micro Controller, GPS System.