The application of solar warning light is in line with the development of modern society, and some things can be avoided to a certain extent through solar warning light. With the acceleration of urbanization process, urban construction and construction are more and more. In order to prevent accidents of passing vehicles and pedestrians, striking construction signs are usually set at the construction site. Especially at night and rainy, snowy, dense fog and other weather are more dangerous, so it is usually necessary to turn on warning lights to ensure safety. The solar warning light is powered by solar panel and battery, and has two functions of manual control and light control. Under the automatic control state, the circuit can control the warning light to turn on automatically after dark, and make it work in the flashing state, and turn off the warning light automatically in the daytime. It can also be controlled manually. It can also work in the daytime, which is convenient for adjustment, low cost and convenient for use.

For today's society, dangerous events continue to happen. Every day, we can see the occurrence of such accidents from the news. The solar warning light can provide a certain guarantee for the safety of our road. For the whole system, there are two working modes: manual control and automatic control. Under the condition of manual control, when the circuit is connected, the warning light starts to flash to remind the vehicle or pedestrian. In the automatic control state, the working state of the warning light can be controlled. When the daylight is good, the resistance value of photoresist is small, the relay is off, and the warning light does not flash. When the light is dark at night, the resistance of the photoresist becomes larger, the comparator outputs a high level, the relay is closed, and the warning light is electrified to start flashing, so as to play a warning role.

The power supply unit, light control unit, main control MCU unit and LED light-emitting unit are four parts of the system. The system mainly uses solar panels to charge the battery through diodes. The battery is powered after voltage stabilization, and is powered by the battery at night or in cloudy days. Solar warning lights provide a guarantee for the safety of the city. In fact, as we usually say, we can't predict the occurrence of danger, but if we can do a good job in security, will it reduce the occurrence of accidents? The good performance of solar warning light is sure to play its role.

Solar warning light is suitable for urban construction and other aspects, it can play a warning role for some vehicles and pedestrians. However, from the current situation, the solar warning light itself needs to be continuously improved. The use process is also a process of finding problems, which is more conducive to the modification and supplement of the solar warning light.