Project Description: Solo is a smart device which is a solar panel cleaning system and will do both, the cleaning also the brushing of the solar panel that is why it is named SOLO. The device consists of arduino Uno, motor, motor driver, relay and solenoid.This is a hardware project which falls under the theme automate the surroundings. The reason behind making this device is to make the cleaning work of the solar panel more easier and whereas we had to use many devices to clean the panel but here it is just one device that is doing the cleaning as well as the brushing work of panel. The cleaning of solar panel is very very expensive because of it I have created SOLO.