This project illustrates invention and operation of pesticides sprayer with the use of solar energy. This accomplished by the use of solar panel, DC pump, gear reduction mechanism, dispensers, and batteries. In addition, the sprayer has been equipped with a facility to operate on an electric supply, which serves ben...

The human companion is an automated robot which follows the owner wherever he goes and as well as help him in carrying his load. The owner of the companion is given a GPS module with an unique id such that no other GPS device can interfere with the operation of the companion. This robot works by the principle of GPS...