User:SADDAM SADEQ SAFI/sandbox

An inventor can find solutions to some problems related to automated devices Inventor of a tennis balls thrower with Arduino technology The device acts as a robot player He throws the balls at the trainee randomly and speeds like a professional player The inventor conducted research on players participating in the Davis Cup Championship from the Asian continent The results are outstanding The inventor is currently working on another device that converts defensive skills into offensive skills to develop some defensive skills in tennis In the annexes are some sources and the patent of the inventor He's also a painter can vist him on instagram account ( s.s.a.1.1.89 )