our sole purpose is to bring you the right information and the right advisor, right at your place. we were not born with these thoughts. have a look at the help and at the manual and then come back with your questions. i will not be available on the 9th, sorry. i have add, which means my mind jumps, just like this sentence. when it is connected with controller, sometimes the sounds of geared motor can be too loud to be input in the controller in normal way. 