can u please tell me how to interface 12 channel rf transmitter n receiver(remote ckt) circuit with 89c51.my project is to control forward n backward motion of 3 dc series motor using rf remote .n v r interfacing remote to motor via 89c51.can u pls help me in writing program for controlling motor movements.i ll highly appreciate ur earliest response. my id is- swati_alwayzder4u@yahoo.com