> Actually that's perfect, since it will not be a kill switch but an "alive > switch" the motor will be kept alive as long as it receives a valid signal > from the second transmitter, that way if anything goes wrong with the first > receiver/transmitter pair all I have to do is shut off the second > transmitter. You can do this better with a single transmitter. That way if the control info isn't getting there, the engine is killed. It also sounds easier to deal with in a panic since you probably already have the controls for the first transmitter in your hand. ******************************************************************** Olin Lathrop, embedded systems consultant in Littleton Massachusetts (978) 742-9014, olin@embedinc.com, http://www.embedinc.com -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu