I found some software that sends an 8 channel PPM signal out the computer's headphone jack.  Your supposed to connect it to their PPM pulse decoder board, which can control servos.  Or you can connect your radio Tx to the Pulse decoder board and control servos without a receiver.But I want to control my Tx directly with my computer, and not use their pulse decoder board at all.  Will the transmitter (dx5e) take a PPM signal directly from a computer headphone jack?  Or is the voltage not right? …See More