I have just modified my GWS Dream Starter for connecting to my computer. But both the buttons "resource and the "calibrate" under the option "parallel /serial 32bit vdx" were always disabled. Why? Am I done something wrong??
I directly connect the PPM signal (5v peak) from the IC to the pin(10) of the parallel port and the ground is connected to pin (18).
I think the 5v peak voltage matched to the TTL level of the serial port, so I have added nothing between them. Am I wrong?
Thanks for any help!!