Thanks, Phil.Phil_G wrote:You will need three connections to your transmitter, conveniently made with 3-way servo wire. Ground is easy. The ground plane of the transmitter PCB is usually obvious - if not, find the black wire from the battery.
Next you need a switched positive battery supply. This can be taken from the switch or from the board, whichever is most convenient. Finally you need the PPM signal. The easiest place to find this is on the back of the trainer/sim port. Here is an excellent source of buddybox connections.
Whilst you're inside the transmitter, you need to stop the it emitting any 35mhz signals, so remove the crystal, and also remove the 35mhz aerial.
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