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Feb 21, 2017, 01:37 PM
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DIY wireless buddy trainer connection


Hi,

Here is a simple way to connect a buddy trainer radio, without cable.
One needs:
- a standard receiver, bound to the student's transmitter
- a PPM encoder (look for 'PPM Encoder' on eBay: less than 5 $, shipped from China).
- a BEC (provides 5volts for the receiver & encoder)
- A small LiPo (2S or 3S for instance)
- The appropriate connector to connect to the master transmitter (example: a simple audio jack for JR/Spektrum)

Note 1: This should work with any brand of transmitter, not necessarily the same on the master & student sides. If the channels are not in the right order, just swap some wires between the receiver's outputs and the encoder's inputs.

Note 2: if you have a receiver with a PPM output, then, in principle, the encoder is not required. However, there would be no physical way to adjust the channel order (but maybe one of the two transmitters is sophisticated enough, so that one could change the channel order at the software level).


G.
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