9XR telemetry mods

[ozzymat]

9XR and Frsky DJT telemetry mod.

Modification of the 9x telemetry Mod to suit the different 9XR module interface board, using a MAX232 to change voltage levels from the DJT RS232 to TTL.

9XR telemetry mods with Max232.pdf

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For those that don't wish to build up the interface board. You can buy one (that is smaller) from here ----> Mini RS232 to TTL Converter