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Connections  
Updated Dec 28, 2012 by jorgealv...@gmail.com

#New connections.... The pics are self explanatory, but here it goes:

Tx Side

The orange wire carries the signal to the audio IN of your video Tx (black is ground and only connected in one side), the orange disk is a ceramic capacitor marked 473 (47nF) so far it is the value that works better.

EDIT: I am trying now this instead of the above (the above work well, but I notice some banding in the video, thus the change):

Pay attention to the audio level of the Arduino output in order to not saturate audio input of your video Tx.

Use a GND --1.8kOhm --|--8.2KOhm--pin10

|
audio Input

Power from the lipo to the RAW pin of the arduino and also the ground (bear in mind common ground and ONLY effective connection to Ground -avoid ground loops-), the green wire brings the gps signal, in this case 9600bps, but you have to adapt t your gps unit change it in the code also).

Fixed to the TS with double side foam.

Rx Side

New photo-schematic to follow:

Example of servo connections using a stripboard for simplicity and wire arrangement PIN9 for PAN and PIN10 for TILT

The audio "adapter" schematic, borrowed from other modem project.

Bench used filter.

filter adapted to a pcb board.

One winch servo for PAN (Servo GWS S125 1T de 360ยบ or other) and a regular Futaba F148 (or equivalent) for TILT. All ready to roll.

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