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6-Channel mod for the gyro-less Walkera RX 2609

As posted before, the Walkera RX2609 can be modded to a 2.2gm gyro-less RX for micro planes etc. Now here is the mod to use all 6 channels. The 6th channel is gyro-sense which normally goes directly into the gyro. Ive routed the gyro-sense to the SX servo socket. The SX socket was originally used to output the tail servo signal generated by the gyro. Now it put out the gyro-sense / AUX2 signal directly. Only to pad on the PCB have to be connected for this.

Walkera RX 2609 6 Channel mod

Walkera RX 2609 6 Channel mod

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Categories: Electronics, How To, Mods, Planks Tags: ,
  1. Jim
    January 31st, 2010 at 12:06 | #1

    Hey mate, posted a thread up here
    http://www.rcgroups.com/forums/showthread.php?t=1185299
    And was given your site as a resource.
    I need to hack the on board gyro on the TX2421 so I can fit an external HH gyro.
    Any ideas?

  2. RobZULU
    January 31st, 2010 at 20:54 | #2

    Hi Jim,

    im afraid i can’t help you as i don’t know the RX you are referring to.
    Maybe you can post some pictures of the RX PCB on RCGroups?

    Rob

  3. Don
    February 18th, 2010 at 03:39 | #3

    Hey Rob,

    I’m interested in the mods you posted in order to use a separate gyro with the RX2609 in my 4G6. The way I understand it the raw rudder channel signal would normally go to the gyro board, along with the AUX2/gyro-sense channel, then from the gyro board to the rudder servo connector. When you remove the gyro board, how did you get the raw rudder signal to the rudder connector?

    Sorry if I’ve missed something but I couldn’t find specifics.

    Thanks – Don.

  4. RobZULU
    February 18th, 2010 at 12:34 | #4

    Hi Don,
    the 2609 already has a rudder output so you can get the raw rudder signal from it. The tail servo output that is used on the stock 4G6 is labeled SX and its the gyro-ed mix of the ruddersignal and gyro. What you also want is the gyrosense signal: you can get it from one of the pins the connect the walkera gyro board to the rx board (see my pics).
    Rob

  5. Don
    February 18th, 2010 at 15:05 | #5

    Thanks Rob.

    When I got home and had a look at the receiver I twigged to the fact that there was already an (unused) rudder output. I’ll make the same mods as you and move the gyro-sense output to the SX servo connector and that will give me everything I need. I’ve got an LVBoost on the way to get a good 4-4.5V to the receiver and separate gyro when the battery is under load. These 2609’s are a versatile little 6-channel receiver really, and cheap.

    Keep up the good work – Don.

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