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====== Compact collective head ======
 

===== Summary =====

This head is perfect for motion platform users, as it can be used without a counterweight, or even without the pneumatic mod (although I do highly recommend the latter!). It also works well, as a generic gaming device – The shape allows using it as a throttle lever on a single-engine airplane when mounted to the GUNDE chair onto the Malinda mount at 30 degrees. \\ {{http://hc625ma.org/wp-content/uploads/2019/07/15628064868833158517964134919653-1024x1024.jpg?400 |}}


===== Components =====

  * 4 x MTS-123 or MTS-103 switches (MTS-123, (on) - off (on) momentary ones, are preferred)
  * 2 x PBS-10B2 buttons
  * 1 x KY-023 ministick board
  * 4 x M3x25mm screws and nuts
  * 1 x Arduino Pro Mini

===== Repository path =====

simchair4_models\printable components\peripherals\helicopter\collective lever\c_switch panels\compact integrated head


===== Assembly guide =====

1. Assemble the lever as described in the [[simchair4:guide_collective_body_single-throttle-for-integrated-heads|single throttle lever for integrated heads assembly manual]]. Install the compact collective head into the lever body.

 {{http://hc625ma.org/wp-content/uploads/2019/07/15627933669808738192164808220521-1024x1024.jpg?300}}

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2. 

-Solder an ISP header to the Pro Mini board. 

-Solder the I2C cable to the board as usual. 

-Remove LED from pin 13. 

\\ {{http://hc625ma.org/wp-content/uploads/2019/07/15627934435157349507168809673598-1024x1024.jpg?300 |}}

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3. Put 4 M3x10mm screws into the KY-023 board. Use nyloc nuts as legs for the board. Solder a 5-wire ribbon cable.
\\ {{http://hc625ma.org/wp-content/uploads/2019/07/15627939976016762817830020433337-1024x1024.jpg?300 }} {{http://hc625ma.org/wp-content/uploads/2019/07/15627942806488168736311395638067-1024x1024.jpg?300 }}

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4. Solder KY-023 board to Pro Mini like this:

GND -> GND next to pin 2
5v -> PIN2
SW -> PIN3
VRx -> A0
VRy -> A1

{{http://hc625ma.org/wp-content/uploads/2019/07/15627949009683455387002438148903-1024x1024.jpg?300}}

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5. Install switches and buttons into the lid as shown on the picture below. Use hot glue to fix them in place.

{{http://hc625ma.org/wp-content/uploads/2019/07/15627950045236380469503719726751-1024x1024.jpg?300 }}
{{http://hc625ma.org/wp-content/uploads/2019/07/15627950228628473965935982749990-1024x1024.jpg?300 }}
{{http://hc625ma.org/wp-content/uploads/2019/07/15627950442918538488809440675595-1024x1024.jpg?300 }}
{{http://hc625ma.org/wp-content/uploads/2019/07/15627950632414037409222663022165-1024x1024.jpg?300}}

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6. Solder the ground wire to switches and buttons on the lid. Connect it to the GND pin of the KY board.
\\ {{http://hc625ma.org/wp-content/uploads/2019/07/15627951242274720880677798757645-1024x1024.jpg?300}}

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7. Solder 2 5-wire cables to switches as shown on picture below:
\\ {{http://hc625ma.org/wp-content/uploads/2019/07/15627962648773773660709679138427-1024x1024.jpg?300}}

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8. Solder 5-wire cables to Pro Mini as shown on the picture below:
\\ {{http://hc625ma.org/wp-content/uploads/2019/07/compact_collective_wiring.png?300}}

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9. Flash the board with it's firmware, through the ISP header.

Uncomment 
''#define CALIBRATE''
and open the serial console, then check all switches and buttons. If everything works, proceed!

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10. Put shrink tube onto the Pro Mini board, and insert it into the throttle frame.
\\ {{http://hc625ma.org/wp-content/uploads/2019/07/15627978139881294672067774706759-1024x1024.jpg?300 }}
{{http://hc625ma.org/wp-content/uploads/2019/07/15627979420422800707081193571037-1024x1024.jpg?300 }}
{{http://hc625ma.org/wp-content/uploads/2019/07/15627982014109030959695999942256-1024x1024.jpg?300 }}
{{http://hc625ma.org/wp-content/uploads/2019/07/15628064868833158517964134919653-1024x1024.jpg?300}}

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Congratulations, your compact lever is finished!
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