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$4,865 pledged of $5,000 goal
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All or nothing. This project will only be funded if it reaches its goal by .

$4,865 pledged of $5,000 goal
backers

All or nothing. This project will only be funded if it reaches its goal by .

About

Documentation

User's manual, design files, source code, and Arduino example can be found here: http://www.servoshock.com/servoshock-2-for-ps4.html

ServoShock 2 for PS4

The ServoShock is a servo control board that lets you control servos and digital outputs with a Sony DualShock 4 controller (for the PlayStation 4) over USB or Bluetooth.  It is also compatible with the T.Flight HOTAS 4 joystick and 3DConnexion SpaceExplorer, SpaceNavigator, or SpaceMouse Wireless.  No programming experience is required.  To get started, you just need a PS4 controller, a USB cable, a power source between 5V-17V, and the servos.  The ServoShock has an on-board 5V regulator that can be used to supply low power servos, or the regulator can be bypassed to power the servos directly from the power supply if you need more power.

The ServoShock can control 12 servos and 18 digital outputs.  The outputs are controlled by: 

  • 4 servo channels mapped to the analog joysticks
  • 2 servo channels mapped to the triggers
  • 4 servo channels mapped to 2 virtual joysticks on the touchpad
  • 2 servo channels mapped to the X/Y tilt sensor
  • 18 digital outputs mapped to the buttons and triggers

The rumble motors and the LED light bar can be controlled with analog input pins.

There are many built-in configuration and adjustment options that should satisfy the vast majority of use cases.  

Servo adjustment options include:

  • Direction, sensitivity, travel limits, trim, and deadband adjustments
  • Joystick zero position calibration
  • Position/Incremental mode (joysticks can directly control the servo's position or move incrementally in the direction the stick is pushed)
  • Differential and mecanum wheel drive control mixers

Button digital output adjustment options include:

  • Pushbutton mode
  • Toggle mode
  • Autofire with adjustable duty cycle and frequency
  • Toggled autofire
  • Single pulse with adjustable pulse width
  • Output inversion

Arduino headers can be installed in the ServoShock to use it as an Arduino Uno shield.  When used as an Arduino shield, the Arduino uses the SPI bus to read the PS4 controller through the ServoShock and can selectively control the servos and digital outputs, allowing the user to implement a custom control scheme and program automated sequences.  The light bar and the rumble motors can also be controlled by the Arduino.  

This is an open source project, design files and firmware are posted at the documentation website. (http://www.servoshock.com/servoshock-2-for-ps4.html).

Original ServoShock DIP-40 Module

The ServoShock 2 is an update to the original ServoShock (http://kck.st/1gV4LmX) for the PS3 controller.  The DIP-40 module has a much smaller form factor and is breadboard-friendly, which is useful if you have limited space or want to build your own circuit around it.  These are compatible with the new firmware for the PS4 controller, but the output pin for the button under the touchpad and the light bar control pin are not brought out (the new pin mapping can be found in the ServoShock 2 user's manual linked at the top of the page).  The DIP-40 module requires an external 3.3V and 5V power supply.  These boards are available at www.servoshock.com, and I'm making a limited number of them available for $20 as an add-on instead of the usual $35.

Rewards

For backing this project, you will receive a ServoShock 2 board with a set of loose Arduino headers.  The Bluetooth dongle is included; the PS4 controller is not included.

ServoShock 2 board
ServoShock 2 board

Also available is a kit for interfacing with the FrSky XJT radio module.  The radio module itself is not included.

FrSky XJT adapter board
FrSky XJT adapter board

For this Kickstarter, I am also offering a limited number of discounted DIP-40 modules ($20 instead of the usual $35) as an add-on.  These will come with the new firmware for the PS4 controller.

DIP-40 module
DIP-40 module

Status and Schedule

The designs are ready for production.  Production samples have been received and tested.  The test fixtures and test software have also been built and tested.

It will probably take about 2 months to get everything built, tested, packed, and shipped, so deliveries are expected to begin late April.

Why Kickstarter?

For electronics manufacturing, it's economical to build in batches, so crowdsourcing a production run lowers the price for everyone. I also had a great experience with my last Kickstarter, and the feedback I got from my backers helped me improve the design.

Thanks for considering the ServoShock, and please let me know if you have comments or questions.  I'd love to hear from you!

Risks and challenges

The boards are fairly simple and will get delivered eventually barring some disaster, but problems with the supply chain (vendor mistakes or part shortages) could cause several weeks of delays. Since each part is individually tested in-house before shipping, large volumes would cause delays as well.

The ServoShock has been tested and works with the two PS4 controllers that I own, one original PS4 controller and one PS4 Pro controller. However, it is possible that a different revision (for example, if Sony updates the firmware in the future) of the controller may not work with the ServoShock, since Sony does not publish their specifications or communication protocols (I had to reverse engineer it). If this happens, please let me know, and I will look into it.

Also, some of the newer features (such as using the ServoShock with the XJT radio module) have not been extensively tested in the field.

In any case, I want you to be happy with it, and if you're not, I'll refund you.

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  1. Make a pledge without a reward

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  2. Select this reward

    Pledge $55 or more About $55

    ServoShock 2 Board

    A ServoShock 2 board for the PS4 controller. Loose Arduino headers are included.

    Includes:
    • ServoShock 2 board with Arduino Headers
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    Pledge $65 or more About $65

    ServoShock 2 and XJT Adapter Kit

    This includes a ServoShock 2 board and an adapter board kit for the FrSky XJT radio transmitter module. The kit consists of a bare board and some header pins.

    Includes:
    • ServoShock 2 board with Arduino Headers
    • FrSky XJT transmitter module adapter kit
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  4. Select this reward

    Pledge $75 or more About $75

    ServoShock 2 and DIP-40 module (early)

    These are the production samples of the ServoShock 2, they are tested and ready to ship once the campaign ends. These boards have no silkscreen printing on the back side, so they won't have the ServoShock logo and board revision printed on them.

    This reward includes a discounted ServoShock DIP-40 module with the new firmware for the PS4 controller.

    Loose Arduino headers for the ServoShock 2 board and header pins for the DIP-40 module are included.

    Includes:
    • ServoShock 2 board with Arduino Headers
    • ServoShock DIP-40 module for PS4
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    Estimated delivery
    Ships to Anywhere in the world
    Limited (15 left of 30) 15 backers
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  5. Select this reward

    Pledge $75 or more About $75

    ServoShock 2 and DIP-40 module

    A ServoShock 2 board for the PS4 controller with a discounted DIP-40 module.

    Loose Arduino headers for the ServoShock 2 board and header pins for the DIP-40 module are included.

    If you add $10 to your pledge, I will include an XJT radio adapter board.

    Includes:
    • ServoShock 2 board with Arduino Headers
    • ServoShock DIP-40 module for PS4
    Less
    Estimated delivery
    Ships to Anywhere in the world
    Limited (2 left of 30) 28 backers
    $
    Kickstarter is not a store.

    It's a way to bring creative projects to life.

    Learn more about accountability.