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€4,067
pledged of €10,000pledged of €10,000 goal
28
backers
0seconds to go
Funding Unsuccessful
The project's funding goal was not reached on Sun, August 16 2015 9:59 PM UTC +00:00
€4,067
pledged of €10,000pledged of €10,000 goal
28
backers
0seconds to go
Funding Unsuccessful
The project's funding goal was not reached on Sun, August 16 2015 9:59 PM UTC +00:00

About

Our vision is to prepare and motivate next generations of researchers, engineers, and scientists using robotics.

- Dr. Gottfried Koppensteiner, COO of PRIA

Hedgehog

We developed Hedgehog to be simple, flexible and affordable. The Hedgehog Educational Robotics Controller is the centerpiece of this platform, that you combine with your smartphone or computer. Its simplicity makes it suitable for beginners, and Hedgehog is powerful enough to grow with your needs.

Who are we? 

We are the Practical Robotics Institute Austria (PRIA) located in Vienna, Austria. We are an independent non-profit organization with the aim to promote scientific and technical excellence in schools. To do so, we use robotics in education and various research projects, where we involve students with exciting scientific and engineering topics.

What makes the difference? 

Most robotics controllers on the market are „black boxes“: You can't see what's inside, and how the thing works. That's okay for beginners, but if you hit a limit, there's not much you can do. Hedgehog is not like that: from case to software, the controller is open for you to explore and tinker with. Another key differentiator to other robotics platforms is the closely integrated debugging functionality: from within the Hedgehog app, you are able to manually pause the execution of your program, set breakpoints and take a look at current variable values. Whether you want a controller that just works, or customize every last part, whether you’re a beginner or a pro: Hedgehog is for you!

The Hedgehog Educational Robotics Controller
The Hedgehog Educational Robotics Controller

How does it work? 

  • Program: Apps The Hedgehog apps on mobile devices, as well as the desktop IDE, connect to the controller via WiFi. You can develop programs in these apps and easily download them to the controller. The Hedgehog app can also be used for controlling motors and sensors directly in an intuitive graphical user interface and shows a debugging screen while running the program. 
  • Compile: Software Controller We use a Raspberry Pi Model A+ for compiling and running your programs. Besides that, you have access to the full potential of the Raspberry for other programming languages and tasks. We provide libraries for the Raspberry Pi in C and Python. But you're not bound to a Raspberry Pi: all a software controller really needs is UART – and almost all computers and microcontrollers have access to that. 
  • Execute: Hardware Controller The hardware supports up to 16 analog sensors, 16 digital sensors, 6 motors and 6 servo-motors. You can even use smartphone sensors, like the built-in cameras, gyroscope, and accelerometer over WiFi. The USB, HDMI and audio connectors of the Raspberry Pi are also accessible. The controller is powered by a 2100mAh NiMH battery to provide long run times.
Hedgehog structure in different configurations
Hedgehog structure in different configurations

Individualization

  • Write your own custom mobile or desktop apps. We provide the APIs for the Hedgehog controller. 
  • Use a mobile device of your choice. 
  • Switch out the software controller. You prefer Arduino or the Banana Pi? Go for it! 
  • Design your own case according to your special needs and your taste. We provide the files for the original case. 
  • Use the programming language you prefer
Customize your Hedgehog experience with your own apps
Customize your Hedgehog experience with your own apps

Why mobile devices?

If you have a smartphone, you are in good company. Most people today have smartphones, so why not use them for new exciting stuff! We’ve set ourselves the goal to provide an intuitive and handy user experience for the Hedgehog Controller. Since robots tend to move a lot, we decided for a remote user interface – an app on the smartphone or similar devices – instead of an integrated display. Smartphones provide a rich user interface via touch screen, internet access as well as a variety of built-in sensors that can even be used as part of the robot or for remote controlling it. All these features open up a wide area of applications in and beyond education. These benefits make Hedgehog a worthwhile long term investment.

Use your mobile device to program and control self-built robots
Use your mobile device to program and control self-built robots

Hardware Specifications

Hardware Controller

  • Microcontroller: STM32F3Discovery from STMicroelectronics
  • WiFi Board: WizFi 210 from WizNet
  • 16 analog sensor ports including configurable pull-up resistors
  • 16 digital sensor ports
  • 6 motor ports, compatible with 2-pin DC motors (8V, max 1A)
  • 6 servo ports, PWM controlled (5V, total max 5A short term, 3A long term)
  • Charging: power jack input: 15V, min 450mA
  • Battery management unit
  • 1 free UART port for custom extensions
Digital & Analog Sensor Ports
Digital & Analog Sensor Ports

Software Controller

  • Raspberry PI Model A+
  • Interface to Hardware Controller via UART at 115200 baudrate
Servo & Motor Ports, and Software Controller
Servo & Motor Ports, and Software Controller

Misc

  • 2100 mAh NiMH rechargeable battery
  • Plexiglas Case (laser cuttable, engraved, LEGO® compatible hole spacing)
Side View with the Battery on the Bottom
Side View with the Battery on the Bottom

Where are we at in the project?

At the moment, we have several working prototypes: We can deliver the controller as seen in the promotion video. The Hedgehog app will run on both Android and iOS platforms.

Over-funding Goals

  • €15,000 Set up a platform, where developers can discuss the Hedgehog robotics platform and exchange ideas, code and other files.
  • €25,000 Graphical programming language for the Hedgehog Educational Robotics Controller.

Rewards

The Hedgehog shirt (Men: S - 3XL, Women: S - 3XL)
The Hedgehog shirt (Men: S - 3XL, Women: S - 3XL)
3D Printed Robot Arm
3D Printed Robot Arm

Risks and challenges

We have experience with getting the required parts and assembling them. The chosen delivery timeline is long enough to assemble several Hedgehog Controllers, but most likely it will be necessary to subcontract the assembly to a separate company. There are several companies in our vicinity that fit in price and quality for the possible quantities.

The software to be delivered with each controller is mostly complete, and we expect to be finished mid-August, so even with major delays, this will be complete at shipping time.

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Support

  1. Select this reward

    Pledge €1 or more About $1.13

    Simply Thanks

    As our way of saying “thank you” we will send you a nice email.

    Be sure to send us your email address.

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    Pledge €5 or more About $6

    Shout out!

    We will snap a picture of a cool robot holding a "thank you" sign with your name on it. We’ll send it to you over the internet, so that you can frame it and put it wherever you want. If wanted, we’ll post it on our Facebook page as well!

    Be sure to send us your email or social media info so we can send it to you and whether to share it on Facebook.

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    Pledge €10 or more About $11

    Supporter

    You will be listed in the Hedgehog app and desktop IDE as a project sponsor.

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    Pledge €15 or more About $17

    Hedgehog Mousepad

    Get your personal mousepad in Hedgehog design.


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    Pledge €25 or more About $28

    Hedgehog Shirt

    Show your support with a cool shirt! Your choice of size (Men: S - 3XL, Women: S - 3XL).

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  6. Select this reward

    Pledge €100 or more About $113

    Robotics Web-Workshop

    Get a 3 hour web-workshop for Hedgehog. Learn about its hardware and how to write your custom apps.

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  7. Select this reward

    Pledge €320 or more About $363

    Hedgehog Controller (Early Bird, -20%)

    One Hedgehog Controller Package at the Early Bird price! Package includes:
    1 x Controller,
    1 x Case,
    1 x Charger

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    Pledge €400 or more About $454

    Hedgehog Controller

    One Hedgehog Controller Package! Package includes:
    1 x Controller,
    1 x Case,

    1 x Charger

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    Pledge €450 or more About $511

    Hedgehog Controller + Custom Case

    One Hedgehog Controller Package!
    Add your custom engraving (max. 30 characters) to your case. Also you can select from the colors red, white, blue, orange, green or black.

    Package includes:
    1 x Controller,
    1 x Your Custom Case,
    
1 x Charger

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    Pledge €450 or more About $511

    Hedgehog Controller + Robotics Starter Kit (Early Bird, -10%)

    One Hedgehog Controller Package and a robotics starter kit! Package includes:
    1 x Controller,
    1 x Case,
    
1 x Charger,
    2 x SG-5010 Black Gear Motor,
    2 x SG-5010 Standard Servo,
    2 x Light Sensor,
    2 x Infrared Sensor,
    2 x Touch Sensor,
    several LEGO® Parts,
    and several Metal Parts

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  11. Select this reward

    Pledge €500 or more About $567

    Hedgehog Controller + Robotics Starter Kit

    One Hedgehog Controller Package and a robotics starter kit! Package includes:
    1 x Controller,
    1 x Case,

    1 x Charger,
    2 x SG-5010 Black Gear Motor,
    2 x SG-5010 Standard Servo,
    2 x Light Sensor,
    2 x Infrared Sensor,
    2 x Touch Sensor,
    several LEGO® Parts,
    and several Metal Parts

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  12. Select this reward

    Pledge €750 or more About $851

    Hedgehog Controller + 3D Printed Robot Arm

    One Hedgehog Controller Package and the 3D printed buckling arm robot! The robot is assembled with actuators, sensors and 3D-printable parts. Additionally the robot arm has a modular design, aiding curious students in understanding and changing parts of the robot, e.g. the gripper, to their liking.

    Package includes:
    1 x Controller,
    1 x Case,

    1 x Charger,
    1 x 3D Printed Robot Arm,
    
1 x Axle Bearing,
    1 x Standard-Servo RS-22 YMB,
    
2 x Standard-Servo HS-5645MG Digital,

    1 x Servo DES 718 BB,

    3 x Mini-Servo HS-65MG,
    and several extension cables

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Funding period

- (47 days)