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Haptic Pin Array Progress Report & Lessons Learned David Klaus Joe Solomon Motors have been successfully controlled using prototype circuit. Electronic Progress Motors have been successfully controlled using prototype circuit.

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Haptic Pin Array

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Haptic pin array l.jpg

Haptic Pin Array

Progress Report & Lessons Learned

David Klaus

Joe Solomon


Electronic progress l.jpg

  • Motors have been successfully controlled using prototype circuit.

Electronic Progress


Electronic progress3 l.jpg

  • Motors have been successfully controlled using prototype circuit.

  • Printed circuit board for up to 64 motors has been designed and built. ALMOST up and running!

Electronic Progress


Electronic progress4 l.jpg

  • Motors have been successfully controlled using prototype circuit.

  • Printed circuit board for up to 64 motors has been designed and built. ALMOST up and running!

  • Simulating the 16 Bit Computer Input:

Electronic Progress


Electronic progress5 l.jpg

  • Motors have been successfully controlled using prototype circuit.

  • Printed circuit board for up to 64 motors has been designed and built. ALMOST up and running!

  • The Decoder and Timer Circuitry:

Electronic Progress

To PWM Generator

16 Bits from Computer

Decoder Circuitry

Timer Circuitry


Electronic progress6 l.jpg

  • Motors have been successfully controlled using prototype circuit.

  • Printed circuit board for up to 64 motors has been designed and built. ALMOST up and running!

  • The PWM Generator:

Electronic Progress

From Decoders

To Motors


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  • Motors have been successfully controlled using prototype circuit.

  • Printed circuit board for up to 64 motors has been designed and built. ALMOST up and running!

  • The Motor Connector:

Electronic Progress


Electronic progress8 l.jpg

  • Motors have been successfully controlled using prototype circuit.

  • Printed circuit board for up to 64 motors has been designed and built. ALMOST up and running!

  • Remaining Issues:

    • --Testing Buffers with “fanout”

    • --Implementing computer control via ServoToGo.

Electronic Progress


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Mechanical Progress

  • Pin array has been built


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Mechanical Progress

  • Pin array has been built


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Mechanical Progress

  • Pin array has been built


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Mechanical Progress

  • Pin array has been built

  • Remaining Issues:

    • Put it together!!!

    • Pray


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  • How to solder quickly (1500-2000 connections!)

  • How to (re)design printed circuit boards (Traxmaker)

  • Very nifty signal generation. A PWM generator like this could be very useful in a lot of different applications.

  • Machine shop skills +1

  • Control of servo motors

  • Design and fabrication process

Life Lessons


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