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Documents DIY Raspberry Pi Pico Fizz Buzz Multiplication Game -- Episode 490
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  • Author Author: tariq.ahmad
  • Date Created: 9 Mar 2021 5:02 PM Date Created
  • Last Updated Last Updated: 19 Mar 2021 8:24 AM
  • Views 3955 views
  • Likes 12 likes
  • Comments 6 comments

DIY Raspberry Pi Pico Fizz Buzz Multiplication Game -- Episode 490

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Inspired by an old Ben Heck project, Andy breathes new life into a forgotten Fizz Buzz game using a Pico Pi.  The challenge of driving the 4 x 14 segment displays was met using some shift registers and by multiplexing the digits. The first core runs the game and the interrupt driven buttons. Leaving the second core of the Pico Pi to drive the display.

Supplemental Material:

  • Winners Announcement: We're Giving Away Two Ben Heck Hex Game Prototypes!
  • New Workshop
  • VSCode and MicroPython for the Pi Pico

Bill of Material:

Product Name Manufacturer Quantity Buy Kit
Pi Pico Raspberry Pi 1 Buy Now
CD4094BE 8-bit Shift Register Texas instruments 2 Buy Now
HDSP-A22C Alphanumeric LED Display, Red, 20 mA, 2, 13.7 mm, 1.9 V Broadcom 2 Buy Now
Push button momentary round red Multicomp Pro 1 Buy Now
Push button momentary round green Multicomp Pro 1 Buy Now

 

Additional Parts:

 

Product Name

Breadboard

Wires

Attachments:
FizzBuzz_Resources.zip
element14 presents
DIY Raspberry Pi Pico Fizz Buzz Multiplication Game

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Top Comments

  • Workshopshed
    Workshopshed over 4 years ago in reply to kmikemoo +2
    Thanks Mike, I was aiming for something that people could build for themselves
  • airbornesurfer
    airbornesurfer over 4 years ago +2
    Never heard of Fizz Buzz before, but it sounds like a fun (and educational) diversion! Very cool implementation! Just FYI: The MAX7219 chip works like a treat if you need to drive (up to) 4x14seg displays…
  • Workshopshed
    Workshopshed over 4 years ago in reply to airbornesurfer +2
    Hey Matt, I did find a data sheet on how to drive upto 16 segments using 2 MAX7221 https://playground.arduino.cc/Main/MultiplexMAX72xx/ And I was initially going to take that approach until I discovered…
  • airbornesurfer
    airbornesurfer over 4 years ago in reply to Workshopshed

    Yeah, I ran into that issue too, lol! Renumbering all the pins AND inverting all the polarities? THAT was fun to fix! image

     

    Maybe I should've used a shift register, too....

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  • Workshopshed
    Workshopshed over 4 years ago in reply to airbornesurfer

    Hey Matt, I did find a data sheet on how to drive upto 16 segments using 2 MAX7221

     

    https://playground.arduino.cc/Main/MultiplexMAX72xx/

     

    And I was initially going to take that approach until I discovered by displays were common anode. So that scuppered that idea.

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  • airbornesurfer
    airbornesurfer over 4 years ago

    Never heard of Fizz Buzz before, but it sounds like a fun (and educational) diversion! Very cool implementation!

     

    Just FYI: The MAX7219 chip works like a treat if you need to drive (up to) 4x14seg displays--I used it on the hexadecimal color clock! You just have relabel your pins to match image

     

    Can't wait to try out the Pico myself!

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  • DAB
    DAB over 4 years ago

    Nice project.

     

    I like your detailed software explanation.

     

    DAB

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  • Workshopshed
    Workshopshed over 4 years ago in reply to kmikemoo

    Thanks Mike, I was aiming for something that people could build for themselves

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  • kmikemoo
    kmikemoo over 4 years ago

    Great episode.  I really liked the explanations of the code and what it does.  It was very clear and understandable. imageimage

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