PiCoolFAN4 User Manual – Pi Modules

PiCoolFAN4 User Manual

Sep 5, 2019PiAdmin8 Comments

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Create Date	September 5, 2019
Last Updated	November 10, 2019

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New version of manual released 1.6 corrected some mistakes, and updated

Comments (8)

Henk Croijmans

November 2, 2019
Reply

Does this block the gpio?
- PiAdmin
  
  November 2, 2019
  Reply
  
  Hi,
  No it is not using any GPIO except of I2C
  - Tom
    
    January 30, 2020
    Reply
    
    It is using the RX and TX pins
    - PiAdmin
      
      January 31, 2020
      Reply
      
      Hi,
      Yes, it is using RX and TX only when uploading new firmware, all other times RX and TX are HiZ so not affecting other HATs
      Kind Regards
      Ioannis
      - Michael
        
        February 4, 2020
        
        I’m having trouble accessing Uputronics GPH-HAT (https://store.uputronics.com/index.php?route=product/product&path=64&product_id=81) via serial when the Fan is attached but outside of firmware updates, of course.
      - PiAdmin
        
        June 22, 2020
        
        Hi,
        I is bug, reported to us by some people. We will correct it on the ongoing firmware update.
        BR Ioannis
Mike

June 22, 2020
Reply

What is the correct polarity for the sounder?
- PiAdmin
  
  June 22, 2020
  Reply
  
  Hi,
  Thank you for your question. There is no polarity on the buzzer.
  Kind Regards
  Ioannis

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