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gpio

groskanel

October 30, 2014 06:16

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hello
remains there any free gpio port once the amp installed?

thank you

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4 comments

• 0
  
  HiFiBerry team October 30, 2014 11:05

  Hi,
  
  only the I2C pins are used. The other GPIOs (except for all the pins on the P5 header) can be used. Note that you should not draw more than a few mA from the 3.3V rail. If you need power, I recommend using the 5V rail.
  
  Best regards
  Daniel
• 0
  
  groskanel October 31, 2014 07:33

  thank's for your answers :)
• 0
  
  Haldi A November 20, 2014 18:11

  Hi,
  
  i have a question. Would it be possible to use the BerryAmp together with a PiScreen ?
  
  Greetings,
  Haldi
• 0
  
  HiFiBerry team November 20, 2014 18:33

  Dear Haldi,
  
  while it might be possible, I would not recommend it for the following reasons:
  - I'm not sure, if the GPIOs work together
  - Power consumption of the board might be another issue
  - To connect both, you have to remove the original header on the HiFiBerry Amp and replace it by a stacking header. There is a chance, that the board gets damaged during this operation.
  - Heat could also be an issue
  
  In general I would recommend doing this only to experienced electronics geek that can look at all the points that I pointed out above (and maybe even more).
  
  Best regards
  Daniel