GPIO ports and I2C use

[Mark Price]

Hi Everyone,

I am successfully using the DigiPi on a Pi Zero 2 for my university project, and was wondering if there is a list of the GPIO ports that are used or free?  Also,  I need to add some power management solution, possibly a Pi Sugar S; however, this conflicts with I2C.  Does the Digipi build use the I2C interface?  

For information, I have the board connected to a USB GPS and a QRP Labs QDX.  Does anyone know where I can find this information?

Best regards

Mark G7PRW

[Craig]

Hi Mark,

Good questions.

DigiPi uses 12, 16, 26, and monitors buttons on 24 and 25.

i2c is used if you have a gpio audio board (fe-pi, DRA-Zero).  Keep in mind i2c is a bus
so it's shared among devices.

the little GPIO displays use the SPI pins


-craig
KM6LYW

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