How many remaining GPIOs does the Internet Button have?

Hardware
1

Hi all,

Does anyone know which and how many GPIOs are available on the Internet Button? A female connector was mentioned in the manual, but I could not find any details. The reason for asking is that I would like to connect a few sensors to this Internet Button. I might have overlooked, but I could not find which IOs are already occupied by the LEDs, push buttons, accelerometer and sound.

Thank you on beforehand for your feedback.

Bart

2

The schematic for the internet button is here. It looks like from that schematic, that D1 and D2 are not used, as well as A0, A1, and A6.

3

Hi Ric,
It seems so. Thanks a lot! This was exactly what I was looking for.

4

Don’t forget that you can reuse the SPI pins A3~A5 for other SPI devices too and you can use RX/TX just like any other GPIO as well.
I’m not sure why this was done, but “wasting” the I2C bus by attaching the buzzer to D0 is a pitty. I’d happily take off the buzzer to get I2C back.

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