GPIO number or PIN number?

[Robert]

Re: "Direwolf will exert a voltage on gpio pin 12 for Push-to-talk. It's up to you to use this signal to short your PTT wire to ground with a FET or Radio Interface Device above. If you hookup a green led (with 220ohm resistor inline) to gpio pin 16

it will light up when direwolf detects a carrier. If you hookup a red led (with 220ohm resistor inline) to gpio pin 26 it will light up on transmit. If you hookup a blue led (with 220ohm resistor inline) to gpio pin 5 it

will light up if you connect a bluetooth device like aprsdroid. I used a 3.2K resistor with this blue led"

Are these numbers PIN numbers or GPIO numbers?

If they are GPIO numbers then they are PINs 32, 36, 37, & 29.

If they are PIN numbers then they are GPIO 18, 23, 7, & 3.

Bottom line is-- where do I solder my wires?

Thank you to anyone who can clear this up for me (and everyone else),

Robert AD6XJ

[Craig]

This comes up now and then, and I don't know of a better way to describe it,
other than physical pins and logical pins.

In this case it is the pin that carries the logic signal called GPIO12 which
is the physical pin #32.

I also put all of the pins out from under the screen, so they're all on
the right side of the header, if you ever mix it up,


-craig
KM6LYW

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