Connecting hardware to the Thingy91

[JohnStaveley]

For my Thingy91 project I need to hook into a variety of hardware interfaces including I2C. I am struggling to relate the pins https://infocenter.nordicsemi.com/topic/ug_thingy91/UG/thingy91/hw_description/pin_maps.html to what I see on the board. e.g. on the board it says things like P1, P2, 1D, 2D, P6 etc How are they related?

There appears to be a bit more information here: https://infocenter.nordicsemi.com/topic/ug_thingy91/UG/thingy91/hw_description/hw_interface.html

But nothing comprehensive and the numbering system in the pinout is completely different from the board. Where can I find this information and specifically how can I connect to I2C?

[Kazi Afroza Sultana]

Hello,

The pins externally available are labeled in the pin map you linked. You can see some pins are labeled as ''Digital GPIO externally available'' which you can use to connect extra connectors on the thingy 91. P7 is connected to some spare MOSFETs on the thingy 91, while P6 are the externally available GPIO pins. Here you can see which GPIO pins of the nRF52840 is connected to P6.

 Thanks.

Best Regards,

Kazi Afroza Sultana