I am working with the adafruit boron and the ultimate adafruit GPS module: [image] Adafruit Ultimate GPS featherwing Give your Feather a sense of place, with an Ultimate GPS FeatherWing. This FeatherWing plugs right into your Feather board and gives it a precise, sensitive, and low powe…

Thank you for the reply, I actually did find out just recently that it does not have I2C. I connected it to Serial1 and it is working! thank for getting back to me

You may want to run an I2C scan to find out whether this address is correct.

great idea. turns out, when i connect that board alone, there are no i2c devices found. time to debug hardware. thank you!!

I had a quick look at the device and it doesn’t appear to have I2C capability. The communication works via RX/TX (UART) - also stated in the Adafruit info you linked to :wink: [image]

Boron + Adafruit Ultimate GPS over I2C

Firmware Libraries

Pescatore April 10, 2023, 3:07pm 6

This tutorial might help: Learn how-to build this cellular asset tracker with a Particle Boron

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Boron + Adafruit Ultimate GPS over I2C

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