Hey guys just got me an Iflight H7 Beast series that I would like to run a bn-880 GPS with the mag but I'm not sure how to resource out pads for the sda scl connections or if it's even possible? not a master but have ten or so builds completed but they all had the magnetometer pads broken out. 

Thanks in advance for your help

if I cant run a mag for GPS I might just return it for something that will run it... I'm soo attached to my setup

First post!!! excited for some help on some of my issues hope I can contribute back

I had a look at the available resources for the IFLIGHT_H743_AIO Betaflight target used by the iFlight Beast H7 and only UART3 outputs can be remapped to an I2C resource. That FC only has a breakout pin for R3 in the DJI connector socket. There is no breakout pin/pad for T3. So unfortunately you are out of luck using a magnetometer on the Beast H7 FC. The same also applies to the Beast F7 for anyone who has one of those. The MCU used is also a BGA type with no exposed pins, so you don't even have the option of soldering direct to MCU outputs. Sorry.

wow thanks that hit the nail on the head