TM75 temp sensor

[mikelu53]

I have built two of Scott Hanson PB_1 boards, I was attempting to add a TM75 I2C sensor. I have noticed when I do a i2cdetect in the shell under FPP, both the temp sensor and the PCF8523 RTC do no show up, I was expecting to see 0x68 for the RTC and 0x48 for the temp sensor.
I have tested the temp sensor on a Arduino UNO, and it worked fine.
I am not a Linux guy, have worked with other OS.
Any hints, clue
(Pocketbeagle board)

I did the same check of my Kulp board and it was as expected. So when I ran the above testing I didn't have the LCD display in, with the display in things got a bit better. It it still no right yet, still looking

Thanks