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hi @attila So my setup is I am using a Grove - I2C Thermocouple Amplifier (MCP9600) which takes the thermocouple K as input and gives output as I2C which is then being read using digital ports at ADP3540 Oscilloscope. I have no I2C master. I tried the same setup using Arduino (instead of ADP340) with special designated ports for SCL and SDA, it works and I read the temp.

My SCL/SDA are assigned to the right ports i.e DIO 0/7. I even reduced the rate to 1 Hz and still no change. any clue what i am doing wong

So I am trying to use Grove - I2C Thermocouple Amplifier (MCP9600) to measure temp. I have connected the SCL and SDA to DIO0 and DIO1 of my ADP3540. Also have connected the voltage. I was using waveforms Protocol, when I Custom tab example "Find I2C device" I get no device found. Additionally in Logic it shows value 1 for both SCL and SDA. Very confused with this protocol thing.