I am currently doing a Smart Metering device that uses NFC technology to communicate with a mobile phone. This device consists of 3 parts:
- An MSP432P401R launchpad.
- A TRF7970 (tag sensor) device connected to J1 and J2 pin arrays
- A temperature or humidity or both sensor that I still have to buy.
I want to buy a sensor that uses I2C/SPI/UART interfaces from Texas instruments so maybe I can find some API's or at least make it easier to program, but the TRF7970 device uses all these interfaces. My question is if I can connect these devices to the same I2C/SPI/UART interfaces where the TRF7970 is connected. I know that I2C or SPI interfaces can address different slaves, but I want to be sure before buying any sensor.
Also I have some APIs which I use to communicate with the TRF7970. Would I need to change the code from those APIs?