GPIOs Maximum Voltage - MMS

I would just like to know what is the maximum voltage that can be read from the MMS sensor PINs. In fact, from what is written on the website it always reads 3 V, but when I use it it seems that at most it can read 2.2 V. can anyone help me?


  • can anyone help me? i need to use these cards to acquire analogue data from sensors. It would be useful for me to have this information.

  • @Chiarom

    The MMS sensor operates on 1.8V logic, 1.8V is the maximum input for the ADC and digital GPIOs. If you need to interface a higher voltage, you will want to use a voltage divider to reduce the input voltage.


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