ST25R3911B VDD power

[khoi nguyen]

Posted on August 24, 2017 at 03:23

The ST25R3911B-disco board used 5V VDD.

Can you use 3.3V for VDD, is there any drawback for using 3.3V?

#st25r3911b-vdd

[Ulysses HERNIOSUS · Accepted solution]

Posted on December 14, 2017 at 15:37

Hi Khoi,

less supply voltage -> less output power -> less read range.

Regards, Ulrich