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Finger print sensor uses which interface?(a) USART protocol(b) UART protocol(c) SPI protocol(d) I2C protocolThe question was asked in an online interview.This key question is from UART Protocol topic in portion Internet Principles of IOT

Answer»

Right option is (b) UART protocol

The best explanation: PROJECTS that USE RFID modules can be BUILT with modules that have a UART interface. This even applies to some FINGER PRINT sensors.



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