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GPS module like SIM900/800 uses which protocol?(a) UART protocol(b) USART protocol(c) SPI protocol(d) I2C protocolThis question was addressed to me during an online interview.Question is taken from UART Protocol in portion Internet Principles of IOT

Answer»

Right ANSWER is (a) UART protocol

For explanation I WOULD SAY: GSM/GPS modules like SIM900/800 uses UART communication for accepting AT commands that are used to control them and GATHER the replies.



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