In the following circuit what is the purpose of using 74HC595 shift register? (tick all that apply, incorrect answers lower mark)

Question

In the following circuit what is the purpose of using 74HC595 shift register? (tick all that apply, incorrect answers lower mark)

Answer

It allows the STM32 Nucleo board to send serial data using only 3 pins and converts it into 8 parallel outputs for the LCD.

Answer

It ensure along with potentiometer the stable working of LCD.

Answer

It allows an interface between Temperature Sensor, STM32 Nucleo Board, and LCD hence completing the embedded system design chain.

Answer

It is essential to use a shift register with an LCD otherwise the LCD will not work properly.

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