User Manual

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Table Of Contents

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Pin 6 (E): An enable pin that, when low-level energy is supplied, causes the LCD module to

execute relevant instructions

Pin 7 (D0-D7): pins that read and write data

A and K: controlling LCD backlight

LCD1602 has two operation modes: 4-bit and 8-bit. When the IOs of microprocessor (MCU)

are insufficient, you can choose 4-bit mode, under which only pins D4~D7 are used. After

connecting the circuit, you can operate LCD1602 by Raspberry Pi.

Experimental Procedures

Step1: Build the circuit (please be sure the pins are connected correctly. Otherwise,

characters will not be displayed properly):