LCD1602型LCD显示模块具有体积小，功耗低，显示内容丰富等特点。

LCD1602 LCD display module has the characteristics of small size, low power consumption and rich display content. The 1602 LCD can display 2 lines of 16 characters, has 8-bit data bus D0~D7 and three control ports RS, R/W, EN, working voltage is 5V, and has character contrast adjustment and backlight functions. <br>The following is an introduction to the pins. <br>VSS is the ground power supply; VDD is the positive power supply; V0 is the liquid crystal display bias signal; RS is the data/command selection terminal (H/L); R/W is the read-write selection terminal (H/L) ); E is the enable signal; D0 to D7 are Data I/O; BLA is the positive pole of the backlight, and BLK is the negative pole.

The LCD1602 LCD display module has the characteristics of small size, low power consumption and rich display content. The 1602 LCD can display 2 lines of 16 characters, with 8-bit data bus D0 to D7 and RS, R/W, EN three control ports, operating voltage of 5V, and with character contrast adjustment and backlight function.<br>The following is an introduction to pins<br>VSS is the ground power supply, VDD is the power supply positive, V0 is the liquid crystal display bias signal; RS is the data/command selection side (H/L), R/W is the read/write selection end (H/L), E is the enable signal, D0 to D7 is data I/O, and BLA is the positive backlight, then BLK is negative.

LCD1602型LCD显示模块具有体积小，功耗低，显示内容丰富等特点。1602型LCD可以显示2行16个字符，有8位数据总线D0~D7和RS，R/W，EN三个控制端口，工作电压为5V，并且具有字符对比度调节和背光功能。下面是对引脚的介绍VSS是接地电源；VDD是电源正极；V0是液晶显示偏压信号;RS是数据/命令选择端（H/L）；R/W是读写选择端（H/L）；E是使能信号；D0到D7都是Data I/O；BLA是背光源正极，则BLK是负极。<br>