8zQB3

lcd1602-595-adapter

 
Overview

Use 595 to drive LCD1602

  • Supports minimum 3-wire drive, that is, 595 drive lines. When busy signal is required, it is increased to 4-wire driver.
  • LCD1602 operates in 4-bit mode, R/W and RS signals are output by 595 together, and EN signal is multiplexed with RCK of 595.
  • Allow LCD1602 to pull down the DB7 IO line to output the busy signal.
  • The connection with the LCD module uses double rows of 14pin pins, which are suitable for Taobao WD-C1602L module.
  • In addition to the IO line, there are three necessary connection lines: +5V, Gnd, and Vo. The Vo line is connected to a voltage divider for adjusting the LCD contrast.
  • Lead to Q7' of 595 for cascade connection.

LCD module information: http://www.hezkyden.cz/shop/lcd-modul-wintek-wd-c1602l/

The effect of putting them together: IMG20211105105650.jpg

参考设计图片
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Update:2025-06-23 08:45:55

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