SunFounder LCD2004 Module w/ 3.3V Backlight

Description Dot matrix module Designed to display 20 characters including letters, numbers, and symbols Supports 4-bit and 8-bit data transmission mode Working voltage: 5V / 3.3V backlight Contrast adjustable with a 50K potentiometer The SunFounder LCD2004 Module w/ 3.3V Backlight is a dot matrix module designed to display 20 characters including letters, numbers, and symbols. It supports 4-bit and 8-bit data transmission mode. It’s quite convenient for beginners to call the built-in library Liquid Crystal of Arduino IDE, no need to edit. The module has an adjustable contrast with a 50K potentiometer. To use the 3.3V backlight, just connect pin A to 3.3V, pin K to GND. The LCD2004 also works great with Arduino and other microcontrollers. View more What's Included 1 x LCD2004 16 x Pin Headers Dimensions 97 x 59 x 12 mm Viewing area size: 71 x 21 mm Links PDF File SunFounder LCD2004 Module w/ 3.3V Backlight Wiki Specifications Pins’ Function VSS: Connected to ground VDD: Connected to a +5V power supply VO: To adjust the contrast RS: A register select pin that controls where you are writing data to in the LCD’s memory R/W: A Read/Write pin to select between reading and writing mode E: An enabling pin that, when low-level energy is supplied, causes the LDC module to execute relevant instructions D0-D7: To read and write data A and K: Pins that control the LCD backlight