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Basic 20x4 Character LCD - Black on Green 5V


Basic 20x4 Character LCD - Black on Green 5V

0.10 LBS
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Product Description

This is a basic 20 character by 4 line display. Black text on Green background. Utilizes the extremely common HD44780 parallel interface chipset (datasheet). Interface code is freely available. You will need ~11 general I/O pins to interface to this LCD screen.Includes LED backlight.


Works on either 4 bit or 8 bit mode. For Arduino LCD library, Please refer to


Connections to Arduino:



  The circuit:

 * LCD RS pin to digital pin 12

 * LCD Enable pin to digital pin 11

 * LCD D4 pin to digital pin 5

 * LCD D5 pin to digital pin 4

 * LCD D6 pin to digital pin 3

 * LCD D7 pin to digital pin 2

Parallel LCDs run off of +5V so you can just solder the Vcc (pin 2 in LCD)wire to 5V and the ground (pin 1 in LCD) wire to GND.


 * 10K resistor:

 * ends to +5V and ground

 * wiper to LCD VO pin (pin 3)


How to run Arduino examples:



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