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Tutorial: ST7920 Seeeduino v4.2 / Arduino Sample Sketch Driving a 144x32 Graphic LCD

CF Tech

Administrator
We have published a sample Arduino Sketch that shows how to drive a Sitronix ST7920 based CFAG14432D 144x32 Graphic LCD.

The sketch demonstrates writing text and sample graphics to the ST7920 controlled LCD. With just a few primitive functions, you can create some nice looking displays:


You can download the Arduino ST7920 LCD Demonstration Sketch, unzip it, and it is ready to upload.

We used a Seeeduino v4.2 . . . of course an Arduino Uno would work just as well.

Here is the overall connection: Seeeduino v4.2 + CFAG14432D + 10K pot:



These are the connections to the LCD, in SPI Mode:





Here are the connections to the Seeeduino v4.2 (connections are identical for an Arduino Uno):





Here is video showing the ST7920 sample sketch running:

Looking for additional LCD resources? Check out our LCD blog for the latest developments in LCD technology.
 
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