DFRobot 128×64 ST7920 Graphic LCD (Serial/Parallel)

The 5V ST7920 128×64 graphic LCD required by Pi LCD Screen, with serial-mode library support.

Description
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Description

This DFRobot 128×64 blue-backlit LCD uses the ST7920 controller and supports serial mode, matching the display required by the Meow Meow Scratch Pi LCD Screen project.

Important compatibility notes

This is an ST7920 display, not an I²C LCD.
Power the LCD from 5V as specified by the merchant and project wiring.
Use serial mode with SID on GPIO2, SCLK on GPIO3, and chip select held at 3.3V exactly as documented by the guide.
Do not connect an unverified 5V logic output to a Raspberry Pi GPIO input; Pi GPIO is not 5V tolerant.

Merchant SKU: FIT0021. The optional 10kΩ contrast potentiometer is separate.