displayio_st7565

CircuitPython displayio library for ST7565 and ST7567 controllers, based on the original framebuf implementation.

As a community effort, this library was tested with only one ST7567 display and may be not fully compatible with other hardware.

• Author(s): Mateusz Nowak

Implementation Notes

Hardware:

Software and Dependencies:

• Adafruit CircuitPython firmware for the supported boards: https://circuitpython.org/downloads

displayio_st7565.BIAS_7 = 163

Bias value of 1/7

displayio_st7565.BIAS_9 = 162

Bias value of 1/9

class displayio_st7565.ST7565(*args: Any, **kwargs: Any)

ST7565 and ST7567 display driver

property bias: int

LCD bias value represents voltage applied to the display.

This value can be changed if the displayed image is dark and unreadable even at the minimal contrast setting.

property contrast: int

LCD contrast value, or “electronic volume” according to the datasheet.