PCD 8544 Display (Nokia 5110/3310)

Usage

The pcd8544 display platform allows you to use PCD8544 (Adafruit) displays with ESPHome. Connection to this display is made using the 4-Wire SPI bus.

It’s a monochrome LCD display was used in old Nokia 5110/3310 cell phones.

The resolution of the display is 84x48 pixels.

../../_images/pcd8544-full.jpg

PCD8544 Display

Connect CLK, DIN, CS (CE), DC, and RST to pins on your ESP. For power, connect VCC to 3.3V and GND to GND.

# Example configuration entry
spi:
  clk_pin: D5
  mosi_pin: D7

display:
  - platform: pcd8544
    reset_pin: D0
    cs_pin: D8
    dc_pin: D1
    lambda: |-
      it.print(0, 0, id(font), "Hello World!");

Backlight

To use a backlight LIGHT pin needs to be connected to ground. If connected to GPIO pin it can be controlled from EPSHome. See Monochromatic Light.

Configuration variables:

  • reset_pin (Required)(Pin Schema): The RESET pin.

  • cs_pin (Required)(Pin Schema): The CS pin.

  • dc_pin (Required)(Pin Schema): The DC pin.

  • lambda (Optional, lambda): The lambda to use for rendering the content on the display. See Display Rendering Engine for more information.

  • update_interval (Optional, Time): The interval to re-draw the screen. Defaults to 5s.

  • pages (Optional, list): Show pages instead of a single lambda. See Display Pages.

  • id (Optional, ID): Manually specify the ID used for code generation.