esphome/tests/components/lcd_pcf8574/test.esp32-idf.yaml

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i2c:
- id: i2c_lcd_pcf8574
scl: 16
sda: 17
display:
- platform: lcd_pcf8574
dimensions: 18x4
address: 0x3F
user_characters:
- position: 0
data:
- 0b00000
- 0b01010
- 0b00000
- 0b00100
- 0b00100
- 0b10001
- 0b01110
- 0b00000
lambda: |-
it.print("Hello World!");