esp32_AdafruitLCD

esp32_AdafruitLCD.yaml

esphome:
  name: wt32
  includes:
    - "Adafruit_LiquidCrystal.h" # copy from https://github.com/adafruit/Adafruit_LiquidCrystal/blob/master/Adafruit_LiquidCrystal.h into project folder with yaml
  libraries:
    - "Wire"
    - "SPI"
    - "Adafruit BusIO"
    - "Adafruit MCP23017 Arduino Library"
    - "Adafruit LiquidCrystal"

esp32:
  board: wt32-eth01
  framework:
    type: arduino

# Enable logging
logger:

api:
  password: ""

ota:
  password: ""

ethernet:
  type: LAN8720
  mdc_pin: GPIO23
  mdio_pin: GPIO18
  clk_mode: GPIO0_IN
  phy_addr: 1
  power_pin: GPIO16

text_sensor:
  - platform: template
    name: "test"
    on_value:
      then:
        - lambda: |-
            static auto lcd =  Adafruit_LiquidCrystal(1); // addres 0x20+(1)= 0x21
            if(lcd.begin(16, 2)){
              ESP_LOGI("lcd", "LCD initialized");
            }else{
              ESP_LOGE("lcd", "LCD not found on i2c bus");
            }
            lcd.print("hello, world!");
            lcd.setBacklight(HIGH);