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lilygo tdisplay s3 ST7789 esphome

Lilygo T-display S3 (ST7789) running ESPHome using patched tft_espi

Contributions

Setup

esphome:
  name: s3
  friendly_name: ESP32-S3 T-Display
  platformio_options:
    board_build.f_flash: 80000000L
    board_build.partitions: default_16MB.csv
    board_build.arduino.memory_type: qio_opi

external_components:
  - source: github://landonr/lilygo-tdisplays3-esphome
    components: [tdisplays3]

esp32:
  board: esp32-s3-devkitc-1
  variant: esp32s3
  framework:
    type: arduino
  flash_size: 16MB

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:
  password: "6ada29f6f41ce1685d29d406efd25fa4"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "S3 Fallback Hotspot"
    password: "zQ9tuPKIfFMu"

time:
  - platform: homeassistant
    id: ha_time

binary_sensor:
  - platform: gpio
    pin: 
      number: GPIO0
      inverted: true
    name: "Button 1"
  - platform: gpio
    pin: 
      number: GPIO14
      inverted: true
    name: "Button 2"

output:
  - platform: ledc
    pin: GPIO38
    id: gpio38
    frequency: 2000

light:
  - platform: monochromatic
    output: gpio38
    name: "Backlight"
    restore_mode: RESTORE_DEFAULT_ON

# You can either setup the backlight as a switch like below or make it dimmable using a light output like above
# switch:
#   - platform: gpio
#     pin: GPIO38
#     name: "Backlight"
#     id: backlight
#     internal: true
#     restore_mode: RESTORE_DEFAULT_ON

font:
  - file: "gfonts://Roboto"
    id: roboto
    size: 30

display:
  - platform: tdisplays3
    id: disp
    update_interval: 1s
    rotation: 270
    lambda: |-
      it.printf(20, 70, id(roboto), Color(255, 0, 0), id(ha_time).now().strftime("%Y-%m-%d %H:%M:%S").c_str());

Installation

You will first need to do a manual installation by putting the example.yaml file into your esphome folder then using the modern format in ESPHome to get a local copy of the firmware and finally use https://web.esphome.io/ to install over USB.

Method

Download a copy of this code and place the tdisplays3 folder in your esphome folder. Also place the example.yaml and secrets.yaml into the esphome folder, ensuring to change the example.yaml api and secrets.yaml details to your own credentials.

From your ESPHome dashboard, create a local copy of the s3 firmware by clicking the three dots > Install > Manual Download > Modern Format

To set the board into flash mode, hold the button on the left of the USB port while plugging in the USB cable that is connected to your desktop machine.

Navigate to https://web.esphome.io/ in a compatible browser (Chrome, Edge etc.) and click "Connect". Select the corresponding COM Port and click connect again.

When the board has connected, click "install" and select the firmware that you have created, this will erase the board and write the new firmware.

When the firmware has been written to the board you will need to unplug and reconnect the USB cable.

After that you can upload firmwares using WIFI without repeating this process