Seeed SenseCap Indicator

Drivers

• Processor: ESP32-S3, RP2040
• Touchscreen: ft5x06`
• Display: ST7701S

Seeed Link

GPIO Pinout

SPI (used for display)

Pin	Function
GPIO41	clock
GPIO48	mosi
GPIO4	cs
GPIO18	de
GPIO5	reset
GPIO16	hsync
GPIO17	vsync
GPIO21	pclk
GPIO4, GPIO3, GPIO2, GPIO1, GPIO0	red
GPIO10, GPIO9, GPIO8, GPIO7, GPIO6, GPIO5	green
GPIO15, GPIO14, GPIO13, GPIO12, GPIO11	green

I²C (used for touchscreen)

Pin	Function
GPIO39	i2c SDA
GPIO40	i2c SCL

Backlight

Pin	Function
GPIO45	backlight

Hardware Configuration

# Basic Config
esp32:
  board: esp32-s3-devkitc-1
  variant: esp32s3
  flash_size: 8MB
  framework:
    type: esp-idf
    sdkconfig_options:
      CONFIG_ESPTOOLPY_FLASHSIZE_8MB: y
      CONFIG_ESP32S3_DEFAULT_CPU_FREQ_240: y
      CONFIG_ESP32S3_DATA_CACHE_64KB: y
      CONFIG_SPIRAM_FETCH_INSTRUCTIONS: y
      CONFIG_SPIRAM_RODATA: y

psram:
  mode: octal
  speed: 80MHz

output:
  - platform: ledc
    pin:
      number: GPIO45
      ignore_strapping_warning: true
    id: ledc_gpio45
    frequency: 100Hz

i2c:
  - id: bus_a
    sda: GPIO39
    scl: GPIO40
    scan: false

spi:
  - id: lcd_spi
    clk_pin: GPIO41
    mosi_pin: GPIO48

pca9554:
  - id: pca9554a_device
    address: 0x20
    pin_count: 16

display:
  - platform: st7701s
    id: sensecap_display
    auto_clear_enabled: false
    data_rate: 4MHz
    update_interval: never
    spi_mode: MODE3
    color_order: RGB
    dimensions:
      width: 480
      height: 480
    invert_colors: true
    transform:
      mirror_x: true
      mirror_y: true
    cs_pin:
      pca9554: pca9554a_device
      number: 4
    reset_pin:
      pca9554: pca9554a_device
      number: 5
    de_pin: GPIO18
    hsync_pin: GPIO16
    vsync_pin: GPIO17
    pclk_pin: GPIO21
    init_sequence:
      - 1 # select canned init sequence number 1
      - delay 5ms
      - [0xE0, 0x1F] # Set sunlight readable enhancement
    data_pins:
      red:
        - GPIO4 #r1
        - GPIO3 #r2
        - GPIO2 #r3
        - GPIO1 #r4
        - GPIO0 #r5
      green:
        - GPIO10 #g0
        - GPIO9 #g1
        - GPIO8 #g2
        - GPIO7 #g3
        - GPIO6 #g4
        - GPIO5 #g5
      blue:
        - GPIO15 #b1
        - GPIO14 #b2
        - GPIO13 #b3
        - GPIO12 #b4
        - GPIO11 #b5

light:
  - platform: monochromatic
    name: "Backlight"
    id: backlight
    output: ledc_gpio45
    restore_mode: ALWAYS_ON

touchscreen:
  platform: ft5x06
  id: sensecap_touchscreen
  transform:
    mirror_x: true
    mirror_y: true
  on_release:
    - if:
        condition: lvgl.is_paused
        then:
          - lvgl.resume:
          - lvgl.widget.redraw:
          - light.turn_on: backlight

Example Configuration

# Basic Config
esphome:
  name: seeed-sensecap
  friendly_name: Seeed SenseCAP

<hardware configation from above>

image:
  - file: https://esphome.io/favicon-512x512.png
    id: boot_logo
    resize: 200x200
    type: RGB565
    transparency: alpha_channel

lvgl:
  on_idle:
    timeout: !lambda "return 10000;"
    then:
      - light.turn_off: backlight
      - lvgl.pause:

  top_layer:
    widgets:
      - obj:
          id: boot_screen
          x: 0
          y: 0
          width: 100%
          height: 100%
          bg_color: 0xffffff
          bg_opa: COVER
          radius: 0
          pad_all: 0
          border_width: 0
          widgets:
            - image:
                align: CENTER
                src: boot_logo
                y: -40
            - spinner:
                align: CENTER
                y: 95
                height: 50
                width: 50
                spin_time: 1s
                arc_length: 60deg
                arc_width: 8
                indicator:
                  arc_color: 0x18bcf2
                  arc_width: 8