Generic ESP32-CAM

GPIO Pinout

Pin	Function
GPIO0	External Clock
GPIO26	i2c Pins
GPIO27	i2c Pins
GPIO05	Data Pins
GPIO18	Data Pins
GPIO19	Data Pins
GPIO21	Data Pins
GPIO36	Data Pins
GPIO39	Data Pins
GPIO34	Data Pins
GPIO35	Data Pins
GPIO25	Vsync Pin
GPIO23	Href Pin
GPIO22	Pixel Clock Pin
GPIO32	Power Down Pin
GPIO4	Camera Light

Basic Configuration

# Basic Config
# https://www.banggood.com/Geekcreit-ESP32-CAM-WiFi-bluetooth-Camera-Module-Development-Board-ESP32-With-Camera-Module-OV2640-p-1394679.html
esphome:
  name: esp_cam02

esp32:
  board: esp32dev

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

logger:
  #level: INFO
api:
  encryption:
    key: !secret api_encryption_key

ota:
  password: "ota_password"

esp32_camera:
  external_clock:
    pin: GPIO0
    frequency: 20MHz
  i2c_pins:
    sda: GPIO26
    scl: GPIO27
  data_pins: [GPIO5, GPIO18, GPIO19, GPIO21, GPIO36, GPIO39, GPIO34, GPIO35]

  # the order of the data_pins is significant, don't mix up the order

  vsync_pin: GPIO25
  href_pin: GPIO23
  pixel_clock_pin: GPIO22
  power_down_pin: GPIO32
  resolution: 800x600
  name: esp_cam02
  idle_framerate: 0.1fps

output:
  - platform: ledc
    pin: GPIO4
    channel: 2 # channel 1 is used for esp32_camera
    id: led
light:
  - platform: monochromatic
    output: led
    name: espcam_02 light