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esphome-docs/components/esp32_camera.rst
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Esp32cam full control (#1836)
2022-01-25 11:54:00 +13:00

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ESP32 Camera Component
======================
.. seo::
:description: Instructions for setting up the ESP32 Cameras in ESPHome
:image: camera.svg
The ``esp32_camera`` component allows you to use ESP32-based camera boards in ESPHome that
directly integrate into Home Assistant through the native API.
.. code-block:: yaml
# Example configuration entry
esp32_camera:
name: My Camera
external_clock:
pin: GPIO27
frequency: 20MHz
i2c_pins:
sda: GPIO25
scl: GPIO23
data_pins: [GPIO17, GPIO35, GPIO34, GPIO5, GPIO39, GPIO18, GPIO36, GPIO19]
vsync_pin: GPIO22
href_pin: GPIO26
pixel_clock_pin: GPIO21
reset_pin: GPIO15
resolution: 640x480
jpeg_quality: 10
Configuration variables:
------------------------
- **name** (**Required**, string): The name of the camera.
- **icon** (*Optional*, icon): Manually set the icon to use for the camera in the frontend.
- **internal** (*Optional*, boolean): Mark this component as internal. Internal components will
not be exposed to the frontend (like Home Assistant). Only specifying an ``id`` without
a ``name`` will implicitly set this to true.
- **disabled_by_default** (*Optional*, boolean): If true, then this entity should not be added to any client's frontend,
(usually Home Assistant) without the user manually enabling it (via the Home Assistant UI).
Requires Home Assistant 2021.9 or newer. Defaults to ``false``.
- **entity_category** (*Optional*, string): The category of the entity.
See https://developers.home-assistant.io/docs/core/entity/#generic-properties
for a list of available options. Requires Home Assistant 2021.11 or newer.
Set to ``""`` to remove the default entity category.
Connection Options:
- **data_pins** (**Required**, list of pins): The data lanes of the camera, this must be a list
of 8 GPIO pins.
- **vsync_pin** (**Required**, pin): The pin the VSYNC line of the camera is connected to.
- **href_pin** (**Required**, pin): The pin the HREF line of the camera is connected to.
- **pixel_clock_pin** (**Required**, pin): The pin the pixel clock line of the camera is connected to.
- **external_clock** (**Required**): The configuration of the external clock to drive the camera.
- **pin** (**Required**, pin): The pin the external clock line is connected to.
- **frequency** (*Optional*, float): The frequency of the external clock, must be either 20MHz
or 10MHz. Defaults to ``20MHz``.
- **i2c_pins** (**Required**): The I²C control pins of the camera.
- **sda** (**Required**, pin): The SDA pin of the I²C interface. Also called ``SIOD``.
- **scl** (**Required**, pin): The SCL pin of the I²C interface. Also called ``SIOC``.
- **reset_pin** (*Optional*, pin): The ESP pin the reset pin of the camera is connected to.
If set, this will reset the camera before the ESP boots.
- **power_down_pin** (*Optional*, pin): The ESP pin to power down the camera.
If set, this will power down the camera while it is inactive.
- **test_pattern** (*Optional*, boolean): When enabled, the camera will show a test pattern
that can be used to debug connection issues.
Frame Settings:
- **max_framerate** (*Optional*, float): The maximum framerate the camera will generate images at.
Up to 60Hz is possible (with reduced frame sizes), but beware of overheating. Defaults to ``10 fps``.
- **idle_framerate** (*Optional*, float): The framerate to capture images at when no client
is requesting a full stream. Defaults to ``0.1 fps``.
Image Settings:
- **resolution** (*Optional*, enum): The resolution the camera will capture images at. Higher
resolutions require more memory, if there's not enough memory you will see an error during startup.
- ``160x120`` (QQVGA)
- ``176x144`` (QCIF)
- ``240x176`` (HQVGA)
- ``320x240`` (QVGA)
- ``400x296`` (CIF)
- ``640x480`` (VGA, default)
- ``800x600`` (SVGA)
- ``1024x768`` (XGA)
- ``1280x1024`` (SXGA)
- ``1600x1200`` (UXGA)
- **jpeg_quality** (*Optional*, int): The JPEG quality that the camera should encode images with.
From 10 (best) to 63 (worst). Defaults to ``10``.
- **vertical_flip** (*Optional*, boolean): Whether to flip the image vertically. Defaults to ``true``.
- **horizontal_mirror** (*Optional*, boolean): Whether to mirror the image horizontally. Defaults to ``true``.
- **contrast** (*Optional*, int): The contrast to apply to the picture, from -2 to 2. Defaults to ``0``.
- **brightness** (*Optional*, int): The brightness to apply to the picture, from -2 to 2. Defaults to ``0``.
- **saturation** (*Optional*, int): The saturation to apply to the picture, from -2 to 2. Defaults to ``0``.
- **special_effect** (*Optional*, enum): The effect to apply to the picture. Defaults to ``none`` (picture without effect).
- ``none``: Picture without effect
- ``negative``: Colors of picture are inverted
- ``grayscale``: Only luminance of picture is kept
- ``red_tint``: Picture appear red-tinted
- ``green_tint``: Picture appear green-tinted
- ``blue_tint``: Picture appear blue-tinted
- ``sepia``: Sepia effect is applied to picture
Exposure Settings:
- **aec_mode** (*Optional*, enum): The mode of exposure module. Defaults to ``auto`` (leave camera to automatically adjust exposure).
- ``manual``: Exposure can be manually set, with **aec_value** parameter. **ae_level** has no effect here
- ``auto``: Camera manage exposure automatically. Compensation can be applied, thanks to **ae_level** parameter. **aec_value** has no effect here
- **aec2** (*Optional*, boolean): Whether to enable Auto Exposure Control 2. Seems to change computation method of automatic exposure. Defaults to ``false``.
- **ae_level** (*Optional*, int): The auto exposure level to apply to the picture (when **aec_mode** is set to ``auto``), from -2 to 2. Defaults to ``0``.
- **aec_value** (*Optional*, int): The Exposure value to apply to the picture (when **aec_mode** is set to ``manual``), from 0 to 1200. Defaults to ``300``.
Sensor Gain Settings:
- **agc_mode** (*Optional*, enum): The mode of gain control module. Defaults to ``auto`` (leave camera to automatically adjust sensor gain).
- ``manual``: Gain can be manually set, with **agc_value** parameter. **agc_gain_ceiling** has no effect here
- ``auto``: Camera manage sensor gain automatically. Maximum gain can be defined, thanks to **agc_gain_ceiling** parameter. **agc_value** has no effect here
- **agc_value** (*Optional*, int): The gain value to apply to the picture (when **aec_mode** is set to ``manual``), from 0 to 30. Defaults to ``0``.
- **agc_gain_ceiling** (*Optional*, enum): The maximum gain allowed, when **agc_mode** is set to ``auto``. This parameter seems act as "ISO" setting. Defaults to ``2x``.
- ``2x``: Camera is less sensitive, picture is clean (without visible noise)
- ``4x``
- ``8x``
- ``16x``
- ``32x``
- ``64x``
- ``128x``: Camera is more sensitive, but picture contain lot of noise
White Balance Setting:
- **wb_mode** (*Optional*, enum): The mode of white balace module. Defaults to ``auto``.
- ``auto``: Camera choose best white balance setting
- ``sunny``: White balance sunny mode
- ``cloudy``: White balance cloudy mode
- ``office``: White balance office mode
- ``home``: White balance home mode
Test Setting:
- **test_pattern** (*Optional*, boolean): For tests purposes, it's possible to replace picture get from sensor by a test color pattern. Defaults to ``false``.
.. note::
Camera uses PWM timer #1. If you need PWM (via the ``ledc`` platform) you need to manually specify
a channel there (with the ``channel: 2`` parameter)
Configuration for Ai-Thinker Camera
-----------------------------------
.. code-block:: yaml
# Example configuration entry
esp32_camera:
external_clock:
pin: GPIO0
frequency: 20MHz
i2c_pins:
sda: GPIO26
scl: GPIO27
data_pins: [GPIO5, GPIO18, GPIO19, GPIO21, GPIO36, GPIO39, GPIO34, GPIO35]
vsync_pin: GPIO25
href_pin: GPIO23
pixel_clock_pin: GPIO22
power_down_pin: GPIO32
# Image settings
name: My Camera
# ...
Configuration for M5Stack Camera
--------------------------------
.. warning::
This camera board has insufficient cooling and will overheat over time,
ESPHome does only activate the camera when Home Assistant requests an image, but
the camera unit can still heat up considerably for some boards.
If the camera is not recognized after a reboot and the unit feels warm, try waiting for
it to cool down and check again - if that still doesn't work try enabling the test pattern.
.. code-block:: yaml
# Example configuration entry
esp32_camera:
external_clock:
pin: GPIO27
frequency: 20MHz
i2c_pins:
sda: GPIO25
scl: GPIO23
data_pins: [GPIO17, GPIO35, GPIO34, GPIO5, GPIO39, GPIO18, GPIO36, GPIO19]
vsync_pin: GPIO22
href_pin: GPIO26
pixel_clock_pin: GPIO21
reset_pin: GPIO15
# Image settings
name: My Camera
# ...
Configuration for M5Stack Timer Camera X/F
------------------------------------------
.. code-block:: yaml
# Example configuration entry
esp32_camera:
external_clock:
pin: GPIO27
frequency: 20MHz
i2c_pins:
sda: GPIO25
scl: GPIO23
data_pins: [GPIO32, GPIO35, GPIO34, GPIO5, GPIO39, GPIO18, GPIO36, GPIO19]
vsync_pin: GPIO22
href_pin: GPIO26
pixel_clock_pin: GPIO21
reset_pin: GPIO15
# Image settings
name: My Camera
# ...
Configuration for Wrover Kit Boards
-----------------------------------
.. code-block:: yaml
# Example configuration entry
esp32_camera:
external_clock:
pin: GPIO21
frequency: 20MHz
i2c_pins:
sda: GPIO26
scl: GPIO27
data_pins: [GPIO4, GPIO5, GPIO18, GPIO19, GPIO36, GPIO39, GPIO34, GPIO35]
vsync_pin: GPIO25
href_pin: GPIO23
pixel_clock_pin: GPIO22
# Image settings
name: My Camera
# ...
Configuration for TTGO T-Camera V05
-----------------------------------
.. code-block:: yaml
# Example configuration entry
esp32_camera:
external_clock:
pin: GPIO32
frequency: 20MHz
i2c_pins:
sda: GPIO13
scl: GPIO12
data_pins: [GPIO5, GPIO14, GPIO4, GPIO15, GPIO18, GPIO23, GPIO36, GPIO39]
vsync_pin: GPIO27
href_pin: GPIO25
pixel_clock_pin: GPIO19
power_down_pin: GPIO26
# Image settings
name: My Camera
# ...
Configuration for TTGO T-Camera V162
------------------------------------
.. code-block:: yaml
esp32_camera:
external_clock:
pin: GPIO4
frequency: 20MHz
i2c_pins:
sda: GPIO18
scl: GPIO23
data_pins: [GPIO34, GPIO13, GPIO14, GPIO35, GPIO39, GPIO38, GPIO37, GPIO36]
vsync_pin: GPIO5
href_pin: GPIO27
pixel_clock_pin: GPIO25
jpeg_quality: 10
vertical_flip: true
horizontal_mirror: false
# Image settings
name: My Camera
# ...
Configuration for TTGO T-Camera V17
-----------------------------------
.. code-block:: yaml
# Example configuration entry
esp32_camera:
external_clock:
pin: GPIO32
frequency: 20MHz
i2c_pins:
sda: GPIO13
scl: GPIO12
data_pins: [GPIO5, GPIO14, GPIO4, GPIO15, GPIO18, GPIO23, GPIO36, GPIO39]
vsync_pin: GPIO27
href_pin: GPIO25
pixel_clock_pin: GPIO19
# power_down_pin: GPIO26
vertical_flip: true
horizontal_mirror: true
# Image settings
name: My Camera
# ...
Configuration for TTGO T-Journal
--------------------------------
.. code-block:: yaml
# Example configuration entry
esp32_camera:
external_clock:
pin: GPIO27
frequency: 20MHz
i2c_pins:
sda: GPIO25
scl: GPIO23
data_pins: [GPIO17, GPIO35, GPIO34, GPIO5, GPIO39, GPIO18, GPIO36, GPIO19]
vsync_pin: GPIO22
href_pin: GPIO26
pixel_clock_pin: GPIO21
# Image settings
name: My Camera
# ...
Configuration for TTGO-Camera Plus
----------------------------------
.. code-block:: yaml
# Example configuration entry
esp32_camera:
external_clock:
pin: GPIO4
frequency: 20MHz
i2c_pins:
sda: GPIO18
scl: GPIO23
data_pins: [GPIO34, GPIO13, GPIO26, GPIO35, GPIO39, GPIO38, GPIO37, GPIO36]
vsync_pin: GPIO5
href_pin: GPIO27
pixel_clock_pin: GPIO25
vertical_flip: false
horizontal_mirror: false
# Image settings
name: My Camera
# ...
Configuration for TTGO-Camera Mini
----------------------------------
.. code-block:: yaml
# Example configuration entry
esp32_camera:
external_clock:
pin: GPIO32
frequency: 20MHz
i2c_pins:
sda: GPIO13
scl: GPIO12
data_pins: [GPIO5, GPIO14, GPIO4, GPIO15, GPIO37, GPIO38, GPIO36, GPIO39]
vsync_pin: GPIO27
href_pin: GPIO25
pixel_clock_pin: GPIO19
# Image settings
name: My Camera
# ...
Configuration for ESP-EYE
----------------------------------
.. code-block:: yaml
# Example configuration entry
esp32_camera:
external_clock:
pin: GPIO4
frequency: 20MHz
i2c_pins:
sda: GPIO18
scl: GPIO23
data_pins: [GPIO34, GPIO13, GPIO14, GPIO35, GPIO39, GPIO38, GPIO37, GPIO36]
vsync_pin: GPIO5
href_pin: GPIO27
pixel_clock_pin: GPIO25
# Image settings
name: My Camera
# ...
See Also
--------
- :apiref:`esp32_camera/esp32_camera.h`
- :ghedit:`Edit`
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