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Components¶

Binary Sensor Component
- Base Binary Sensor Configuration
- Binary Sensor Filters
- Binary Sensor Automation
- See Also
Climate Component
- Base Climate Configuration
- Climate Automation
  - climate.control Action
  - lambda calls
- See Also
Cover Component
- Base Cover Configuration
- cover.open Action
- cover.close Action
- cover.stop Action
- cover.control Action
- lambda calls
- See Also
Fan Component
- Base Fan Configuration
- fan.toggle Action
- fan.turn_off Action
- fan.turn_on Action
- Full Fan Index
Light Component
- Base Light Configuration
- Light Effects
- See Also
Output Component
- Base Output Configuration
- Full Output Index
Sensor Component
- Base Sensor Configuration
- Sensor Filters
- Example: Converting Celsius to Fahrenheit
- Sensor Automation
- See Also
Switch Component
- Base Switch Configuration
- See Also
Display Component
- Display Rendering Engine
- Display Pages
- See Also
Text Sensor Component
- Base Text Sensor Configuration
- Text Sensor Automation
  - on_value
- text_sensor.state Condition
  - lambda calls
- See Also
Stepper Component
- Base Stepper Configuration
- A4988 Component
- ULN2003 Component
- stepper.set_target Action
- stepper.report_position Action
- stepper.set_speed Action
- Home Assistant Configuration
- lambda calls
- See Also
Native API Component
- Configuration variables:
- homeassistant.service Action
- User-defined Services
- api.connected Condition
- Advantages over MQTT
- homeassistant.event Action
- homeassistant.tag_scanned Action
- See Also
CAN bus
- Base CAN Bus Configuration
  - on_frame
  - canbus.send Action
- MCP2515 Component
  - Configuration variables:
- Wiring options
- Extended ID
- Binary Sensor Example
- Cover Example
- See Also
Captive Portal
- See Also
Debug Component
- See Also
Deep Sleep Component
- Configuration variables:
- ESP32 Wakeup Pin Mode
- deep_sleep.enter Action
- deep_sleep.prevent Action
- See Also
DF-Player mini
- Overview
- Configuration variables:
- dfplayer.is_playing Condition
- dfplayer.play_next Action
- dfplayer.play_previous Action
- dfplayer.play Action
- dfplayer.play_folder Action
- dfplayer.set_device Action
- dfplayer.set_volume Action
- dfplayer.set_eq Action
- dfplayer.sleep Action
- dfplayer.reset Action
- dfplayer.start Action
- dfplayer.pause Action
- dfplayer.stop Action
- dfplayer.random Action
- All actions
- Test setup
  - Sample code
- See Also
ESP32 Bluetooth Low Energy Beacon
- Configuration variables:
- Setting Up
- See Also
ESP32 Bluetooth Low Energy Tracker Hub
- Configuration variables:
- ESP32 Bluetooth Low Energy Tracker Automation
- See Also
ESP32 Camera Component
- Configuration variables:
- Configuration for Ai-Thinker Camera
- Configuration for M5Stack Camera
- Configuration for Wrover Kit Boards
- Configuration for TTGO T-Camera V05
- Configuration for TTGO T-Camera V162
- Configuration for TTGO T-Camera V17
- Configuration for TTGO T-Journal
- Configuration for TTGO-Camera Plus
- Configuration for TTGO-Camera Mini
- See Also
ESPHome Core Configuration
- Configuration variables:
- arduino_version
- esp8266_restore_from_flash
- on_boot
- on_shutdown
- on_loop
- platformio_options
- includes
- Changing ESPHome Node Name
- Adding the MAC address as a suffix to the device name
- See Also
Ethernet Component
- Configuration variables:
- Configuration for wESP32 board
- Configuration for Olimex ESP32-POE
- Configuration for LILYGO TTGO T-Internet-POE ESP32-WROOM LAN8270A Chip
- Configuration for OpenHacks LAN8720
- Configuration for Wireless Tag WT32-ETH01
- See Also
Exposure Notification Listener
- Configuration variables:
- Indicator of device with exposure notifications
- See Also
GPS Component
- See Also
HTTP Request
- Configuration variables:
- HTTP Request Actions
- on_response Trigger
- Examples
- See Also
I²C Bus
- Configuration variables:
- See Also
Logger Component
- Configuration variables:
- Hardware UARTs
- Log Levels
- Manual Tag-Specific Log Levels
- logger.log Action
- Logger Automation
  - on_message
- See Also
MCP230xx I/O Expander
- MCP23008 Component
  - Configuration variables:
  - Pin configuration variables:
- MCP23016 Component
  - Configuration variables:
  - Pin configuration variables:
- MCP23017 Component
  - Configuration variables:
  - Pin configuration variables:
- See Also
MCP23Sxx I/O Expander
- MCP23S08 Component
  - Configuration variables:
  - Pin Configuration Variables:
- MCP23S17 Component
  - Configuration variables:
  - Pin Configuration Variables:
- See Also
MQTT Client Component
- Configuration variables:
- MQTTMessage
- Using with Home Assistant
- Defaults
- Last Will And Birth Messages
- SSL Fingerprints
- MQTT Component Base Configuration
- on_message Trigger
- on_json_message Trigger
- mqtt.publish Action
- mqtt.publish_json Action
- mqtt.connected Condition
- See Also
OTA Update Component
- Configuration variables:
- Updating the password:
- See Also
PCF8574 I/O Expander
- Configuration variables:
- Pin configuration variables:
  - See Also
Power Supply Component
- Configuration variables:
- ATX Power Supplies
- See Also
Prometheus Component
- Configuration variables:
- See Also
Remote Receiver
- Configuration variables:
- Binary Sensor
  - Configuration variables:
- See Also
Remote Transmitter
- Configuration variables:
- Remote Transmitter Actions
- Setting up Infrared Devices
- Setting Up RF Devices
- See Also
RF Bridge Component
- Configuration variables:
- on_code_received Trigger
- rf_bridge.send_code Action
- rf_bridge.send_raw Action
- rf_bridge.learn Action
- Portisch firmware
- on_advanced_code_received Trigger
- rf_bridge.send_advanced_code Action
- rf_bridge.start_advanced_sniffing Action
- rf_bridge.stop_advanced_sniffing Action
- Getting started with Home Assistant
- See Also
Rtttl Buzzer
- Overview
- Configuration variables:
- rtttl.play Action
- rtttl.stop Action
- All actions
- rtttl.is_playing Condition
- Common beeps
- Test setup
  - Sample code
- See Also
Servo Component
- Configuration variables:
- servo.write Action
- servo.detach Action
- Home Assistant Configuration
- See Also
Sim800L Component
- Configuration variables:
- on_sms_received Trigger
- sim800l.send_sms Action
- sim800l.dial Action
- Getting started with Home Assistant
- See Also
SN74HC595 I/O Expander (shift register)
- Configuration variables:
- Pin configuration variables:
  - See Also
SPI Bus
- Configuration variables:
- See Also
Status LED
- Configuration variables:
- See Also
Sun
- Configuration variables:
- sun Sensor
- sun Text Sensor
- sun.is_above_horizon / sun.is_below_horizon Conditions
- See Also
SX1509 16 channel I/O Expander with LED driver and keypad engine
- Configuration variables:
Binary Sensor
- Configuration variables:
- Pin configuration variables:
- See Also
Time
- Base Time Configuration
- Home Assistant Time Source
- SNTP Time Source
- GPS Time Source
- DS1307 Time Source
- Use In Lambdas
  - strftime
- See Also
TM1651 Battery Display
- Battery Display
  - Configuration variables:
- tm1651.set_level_percent Action
- tm1651.set_level Action
- tm1651.set_brightness Action
- tm1651.turn_off Action
- tm1651.turn_on Action
- Advanced Configuration
- See Also
Tuya MCU
- Configuration variables:
- See Also
UART Bus
- Configuration variables:
- Hardware UARTs
- uart.write Action
- See Also
Web Server Component
- Configuration variables:
- See Also
WiFi Component
- Configuration variables:
- Access Point Mode
- Manual IPs
- Power Save Mode
- Connecting to Multiple Networks
- Enterprise Authentication
- wifi.connected Condition
- See Also

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