#### Description: ESPHome is an add-on for [[Home Assistant]] that makes it easy to integrate low-cost ESP32 boards with [[Mission Control]], allowing you to make nearly any device "smart," control a wide range of [[Actuators]] and record data from a wide range of [[Sensors]]. ESPhome is an [[Open-Source]] software framework for building custom firmware for ESP8266 and ESP32 microcontroller-based devices. It simplifies the process of configuring and deploying firmware for Internet of Things (IoT) projects, particularly those involving home automation. Key features of ESPhome include: 1. **Configuration via YAML:** ESPhome allows users to define device configurations using YAML (YAML Ain't Markup Language), a human-readable data serialization format. This makes it easy to specify device settings, such as Wi-Fi credentials, MQTT (Message Queuing Telemetry Transport) integration, sensors, actuators, and other parameters. 2. **Integration with [[Mission Control]]:** ESPhome is designed to integrate seamlessly with [[Mission Control]], an [[Open-Source]] home automation platform. Users can configure ESPhome devices directly from within the [[Mission Control]] interface and easily control and monitor them alongside other smart devices. 3. **Wide Range of Supported Devices:** ESPhome supports a variety of ESP8266 and ESP32-based development boards, including popular models like the NodeMCU, Wemos D1 Mini, and ESP32 DevKit. It also supports a wide range of sensors, actuators, and other peripherals commonly used in IoT projects. 4. **Over-the-Air (OTA) Updates:** ESPhome supports over-the-air (OTA) firmware updates, allowing users to update device firmware remotely without needing to physically connect to the device. This simplifies the process of deploying updates and ensures that devices can be easily maintained and upgraded. 5. **Customizable and Extensible:** ESPhome provides flexibility for users to customize and extend their firmware configurations as needed. Users can define custom components, write custom code in C++ if necessary, and contribute to the ESPhome project through its [[Open-Source]] community. 6. **Secure:** ESPhome incorporates security features such as encrypted communication protocols (e.g., TLS/SSL) and secure authentication mechanisms to ensure the privacy and integrity of data transmitted between devices and external services. Overall, ESPhome is a powerful tool for building DIY IoT projects, particularly for home automation and smart home applications. Its ease of use, flexibility, and integration with platforms like [[Mission Control]] make it a popular choice among hobbyists, tinkerers, and professional developers alike. #### Details: Like an [[Arduino]] Board, an ESP32 is a tiny computer, or microcontroller, and has the ability to run code, such as the C++ code that Arduino boards use. Due in part to the popularity of Arduino, there is already wide support in C++ for an incredibly wide range of sensors and actuators. [[Mission Control]], by contrast, mostly uses YAML for its codebase and while you can run C++, it requires a very high level of skill. ESPHome acts as a bridge and user interface, making it much easier for you to integrate these sensors and actuators with [[[[Home Assistant]]]], with very little coding. --- ESPhome is an open-source firmware creation system that simplifies the process of configuring and programming ESP8266/ESP32 microcontrollers for home automation. It acts as a bridge between: 1. Simple YAML configuration files (Home Assistant's format) 2. The complex C++ libraries needed to operate various sensors and components 3. The ESP microcontroller compilation and flashing process Here's how it works: 1. You write a YAML file describing your desired configuration 2. ESPhome translates this into appropriate C++ code 3. It automatically handles: - Component initialization - WiFi connectivity - API integration with Home Assistant - Over-the-air updates - Sensor reading and reporting - Complex timing and state management The genius of ESPhome is that it abstracts away the complexity of writing embedded C++ code while still providing full access to the capabilities of the hardware. Here's a comprehensive list of supported components by category: # Sensor Components ## Environmental Sensors - [[esphome/components/aht10|AHT10/AHT20 Temperature+Humidity]] - [[esphome/components/bmp280|BMP280/BME280 Temperature+Pressure]] - [[esphome/components/dht|DHT11/DHT22/AM2302 Temperature+Humidity]] - [[esphome/components/hdc1080|HDC1080 Temperature+Humidity]] - [[esphome/components/sht3xd|SHT3X-D Temperature+Humidity]] - [[esphome/components/bme680|BME680 Temperature+Pressure+Humidity+Gas]] ## Motion & Position Sensors - [[esphome/components/mpu6050|MPU6050 Accelerometer+Gyroscope]] - [[esphome/components/hmc5883l|HMC5883L Magnetometer]] - [[esphome/components/pir|PIR Motion Sensor]] - [[esphome/components/ultrasonic|HC-SR04 Ultrasonic Distance]] - [[esphome/components/vl53l0x|VL53L0X Time-of-Flight Distance]] ## Light & Color Sensors - [[esphome/components/bh1750|BH1750 Ambient Light]] - [[esphome/components/tcs34725|TCS34725 RGB Color]] - [[esphome/components/max44009|MAX44009 Ambient Light]] ## Power & Energy Sensors - [[esphome/components/ade7953|ADE7953 Power Monitoring]] - [[esphome/components/hlw8012|HLW8012 Power Monitoring]] - [[esphome/components/cse7766|CSE7766 Power Monitoring]] - [[esphome/components/ina219|INA219 Current+Voltage]] - [[esphome/components/ina3221|INA3221 Current+Voltage]] # Output Components ## Display - [[esphome/components/ssd1306|SSD1306 OLED Display]] - [[esphome/components/lcd_display|LCD Character Display]] - [[esphome/components/max7219|MAX7219 LED Matrix]] - [[esphome/components/nextion|Nextion Touch Display]] ## Light Control - [[esphome/components/light|Generic LED]] - [[esphome/components/neopixelbus|NeoPixel LED Strip]] - [[esphome/components/fastled|FastLED Strip]] - [[esphome/components/pwm|PWM Output]] ## Switch & Relay - [[esphome/components/gpio|GPIO Switch]] - [[esphome/components/servo|Servo Motor]] - [[esphome/components/output|Binary Output]] - [[esphome/components/relay|Relay]] # Communication Interfaces - [[esphome/components/i2c|I²C Bus]] - [[esphome/components/uart|UART Serial]] - [[esphome/components/spi|SPI Bus]] - [[esphome/components/dallas|Dallas 1-Wire]] # Core Components - [[esphome/components/wifi|WiFi]] - [[esphome/components/api|Native API]] - [[esphome/components/ota|Over-the-Air Updates]] - [[esphome/components/logger|Logging]] - [[esphome/components/time|Time]] - [[esphome/components/deep_sleep|Deep Sleep]] # Input Components - [[esphome/components/binary_sensor|Binary Sensor]] - [[esphome/components/button|Button]] - [[esphome/components/rotary_encoder|Rotary Encoder]] - [[esphome/components/remote_receiver|IR/RF Receiver]] - [[esphome/components/touchscreen|Touch Screen]] Would you like me to elaborate on any particular category or component? #### See Also: [[Home Assistant]] [[Biome Assistant]] [[Flex Grid Feedback System]]