add ESP32 example
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#+title: chatgpt
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https://chat.openai.com
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* ESP + BME680 + SSD1306 display
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** Initial prompt
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#+begin_quote
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generate an esphome configuration to send sensor data of BME680 to home-assistant
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#+end_quote
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Response:
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#+begin_src yaml
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esphome:
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name: my_sensor
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platform: ESP32
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# Enable the BME680 sensor
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sensor:
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- platform: bme680
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name: "BME680 Sensor"
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temperature:
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name: "Temperature"
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unit_of_measurement: "°C"
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humidity:
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name: "Humidity"
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unit_of_measurement: "%"
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pressure:
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name: "Pressure"
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unit_of_measurement: "hPa"
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air_quality:
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name: "Air Quality"
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unit_of_measurement: "ppm"
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# Enable MQTT to send the sensor data to Home Assistant
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mqtt:
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broker: YOUR_MQTT_BROKER_ADDRESS
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client_id: my_sensor
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username: YOUR_MQTT_USERNAME
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password: YOUR_MQTT_PASSWORD
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# Configure the sensors to be published to MQTT
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binary_sensor:
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- platform: mqtt
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name: "Temperature"
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state_topic: "my_sensor/sensor/temperature"
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- platform: mqtt
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name: "Humidity"
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state_topic: "my_sensor/sensor/humidity"
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- platform: mqtt
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name: "Pressure"
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state_topic: "my_sensor/sensor/pressure"
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- platform: mqtt
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name: "Air Quality"
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state_topic: "my_sensor/sensor/air_quality"
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#+end_src
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#+begin_quote
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This configuration will enable the BME680 sensor and send the temperature,
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humidity, pressure, and air quality data to Home Assistant via MQTT. You will
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need to replace YOUR_MQTT_BROKER_ADDRESS, YOUR_MQTT_USERNAME, and
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YOUR_MQTT_PASSWORD with your own MQTT broker address, username, and password.
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I hope this helps! Let me know if you have any questions.
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#+end_quote
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** use the specific board
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#+begin_quote
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it is connected on pin 6 of an ESP8266 nodemcu v4
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#+end_quote
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#+begin_src yaml
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# Enable I2C on the ESP8266
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i2c:
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sda: D2
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scl: D1
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# Enable the BME680 sensor
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sensor:
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- platform: bme680
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name: "BME680 Sensor"
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temperature:
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name: "Temperature"
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unit_of_measurement: "°C"
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humidity:
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name: "Humidity"
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unit_of_measurement: "%"
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pressure:
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name: "Pressure"
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unit_of_measurement: "hPa"
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air_quality:
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name: "Air Quality"
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unit_of_measurement: "ppm"
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# Specify the I2C bus and address of the BME680 sensor
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i2c_id: i2c
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address: 0x77
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#+end_src
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** Request to use a display
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#+begin_quote
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I'd also like to display the current sensor values on a SSD1306 with a refresh
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rate of 30seconds
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#+end_quote
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Response:
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#+begin_quote
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To display the current sensor values on a SSD1306 OLED display with a refresh
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rate of 30 seconds, you can use the ssd1306 component in ESPHome and set the
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update interval for the sensor values to 30 seconds.
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Here is an example configuration that will display the temperature, humidity,
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pressure, and air quality values from the BME680 sensor on a SSD1306 OLED
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display with a refresh rate of 30 seconds:
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#+end_quote
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#+begin_src yaml
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esphome:
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name: my_sensor
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platform: ESP8266
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# Enable I2C on the ESP8266
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i2c:
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sda: D2
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scl: D1
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# Enable the BME680 sensor
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sensor:
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- platform: bme680
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name: "BME680 Sensor"
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temperature:
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name: "Temperature"
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unit_of_measurement: "°C"
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update_interval: 30s
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humidity:
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name: "Humidity"
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unit_of_measurement: "%"
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update_interval: 30s
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pressure:
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name: "Pressure"
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unit_of_measurement: "hPa"
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update_interval: 30s
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air_quality:
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name: "Air Quality"
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unit_of_measurement: "ppm"
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update_interval: 30s
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# Specify the I2C bus and address of the BME680 sensor
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i2c_id: i2c
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address: 0x77
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# Enable the SSD1306 OLED display
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display:
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- platform: ssd1306
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name: OLED Display
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reset_pin: D1
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address: 0x3C
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id: display
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# Display the sensor values on the OLED display
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text_sensor:
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- platform: template
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name: "Temperature Display"
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lambda: |-
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return format_string("Temperature: {}°C", id(temperature).state);
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- platform: template
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name: "Humidity Display"
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lambda: |-
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return format_string("Humidity: {}%", id(humidity).state);
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- platform: template
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name: "Pressure Display"
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lambda: |-
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return format_string("Pressure: {}hPa", id(pressure).state);
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- platform: template
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name: "Air Quality Display"
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lambda: |-
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return format_string("Air Quality: {}ppm", id(air_quality).state);
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# Display the sensor values on the OLED display
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display:
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- platform: ssd1306
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display_id: display
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text:
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- id: temperature_display
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x: 0
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y: 0
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- id: humidity_display
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x: 0
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y: 8
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- id: pressure_display
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x: 0
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y: 16
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- id: air_quality_display
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x: 0
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y: 24
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#+end_src
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** Request some tweaks
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#+begin_quote
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the sensor should be named 'airQualityHallway' and humidity should be displayed
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next to temperature, not below it. Also show the date and time on the display
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#+end_quote
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#+begin_src yaml
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esphome:
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name: my_sensor
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platform: ESP8266
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# Enable I2C on the ESP8266
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i2c:
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sda: D2
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scl: D1
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# Enable the BME680 sensor
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sensor:
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- platform: bme680
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name: "airQualityHallway"
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temperature:
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name: "Temperature"
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unit_of_measurement: "°C"
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update_interval: 30s
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humidity:
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name: "Humidity"
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unit_of_measurement: "%"
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update_interval: 30s
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pressure:
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name: "Pressure"
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unit_of_measurement: "hPa"
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update_interval: 30s
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air_quality:
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name: "Air Quality"
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unit_of_measurement: "ppm"
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update_interval: 30s
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# Specify the I2C bus and address of the BME680 sensor
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i2c_id: i2c
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address: 0x77
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# Enable the SSD1306 OLED display
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display:
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- platform: ssd1306
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name: OLED Display
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reset_pin: D1
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address: 0x3C
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id: display
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# Display the sensor values on the OLED display
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text_sensor:
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- platform: template
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name: "Temperature and Humidity Display"
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lambda: |-
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return format_string("Temperature: {}°C Humidity: {}%", id(temperature).state, id(humidity).state);
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- platform: template
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name: "Pressure Display"
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lambda: |-
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return format_string("Pressure: {}hPa", id(pressure).state);
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- platform: template
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name: "Air Quality Display"
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lambda: |-
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return format_string("Air Quality: {}ppm", id(air_quality).state);
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- platform: template
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name: "Date and Time Display"
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lambda: |-
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return now().strftime("%Y-%m-%d %H:%M:%S");
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# Display the sensor values and date/time on the OLED display
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display:
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- platform: ssd1306
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display_id: display
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text:
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- id: temperature_and_humidity_display
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x: 0
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y: 0
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- id: pressure_display
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x: 0
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y: 8
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- id: air_quality_display
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x: 0
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y: 16
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- id: date_and_time_display
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x: 0
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y: 24
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#+end_src
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