Using BME280/BMP280 and MQTT on ESP32 to monitor climate
This was made to monitor the weather in my House/Outside, i used a JSON Payload instead of seperated states for every value.
This was made for the ESP32 and it's pretty straightforward to make this run on a ESP8266
I would suggest using VSCode with PlatformIO, even thoughyou can use the ArdunioIDE aswell, if you change the file structure
Depending on your Sensor:
Since you can use both BME280 or BME280, you can specify your sensor in global.h
#define SENSOR_BME280
//#define SENSOR_BMP280This would now expect an BME280 Sensor
That's how you connect the BMx280 to the ESP:
BMx280 <----> ESP32
SDA <-----> GPIO21
SCL <-----> GPIO22Enter your WifI and MQTT Settings in global.h just like this:
// WiFi
#define CONFIG_WIFI_HOST "mqtt-temp-livingroom"
#define CONFIG_WIFI_SSID "yourssid"
#define CONFIG_WIFI_PASS "yoursupersecretpassword"
// MQTT
#define CONFIG_MQTT_HOST "192.168.0.1"
#define CONFIG_MQTT_PORT 1883 // Usually 1883
#define CONFIG_MQTT_USER "hassio"
#define CONFIG_MQTT_PASS "secret123"
#define CONFIG_MQTT_CLIENT_ID "esp_temp_livingroom1" // Must be unique on the MQTT network
#define CONFIG_MQTT_TOPIC_STATE "home/esp_temp_livingroom" That's it, you can upload to the ESP!
- platform: mqtt
name: "Livingroom °C"
state_topic: "home/esp_temp_livingroom1"
value_template: "{{ value_json.temp }}"
unit_of_measurement: "°C"
force_update: true
- platform: mqtt
name: "Livingroom hPa"
state_topic: "home/esp_temp_livingroom1"
value_template: "{{ value_json.pressure }}"
unit_of_measurement: "hPa"
force_update: true
- platform: mqtt
name: "Livingroom Humidity"
state_topic: "home/esp_temp_livingroom1"
value_template: "{{ value_json.humidity }}"
unit_of_measurement: "%"
force_update: true
👤 krjan02
- Github: @krjan02
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