DHT22-Hassio

Description: Simple program to publish temperature, humidity and heat index to home assistant (HASSIO) Uses an ESP32 and DHT22 as components and MQTT / JSON for integration

Author: Remco van Santen

License: Public

Hassio configuration.yaml snippet: sensor:

• platform: mqtt name: "Office Temperature" unique_id: "OfficeTemp_1" state_topic: esp32/office unit_of_measurement: "°C" value_template: "{{ value_json.OfficeTemperature }}"
• platform: mqtt name: "Office Humidity" unique_id: "Officehum_1" state_topic: esp32/office unit_of_measurement: "%" value_template: "{{ value_json.Officehumidity }}"
• platform: mqtt name: "Office HeatIndex" unique_id: "OfficeHic_1" state_topic: esp32/office unit_of_measurement: "°C" value_template: "{{ value_json.OfficeheatIndex }}"

---

arduino_secrets.h contents: #define SECRET_SSID "your_ssid" #define SECRET_PASS "yourwifipassword" const char* secret_mqtt_username = "hassio_mqtt_user"; const char* secret_mqtt_password = "hassio_mqtt_password";