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MultiSensor.cpp
MultiSensor.cpp
 
 
MultiSensor.h
MultiSensor.h
 
 
README.md
README.md
 
 
example.config .h
example.config .h
 
 
ha_mqtt_multisensor.ino
ha_mqtt_multisensor.ino
 
 

README.md

MQTT - MultiSensor - Home Assistant

A full example describing how to monitor your environment with an ESP8266, the MQTT protocol and Home Assistant.

Features

  • Temperature (DHT22, SHT3X)
  • Humidity (DHT22, SHT3X)
  • Luminosity (Photoresistor, TEMT6000)
  • Motion (AM312, RCWL 0516)
  • Door/Window state ON/OFF
  • Button state ON/OFF

Schematic

DHT22 sensor

Temperature and Humidity sensor. Schematic available here.

  • DHT22 leg 1 - VCC
  • DHT22 leg 2 - D2 - Resistor 4.7K Ohms - GND
  • DHT22 leg 4 - GND

SHT3X sensor

Temperature and Humidity sensor.

  • SHT3X VCC - VCC
  • SHT3X GND - GND
  • SHT3X SCL - D2
  • SHT3X SDA - D3

Photoresistor

Luminosity sensor. Schematic available here.

  • Photocell leg 1 - VCC
  • Photocell leg 2 - A0 - Resistor 10K Ohms - GND

TEMT6000

Luminosity sensor.

  • TEMT6000 VCC - VCC
  • TEMT6000 GND - GND
  • TEMT6000 OUT - A0

AM312 sensor

Motion sensor. Schematic available here.

  • PIR leg 1 - VCC
  • PIR leg 2 - D7
  • PIR leg 3 - GND

RCWL 0516 sensor

Motion sensor.

  • RCWL 0516 3v3 - VCC
  • RCWL 0516 GND - GND
  • RCWL 0516 OUT - D7

Magnet

Door/Window state sensor. Schematic available here.

  • Door sensor leg 1 - D3
  • Door sensor leg 2 - GND

Button

Button ON/OFF. Schematic available here.

  • Switch leg 1 - VCC
  • Switch leg 2 - D1 - Resistor 10K Ohms - GND

Schematic

Configuration

To configure this sketch, you have to rename the header file example.config.h in config.h. Then, it is possible to enable/disable sensors in the HARDWARE SECTION or edit your Wi-Fi and MQTT credentials in the SOFTWARE SECTION.

Sensors

// Door sensor
#define DOOR_SENSOR                     D3

// Motion sensor
#define MOTION_SENSOR                      D7

// Photoresistor sensor
#define LDR_SENSOR                      A0

// Temperature and humidity sensor (DHT22)
#define DHT_SENSOR                  D2

// Button
#define BUTTON_SENSOR                   D1

Credentials

// Wi-Fi credentials
#define WIFI_SSID     ""
#define WIFI_PASSWORD ""

// MQTT
#define MQTT_USERNAME     ""
#define MQTT_PASSWORD     ""
#define MQTT_SERVER       ""
#define MQTT_SERVER_PORT  1883

Home Assistant

To add the motion sensor, the door/window state sensor and the button to Home Assistant, please edit and add this snippet into your configuration.

# Example configuration.yaml entry
binary_sensor:
  - platform: mqtt
    name: 'Motion'
    state_topic: '<CHIP_ID>/sensor/motion'
    availability_topic: '<CHIP_ID>/status'
    payload_available: 'online'
    payload_not_available: 'offline'
    device_class: motion
  - platform: mqtt
    name: 'Door'
    state_topic: '<CHIP_ID>/sensor/door'
    availability_topic: '<CHIP_ID>/status'
    payload_available: 'online'
    payload_not_available: 'offline'
    device_class: opening
  - platform: mqtt
    name: 'Button'
    state_topic: '<CHIP_ID>/sensor/button'
    availability_topic: '<CHIP_ID>/status'
    payload_available: 'online'
    payload_not_available: 'offline'

To add the temperature and humidity sensor and the luminosity sensor, please edit and add this snippet into your configuration.

# Example configuration.yml entry
sensor:
  - platform: mqtt
    name: 'Temperature'
    state_topic: '<CHIP_ID>/sensor/temperature'
    unit_of_measurement: '°C'
    availability_topic: '<CHIP_ID>/status'
    payload_available: 'online'
    payload_not_available: 'offline'
  - platform: mqtt
    name: 'Humidity'
    state_topic: '<CHIP_ID>/sensor/humidity'
    unit_of_measurement: '%'
    availability_topic: '<CHIP_ID>/status'
    payload_available: 'online'
    payload_not_available: 'offline'
  - platform: mqtt
    name: 'Luminosity'
    state_topic: '<CHIP_ID>/sensor/lux'
    unit_of_measurement: 'lux'
    availability_topic: '<CHIP_ID>/status'
    payload_available: 'online'
    payload_not_available: 'offline'

Licence

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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