This ESP8266 device is intended as an implementation example of YAHNC lib

THUMBL-P

Temperature HUmidity Motion Buzzer Light - Pressure

THUMBL-P is a device with the following sensors and actuators:

• SwitchNode aka Led
• BME280Node aka Temperature, Humidity and Pressure
• BinarySensorNode aka Motion or Pir
• ButtonNode aka Button for user input
• GL5528Node extend AdcNode aka photoresistor for luminosity
• Buzzer, implemented in the Homie "classic way" HomieNode

All the sensor are published on MQTT topic and will be updated following the given RetentionVar policies (eg. 0.8 lux absolute variation). Buzzer can playback rtttl format melodies. These can be preset or sent in a json payload through /play topic, eg:

• Raw text for preset melodies tetris

• Json for preset or custom melodies, enriched with number of repetition and ms gap:

  {
    "preset": "siren",
    "loop-count": 3,
    "loop-gap": 1000
  }

  {
    "rtttl": "The Simpsons:d=4,o=5,b=160:c.6,e6,f#6,8a6,g.6,e6,c6,8a,8f#,8f#,8f#,2g,8p,8p,8f#,8f#,8f#,8g,a#.,8c6,8c6,8c6,c6",
    "loop-count": 2,
    "loop-gap": 2000
  }

It can work also without a connection: switch on led on motion detected (pir) during night (photoresistor).

The led light timeout and lux treshold can be set by HomieSetting: lightOnMotionTimeout, lightOnMotionMaxLux

Getting Started

Compile and upload with PlatformIO:

pio run --target upload

Notes

It should be taken as example to explain the YAHNC (Yet Another Homie Node Collection) libs. So mainly to compare a classic HomieNode implementation (eg Buzzer) with the other Nodes (eg BME280Node)

Circuit

You can acces and modify the shared open source schematic by easyeda.com.