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Home Assistant
:house_with_garden: Open source home automation that puts local control and privacy first.
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esphome
ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful configuration files and control them remotely through Home Automation systems.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
I am monitoring the sensors thru MQTT in Home Assistant where I created an automation that triggers a warning to my and my wife's mobile devices when any of the sensors are reporting movement for more than the specified amount of seconds.
I am using an ESP32 board but deploying it with ESPHome. I am using 4 SW-420 vibration sensors, they just report ON/OFF states (those are the ones that need between 30 cm to 1.5mts of cable), and also have a potentiometer to set the sensibility (I set it to max sensibility).