Ever want to create an automation around someone sitting on a chair or laying in bed? Using an ESP8266, load cells, an MQTT broker and Home Assistant you can create a DIY weight sensor attached to your bed to form a smart bed! This that will allow you to detect these events and trigger automations.
While you could use this to accurately measure the weight of something, I’m focused on detecting presence on a piece of furniture. You can use this data to create automations based on where people are currently located in your home.
Some hardware you’ll need: