While it’s not radar, subbing in ultrasonic sensors is how [Dzl ... rather than just using the digital output of the sensor. An ESP32 and a 24-bit ADC were used to capture the echo signal ...

ESPHome has become one of my favorite tools for managing smart home devices. It gives me the ability to configure, update, ...

Historically, we’ve used IR and ultrasonic sensors but [Makers Mashup] decided to use an ESP32-Cam as a motion sensor in his latest animatronic creation. You can see a video of the device and ...

This one is an unusual smart home project, potentially - how to monitor a fish tank’s health with an AI-enabled ultrasonic sensor system. The detailed project is highlighted on Hackser.io and features ...