With a standard old HC-SR04 ultrasonic sensor, an audio module and a servo to drive a custom gauge needle he’s made a device which can warn people around you if they’re too close for comfort.

Connect the ESP32 to a Wi-Fi network by providing the network SSID and password in the code. Ultrasonic Sensor Code: Write the code to initialize the ultrasonic sensor and measure the distance. Use ...

The sensor is placed at the top of the water tank. It sends out an ultrasonic pulse and measures the time taken for the echo to return from the water surface. The code then calculates the distance ...

22 thoughts on “ Ultrasonic Sensor Helps You Enforce Social Distancing ” RW ver 0.0.1 says: April 9, 2020 at 8:50 am I favor a ... So, I submitted code that would ...

The latter application pushed Tesla to develop new sensors, or new ways to hide the sensors, because CEO Elon Musk didn’t like the idea of a visible sensor in the middle of a door.