They rebuild one of the most iconic components for an electronics tinkering beginner — an ultrasonic distance sensor, and what’s fun is, it stays fully functional after the rebuild!

The SparkFun Qwiic Ultrasonic Distance Sensor, a user-friendly upgrade to the popular HC-SR04 sensor, offers non-contact distance measurement from 2cm to 400cm with an accuracy of 3mm. This sensor is ...

Step 1: The ultrasonic distance sensor has four pins (Echo, Trig, VCC and GND), On the middle section of the breadboard, locate each horizontal section lettered A to J. Take the ultrasonic distance ...

If you have one ultrasonic sensor and a microcontroller, you can detect plenty of useful things, like the water level in a rain barrel or the distance traveled by a tablet along a rail.

Tesla hacker @greentheonly revealed that new code in the latest software brings back distance measurements to cars without ultrasonic sensors via Autopilot ...