EDN

An Ultrasonic Shortcut – Getting the HC-SR04 Transducer Up and Running Fast!

The HC-SR04 ultrasonic range sensor is a pretty cool pre-wired module that you actually enjoy using when you start playing with electronics, microcontrollers, and robotics. As you might have noticed, ...
Hackaday

HC-SR04 Isn’t The Same As Parallax PING))) But It Can Pretend To Be!

He wanted to use the less expensive HC-SR04 ultrasonic rangefinder in a prototype. Longer term he wanted to have the choice of either a Parallax PING or MaxBotix ultrasonic sensor for their better ...
Hackaday

Good Vibrations: Giving The HC-SR04 A Brain Transplant

[Emil] got his hands on a dozen HC-SR04 ultrasonic sensors, but wasn’t too happy with their performance. Rather than give up, he reverse engineered the sensor and built an improved version. Hackers, ...
Geeky Gadgets

HC-SR04 ultrasonic sonar distance sensor arrives at Adafruit

Makers, developers and enthusiasts building distance related projects may be interested to know that the HC-SR04 ultrasonic sonar distance sensor is now available to purchase directly from the ...
EDN

Waterproof Ultrasonic Sensor

This post is a review of the popular waterproof ultrasonic sensor JSN-SR04T. I hope this will serve as a backdrop for some interesting ultrasonic distance sensor experiments and projects. A number of ...