Inside [Klaus]’ device is an Arduino Uno, an HC-SR04 ultrasonic distance sensor, and an Adafruit Wave Shield. Originally, this parking/distance sensor used a small TFT to display the distance to ...

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, ...

I’m sure you have at some point played with the HC-SR04 Ultrasonic sensor modules. Shifting to the new waterproof ultrasonic sensor is not a big deal, since it’s pretty easy to modify some example ...

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 ...

Being able to measure ducted airflow cheaply and non-intrusively, like with this ultrasonic ... into a functional sensor. [ItMightBeWorse] is using readily available HC-SR04 sensor boards and ...