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 module (sensor/control electronics ... module into an Arduino Prototyping Shield for a quick/lazy evaluation using an Arduino Uno. If you have played with ultrasonic distance measurement projects, ...

With a standard old HC-SR04 ultrasonic sensor, an audio module and a ... like for anyone who has a bunch of these little Arduino-compatible modules lying around and has probably made something ...

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, ...