Now let us move on to some significant points to consider while using the 2Y0A21 general purpose type distance measuring sensor. Due to the trigonometry ... true adapter circuit diagram below. A ...

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 ...

Shifting to the new waterproof ultrasonic sensor is not a big deal, since it’s pretty easy to modify some example codes to use it. The quick road test, oh it’s a simple approach to display the ...

In his write-up, [Mike] started by listing all the different sensors he had considered to measure the ... see in the picture above using PVC parts. Enclosed are the ultrasonic sensor, a ...