This sketch is an example of 2 units of HC-SR04 Ranging Module connected to Arduino Uno ATMega 238. The dual HC-SR04 trigger by the same output pin 2 and echo at pin 3 (PCINT19) and 4 (PCINT20).

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Posted in Arduino Hacks, home hacks, internet hacks Tagged arduino, bluetooth, Elechouse MP3 Shield, HC-06, HC-SR04, Idunio, leonardo, Temboo, trash can ...

HC-SR 04 Ultrasonic sensor is most commonly used to measure distance, but this time I will show you how to measure the speed of movement of an object using this sensor. Device is very simple and ...

Posted in Arduino Hacks, Beer Hacks Tagged arduino nano, beer run?, HC-SR04, oled display, tall boy, ultrasonic ...

In this project, we are going to interface an HC-SR04 Ultrasonic Distance Sensor module with ESP32 and we are going to know every little detail about the HC-SR04 Ultrasonic Sensor module, which is a ...

- Arduino Nano Microcontroller - Small 9g servo motor - and two HC-SR04 Ultrasonic modules At startup, is tested the movement of the servo motor. Immediately after that, the radar starts scanning.

The automation of height-increasing bridges during floating events is a crucial engineering challenge in areas prone to flooding or water surges. It proposes a solution to adjust the bridge height ...