GitHub

Arduino communication library for the HC-SR04 ultrasonic sensor.

In the examples the HC-SR04 is used in one wire mode. The library supports one and two wires. Copy the content of the src/hcsr04 folder and place them in your project. The idea behind the library is ...
archive

Speed Measurement Using HC-SR04 Ultrasonic Sensor and Arduino

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GitHub

Designed an obstacle detection system using HC-SR04 sensor + Arduino, with buzzer/LED alerts for objects <10 cm. Tested performance in real-world scenarios, optimizing signal ...

There was an error while loading. Please reload this page. // Clear the trigPin digitalWrite(trigPin, LOW); delayMicroseconds(2); // Set the trigPin HIGH for 10 ...
archive

360° Arduino radar with 2xHC-SR04 sensors

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Hackaday

HC-SR04

The HC-SR04 sonar modules are available for a mere pittance and, with some coaxing, can do a pretty decent job of helping your robot measure the distance to the nearest wall. But when sellers on eBay ...
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 ...
IEEE

Arduino-Driven Elevating Bridge Responsive to Water Level Variations using HC-SR04

Abstract: 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 ...