Introduction to Ultrasonic Radar: The functionality of Arduino is truly powerful, allowing for the creation of interesting projects using various sensors. Today, we will develop an ultrasonic radar using the Arduino board and ultrasonic sensor, capable of detecting distances up to 40CM. When there are obstacles, the scanning interface will display red and show the … Read more
Ultrasonic Sensor + Light Alarm /* Ultrasonic Module Distance Measurement http://shop34791330.taobao.com/ // Defy Lai Flagship Store http://qixingchong.tmall.com/ // Qixing Insect Flagship Store http://www.doflye.net // Defy Lai Technology Forum http://www.doflye.net/forum-98-1.html // Defy Lai Forum Arduino Section Ultrasonic Distance Measurement: Trigger Signal Trig: Trigger high level pulse greater than 10us Feedback Signal Echo: The length of the … Read more
Hardware List1. Principle of Ultrasonic Distance Measurement2. Using HCSR04 Ultrasonic Sensor3. Using LCD1602 Liquid Crystal Display1. I2C Communication Protocol on Arduino2. Displaying “Hello World!” on LCD16024. Completing Ultrasonic Distance Measurement5. Conclusion Hardware List 1. Principle of Ultrasonic Distance Measurement The ultrasonic sensor we use is the HCSR04. It has two “eyes” that function the same … Read more
The smart dustbin using Arduino and ultrasonic sensor is an innovative IoT project that simplifies waste management. First, it uses an ultrasonic sensor to detect nearby objects. Then, a servo motor automatically opens and closes the lid. Therefore, this contactless design promotes better hygiene and perfectly fits with the growing trend of modern IoT solutions. … Read more
Ultrasonic Sensor Ultrasonic waves are sound waves that exceed the limits of human hearing, with a vibration frequency above 20 kHz. When working, the ultrasonic sensor converts between voltage and ultrasonic waves. When the ultrasonic sensor emits ultrasonic waves, the probe converts voltage into ultrasonic waves and emits them. When receiving ultrasonic waves, the receiving … Read more
Arduino ULTRASONIC Sensor HC-SR04 Hack for Smart Fans!
Complete Video The ultrasonic sensor is an input module that provides excellent non-contact distance detection, stable performance, ease of use, a small blind spot, and high accuracy. The measuring distance ranges from 2 centimeters to 400 centimeters, and the best part is that it is very inexpensive. It is widely used in the maker community, … Read more
Example Effect Press the serial monitor, and you can see that the measured distance is 9.8cm-10.1cm with an error of about 0.2cm. HC-SR04 An ultrasonic sensor used for distance measurement, widely applied in robotics to avoid obstacles and measure distances. Its module uses Trig to trigger distance measurement, which emits 8 40kHz square waves and … Read more