Distance Measurement

Step-by-Step Guide to Implementing Accurate Distance Measurement and Obstacle Avoidance with Arduino UNO and Ultrasonic Sensor

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Step-by-Step Guide to Implementing Accurate Distance Measurement and Obstacle Avoidance with Arduino UNO and Ultrasonic Sensor

Step-by-Step Guide to Implementing Accurate Distance Measurement and Obstacle Avoidance with Arduino UNO and Ultrasonic Sensor Only need 1 ultrasonic sensor + Arduino UNO, learn to measure object distance or achieve intelligent obstacle avoidance in 3 steps! From basic principles to complete code, even beginners can easily master it! 1. Project Highlights ✅ Low Cost: … Read more

HC-12 Communication Module Transmission Distance

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HC-12 Communication Module Transmission Distance

01 HC-12 Communication Module 1. Introduction   These are two HC-12 wireless communication modules just assembled. The LED can display the number of bytes received. Now let’s go outside to the square to check the communication distance. Its communication baud rate is 9600, let’s see what the corresponding communication distance is in this case. 2. Measurement … Read more

Arduino Fun Projects – Measuring Heart Rate with a Pulse Sensor

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Arduino Fun Projects - Measuring Heart Rate with a Pulse Sensor

In this article, we will introduce a method to calculate heart rate using the analog signal output from a pulse sensor. This method has been tested and the resulting heart rate values are quite accurate, with high measurement efficiency. First, let’s introduce the pulse sensor used in this article. This sensor measures the intensity of … Read more

Accurate Measurement of 200 Sheets of Paper: A Comprehensive Analysis

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Accurate Measurement of 200 Sheets of Paper: A Comprehensive Analysis

Here is another group sharing for Problem F:Re-testing the first place of this group! We are the team from Hunan Normal University (Major: Applied Electronic Technology), and we won the national first prize for Problem F in the 2019 Electric Competition. We measured 135 sheets and are very happy to be invited by Darlwen to … Read more

Arduino Ultrasonic Distance Measurement Tutorial with Code

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Arduino Ultrasonic Distance Measurement Tutorial with Code

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 Tutorial: Understanding Ultrasonic Sensors

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Arduino Tutorial: Understanding Ultrasonic Sensors

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

Arduino Uno | Measuring Distance with HC-SR04 Ultrasonic Sensor

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Arduino Uno | Measuring Distance with HC-SR04 Ultrasonic Sensor

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