Today, We will review the Cytron Maker Uno RP2040 development board combining the Arduino UNO form factor with ... a soil moisture sensor with one Grove cable, an HC-SR04 ultrasonic sensor with a ...

The Ultrasonic sensor is powered by 5V through Arduino, its trigger pin connected to the Pin5 and Echo pin s connected to the Pin6 of the Arduino. The buzzer is connected to the Pin4 of Arduino.

Calculating normal distance with the HC-SR04 ultrasonic sensor in the 3 Pin Mode and an Arduino UNO board: Calculating precise distance with the HC-SR04 ultrasonic sensor in the 3 Pin Mode, a DHT ...

The following article shows you how to interface the SR04T Waterproof Ultrasonic sensor with an Arduino Uno to obtain distance data ... The functionalities of the pins are : 5V This is the supply ...

2); int ultrasonic = 0; long readUltrasonicDistance(int triggerPin, int echoPin) { pinMode(triggerPin, OUTPUT); // Clear the trigger digitalWrite(triggerPin, LOW); delayMicroseconds(2); // Sets the ...

Figure 2. Arduino UNO and HC-SR04 ultrasonic distance sensor [8]. pin 13 and pin 12 of the Aurdino board. Magnitude of V cc determines the strength of ultrasonic signal generated by SR04. Trig and ...

Stay tuned for that do it yourself project. Below is the Arduino Sketch used to test the JSN-SR04T ultrasonic distance sensor. This sample code does not require a library. #define trigPin 12 // Trig ...

In the following diagram the connection can be observed. Things to keep in mind: The resistors are 220 Ω and are placed in series with the LEDs. The Arduino ultrasonic sensor connects to two digital ...