Connection
JSN-SR04T Arduino
5V 5V
Trig D3
Echo D2
GND GND
JSN-SR04T arduino code:
#define ECHOPIN 2// Pin to receive echo pulse #define TRIGPIN 3// Pin to send trigger pulse void setup(){ Serial.begin(9600); pinMode(ECHOPIN, INPUT); pinMode(TRIGPIN, OUTPUT); digitalWrite(ECHOPIN, HIGH); } void loop(){ digitalWrite(TRIGPIN, LOW); // Set the trigger pin to low for 2uS delayMicroseconds(2); digitalWrite(TRIGPIN, HIGH); // Send a 10uS high to trigger ranging delayMicroseconds(10); digitalWrite(TRIGPIN, LOW); // Send pin low again int distance = pulseIn(ECHOPIN, HIGH,26000); // Read in times pulse distance= distance/58; Serial.print(distance); Serial.println(" cm"); delay(50);// Wait 50mS before next ranging }
Picture:
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