Height Measurement By Ultrasonic Sensor Using Arduino

Height Measurement By Ultrasonic Sensor Using Arduino. HCSR04 ultrasonic sensor The HCSR04 ultrasonic module is a module that can provide noncontact measurement within the range of 2cm to 400cm with ranging accuracy that can reach 3mm It works on the principle of echolocation The ultrasonic sensor as a trigger and an echo pin The arduino provides a high signal of 10microseconds to this pin.

After the measurement process the capacitor should be discharged for the next measurement Circuit Here we used a 10 kiloohm resistor to charge the capacitor and a 220ohm resistor for discharge Connect the wires according to the following diagram Code Upload the following code to your Arduino and view the results in the Serial Monitor window /*.

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100m of wire has too much inductance resistance and capacitance for a signal from the Arduino to reach the sensor or for a reply from the sensor to reach the Arduino You could do it with two Arduinos and a radio link between them and the HCSR04 connected by short wires to one of them or the two Arduinos could be connected using RS485 communication shields and 100m.

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