Interfacing XKC-Y26-V Non-contact Liquid Level Sensor with Arduino

Table of Contents

XKC-Y26-V Non-contact Liquid Level Sensor Features

The XKC-Y26-V Non-Contact Liquid Level Sensor is a digital output sensor that detects the presence of liquid. There is an LED on the module, which will turn on if liquid is detected, otherwise it turns off. There is also a screw on the body of the module that you can use to adjust the sensitivity of the sensor. This sensor is suitable for dangerous applications such as detection of toxic substances, strong acids, strong alkalis, etc.

XKC-Y26-V Non-contact Liquid Level Sensor Pinout

This Module has 4 wires:

  • VCC: Module power supply – 5V to 24V – Brown
  • OUT: Sensor Output – Yellow
  • GND: Ground – Blue
  • Mode: Mode pin (If it is Low, the output will be Active Low and if it is High, output will be Active High. If it is not connected, the output remains Active High)

You can see the pinout of this module in the image below.

Required Materials

Hardware Components

Arduino UNO R3 × 1
XKC-Y26-V Non-contact Water Liquid Level Sensor × 1
Male to Male jumper wire × 1

Software Apps

Arduino IDE

Interfacing XKC-Y26-V Non-contact Liquid Level Sensor with Arduino

Step 1: Circuit

The following circuit show how you should connect Arduino to XKC-Y26-V sensor. Connect wires accordingly.

Step 2: Code

Upload the following code to your Arduino. After that, open Serial Monitor.

  Made on Jan 12, 2020
  By MehranMaleki @ Electropeak
*/ #define Liquid_Detection_Pin 2 //Output pin on sensor void setup() { Serial.begin(9600); pinMode(Liquid_Detection_Pin, INPUT); } void loop() { if (digitalRead(Liquid_Detection_Pin)) { Serial.println("Liquid Detected!"); } else { Serial.println("No Liquid!"); } delay(1000); }

In the code above, the digital output will be checked every second and the detection or non-detection of liquid appears in the Serial Monitor.

The output is as follows:

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