Gravity: Non-contact Capacitive Flexible Liquid Level Sensor (แท้ DFRobot)

• With light and thin design
• Can be attached on surfaces of non-conductive container

• With light and thin design
• Can be attached on surfaces of non-conductive container

• Working Voltage: 2.5~5.5VDC
• Working Current: 5V290uA 3V235uA
• Output: low (liquid detected), high level(no liquid detected)
• Thickness Range(TR): 5mm
• Hysteresis: ±0.25%FS
• Protection Level: IP62
• Working Temperature: -30~85℃
• Weight: 2g

• Product wiki

• Gravity: Non-contact Capacitive Flexible Liquid Level Sensor x1

Tutorial

Connection Diagram

Sample Code

Click to download Arduino IDE

int ledPin = 13; // LED connected to digital pin 13
int inPin = 7; // pushbutton connected to digital pin 7
int val = 0; // variable to store the read value

void setup()
{
pinMode(ledPin, OUTPUT); // sets the digital pin 13 as output
pinMode(inPin, INPUT_PULLUP); // sets the digital pin 7 as input
digitalWrite(inPin, HIGH); //Setting software pull-up
}

void loop()
{
val = digitalRead(inPin); // read the input pin
digitalWrite(ledPin, val); // sets the LED to the button's value
}

Result

If the sensor detects liquid, the onboard LED of UNO will turn off. If no liquid is detected, the onboard LED of UNO will turn on.