3.3-5V Digital Barometric Pressure Sensor Module Liquid Water Level Controller Board 0-40KPa Connect 2.5mm Soft Tube For Arduino
KSH 1,300.00
Out of Stock
The 3.35V Digital Barometric Pressure Sensor Module is a compact, highaccuracy sensor designed for liquid level measurement and air pressure monitoring. With a 0-40KPa measurement range and 2.5mm soft tube connection, this sensor provides reliable digital output for water level control, tank monitoring, and pneumatic systems.
| Parameter | Value |
|---|---|
| Supply Voltage | 3.3V - 5V DC |
| Pressure Range | 0 - 40KPa |
| Output Signal | Analog Voltage |
| Interface | 2.5mm Soft Tube |
| Board Dimensions | ~35mm x 22mm |
| Mounting Holes | 2 x 2.5mm |
| Compatibility | Arduino, ESP32, 5V/3.3V MCU |
= Key Features =
Direct Liquid Level Monitoring - Measures water level via air pressure
Analog Output - Simple connection to any ADC pin
Wide Power Range - Works with 3.3V and 5V systems
2.5mm Tube Connection - Easy installation with standard tubing
Compact Design - Small form factor for any project
Low Cost - Affordable liquid level solution
| Sensor Pin | Arduino Pin |
|---|---|
| VCC | 3.3V or 5V |
| GND | GND |
| OUT | Analog Pin (A0) |
> Connect 2.5mm soft tube to sensor inlet for pressure measurement
## Arduino Test Code
int sensorPin = A0;
int sensorValue = 0;
void setup() {
Serial.begin(9600);
}
void loop() {
sensorValue = analogRead(sensorPin);
float voltage = sensorValue * (5.0 / 1023.0);
float pressure = (voltage - 0.5) / 4.5 * 40;
Serial.print("Pressure: ");
Serial.print(pressure);
Serial.println(" KPa");
delay(500);
}
| Pressure (KPa) | Water Level (cm) | Water Level (m) |
|---|---|---|
| 10 KPa | 102 cm | 1.02 m |
| 20 KPa | 204 cm | 2.04 m |
| 30 KPa | 306 cm | 3.06 m |
| 40 KPa | 408 cm | 4.08 m |
> 1 KPa ≈ 10.2 cm of water
## Why Choose This Sensor?
√ Works with Arduino and ESP32
√ No additional components required
√ Ready to connect
√ Suitable for water level control
√ Complete liquid level monitoring solution
## Safety Precautions
The 3.3-5V Digital Barometric Pressure Sensor Module provides accurate liquid level monitoring at an affordable price. Simple to install and easy to use, it's the perfect solution for water tank monitoring and pressure measurement projects.
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