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Measure Pressure with a Compact Sensor Module
The Air Barometric Pressure Sensor Digital 3.3-5V Liquid Water Level Controller is a liquid level sensor with digital output designed for barometric logging, tank checks, and fluid system monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Measuring range: 0KPa ~ 40KPa; Interface: Digital GPIO.
Why you’ll love it
- Key feature: Standard signal output, wide temperature compensation
- 0-40kPa Gas Pressure Sensor x 1: 0-40kPa Gas Pressure Sensor x 1
- Sensing range: 0KPa ~ 40KPa
- Easy wiring: Digital GPIO
- Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
- Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| Air Barometric Pressure Sensor Digital 3.3-5V Liquid Water Level Controller | liquid level sensor with digital output | Current item |
| Adafruit LPS35HW Water Resistant Pressure Sensor - STEMMA QT | environmental sensor with I2C | STEMMA QT connector, pressure sensing |
| Water Pressure Sensor Analog Gravity | environmental sensor with analog output | analog output, pressure sensing |
| Barometric Pressure / Temperature MPL115A2 I2C Sensor | environmental sensor with I2C | I2C interface, pressure sensing |
What you can build
This sensor is a good fit for altitude loggers, barometers, pump systems, tank pressure checks, and weather stations.
Starter bundles
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.
Recommended add-ons
Useful add-ons include tubing, adapters, and a display or logger, depending on how you plan to power, mount, and log the sensor.
Technical specifications
| Product | Air Barometric Pressure Sensor Digital 3.3-5V Liquid Water Level Controller |
|---|---|
| Measuring range | 0KPa ~ 40KPa |
| Operating temperature range | -20 ~ 100 ℃ |
| Interface | Digital GPIO |
| Category | pressure sensors |
Wiring & usage notes
Connect power and ground, then wire the output pin to a digital GPIO input. Check whether the module uses active-high or active-low logic in your code.
What’s in the box
1 × Air Barometric Pressure Sensor Digital 3.3-5V Liquid Water Level Controller
Frequently Asked Questions
What does the Air Barometric Pressure Sensor Digital 3.3-5V Liquid Water Level Controller measure?
It is designed to measure liquid level or liquid presence.
Can I use it with Arduino, ESP32, or Raspberry Pi?
Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Digital GPIO sensor?
This sensor provides a digital switching-style signal that is easy to read from a GPIO pin.
What affects accuracy?
Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping?
Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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