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

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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

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