Adafruit
Adafruit MPRLS Ported Pressure Sensor Breakout - 0 to 25 PSI
The Adafruit MPRLS Ported Pressure Sensor Breakout measures absolute air pressure from 0 to 25 PSI (0–172 kPa) via a stainless steel port. Unlike typical bar...
The Adafruit MPRLS Ported Pressure Sensor Breakout measures absolute air pressure from 0 to 25 PSI (0–172 kPa) via a stainless steel port. Unlike typical barometric sensors, the metal port lets you attach tubing to measure pressure inside sealed spaces — ideal for DIY assistive technology, vacuum monitoring, or pneumatic projects.
The sensor communicates over I2C and features a silicone-gel protected gauge with a pre-calibrated, compensated 24-bit ADC for accurate readings. The breakout includes a 3.3 V regulator and level shifting for compatibility with both 3.3 V and 5 V microcontrollers.
Key Features
- 0–25 PSI Range – Absolute pressure measurement (ambient is ~14.5 PSI at sea level)
- Stainless Steel Port – 3.7 mm long, 2.5 mm diameter for attaching tubing
- 24-Bit ADC – Pre-calibrated and temperature-compensated for accurate readings
- I2C Interface – Simple digital communication with any microcontroller
- 3.3 V and 5 V Compatible – On-board regulator and level shifting
- Silicone-Gel Protected – Gauge element protected from moisture and contaminants
Ideal For
- DIY assistive technology "sip and puff" interfaces
- Vacuum chamber and sealed container monitoring
- Pneumatic system pressure measurement
- Air flow and pressure differential experiments
Package Contents
- 1× Adafruit MPRLS Ported Pressure Sensor Breakout
Jargon buster
Plain-language definitions for the technical terms used above.
- ADC
- An analogue-to-digital converter reads a changing voltage and turns it into a number the microcontroller can use. It matters when connecting analogue sensors such as light, sound, or variable-resistor sensors.
- breakout
- A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine contacts.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
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