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