Adafruit MPRLS Pressure Sensor

We stock a few barometric pressure sensors, great for altitude and weather measurements. This pressure sensor is special because it comes with a metal port! Unlike other pressure sensors, you can easily attach a tube to it, to measure air pressure inside a close space. In particular we think this would be a great sensor for use with making DIY assistive tech "Sip & Puff" interfaces, or measuring the pressure within a vacuum chamber or other pressurized container.



Unlike most ported pressure sensors, this one uses I2C, it's really easy to use with any microcontroller. Inside is a silicone-gel covered pressure sensing gauge with a pre-calibrated and compensated 24 bit ADC. Adafruit have example code and libraries for Arduino or CircuitPython/Python. You can measure absolute pressure 0 to 25 PSI, which is a great range since ambient pressure here on Earth is about 14.5 PSI.

The port is made of stainless steel and is 3.7mm long and 2.5mm diameter. It doesn't come with tubing. Adafruit have placed this nice sensor on a breakout board with 3.3V power regulation and level shifting so you can use it with any kind of microcontroller or microcomputer, from an Arduino compatible to Raspberry Pi.

Product Video

Quick Spec

• Supply Voltage: -0.3 ~ 3.6 Vdc
• Voltage on any pin: -0.3 ~ +0.3 V
• ESD Susceptibility (human body model): 4 kV
• Storage Temperature: -40 ~ 85°C
• Uses I2C address 0x18
• 0 to 25 absolute PSI measurement range

Resources

• Product Page
• Datasheet
• Application Notes

Shipping List

• 1 x Adafruit MPRLS Pressure Sensor