MPL3115A2 Altitude/Pressure/Temp Sensor Breakout

HobbyTronics MPL3115A2 Altitude/Pressure/Temp Sensor Breakout
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Price: £6.60
(£5.50 + VAT)
Stock Quantity: 4
Model: MPL3115A2
Manufacturer: HobbyTronics
Average Rating: 4 out of 5 Stars!


MPL3115A2 Altitude/Pressure/Temp Sensor Breakout

We were quite impressed by this little sensor when we got some on a breakout board from Sparkfun. They are quite inexpensive so we built our own version of the Sparkfun board that is even better value for money. The pinout is the same so it can be used as a direct replacement.

The MPL3115A2 is a MEMS pressure sensor that provides Altitude data to within 30cm (with oversampling enabled). The sensor outputs are digitized by a high resolution 24-bit ADC and transmitted over I2C, meaning it's easy to interface with most controllers. Pressure output can be resolved with output in fractions of a Pascal, and Altitude can be resolved in fractions of a meter. The device also provides 12-bit temperature measurements in degrees Celsius.

This breakout board makes it easy to prototype using this tiny device by breaking out the necessary pins to a standard 0.1" spaced header. The board also has all of the passive components needed to get the device functioning, so you can simply connect it to something that talks I2C and get to work!


  • 1.95V to 3.6V Supply Voltage, internally regulated by LDO
  • 1.6V to 3.6V Digital Interface Supply Voltage
  • Fully Compensated internally
  • Direct Reading, Compensated
    • Pressure: 20-bit measurement (Pascals)
    • Altitude: 20-bit measurement (meters)
    • Temperature: 12-bit measurement (degrees Celsius)
  • Programmable Events
  • Autonomous Data Acquisition
  • Resolution down to 1 ft. / 30 cm
  • 32 Sample FIFO
  • 1 second to 9 hour data acquisition rate
  • I2C digital output interface (operates up to 400 kHz)
  • Board Size 15mm x 16mm (0.6" x 0.625")



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MPL3115A2 Altitude/Pressure/Temp Sensor Breakout
Click to enlarge
MPL3115A2 Altitude/Pressure/Temp Sensor Breakout
Click to enlarge
MPL3115A2 Altitude/Pressure/Temp Sensor Breakout
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