Barometric Pressure Sensor with EFM Processor and Dual RS232 Interfaces

  • 1295

We currently have 10 in stock.


This module contains MPL115A1 Digital MEMS Barometer which outputs pressure and a temperature readings. The board contains an EFM32ZG108 Gecko low power microcontroller and two RS232 serial ports allowing it to be daisy chained in a network. Pre-Programmed for use in an openHAB Home Automation system or can be Re-Programmed for other uses.


  • Freescale MPL115A1 Barometric Pressure Sensor
    • Pressure sensor:
      • Range: 50-115 kPa
      • Resolution: 0.15 kPa
      • Accuracy: ±1 kPa
    • Temperature sensor:
      • Range -40 to +105 ºC
      • Resolution: 0.2 ºC
    • Low current consumption
    • Conversion time of 1 ms
    • Accurate pressure measurement from 50 to 115 KPa
    • Integrated ADC and signal conditioning for low noise operation
    • Factory calibrated with calibration data stored in internal ROM
    • Using calibration data raw data can render Compensated Absolute Pressure with 1 kPa accuracy
  • +3.6V to +6V Input Voltage
  • EFM32ZG108 Gecko Microcontroller
    • ARM Cortex-M0+
    • Low Power Operation
    • 32KB Flash Memory
    • 4KB RAM
  • MAX3232 Dual RS232 Line Driver/Receiver
  • Two 4 Pin DF11 Right Angle Male Connectors each with Power and RS232
  • 6 Pin DF11 Right Angle Male Connector for Programming and Debug
  • Pre-Programmed with openHAB Item Firmware for Plug-and-Play
  • Pre-Programmed Firmware is Designed for Low Power Operation
  • May be Programmed with the Arduino IDE


  • Barometry
  • Altimeters
  • Weather Stations
  • Air control system monitoring

Eagle Files
MPL115A1 Barometric Pressure Sensor Data Sheet 





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