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BMP085 Barometric Pressure/Temperature/Altitude Sensor- 5V ready

PRODUCT ID: 391
$19.95
This sensor has been discontinued by BOSCH and replaced with the BMP180 which is a drop-in replacement.
QTY DISCOUNT
1-9$19.95
10-99$17.96
100+$15.96
  • Description

    Description-

    This precision sensor from Bosch is the best low-cost sensing solution for measuring barometric pressure and temperature. Because pressure changes with altitude you can also use it as an altimeter! The sensor is soldered onto a PCB with a 3.3V regulator, I2C level shifter and pull-up resistors on the I2C pins.

    NEW! We now have a fully 5V compliant version of this board - a 3.3V regulator and a i2c level shifter circuit is included so you can use this sensor safely with 5V logic and power

    Using the sensor is easy. For example, if you're using an Arduino, simply connect the VIN pin to the 5V voltage pin, GND to ground, SCL to I2C Clock (Analog 5) and SDA to I2C Data (Analog 4). Then download our BMP085 Arduino library and example code for temperature, pressure and altitude calculation. Install the library, and load the example sketch. Immediately you'll have precision temperature, pressure and altitude data. We also have a detailed tutorial so you can understand the sensor in depth including how to properly calculate altitude based on sea-level barometric pressure

  • Technical Details

    Technical Details+

    • Vin: 3 to 5VDC
    • Logic: 3 to 5V compliant
    • I2C 7-bit address 0x77
    • Pressure sensing range: 300-1100 hPa (9000m to -500m above sea level)
    • Up to 0.03hPa / 0.25m resolution
    • -40 to +85°C operational range, +-2°C temperature accuracy

    Datasheets, Fritzing objects, and EagleCAD PCB GitHub files available in the product tutorial

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