SainSmart BMP180 Barometric Pressure/Temperature/Altitude Sensor- 5V ready

brand: SainSmart 2 SKU: 101-60-103
$9.99
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Description:   

    Pressure range: 300 - 1100hPa (9000 meters above sea level to -500 m).
    Power supply voltage: 1.8V - 3.6V (the VDDA).1.62V - 3.6V (VDDR).
    LCC8 package: lead-free ceramic carrier package (LCC).
    Size: 5.0mmx5.0x1.2mm.
    Low power consumption: 5μA in standard mode.
    Precision: low-power mode, the resolution of 0.06hPa (0.5 m).
    High linear mode with a resolution of 0.03hPa (0.25 m).
    With temperature output.
    I2C interface.
    Temperature compensation.
    Lead-free, RoHS compliant.
    MSL 1.
    Response time: 7.5ms.
    Standby current: 0.1μA.
    Eliminates the need for an external clock circuit.
    Size:2cm X 1.57cm

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5 Based on 2 reviews
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ME
01/02/2014
Mr E

Worked right off the go and is very accurate, precise

Not too much to say here; worked as expected. Connected to my Chipkit Uno32 and connected over the I2C bus. The baro pressure was right on the mark with the local airport and the temp was measured accurate against two other devices with similar resolution. The temp carries a third digit of precision and works great too. Overall, no complaints whatsoever

DS
01/02/2014
D. Springer

Easy to use, and seems accurate - win!

Easy enough to use with the tutorials and sample code from adafruit learning system. Pay attention to your SCL/SDA pins - it varies by type of arduino. I am using a 2560Mega. Per the spec sheet: "TWI: 20 (SDA) and 21 (SCL). Support TWI communication using the Wire library. Note that these pins are not in the same location as the TWI pins on the Duemilanove or Diecimila. " My Sample output: Temperature = 21.87 *C Pressure = 79489 Pa Altitude = 2001.48 meters Real altitude = 2015.28 meters