| Brand | Adafruit |
|---|---|
| Item model number | 2652 |
| Item Weight | 0.96 ounces |
| Product Dimensions | 3.74 x 2.56 x 0.39 inches |
| Item Dimensions LxWxH | 3.74 x 2.56 x 0.39 inches |
| Manufacturer | Adafruit |
| ASIN | B013W0RR6Y |
| Is Discontinued By Manufacturer | No |
| Date First Available | August 14, 2015 |
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Adafruit BMP280 I2C or SPI Barometric Pressure and Altitude Sensor
| Price: | $15.95$15.95
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- Price For: Each Manufacturer: Adafruit Product Category: Adafruit Accessories RoHS: Product: Sensors Type: Board Mount Humidity Sensors Brand: Adafruit Packaging: Bulk
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| Customer Rating | 4.3 out of 5 stars (51) | 4.2 out of 5 stars (51) | 4.5 out of 5 stars (134) | 3.5 out of 5 stars (19) | 4.4 out of 5 stars (23) |
| Price | $15.95$15.95 | $6.99$6.99 | $14.99$14.99 | $9.99$9.99 | $4.69$4.69 |
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Product description
Bosch has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI! This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuraccy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with ±1 meter accuracy. The BMP280 is the next-generation of sensors from Bosch, and is the upgrade to the BMP085/BMP180/BMP183 - with a low altitude noise of 0.25m and the same fast conversion time. It has the same specifications, but can use either I2C orSPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI. Adafruit has made it easy for you to get right into your next project. The surface-mount sensor is soldered onto a PCB and comes with a 3.3V regulator and level shifting so you can use it with a 3V or 5V logic microcontroller without worry. Adafruit even wrote up a nice tutorial with wiring diagrams, schematics, libraries and examples to get you running in 10 minutes! And make sure to check the tutorial for pinouts, assembly, wiring, downloads, and more!
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| Customer Reviews |
4.3 out of 5 stars |
|---|---|
| Best Sellers Rank | #100,088 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #49 in Pressure Probes & Sensors |
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Top reviews from the United States
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Having said that, as a BMP280 board it seemed well built, was clearly labeled, and worked exactly as described. But since I needed the humidity sensor, I ended up having to buy another.
"Normal mode" where the device constantly makes readings is much more convenient than "forced mode" on the BMP085/180 where you must request each reading. Also, the chip has options for oversampling so filtering is all handled on the chip.
Pulling SDO low for the alternate i2c address wasn't documented in the Adafruit documentation, but was in the Bosch datasheet.
UPDATE: Failed 2 months later.
Top reviews from other countries
Der BME280 misst Luftfeuchte, Temperatur und Luftdruck und verteilt diese über I2C oder SPI.
Bei Adafruit gibt es Demoprogramme mit denen man das Teil in ca 7 Minuten an einem Arduino zum laufen bekommt. Beim Raspberry PI wäre das Ganze auch lauffähig, da der Sensor auch 3,3V läuft und kein Pegelwandler nötig wird.
Der BME280 liegt in der Auflösung vor dem BME180 - es handelt sich ja auch um den Nachfolger.
Ich möchte das mit einem 3€ Arduino Nano als Luftdruckmesser beim Segeln verwenden und bei einem zu starken Druckabfall in kurzer Zeit mich visuell (LED) vor einer eventuellen Schwerwetterfront warnen lassen.








