{"title":"Adafruit BMP280 I2C or SPI Barometric Pressure  Altitude Sensor","handle":"adafruit-bmp280-i2c-or-spi-barometric-pressure-altitude-sensor","url":"/products/adafruit-bmp280-i2c-or-spi-barometric-pressure-altitude-sensor","description":"The BMP280 from Bosch is a precision barometric pressure and temperature sensor, and the next-generation upgrade to the BMP085/BMP180/BMP183 family. With support for both I2C and SPI communication, it offers flexibility for a wide range of weather sensing and altitude estimation projects.\n\nWith ±1 hPa barometric pressure accuracy and low altitude noise of 0.25 metres, the BMP280 delivers reliable environmental readings suitable for weather stations, altimeters, and IoT applications. The breakout board includes a 3.3V regulator and level shifting for easy use with both 3V and 5V microcontrollers.\n\nKey Features\n\n\nBarometric Pressure – ±1 hPa absolute accuracy\n\nTemperature – ±1.0°C accuracy\n\nAltimeter – ±1 metre accuracy with 0.25 m noise floor\n\nDual Interface – I2C and SPI communication\n\nVoltage Range – 3–5V operation via onboard regulator and level shifting\n\nFast Conversion – Quick sampling for responsive applications\n\n\nAlso Available\n\n\nAdafruit BMP280 – Assembled – Same sensor with headers pre-soldered\n\nAdafruit BMP388 – Higher precision altimeter (±0.5 m accuracy)\n\nAdafruit BME280 – Adds humidity sensing to pressure and temperature\n\nAdafruit BME680 – Adds humidity and VOC gas sensing\n\n\nIdeal For\n\nWeather stations and environmental monitoring\nAltitude estimation for drones and robotics\nIoT environmental sensing projects\nMulti-sensor setups using SPI to avoid I2C address conflicts\n\n\nPackage Contents\n\n1× Adafruit BMP280 breakout board (headers not soldered)\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":9625,"title":"Default Title","sku":"AF-2651","price":20.82,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":62,"option1":"Default Title"}]}