{"title":"Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor","handle":"adafruit-bme280-i2c-or-spi-temperature-humidity-pressure-sensor","url":"/products/adafruit-bme280-i2c-or-spi-temperature-humidity-pressure-sensor","description":"Measure indoor environmental conditions with Bosch’s BME280 sensor on an easy-to-use Adafruit breakout. It combines temperature, barometric pressure and humidity sensing in a compact board that suits weather stations, room monitoring, data logging and altitude-aware projects.The sensor can communicate over either I2C or SPI, so you can keep wiring simple or use SPI when you need to connect multiple sensors without I2C address conflicts. The surface-mount BME280 is soldered to a custom PCB for straightforward prototyping.Adafruit has added a 3.3V regulator and level shifting, making the breakout suitable for use with 3V or 5V logic microcontrollers. It is built in the STEMMA QT form factor, with connectors on both sides that are compatible with SparkFun Qwiic I2C connectors for solderless connections and easy chaining with other boards.Features:Environmental sensing: Measures temperature, barometric pressure and humidity.Interface options: Supports both I2C and SPI.I2C convenience: Simple wiring for typical microcontroller projects.SPI flexibility: Helps avoid I2C address collisions when connecting multiple sensors.Altimeter use: Pressure measurements can be used for altitude estimation.On-board power support: Includes a 3.3V regulator.Logic compatibility: Includes level shifting for 3V or 5V logic microcontrollers.STEMMA QT form factor: Designed for easy solderless I2C connection.Qwiic compatibility: STEMMA QT connectors are compatible with SparkFun Qwiic I2C connectors.Chainable connectors: STEMMA QT connectors on either side allow chaining with compatible sensors and accessories.Specifications:Sensor: Bosch BME280Humidity accuracy: ±3%Barometric pressure absolute accuracy: ±1 hPaTemperature accuracy: ±1.0°CAltimeter accuracy: ±1 meter or betterAltitude noise: 0.25mLogic compatibility: 3V or 5V logic microcontrollerOn-board regulator: 3.3VInterfaces: I2C or SPIConnector format: STEMMA QTConnector compatibility: SparkFun Qwiic I2C connectorsUse a compatible STEMMA QT or Qwiic cable for a solderless I2C setup, or wire the breakout for SPI when your project needs that bus instead.","vendor":"Adafruit","product_type":"Environmental Sensor","in_stock":true,"options":[],"variants":[{"id":9614,"title":"Default Title","sku":"AF-2652","mpn":"2652","price":30.05,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":99,"option1":"Default Title","option2":"","option3":""}]}