{"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":"The Adafruit BME280 Breakout is a precision environmental sensor from Bosch that measures temperature, barometric pressure, and humidity in a single package. With its excellent pressure accuracy, it also functions as an altimeter with approximately ±1 metre resolution.\n\nThe breakout includes a 3.3V regulator and level shifting, so it works with both 3V and 5V microcontrollers. It supports both I2C and SPI interfaces — use I2C for simple two-wire connections, or SPI to avoid address collisions when connecting multiple sensors.\n\nKey Features\n\n\nTemperature – ±1.0°C accuracy\n\nHumidity – ±3% RH accuracy\n\nBarometric Pressure – ±1 hPa absolute accuracy, 0.25 m altitude noise\n\nAltimeter Function – Approximately ±1 metre accuracy using pressure readings\n\nI2C and SPI Interfaces – Choose the connection method that suits your project\n\n3.3V Regulator and Level Shifting – Works with 3V or 5V logic\n\nFast Conversion – Quick readings for responsive environmental monitoring\n\n\nSpecifications\n\n\nTemperature Range – -40°C to +85°C\n\nHumidity Range – 0–100% RH\n\nPressure Range – 300–1100 hPa\n\nInterface – I2C (default) or SPI\n\nSupply Voltage – 3–5V (onboard regulator)\n\n\nIdeal For\n\nWeather stations and environmental monitoring\nAltitude and barometric pressure logging\nIndoor climate control and HVAC projects\nIoT sensor nodes\n\n\nPackage Contents\n\n1× Adafruit BME280 Breakout (assembled)\n1× Header strip\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":9614,"title":"Default Title","sku":"AF-2652","price":29.17,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":101,"option1":"Default Title"}]}