# BME280 breakout (Pimoroni)

Manufacturer: Pimoroni  |  MPN: PIM472  |  Category: env-sensor
Canonical: https://partsgraph.ai/catalog/parts/pimoroni-bme280
Image: https://partsgraph.ai/catalog/img/pimoroni-bme280.jpg (photo: Pimoroni; sha256 9a926f6900f1)

## Attributes (each with provenance)

- **Pressure range**: 300 to 1100 hPa
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "g range -40…+85 °C, 0…100 % rel. humidity, 300…1100 hPa • Humidity sensor and pressure sensor can be indepen"
- **Temperature range**: -40 to 85 °C
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "µA in sleep mode • Operating range -40…+85 °C, 0…100 % rel. humidity, 300…1100 hPa • Humidity sens"
- **VDD supply (bare IC)**: 1.71 to 3.6 V
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "voltage VDD main supply voltage range: 1.71 V to 3.6 V VDDIO interface v"
- **Humidity range**: 0 to 100 %
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "mode • Operating range -40…+85 °C, 0…100 % rel. humidity, 300…1100 hPa • Humidity sensor and pr"
- **Humidity accuracy**: 3 %
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "Accuracy tolerance ±3 % relative humidity • Hysteresis"
- **I2C address (selectable)**: 0x76 or 0x77
  - source: https://shop.pimoroni.com/products/bme280-breakout
  - quote: "I2C interface, with address select via cuttable ADDR trace (0x76 or 0x77) Qwiic/STEMMA QT connector 3.3V or 5V compatible Reverse po"
- **Logic compatibility**: 3.3V or 5V compatible
  - source: https://shop.pimoroni.com/products/bme280-breakout
  - quote: "uttable ADDR trace (0x76 or 0x77) Qwiic/STEMMA QT connector 3.3V or 5V compatible Reverse polarity protection (on Breakout Garden connector)"
- **Qwiic/STEMMA QT connector**: yes
  - source: https://shop.pimoroni.com/products/bme280-breakout
  - quote: "with address select via cuttable ADDR trace (0x76 or 0x77) Qwiic/STEMMA QT connector 3.3V or 5V compatible Reverse polarity protection (on Break"
- **Reverse polarity protection**: yes
  - source: https://shop.pimoroni.com/products/bme280-breakout
  - quote: "76 or 0x77) Qwiic/STEMMA QT connector 3.3V or 5V compatible Reverse polarity protection (on Breakout Garden connector) Raspberry Pi-compatible pino"
- **Board dimensions**: 19x19x4.7mm
  - source: https://shop.pimoroni.com/products/bme280-breakout
  - quote: "ddress on one of them using the cuttable trace. Dimensions: 19x19x4.7mm (LxWxH, including connectors) Close Reviews Show more revie"
- **RoHS**: RoHS compliant
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "to Bosch Sensortec BMP280 digital pressure sensor • RoHS compliant, halogen-free, MSL1 Key parameters for humidity sensor"
- **Halogen-free**: yes
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "tec BMP280 digital pressure sensor • RoHS compliant, halogen-free, MSL1 Key parameters for humidity sensor • Response t"
- **Moisture sensitivity**: MSL1
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "ital pressure sensor • RoHS compliant, halogen-free, MSL1 Key parameters for humidity sensor • Response time (�"
- **Lead-free soldering**: yes
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 45) sha256:a2ccdb449fec
  - quote: "ow Sensitive Surface Mount Devices”. The sensor fulfils the lead-free soldering requirements of the above-mentioned IPC/JEDEC sta"
- **Sensor package (bare IC)**: 2.5 mm x 2.5 mm x 0.93 mm
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "sor Key features • Package 2.5 mm x 2.5 mm x 0.93 mm metal lid LGA • Digital interface I²C"
- **I2C bus speed, sensor max**: 3.4 MHz
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "id LGA • Digital interface I²C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz) • Supply voltage"
- **Sleep current (sensor)**: 0.1 µA
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "e and temperature 0.1 µA in sleep mode • Operating range -40"
- **Current @ 1 Hz (H+P+T)**: 3.6 µA
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "e and temperature 3.6 µA @ 1 Hz humidity, pressure and temperature"
- **Humidity response time (τ63%)**: 1 s
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "Response time (𝜏𝜏63% ) 1s • Accuracy tolerance"
- **Humidity hysteresis (±%RH)**: 1 %
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "Hysteresis ±1% relative humidity Key parameters for pressure sensor"
- **Pressure RMS noise (filtered)**: 0.2 Pa
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "• RMS Noise 0.2 Pa, equiv. to 1.7 cm • Offset temperature coefficient"
- **Pressure offset temp coefficient (±Pa/K)**: 1.5 Pa/K
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 2) sha256:a2ccdb449fec
  - quote: "Offset temperature coefficient ±1.5 Pa/K, equiv. to ±12.6 cm at 1 °C temperature change Typical app"
- **Temperature accuracy @25 °C (°C)**: ±0.5
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 11) sha256:a2ccdb449fec
  - quote: "25 °C ±0.5 °C 5 When changing temperature"
- **Pressure output resolution (Pa)**: 0.18
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 11) sha256:a2ccdb449fec
  - quote: "Highest oversampling 0.18 Pa pressure output data Noi"
- **Sensor power modes**: sleep mode, forced mode and normal mode
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 14) sha256:a2ccdb449fec
  - quote: "et. 3.3 Sensor modes The BME280 offers three sensor modes: sleep mode, forced mode and normal mode. These can be selected using the mode[1:0] setting (see cha"
- **Chip ID**: 0x60
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 26) sha256:a2ccdb449fec
  - quote: "Read value is Read value is 0x60"
- **Start-up time, max (ms)**: 2
  - source: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (page 8) sha256:a2ccdb449fec
  - quote: "ime to first 2 ms"
- **Recommended burn-in time (min.)**: 20 minutes
  - source: https://shop.pimoroni.com/products/bme280-breakout
  - quote: "found that the sensor requires some burn-in time (at least 20 minutes) and that readings may take a couple of minutes to stabilis"
- **Default I2C address**: 0x76
  - source: https://shop.pimoroni.com/products/bme280-breakout
  - quote: "R) can be cut to change the I2C address from the default of 0x76 to 0x77, meaning that you can use up to two sensors on the"
- **Raspberry Pi header pins used**: pins 1, 3, 5, 7, 9
  - source: https://shop.pimoroni.com/products/bme280-breakout
  - quote: "Breakout Garden connector) Raspberry Pi-compatible pinout (pins 1, 3, 5, 7, 9) Compatible with Arduino Compatible with Raspberry Pi ( Pyt"
- **Breakout Garden compatible**: yes
  - source: https://shop.pimoroni.com/products/bme280-breakout
  - quote: "and monitoring. This breakout is compatible with our fancy Breakout Garden system, where using breakouts is as easy just popping it in"
- **Headers included (male + right-angle female)**: yes
  - source: https://shop.pimoroni.com/products/bme280-breakout
  - quote: "es ) Schematic Kit includes BME280 breakout 1x5 male header 1x5 female right angle header We've designed this breakout board so that you can solder o"

## Vendors

- Pimoroni: https://shop.pimoroni.com/products/bme280-breakout (~GBP 13.8, indicative as of 2026-08-18)

## Datasheets

- Bosch BME280 datasheet: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf (sha256 a2ccdb449fec)

Used in builds: weather-station (roles: thp-sensor)

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