BDD Barometric Sensor – BME280 (3.3V)

Quick Specs

Operating Voltage — 3.3V DC, ideal for low‑power embedded systems. Measurement Range — Measures pressure (300–1100 hPa), temperature (−40°C to +85°C), and humidity (0–100% RH). Interface Options — Supports both I²C and SPI communication for flexible integration. Accuracy — ±1 hPa pressure, ±0.5°C temperature, ±3% humidity.

Features

• High‑precision barometric pressure sensor for altitude and weather monitoring

• Integrated temperature and humidity sensing in one compact package

• Low power consumption, suitable for battery‑powered devices

• Digital output via I²C or SPI bus

• Small form factor for easy PCB mounting

Specifications

• Sensor Type: Bosch BME280

• Operating Voltage: 3.3V DC

• Pressure Range: 300–1100 hPa

• Pressure Accuracy: ±1 hPa

• Temperature Range: −40°C to +85°C

• Temperature Accuracy: ±0.5°C

• Humidity Range: 0–100% RH

• Humidity Accuracy: ±3% RH

• Communication: I²C (up to 3.4 MHz), SPI (up to 10 MHz)

• Package Size: ~2.5 mm × 2.5 mm × 0.93 mm

Applications

• Weather stations and environmental monitoring

• Altitude measurement in drones and robotics

• Indoor climate control systems

• IoT devices and smart wearables