7Semi BME280 Temperature Humidity Pressure Sensor Breakout I2C/SPI

The 7Semi BME280 Temperature, Humidity, and Pressure Sensor Breakout is a high-precision environmental sensing module based on Bosch’s BME280 sensor. It measures temperature, relative humidity, and barometric pressure with excellent accuracy and stability, making it ideal for weather monitoring, indoor air quality, and IoT applications. The module supports both I²C and SPI communication interfaces, allowing easy integration with a wide range of microcontrollers and development platforms. Its compact design and low power consumption make it perfect for battery-operated and portable systems.

Technical Specifications:

• Sensor IC: Bosch BME280
  
• Measurement Parameters: Temperature, Humidity, Pressure
  
• Temperature Range: -40°C to +85°C
  
• Temperature Accuracy: ±1.0°C typical
  
• Humidity Range: 0% to 100% RH
  
• Humidity Accuracy: ±3% RH typical (20–80% range)
  
• Pressure Range: 300 hPa to 1100 hPa
  
• Pressure Accuracy: ±1 hPa (typical)
  
• Operating Voltage: 1.8 V to 3.6 V (typical 3.3 V)
  
• Current Consumption:
   – 1.8 µA (sleep mode)
   – 3.6 µA (humidity + temperature)
   – 714 µA (pressure + humidity + temperature)
  
• Communication Interface: I²C (up to 3.4 MHz) and SPI (up to 10 MHz)
  
• Logic Level Compatibility: 3.3 V (5 V tolerant with level shifting)
  
• Operating Temperature: -40°C to +85°C
  
• Response Time:
   – Humidity: 1 s typical
   – Pressure: 0.5 ms typical
  
• PCB Type: High-quality FR-4 with labeled pin headers
  

Features:

• Combines temperature, humidity, and pressure sensing in one compact module
  
• High-accuracy and low-noise digital sensor from Bosch
  
• Supports both I²C and SPI interfaces for flexible integration
  
• Low power consumption suitable for battery-powered applications
  
• Fast response time and excellent long-term stability
  
• Factory-calibrated for reliable out-of-the-box performance
  
• Compatible with Arduino, ESP32, STM32, and Raspberry Pi
  
• Ideal for altitude and weather-based calculations
  
• Compact breakout design for easy prototyping
  
• Wide operating range for versatile environmental monitoring

Applications:

• Weather stations and environmental monitoring systems
  
• IoT-based climate sensing and control
  
• Smart home and HVAC automation
  
• Indoor air quality and comfort monitoring
  
• Altitude and pressure measurement in drones and navigation systems
  
• Portable and wearable environmental devices
  
• Agricultural and greenhouse climate control systems
  
• Educational, research, and prototyping projects requiring environmental data