BME680 Sensor Module - Temp Humidity Pressure Gas, I2C/SPI
BME680 Digital Temperature Humidity Pressure and Gas Sensor Module
The BME680 is an integrated environmental sensor from Bosch that combines temperature, humidity, barometric pressure, and volatile organic compound (VOC) gas sensing in a single compact module. It communicates via I2C or SPI, making it suitable for indoor air quality monitoring, weather stations, and altitude tracking projects. With ultra-low power consumption, it's ideal for battery-operated or IoT devices.
Key Specifications
| Specification | Value |
|---|---|
| Sensor Chip | Bosch BME680 |
| Interface | I2C (up to 3.4 MHz) or SPI |
| Operating Voltage | 3.3V (pin tolerance 1.8–3.6V) |
| Temperature Range | -40°C to +85°C (±1°C accuracy) |
| Humidity Accuracy | ±3% relative humidity |
| Pressure Accuracy | ±1 hPa (300 to 1100 hPa range) |
What You Can Build With This
- Indoor air quality monitor with VOC and temperature display
- Personal weather station with data logging to an SD card
- Altitude logger for drones, rockets, or hiking GPS trackers
- Smart home environmental sensor for automated ventilation control
Compatibility
This module operates at 3.3V, so it works directly with 3.3V microcontrollers like ESP8266, ESP32, and Raspberry Pi. For 5V boards such as Arduino Uno, use a logic level shifter or ensure the I2C pull-up resistors are connected to the 3.3V rail. It pairs well with common I2C display modules (OLED/LCD) for standalone readouts.
Wiring Notes
For I2C, connect VCC to 3.3V, GND to ground, SDA to data, and SCL to clock; the breakout often includes pull-up resistors. When using SPI, connect CS to a digital pin, SDI to MOSI, SDO to MISO, and SCK to clock, keeping wiring short to avoid signal integrity issues.
Why Buy from Compoden
Every component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.
Is this compatible with Arduino Uno?
Yes, but since Arduino Uno runs at 5V, you must use a logic level shifter for the I2C lines and power the module with 3.3V to avoid damage.
How is altitude calculated from pressure?
The sensor provides pressure readings, and altitude is derived using the barometric formula. For accurate results, calibrate with a reference sea-level pressure value from a weather station.
Can this sensor measure CO2 levels directly?
No, the BME680 measures broad VOCs but not CO2. Some libraries estimate equivalent CO2 (eCO2) based on gas resistance, but it is not a substitute for a dedicated CO2 sensor.
📦 Free Setup Handoff Document Included
Every Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.
Ask Soldr above what you can build with this — it knows every Compoden kit this part appears in.
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items