SPECIFICATIONS

Brand Name: rtrobot

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Origin: Mainland China

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BME690 Sensor Module Specifications Table

Parameter	Specification
Product Model	BME690 Environmental Sensor Module
Sensor Type	Digital Low-Power Gas, Pressure,Temperature, Humidity Sensor (with AI integration)
Operating Voltage	3.3V - 5V
Communication Interface	I²C (up to 3.4 MHz) and SPI (4-wire, up to 10 MHz)
Power Consumption	- Sleep Mode: 0.11 μA - Temp/Humidity Measurement (1Hz): 2.2 μA - Standard Gas Scan Mode: 3.1 mA
Measurement Range	- Temperature: -40 °C to +85 °C - Humidity: 0% - 100% r.H. - Pressure: 300 - 1100 hPa - Gas: Supports VOCs, VSCs, etc.
Accuracy	- Temperature: ±0.5 °C (0 - 65°C) - Humidity: ±3% r.H. - Pressure: ±0.5 hPa (300 - 1100 hPa)
Typical Applications	Indoor Air Quality Monitoring, Smart Home, Wearable Devices, Fire Warning, etc.
Pins	GND, VCC, SCK (SCL), SDI (SDA), SDO, CS

Product Overview
The BME690 is a low-power, all-in-one environmental sensor module capable of simultaneously measuring gas (e.g., VOCs, VSCs), pressure, temperature, and humidity. Its compact size and ultra-low power consumption make it particularly suitable for mobile devices, smart home applications, and IoT solutions.

Key Advantages:

1.Multi-functional Integration: Combines gas, temperature, humidity, and pressure detection in a single module, saving space and cost.

2.Low-Power Design: Sleep mode consumes only 0.11 μA, ideal for battery-powered devices.

3.High Accuracy: ±0.5°C (temperature), ±3% (humidity), ±0.5 hPa (pressure).

4.Flexible Interface: Supports I²C and SPI, compatible with mainstream development platforms.

Applications:

Smart Home (air purifiers, HVAC control)
Wearable Devices (health monitoring, breath analysis)
Industrial IoT (leak detection, environmental monitoring)
Consumer Electronics (smartphones, tablets with built-in sensors)

BME680 Sensor Module Specifications Table

Parameter	Specification
Sensor Model	BME680 (Bosch Sensortec)
Functionality	Gas (VOC), Temperature, Humidity, Barometric Pressure
Supply Voltage	3.3V-5V
Power Consumption	- Sleep Mode: 0.15 µA (typical) - Full Operation Mode (1Hz): 3.7 µA (typical) - Gas Sensor Heating: 0.09-12 mA (mode dependent)
Interface	I²C (Address 0x76 or 0x77) and SPI (4-wire)
Measurement Range	- Temperature: -40°C to +85°C - Humidity: 0%-100% RH (non-condensing) - Pressure: 300-1100 hPa - Gas: VOC detection (based on resistance change)
Accuracy	- Temperature: ±1.0°C (0-65°C) - Humidity: ±3% RH (20-80% RH) - Pressure: ±0.12 hPa (700-900 hPa)
Output Data	- Raw Data: Temperature, Humidity, Pressure, Gas Resistance - BSEC Algorithm Output: IAQ (0-500), CO₂ Equivalent, etc.
Response Time	- Gas Sensor: <1s (continuous mode) - Humidity Sensor: ~8s (τ63%)
Operating Temperature	-40°C to +85°C
Typical Applications	Indoor Air Quality Monitoring, Smart Home, IoT Devices, Weather Stations, Wearables
Pins	GND, VCC, SCK (SCL), SDI (SDA), SDO, CS

Product Overview
This module is based on Bosch Sensortec's BME680 all-in-one environmental sensor, integrating gas (VOC), temperature, humidity and barometric pressure measurement capabilities. It is ideal for high-precision environmental monitoring applications. The ultra-low power consumption (only 0.15 µA in sleep mode) makes it particularly suitable for battery-powered devices such as smart home sensors and portable air quality detectors.

Key Advantages

1.Multi-functional Integration: Combines gas, temperature, humidity and pressure detection in a single chip, saving PCB space.

2.Flexible Interface: Supports both I²C and SPI communication, compatible with mainstream microcontrollers (Arduino, ESP32,STM32).

3.Low-Power Design: Ideal for long-term operation in IoT terminal devices.

Application Scenarios
• Indoor air quality monitoring (formaldehyde, VOC detection)
• Smart ventilation system control
• Weather stations and outdoor navigation devices (pressure-assisted positioning)
• Wearable health devices (environmental monitoring for fitness trackers)

Notes
• The gas sensor requires preheating (typical heating time 20-30 ms) for stable data acquisition.

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