Description:
The TVOC Gas Sensor is an efficient tool for air quality assessment, specifically designed for precise measurement of TVOC (Total Volatile Organic Compounds) gas concentration in the environment. It features excellent adaptability and expandability and can be customized according to the specific needs of users.

Features:
• Capable of detecting TVOC Sensor (Total Volatile Organic Compounds), CO₂ (Carbon Dioxide), and CH₂O (Formaldehyde) concentrations in the environment
• Supports UART communication
• High sensitivity, low power consumption, long lifespan, compact size
• Comes with online development resources and manual (examples for Raspberry Pi / Raspberry Pi Pico / Arduino / ESP32)
Specification:
| Item Type: | Gas Sensor |
|---|---|
| Sensor Type | Gas Sensor |
| Operating Voltage (V): | 5 |
| Operating Temperature (°C): | -20℃~50℃ |
| Communication Interface | UART |
| Baud Rate | 115200bps |
| Response Time(s) | < 20 |
| Detection range | 0.1ppm~100ppm |
| Operating Current (mA): | ≤60 |
Package Includes:
• 1 x TVOC Sensor
• 1 x SH1.0 6PIN cable
Technical Specifications
| Brand | WAVESHARE |
|---|---|
| SKU | AI7645 |
| Weight | 0.05 kg |
| Availability | In Stock |
Applications & Use Cases
The Waveshare TVOC (Total Volatile Organic Compounds) Gas Sensor, High Sensitivity, Low Power Consumption, Long Lifespan, Compact Size is a versatile gas and dust sensor used across a wide range of applications including air quality monitoring, gas leak detection, industrial safety, HVAC systems, and environmental monitoring.
Common use cases:
- Building a gas leak alarm for LPG/methane
- Monitoring indoor air quality (CO2, VOC)
- Dust monitoring in a workshop
This product is ideal for environmental engineers, safety professionals, and IoT developers.
Technical Tip: MQ-series sensors need a warm-up period (24-48 hours for first use). Calibrate in clean air for accurate readings.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine WAVESHARE product sourced from authorized channels
Pallavi Vyas (verified owner) –
Good quality Waveshare TVOC Gas Sensor, High Sensitivity,. Flash memory is sufficient for most projects.
Kabir Shetty (verified owner) –
Decent Waveshare TVOC Gas Sensor, High Sensitivity,. Had to install CP2102 drivers but works fine after that.
Abhishek Chatterjee (verified owner) –
Great Waveshare TVOC Gas Sensor, High Sensitivity,. OTA updates work perfectly. Using 5 of these around my house.
Devansh Saxena (verified owner) –
Great Waveshare TVOC Gas Sensor, High Sensitivity,. OTA updates work perfectly. Using 5 of these around my house.
Aarav Sethi (verified owner) –
Perfect for my IoT project. This Waveshare TVOC Gas Sensor, High Sensitivity, has excellent WiFi performance.
Kritika Thakur (verified owner) –
Decent Waveshare TVOC Gas Sensor, High Sensitivity,. Had to install CP2102 drivers but works fine after that.
Yashwant Ghosh –
Great quality Waveshare TVOC Gas Sensor, High Sensitivity,. Flashed with ESPHome and it works beautifully.
Shubham Dhillon –
Good quality Waveshare TVOC Gas Sensor, High Sensitivity,. Flash memory is sufficient for most projects.
Rohan Saini (verified owner) –
Nice Waveshare TVOC Gas Sensor, High Sensitivity, for IoT prototyping. Breadboard compatible which is a plus.
Priya Srivastava (verified owner) –
Excellent Waveshare TVOC Gas Sensor, High Sensitivity,! WiFi connectivity is strong and stable. Perfect for IoT projects.
Chitra Rajan (verified owner) –
Perfect for my IoT project. This Waveshare TVOC Gas Sensor, High Sensitivity, has excellent WiFi performance.
Paras Srivastava (verified owner) –
Excellent for smart home projects. This Waveshare TVOC Gas Sensor, High Sensitivity, connects reliably to my router.
Ashwin Bajaj (verified owner) –
Nice Waveshare TVOC Gas Sensor, High Sensitivity, for IoT prototyping. Breadboard compatible which is a plus.
Vijay Das (verified owner) –
Excellent Waveshare TVOC Gas Sensor, High Sensitivity,! WiFi connectivity is strong and stable. Perfect for IoT projects.
Aisha Singh (verified owner) –
Decent Waveshare TVOC Gas Sensor, High Sensitivity,. Had to install CP2102 drivers but works fine after that.
Aditya Jain (verified owner) –
Great Waveshare TVOC Gas Sensor, High Sensitivity,. OTA updates work perfectly. Using 5 of these around my house.
Ishan Malhotra (verified owner) –
This Waveshare TVOC Gas Sensor, High Sensitivity, is a beast for the price. Running a web server on it with no issues.
Anil Nayak (verified owner) –
Decent Waveshare TVOC Gas Sensor, High Sensitivity,. Had to install CP2102 drivers but works fine after that.
Sandeep Panchal (verified owner) –
Excellent Waveshare TVOC Gas Sensor, High Sensitivity,! WiFi connectivity is strong and stable. Perfect for IoT projects.
Hardik Chopra –
Good Waveshare TVOC Gas Sensor, High Sensitivity,. WiFi works well. Sometimes needs a reset but overall solid.
Naman Rao –
This Waveshare TVOC Gas Sensor, High Sensitivity, is a beast for the price. Running a web server on it with no issues.
Nikhil Bhat (verified owner) –
Outstanding Waveshare TVOC Gas Sensor, High Sensitivity,! Programmed it with Arduino IDE. All features work as documented.
Priya Arora (verified owner) –
Excellent Waveshare TVOC Gas Sensor, High Sensitivity,! WiFi connectivity is strong and stable. Perfect for IoT projects.
Anand Desai (verified owner) –
Excellent for smart home projects. This Waveshare TVOC Gas Sensor, High Sensitivity, connects reliably to my router.
Tanya Ghosh (verified owner) –
Good Waveshare TVOC Gas Sensor, High Sensitivity,. WiFi works well. Sometimes needs a reset but overall solid.
Prashant Singh –
Great Waveshare TVOC Gas Sensor, High Sensitivity,. OTA updates work perfectly. Using 5 of these around my house.
Vidya Vohra –
Superb Waveshare TVOC Gas Sensor, High Sensitivity,! Using it for my weather monitoring station. WiFi range is impressive.
Shivam Hegde (verified owner) –
Perfect for my IoT project. This Waveshare TVOC Gas Sensor, High Sensitivity, has excellent WiFi performance.
Ayush Jain (verified owner) –
Decent Waveshare TVOC Gas Sensor, High Sensitivity,. Had to install CP2102 drivers but works fine after that.
Anjali Rajan (verified owner) –
Perfect for my IoT project. This Waveshare TVOC Gas Sensor, High Sensitivity, has excellent WiFi performance.
Vinay Dhawan (verified owner) –
This Waveshare TVOC Gas Sensor, High Sensitivity, is a beast for the price. Running a web server on it with no issues.
Manish Das –
Nice Waveshare TVOC Gas Sensor, High Sensitivity, for IoT prototyping. Breadboard compatible which is a plus.
Diya Arora (verified owner) –
Great quality Waveshare TVOC Gas Sensor, High Sensitivity,. Flashed with ESPHome and it works beautifully.
Harshit Bhandari (verified owner) –
Superb Waveshare TVOC Gas Sensor, High Sensitivity,! Using it for my weather monitoring station. WiFi range is impressive.
Jatin Mishra (verified owner) –
Outstanding Waveshare TVOC Gas Sensor, High Sensitivity,! Programmed it with Arduino IDE. All features work as documented.
Ishan Nair –
Good quality Waveshare TVOC Gas Sensor, High Sensitivity,. Flash memory is sufficient for most projects.
Amit Iyer (verified owner) –
Outstanding Waveshare TVOC Gas Sensor, High Sensitivity,! Programmed it with Arduino IDE. All features work as documented.
Vidya Desai (verified owner) –
Good Waveshare TVOC Gas Sensor, High Sensitivity,. WiFi works well. Sometimes needs a reset but overall solid.
Prateek Desai (verified owner) –
Okay Waveshare TVOC Gas Sensor, High Sensitivity,. Took time to figure out the pin mapping but functional.
Sahil Choudhury –
Good quality Waveshare TVOC Gas Sensor, High Sensitivity,. Flash memory is sufficient for most projects.
Rashmi Gupta –
Great quality Waveshare TVOC Gas Sensor, High Sensitivity,. Flashed with ESPHome and it works beautifully.