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TVOC Gas Sensor
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Assess local air quality with this compact TVOC (Total Volatile Organic Compounds) gas sensor from Waveshare, with its ability to detect TVOC, CO₂ (Carbon Dioxide), and CH₂O (Formaldehyde) concentrations in the environment.
The sensor connects to your microcontroller using the included SH1.0 6-pin cable assembly, with female header ends ready to plug into your dev boards' GPIO pins. It operates at 5V, communicates via UART and includes 2mm/M2 mounting holes for securing to your project.
The product wiki includes examples for using this sensor with Raspberry Pi, Pico, Arduino, ESP32-S3 and STM32.
Connection Example
Features
- Detects TVOC (Total Volatile Organic Compounds), CO₂ (Carbon Dioxide) and CH₂O (Formaldehyde) concentrations in the environment
- Supports UART communication
- Operates at 5V
- Includes SH1.0 6-pin cable assembly with female header ends
- 2mm/M2 mounting holes for easy installation
- High sensitivity
- Low power consumption
- Long lifespan
- Compact size
Specifications
| Operating voltage | 5V | Logic level | 3.3V |
| Communication interface | UART | Baud rate | 115200bps |
| Response time | < 20s | Switch-on time | < 120s |
| Detection range | 0.1ppm ~ 100ppm | Refresh rate | 1Hz |
| Dimensions | 27 × 20 × 4.3 (mm) | Mounting hole size | 2.0mm |
| Operating current | ≤60mA | Operating temperature | -20°C ~ 50°C |
| Operating humidity | ≤96%RH | Lifespan | Up to 5 years |
Resources
Pinout
| VCC | 5V power input |
| GND | Ground |
| TXD | UART TX pin |
| RXD | UART RX pin |
| RST | Reset pin (low active) |
| ALM* | Alarm pin |
Package Contents
- 1x TVOC sensor
- 1x SH1.0 6-pin cable
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