Assess local air quality with this compact TVOC (Total Volatile Organic Compounds) gas sensor from Waveshare, with its ability to detect TVOC, CO (Carbon Dioxide), and CHO (Formaldehyde) concentrations in…
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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, CO (Carbon Dioxide), and CHO (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.
| 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 | -20C ~ 50C |
| Operating humidity | 96%RH | Lifespan | Up to 5 years |
| VCC | 5V power input |
| GND | Ground |
| TXD | UART TX pin |
| RXD | UART RX pin |
| RST | Reset pin (low active) |
| ALM* | Alarm pin |
We offer fast and reliable shipping worldwide. All orders are carefully packaged and shipped within 1–3 business days after payment confirmation.
Standard shipping, expedited shipping and express delivery options are available at checkout. Delivery time depends on your destination country and local logistics.
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