DFRobot
Gravity: Alcohol Sensor (0-5ppm)
This is an Arduino compatible alcohol sensor module from DFRobot with a 0-5ppm measuring range, supporting I2C and UART outputs. Aiming at fast and...
This is an Arduino compatible alcohol sensor module from DFRobot with a 0-5ppm measuring range, supporting I2C and UART outputs. Aiming at fast and accurate detection of alcohol gas concentration in the air, the sensor is well applicable to the small alcohol concentration measurement in the breathalyzer, smart vehicle, and so on.
Based on the electrochemistry principle, this alcohol sensor has been calibrated before the factory. It is characterized by strong anti-interference, high stability, and sensitivity and up to 2 years of service life. The module supports 0.01ppm(10ppb) resolution and 3.3~5.5V wide-range voltage input and works well with mainstream controllers like Arduino, ESP32, and Raspberry Pi. With the easy-to-use Gravity interface and the sample program provided by us, you can conveniently build your alcohol concentration detector using this sensor.
Board Overview
SPECIFICATION
- Detected Gas: alcohol
- Interfering Gas: benzene(C6H6), toluene(C7H8), acetic acid(CH3COOH), hydrogen sulfide(H2S), carbon monoxide(CO)
- Operating Voltage: 3.3～5.5V DC
- Power: 0.05W（5V）
- Signal Output: I2C, UART(0~3V)
- Measuring Range: 0~5ppm
- Resolution: ≤0.01ppm（10ppb）
- Preheat Time: ≤3min
- Response Time: ≤60s
- Recover Time: ≤60s
- Operating Temperature: -20～50℃
- Operating Humidity: 15～90%RH (No condense)
- Storage Temperature: 0~25℃
- Service Life: >2 years(In the air)
- Board Dimension: 27mm×37mm/1.06×1.46"
SHIPPING LIST
- Alcohol Sensor module x1
- Gravity-4pin I2C Cable x1
- M3*10 Nylon post x4
- M3*5 Screws x8
Jargon buster
Plain-language definitions for the technical terms used above.
- ESP32
- ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- UART
- UART is a simple serial connection that sends data over separate transmit and receive wires, often labelled TX and RX. It matters because this module is designed to replace a wired UART cable with a wireless link while keeping the same serial data format.
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Brands
Supplier page — dfrobot.com
Supplier Description · 1.4 MB · Click any page to view full size
Related Tutorials
Free guides on learn.littlebird.com.au
