A Winsen gas sensor used to detect gas leaks like carbon monoxide, alcohol, or methane. It is used for gas detection.
Description:
This sensor detects particles of a particular substance in the air.
How It Works:
This device detects the presence of a gas in an environment by measuring the electrical properties of the air.
Connect It:
This device has six wire leads. Power the heater by connecting +5V to either H1 or H2, and ground to the other. The resistance between A and B changes with the amount of gas detected. Connect one side of your detection circuit to A1 or A2, and the other to B1 or B2.
How It Is Used:
Select the device during simulation to show a cloud representing gas concentration. Slide the target to change the simulated gas level.
Get Started:
Select the device during simulation to show a cloud representing gas concentration. Slide the target to change the simulated gas level.
More About Gas Sensor
To add a Gas Sensor in Tinkercad, search for "Gas Sensor" in the component library, drag it onto your breadboard, and connect its terminals with wires to other components in your circuit. You can then click on the Gas Sensor to set its name for easy identification.
Gas sensors are critical safety and environmental monitoring components, with the main types being Semiconductor/Metal Oxide (MOS), Electrochemical, and Non-Dispersive Infrared (NDIR). A popular example, the MOS type (like the MQ series), uses a tin dioxide (SnO2) sensing layer and an internal heater coil (typically Nickel-Chromium alloy) to operate, drawing a power rating (heating consumption) of under 800 mW (milliwatts).General specifications often include a Circuit Voltage (VC) of 5V (volts), a Heating Voltage (VH) of 5V, and a corresponding Heating Current (IH) up to 120 mA (milliamperes). The sensors' detection range—their working range—is measured in parts-per-million (ppm), with common ranges like 10 to 10,000 ppm for gases such as Methane (CH4), Carbon Monoxide (CO), or LPG, indicating the volume ratio of the gas in the air.
Newark Electronics – Ultimate Guide to Gas Sensor Technologies Website Title: Newark Electronics
Website Page URL: https://www.newark.com/decoding-gas-sensors-ultimate-guide-to-cutting-edge-gas-sensors-technologies-sg
URL recommended for (Reason): A comprehensive overview of various gas-sensing technologies, including principles of operation (LEL, ppm, volume %), advantages, disadvantages, and the impact of environmental factors like temperature and humidity.
Asahi Kasei Microdevices (AKM) – Gas Sensors Types and Mechanism
Website Title: Asahi Kasei Microdevices (AKM)
Website Page URL: https://www.akm.com/global/en/products/co2-sensor/tutorial/types-mechanism/
URL recommended for (Reason): Provides a focused, technical comparison of the NDIR, Semiconductor, and Electrochemical methods, detailing the underlying principle, precision, and application for each type of gas sensor.
Circuit Digest – A Comprehensive Guide to Gas Sensors
Website Title: Circuit Digest
Website Page URL: https://circuitdigest.medium.com/a-comprehensive-guide-to-gas-sensors-types-construction-and-applications-72fc5e59b74a
URL recommended for (Reason): Offers a detailed breakdown of multiple sensor types (including PID, Catalytic, and Thermal Conductivity) along with the construction and working principle of common MQ-series (semiconductor) gas sensors.
Instructables – Interfacing Gas Sensor With Arduino
Website Title: Instructables
Website Page URL: https://www.instructables.com/Interfacing-Gas-Senslr-With-Arduino/
URL recommended for (Reason): A practical, step-by-step tutorial on interfacing a standard MQ-series gas sensor with an Arduino, including the circuit diagram, components list, and the necessary code.
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…till next post, bye-bye & take care.
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