Once downloaded, follow these exact steps. We assume Proteus 8.9 or later, but the process is similar for version 7+.
MQ135 Gas Sensor Library for Proteus: Download & Updated Working Guide (2026)
on this pin to simulate the presence of gas (High = Gas detected, Low = Clean air). Do you need help with a specific Arduino code snippet to interface with this sensor in your simulation? MQ135 Gas Sensor Simulation in proteus - The Electronics mq135 gas sensor library for proteus download upd work
The is a custom library package ( .lib and .idx files) that adds the component model for the MQ135 sensor into the Proteus component library. It typically includes: A Component Model: Visual representation of the sensor.
. Since the MQ135 is not a built-in component in standard Proteus installations, you must download and add an external library to use it in your schematic designs. Once downloaded, follow these exact steps
Click the button (Pick Devices) to open the library search tool. Type MQ135 into the keywords box.
: Provides a specific MQ135 Gas Sensor Simulation library with a direct download link to a GitHub repository. Do you need help with a specific Arduino
This article provides a complete, verified solution. We will cover:
The MQ135 gas sensor is a popular choice for monitoring air quality, detecting harmful gases like ammonia, benzene, alcohol, smoke, and carbon dioxide. However, the standard Proteus Design Suite library does not include this sensor by default. To simulate air quality control or pollution tracking systems, you must manually download and install a third-party simulation model. Step 1: Download the MQ135 Library Files