Adding the is a straightforward process that drastically improves the development speed for IoT and environmental projects. By following this 2026 updated guide, you can reliably simulate and verify your circuits, ensuring that when you transition to real-world hardware, your project works as expected.
Open Proteus, go to Component Mode (P) , and search for "MQ135". Select it and place it on your workspace. mq135 gas sensor library for proteus download upd work
Place a 100k potentiometer at the AO output. This allows you to manually simulate changing gas concentration during runtime. Adding the is a straightforward process that drastically
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. Select it and place it on your workspace
The is a popular, low-cost semiconductor gas sensor module widely used for detecting harmful gases, including ammonia ( NH3cap N cap H sub 3 ), nitrogen oxides ( NOxcap N cap O sub x ), alcohol, benzene, smoke, and carbon dioxide ( CO2cap C cap O sub 2 ) in air quality monitoring projects.
The most reliable UPD working version is from (now archived but available via Wayback Machine). It includes: