: Connect the VCC and GND pins. The Test Pin is used to simulate gas levels; apply a logic state (0 or 1) or a potentiometer to vary the output. MQ135 Gas Sensor Simulation in proteus - The Electronics
If the sensor does not show up or the simulation crashes, check the following: mq135 gas sensor library for proteus download upd work
You can find the MQ135 library for Proteus through sites like The Electronics The Engineering Projects The download usually contains three essential file types: : Connect the VCC and GND pins
: Open the downloaded package and extract the contents. You should see three primary file types: .LIB (Library), .IDX (Index), and often a .HEX file for the sensor's internal logic. Locate Proteus Library Folder : mq135 gas sensor library for proteus download upd work