In real life, you connect the YFS201 to a microcontroller’s interrupt pin. The frequency of the square wave determines the flow rate. But in Proteus, there is no built-in YFS201 model . Without a library, you cannot test your code for pulse counting, LCD display updates, or triggering alarms. You would be forced to build the physical circuit first—defeating the purpose of simulation.
: If you are using the potentiometer on the "Test" pin, set the generator frequency in Proteus to match your desired simulated flow (e.g., 75 Hz for 10 L/min ). 4. Running the Simulation yfs201 proteus library exclusive
This guide explores the features of the YF-S201, how to integrate its dedicated library into Proteus, and the mathematical formulas required for accurate flow measurement. 🛠️ Core Features of the YF-S201 Sensor In real life, you connect the YFS201 to