Or use I2C LCD (PCF8574) to save pins.
Based on community experiences, here's a comprehensive troubleshooting reference for YFS201 Proteus library issues. yfs201 proteus library
In Proteus, because the sensor is fundamentally a frequency generator, it can be simulated using a specialized library block or a standard digital signal generator configured to match this mathematical output. How to Find and Install the YF-S201 Proteus Library Or use I2C LCD (PCF8574) to save pins
pulseCount = 0; attachInterrupt(digitalPinToInterrupt(2), pulseCounter, RISING); oldTime = millis(); oldTime = millis()
Click the button at the bottom-left of the Proteus window to begin evaluation.