Yf-s201 Proteus Library Link

Save the symbol package.

This model simulates the sensor's output: a square wave whose frequency increases with flow rate.

Use a 3-pin header or Molex connector:

In the Properties tab, add:

Once you have validated your code using the YF-S201 Proteus library, you must transition to real hardware. Here are pro tips:

Circuit:

Arduino Code (Upload to Proteus .HEX):

volatile int pulseCount = 0;
float flowRate = 0.0;
float totalLiters = 0.0;
unsigned long oldTime = 0;
void pulseCounter() 
pulseCount++;

void setup() 
Serial.begin(9600);
pinMode(2, INPUT_PULLUP);
attachInterrupt(digitalPinToInterrupt(2), pulseCounter, RISING);
oldTime = millis();

void loop() 
if (millis() - oldTime >= 1000) 
detachInterrupt(digitalPinToInterrupt(2));
// Frequency = pulseCount (since 1 second)
float frequency = pulseCount;
// YF-S201 Formula: Flow (L/min) = Frequency / 7.5
flowRate = frequency / 7.5;
// Total volume
totalLiters += flowRate / 60.0;
Serial.print("Freq: "); Serial.print(frequency); Serial.print(" Hz\t");
Serial.print("Flow: "); Serial.print(flowRate); Serial.println(" L/min");
Serial.print("Total: "); Serial.print(totalLiters); Serial.println(" Liters");
pulseCount = 0;
oldTime = millis();
attachInterrupt(digitalPinToInterrupt(2), pulseCounter, RISING);

This guide provides a basic overview. The specifics might vary based on your exact requirements, sensor calibration, and Proteus library details.

The YF-S201 Proteus library is a specialized simulation tool that allows engineers and hobbyists to model water flow measurement systems without physical hardware. By integrating this library into the Proteus Design Suite, you can simulate a Hall-effect water flow sensor and verify your firmware's ability to calculate flow rates and total volume. Core Features and Working Principle

The YF-S201 sensor typically consists of a plastic valve body, a water rotor, and a Hall-effect sensor.

Operating Mechanism: When water flows through the sensor, it spins the internal magnetic rotor.

Pulse Generation: The Hall-effect sensor generates an electrical pulse for every revolution of the rotor. yf-s201 proteus library

Calibration: For standard YF-S201 sensors, the output frequency formula is approximately , where is the pulse frequency (Hz) and is the flow rate in liters per minute (L/min). How to Install the YF-S201 Proteus Library

To add the YF-S201 sensor to your Proteus component list, follow these steps: Water Sensor Library For Proteus - The Engineering Projects

No. No one has released a verified, dynamic, ready-to-download Proteus library for YF-S201 as of 2025. The sensor's output depends on physical water flow, which Proteus cannot simulate natively.

Your best options:

Did this help you? If you managed to build a working simulation, share your .pdsprj file in the comments! For more Proteus tips, check my profile. Save the symbol package

#Proteus #YFS201 #WaterFlowSensor #ArduinoSimulation #EmbeddedSystems

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Yf-s201 Proteus Library Link