Red (VCC), Black (GND), Yellow (Pulse Output) 📥 How to Install the YF-S201 Proteus Library Water Sensor Library For Proteus - The Engineering Projects
By counting these pulses over a second, your microcontroller can calculate both the flow rate and the total volume of water passed.
Because Proteus does not include a visual "YF-S201" module in its default pick-device library, you must construct a functional equivalent using standard signal generators. Required Components List
: It allows you to verify your code's pulse-to-liter conversion logic (typically 450 pulses per liter for the YF-S201).
: Open the ZIP folder to find files ending in .LIB , .IDX , and sometimes a .HEX file for the model's logic. Locate the Proteus Library Folder : yf-s201 proteus library
detachInterrupt(digitalPinToInterrupt(2));
// --- OR --- // Alternatively, if you prefer the pulses-per-liter method: // flowRate = (pulseCount * 60) / (interval * 450); // This uses 450 pulses/L, good for totalizing, but the 7.5 formula is correct for L/min.
void setup() Serial.begin(9600); pinMode(2, INPUT); attachInterrupt(digitalPinToInterrupt(2), pulseCounter, RISING);
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Example Arduino code for reading the YF-S201 sensor using interrupts to get flow rate and total volume.
// Frequency = pulseCount (since 1 second) float frequency = pulseCount;
If you are facing any specific errors with your simulation, tell me you are running or the exact error message you see in the simulation log. Share public link
For the YF-S201, this factor is typically , meaning a flow rate of 1 L/min generates a 7.5 Hz output signal (or 450 pulses per liter: 7.5 Hz × 60 seconds = 450 pulses/minute ). In short: Flow Rate (L/min) = Pulse Frequency (Hz) / 7.5 . : Open the ZIP folder to find files ending in
Simulating a water flow sensor in Proteus requires a clever workaround because the software lacks a native, dedicated YF-S201 component. The YF-S201 sensor operates by using a internal magnetic Hall effect sensor that outputs a digital pulse every time the internal turbine spins.
What (Arduino, PIC, ESP32) are you planning to pair with the sensor?
Beyond these, other specifications include an inner diameter of 11 mm, an outer diameter of 20 mm, and ±5% accuracy (for 2-30 L/min flow rates).