Since the Proteus simulation relies on frequency, you need code that measures frequency (pulse counting) to verify your simulation.
Once downloaded, extract the ZIP file. You will look for two essential file extensions: .IDX (Index file) .LIB (Library file) Step 2: Copy Files to the Proteus Directory
| Benefit | Explanation | |---------|-------------| | | No need to buy physical sensors for initial testing | | Rapid prototyping | Test code changes in seconds | | Debugging | View pulse trains, count interrupts virtually | | Education | Safe environment for students learning flow sensors | | Hardware independence | Simulate even when sensor is out of stock | yfs201 proteus library
Water flow measurement is a critical component in many electronics projects, from smart irrigation systems to industrial liquid monitoring. Among the most popular sensors for hobbyists and engineers is the . It’s cheap, reliable, and easy to interface with Arduino.
Design a smart watering system that uses soil moisture feedback to optimize water usage: Since the Proteus simulation relies on frequency, you
Several electronics retailers that sell the physical YFS201 sensor also maintain resources pages where Proteus library files are occasionally shared. When evaluating libraries from these sources, prioritize those that have clear version compatibility information and were uploaded relatively recently.
const int flowSensorPin = 2; // Interrupt pin volatile int pulseCount = 0; float flowRate = 0.0; float totalVolume = 0.0; unsigned long previousMillis = 0; const long interval = 1000; // 1 second sampling interval Among the most popular sensors for hobbyists and
The YFS201 is a physical hardware component. Unlike microcontrollers (like Arduino or PIC), manufacturers of simple sensors do not typically release SPICE models or Proteus library files ( .LIB or .IDX ) for them.
const int sensorPin = 2; // YF-S201 signal connected to Interrupt 0 volatile uint16_t pulseCount = 0; float flowRate = 0.0; unsigned int flowMilliLitres = 0; unsigned long totalMilliLitres = 0; unsigned long oldTime = 0; void pulseCounter() pulseCount++; // Increment pulse count on every interrupt trigger void setup() Serial.begin(9600); pinMode(sensorPin, INPUT_PULLUP); // Trigger the interrupt on a FALLING edge attachInterrupt(digitalPinToInterrupt(sensorPin), pulseCounter, FALLING); oldTime = millis(); void loop() // Execute calculations exactly once per second (1000 milliseconds) if ((millis() - oldTime) > 1000) detachInterrupt(digitalPinToInterrupt(sensorPin)); // Pause interrupt to prevent math calculation errors // Formula: Frequency (pulses/sec) / 7.5 = flow rate in L/min flowRate = ((1000.0 / (millis() - oldTime)) * pulseCount) / 7.5; oldTime = millis(); // Calculate volume passing through during this single window flowMilliLitres = (flowRate / 60) * 1000; totalMilliLitres += flowMilliLitres; // Output results to Proteus Virtual Terminal Serial.print("Flow rate: "); Serial.print(flowRate, 2); Serial.print(" L/min"); Serial.print("\t Total Liquid: "); Serial.print(totalMilliLitres); Serial.println(" mL"); pulseCount = 0; // Reset counter for the next window attachInterrupt(digitalPinToInterrupt(sensorPin), pulseCounter, FALLING); // Re-engage interrupt Use code with caution. Compiling and Loading the Binary