Unzip the downloaded archive to a temporary folder. You should see files with extensions such as:
C:\ProgramData\Labcenter Electronics\Proteus 8 Professional\Data\LIBRARY
If you try to place a component that lacks a valid .LIB‑.IDX pair, Proteus will display errors such as “component not found”, “unknown model”, or “device cannot be placed”. yfs201 proteus library
// YFS201 flow sensor simulation in Proteus // The sensor output is connected to the microcontroller's digital pin 2 // The calibration factor K = 7.5 pulses per litre
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The YFS201 is a Hall Effect water flow sensor. It consists of a plastic valve body, a water rotor, and a Hall Effect sensor. When water flows through the valve, it rotates the rotor. The speed of rotation is proportional to the flow rate.
Typically includes a 3-pin model corresponding to the actual hardware: Red (VCC) , Black (GND) , and Yellow (Signal) . This link or copies made by others cannot be deleted
If you need a more realistic simulation—for example, one that automatically responds to a control signal—you can using Proteus’s modelling tools. This is more involved, but it yields a reusable library part that can be saved, shared, and used in multiple projects.
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: Double-click on your YF-S201 model (or your virtual Pulse Generator) during runtime. Change the frequency properties. Setting the frequency to 37.5 Hz should yield an exact readout of 5.0 L/min on your simulated LCD screen (
In the physical world, the YF-S201 contains a magnetic rotor. As water passes through, the rotor spins, causing a Hall-effect sensor to output a series of digital pulses. The frequency of these pulses corresponds directly to the volumetric flow rate. Physical Sensor Specifications 5V to 18V DC Output Signal: 5V TTL Digital Pulses Flow Rate Range: 1 to 30 Liters/Minute Pulse Frequency Formula: is frequency in Hz, and is flow rate in L/min) How Proteus Simulates the Sensor