The YF-S201 is functionally identical to a digital pulse generator controlled by mechanical rotation. Therefore, we can perfectly simulate its behavior in Proteus using a or a Function Generator configured to output 5V square waves. Step-by-Step Schematic Design in Proteus
Pro Tip: During simulation, use a or SPY tool to monitor the output pin of the YFS201. You will see a perfect square wave where: Frequency (Hz) = Flow_Rate_Lpm * 7.5
Once installed, you can find the sensor by clicking the icon and searching for "YF-S201". VCC : Connect to a +5V DC source. GND : Connect to the common circuit ground.
Most standard tutorials tell you to use a "pulse generator" as a substitute. That is like using a brick to simulate a smartphone—it gets the job done for basic counting, but fails at advanced testing. The provides a dedicated model with accurate flow-to-frequency conversion. yfs201 proteus library exclusive
Click the interactive + or - buttons on the YF-S201 component body during operation.
If you want to customize your simulation setup, let me know:
The library automatically handles the
Click the Play button in the lower-left corner of the Proteus workspace.
Test your interrupt routines, timing loops, and debouncing filters before ordering hardware. How to Install the YF-S201 Proteus Library
To use the YF-S201 in your simulation, you need both the files for the component model and the .HEX file for its internal logic. The YF-S201 is functionally identical to a digital
The water flow sensor is not a standard component in the built-in Proteus database. To simulate it, you must either download a specialized third-party library or use standard components to mimic its pulse-based behavior. Finding the Library
: Community-driven collections like the Karan-nevage PROTEUS-LIBRARY often feature these specialized components. Installation Steps
When you click the toggle buttons to change the flow rate, the underlying model dynamically updates its output frequency based on the manufacturer formula ( You will see a perfect square wave where:
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Go to product viewer dialog for this item. Robozar YF-S201 Water Flow Sensor