void loop() current_time = millis(); if(current_time >= (cloop_time + 1000)) cloop_time = current_time; // Formula: (Frequency * 60) / 7.5 = Liters per minute liters_per_minute = (flow_frequency * 60) / 7.5; flow_frequency = 0;
The library package often contains only the schematic symbol and simulation model. You must create or assign a PCB footprint (e.g., HDR1X3) manually for board layout. yfs201 proteus library
But there's a persistent challenge: Proteus, despite its vast component database, doesn't include every sensor on the market. The YFS201 (more commonly known as YF-S201) Hall Effect water flow sensor is a perfect example. This sensor is remarkably popular in real-world projects—from irrigation controllers and beverage dispensers to automatic water meters and industrial IoT systems—yet it's conspicuously absent from Proteus's default library. The YFS201 (more commonly known as YF-S201) Hall