Measure water flow accurately in your Arduino, ESP32, Raspberry Pi, and IoT projects! The YF-S201 Water Flow Sensor uses a built-in Hall Effect sensor to generate pulse signals proportional to the water flow rate, making it ideal for water monitoring, smart irrigation, liquid dispensing, and automation systems.

🔹 Features

✅ Flow range: 1 to 30 L/min
✅ Standard 1/2″ pipe connection
✅ Hall Effect pulse output
✅ Easy interface with Arduino, ESP32, STM32, and Raspberry Pi
✅ Low power consumption
✅ High sealing performance and durable construction
✅ Suitable for water dispensers, irrigation systems, and flow monitoring projects

🔹 Specifications

• Model: YF-S201
• Sensor Type: Hall Effect
• Operating Voltage: 5V–18V DC
• Flow Rate: 1–30 L/min
• Output Signal: Pulse (TTL)
• Accuracy: ±10%
• Maximum Water Pressure: 1.75 MPa
• Pulse Rate: Frequency (Hz) = 7.5 × Flow Rate (L/min)
• Pulses per Liter: ~450
• Current Consumption: ≤15mA

📦 Package Includes

• 1 × YF-S201 Water Flow Sensor (1/2 Inch)

🔧 Applications

💧 Water flow monitoring
🌱 Smart irrigation systems
🏠 Home automation projects
🤖 Arduino & ESP32 projects
🥤 Liquid dispensing systems
🚰 Water consumption measurement