Description

F-S201 Water Flow Sensor – 1–30 L/min, G1/2″, Hall Effect Flow Meter for Arduino, Raspberry Pi & Automation Projects

💧 Accurate Real-Time Liquid Flow Monitoring for DIY & Industrial Use

The YF-S201 is a high-precision water flow sensor designed to measure flow rates between 1–30 L/min, ideal for smart irrigation, water-saving systems, and automation projects. It features a built-in hall-effect sensor that outputs digital pulse signals based on flow rate, making it easy to integrate with Arduino, Raspberry Pi, and other microcontrollers.

Built for reliability, the sensor includes durable plastic housing, brass thread fittings, and a standard G1/2″ port, ensuring secure and leak-free installation in any setup.

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🔧 Key Features:

• Real-Time Flow Monitoring: Measures 1–30 L/min with stable digital output.
• Hall-Effect Sensor: Internal turbine generates accurate pulse signals.
• Wide Voltage Support: Operates on 5V to 24V DC.
• Easy Microcontroller Integration: Perfect for Arduino, Raspberry Pi, etc.
• Rugged & Reliable Build: Durable body and brass G1/2″ threads for long-term use.

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📊 Technical Specs:

• Flow Range: 1–30 L/min
• Voltage: 5V–24V DC
• Output Signal: Square wave (digital pulse)
• Pulse Rate: ~450 Hz @ 1 L/min
• Max Pressure: 1.75 MPa
• Port Thread: G1/2″ (female)
• Size: 62mm x 45mm x 40mm

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💡 Ideal Applications:

• 🌿 Smart Irrigation Systems – Monitor water flow efficiently.
• 🚿 Home Water Monitoring – Use in filters or softeners for usage tracking.
• 🏭 Industrial Automation – Integrate into pipelines or machinery.
• 🔬 DIY Electronics – Build flow meters, leak detectors, or water counters.

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🔌 Wiring Guide:

• Red: VCC (5V–24V)
• Black: GND
• Yellow: Pulse Output (to microcontroller input)

Flow Rate Formula:
L/min ≈ Pulse Frequency ÷ 7.5

Use code with polling or interrupts to read accurate flow values. A mesh filter is recommended to protect the turbine from debris.

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📦 Package Includes:

• 1× YF-S201 Water Flow Sensor (G1/2″ threaded)

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Choose the YF-S201 for reliable, accurate, and easy-to-use water flow monitoring in all your smart systems. Perfect for makers, hobbyists, and engineers looking for dependable flow sensing.