YF-S401 Water Flow Sensor Flowmeter 0.3-6L/min 3.5mm 5VDC White

YF-S401 Water Flow Sensor Flowmeter – Accurate Liquid Flow Measurement for Arduino and IoT Applications

The YF-S401 Water Flow Sensor is designed to measure the flow rate of liquids, particularly water, ranging from 0.3 to 6 liters per minute. It features a 3.5mm pipe diameter and operates at 5V DC, producing pulse output signals proportional to the flow rate.

This sensor is widely used in smart irrigation, water dispensers, liquid monitoring systems, and IoT water management projects across Bangladesh. Compatible with Arduino, ESP32, and other microcontrollers, it enables precise real-time flow measurement and control.

Key Features:

• Flow Rate Range: 0.3 to 6 L/min

• Pipe Diameter: 3.5mm

• Operating Voltage: 5V DC

• Pulse output for flow rate measurement

• Compact and lightweight design

• Easy to integrate with Arduino and ESP boards

• Durable plastic housing with rotor

Applications:

• Water flow monitoring and control

• Smart irrigation systems

• Liquid dispensing and automation

• IoT water usage tracking

• Educational and DIY projects in Bangladesh

The YF-S401 flow sensor is a reliable and cost-effective solution for integrating liquid flow measurement into your embedded and IoT systems.