Water Flow Sensor 1/8" SKU SEN0216
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SEN0216 (pdf) |
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Water Flow Sensor 1/8" SKU SEN0216 Contents • 1 Introduction • 2 Specification • 3 Board Overview • 4 Tutorial Requirements Connection Diagram Sample Code • 5 FAQ Introduction The Water Flow sensor measures the rate of a liquid flowing through it. The YF-S401 water flow sensor consists of a plastic valve body, flow rotor and hall effect sensor. It is usually used at the inlet end to detect the amount of flow. When liquid flows through the sensor, a magnetic rotor will rotate and the rate of rotation will vary with the rate of flow. The hall effect sensor will then output a pulse width signal. Connect it to a microcontroller and you can monitor multiple devices such as your coffee maker, sprinkler or anything else, and control the water flow rate to suit your needs! • A 6 mm hose is recommended • Avoid unit contact with corrosive chemicals • The unit must be installed vertically, tilted no more than 5 degrees • Liquid temperature should be less than 120 C to avoid damage to unit Specification • Inner Diameter 4 mm • Outside diameter 7 mm • Proof Water Pressure MPa • Water Flow Range L/min • Voltage Range 5~12 V • Operating Current 15 mA DC 5V • Insulation Resistance >100 • Accuracy ±5% 0.3-3L/min • The Output Pulse High Level VDC DC input voltage 5 V • The Output Pulse Low Level VDC DC input voltage 5 V • Output Pulse Duty Ratio 50% ± 10% • Water-flow Formula 1L = 5880 square waves • Working Humidity Range 35% ~ 90% RH no frost • Dimension 58*35*26 mm/2.28*1.37*1.02 inches • Weight 30g Board Overview Pulse Signal Number Color Name Description 1 Green Signal Pulse Signal 2 Red VCC 5~12V 3 Black GND Tutorial In this Tutorial, we'll measure liquid flow using this sensor. Requirements Hardware DFRduino UNO R3 Water flow sensor Jumper Wires Software Arduino IDE, Click to Download Arduino IDE from Connection Diagram Sample Code 1 2 This example reads Water flow sensor. 3 4 Created 2016-3-13 5 By berinie Chen 6 7 GNU Lesser General Public License. 8 See for details. 9 All above must be included in any redistribution 10 11 12 /***********Notice and Trouble shooting*************** 13 1.Connection and Diagram can be found here 14 2.This code is tested on Arduino Uno. 15 16 volatile double waterFlow 17 void setup 18 Serial.begin 9600 //baudrate 19 waterFlow = 0 20 attachInterrupt 0, pulse, RISING //DIGITAL Pin 2 Interrupt 0 21 22 void loop 23 Serial.print "waterFlow:" 24 Serial.print waterFlow 25 Serial.println " L" 26 delay 500 27 28 29 void pulse //measure the quantity of square wave 30 31 waterFlow += / 32 For any questions, advice or cool ideas to share, please visit the DFRobot Forum. Powered By DFRobot 2008-2017 |
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