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1  Topics / Home Automation and Networked Objects / Help Required on Auto Water for Plants on: January 24, 2013, 12:54:34 am
Hi Friends,

I have a 3.5V~12V Immersible Water Pump and as per its specifications it works at 60mA to 500mA and a Moisture Sensor for the plants. Both I have purchased from DFRobot.

The Immersible pump product I am talking about is :

The problem I am facing is with powering the pump using the Arduino UNO with any of the digital pins. When I connect it directly to 5V pin it works fine. So I assume its not getting the required power to start the pump.

My Sketch looks as

int sensorPin = A0;  
int sensorValue = 0;  
int pumpPin = 2;
int ledPin = 13;

void setup() {

void loop() {
  // read the value from the sensor:
  sensorValue = analogRead(sensorPin);    
  if (sensorValue >= 500){
    //Start the Pump and the LED

Everything works fine except powering the pump through the DigitalPins. Any suggestions on how to solve this.

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