12V Solenoid Valve - 3/4"

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• • Q

  • How do I connect it to arduino?

    asked by Arnav Raj on June 29, 2016
• • A

  • You can connect it using a single transistor. The current draw of the solenoid will be higher than that a standard transistor can handle, so we recommend using a TIP120 Darlington Transistor.
    
    for more info, refer the following link
    
    http://www.bc-robotics.com/tutorials/controlling-a-solenoid-valve-with-arduino/

• • Q

  • How do I connect three of them to arduino?

    asked by Arnav Raj on July 03, 2016
• • A

  • We can't connect a Solenoid Valve(12V) directly to a Arduino board.Because it consumes around 300mA current.An Arduino pin can source only 5V,40mA(max).
    
    You can either use a transistor that has a current rating more than 300mA(eg:TIP120 NPN transistor) or you can use a ULN2003A IC.The ULN2003A is an array of seven NPN Darlington transistors capable of 500mA.
    
    You can also use a Motor Driver or Relay.

• • Q

  • Is it normally closed valve or normally open valve?

    asked by Arnav Rajesh on July 05, 2016
• • A

  • 12V Solenoid Valve is normally closed