12V Motor / Solenoid Circuit

Discussion in 'The Projects Forum' started by kmatz, Mar 15, 2010.

  1. kmatz

    Thread Starter New Member

    Mar 15, 2010
    2
    0
    Hi All,

    I'm new to the forum, but from reading through posts i can tell there is a lot of knowledge here.

    Pretty simple problem:
    School project, using a 12V battery to operate a small motor and a valve's solenoid. I think I've got the circuit, but am not positive... (see diagram).[​IMG]
    Does this make sense? Are there any other considerations i should add?

    Also trying to make a cheap battery charger for this... i have an ac-dc converter, and a cig lighter battery charger... will these do the trick?

    Thanks in advance for your advice.
     
  2. Bernard

    AAC Fanatic!

    Aug 7, 2008
    4,172
    397
    Looks workable; R1~ 47 ohms @ 1/2 W, snubber in parallel with SOL1- 62 ohms ,1/2 W, in series with .1uF; maybe diode in parallel with CR1, cathode toward +.
     
    kmatz likes this.
  3. kmatz

    Thread Starter New Member

    Mar 15, 2010
    2
    0
    Awesome, thanks for your help!
     
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