Automatic tea steeper with arduino, motor recommendation

Discussion in 'The Projects Forum' started by poopscoop, May 27, 2013.

  1. poopscoop

    Thread Starter Member

    Dec 12, 2012
    I am looking to build an automatic tea steeper using arduino and some off the shelf parts. I'm in the planning stages currently, and need a recommendation on how to lower and retract the tea basket from the heated water.

    The intent is for the controller to automatically lower the tea into the heated water once it reaches temperature, begin timing (3-8 minutes), and then raise the tea basket.

    What type of motor should I use? Specifically, what type of motor and implementation is best suited for closed loop feedback, so that I can ensure it doesn't lose calibration.

    Simple DC motor, gearset, and limit switches? I'm assuming Arduino will have no trouble changing the direction on the motor.
  2. John P

    AAC Fanatic!

    Oct 14, 2008
    Use a hobby servo. They are self-contained (motor + position feedback) and very inexpensive. People run them with Arduinos all the time.
  3. Bernard

    AAC Fanatic!

    Aug 7, 2008
    A great suggestion, ' was amazed at torque available, 82 oz-in for $ 15 US.