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Commission for circuit and/or PCB design

Wanted: Discussion in 'For Sale / Wanted' started by gammzy98, Jan 30, 2019.

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  1. gammzy98


    Aug 7, 2016
  2. BobK


    Jan 5, 2010
    Here, I will save you a lot of money.

    You don't need a PCB. This is better wired point to point.

    S1 is a DPDT switch.
    S2 and S3 are the limit switches. These need to be momentary contact level switches that are normally closed.
    M is the motor.

    It's operation is simple. When S1 is one way, the + of the battery is connected to the top terminal on the motor and the negative is connected to the bottom terminal through limit switch S2.

    When S1 is the other way, the positive of the battery is connected to the bottom of the motor and the negative is connected to the top of the battery when through the limit switch.

    The motor will run in one direction one way and the other direction the other way. The limit switches are placed so that, when the motor hits the end of the desired travel, the limit switch is hit and the connection to the battery is broken.

    Arouse1973, davenn and Harald Kapp like this.
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