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Help with installing arduino on a rc car

Discussion in 'Microcontrollers, Programming and IoT' started by haggai shapira, Sep 20, 2017.

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  1. haggai shapira

    haggai shapira

    Sep 20, 2017
    hello, extreme newb with electronics here. im trying to hook up my arduino to an RC car that has this circuit (attached photo). following instructions from this link
    my questions:
    1. is the "ground" where it says "V+"?
    2. am i supposed to connect wires from the arduino to where it says R/L/F/B? (cause that doesnt work so far) and if not, where then?

    what ive done so far:
    - tested the arduino for basic functioning (works)
    - removed the receiver from the circuit as appears in the photo and instructed in the link.
    - i tried connecting (by iron soldering) a wire to where it says R and the other side to port 7 (random) in the arduino and configuring it to send a pulse, but it doesnt do anything.

    any sort of help would be appreciated!
  2. haggai shapira

    haggai shapira

    Sep 20, 2017

    Attached Files:

  3. Bluejets


    Oct 5, 2014
    When adding Arduino to another circuit, most times it is common practice to connect the ground wiring in a star arrangement which in most instances would be the V-. (Not the V+)

    A quick glance through some Arduino tutorials would tell you this.

    Without an actual circuit, only other alternative would be for me to trudge through the entire project which I do not intend to do.
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