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    Wampo
    May 22, 2019
    Edited: May 24, 2019

    Mainboard for AR2

    in Robot Builds

    Hy everyone,


    iam working on a nice clean Electrical Enclosure for my AR2.

    This week i decided to make my own custom Mainboard for the Enclosure.

    I would make the PCB in Matte Black. It looks very nice with the White Silkscreen.


    Here are my Specs from this PCB-Version 1.0.4:

    • Added a 24V (up to 1Amp) Fan Molex Pin, a little Script on the Raspberry would manage the Speed over the Dallas Temperaturesensor

    • Connection for a WS2812b LED Strip (or Single LED), for Statuslight, a Jumper to choose LED Signalinput from AtMega or Pi

    • 6 Inputs over Optocouppler (but with common Ground), for 24V Sensors

    • a AtMega 2560-16AU µ-Controller (like Arduino MEGA)

    • Disconnectable Raspberry Zero W over a Header (Flat or in 90° Angled)

    • Networkconnector for the Limitswitches

    • Connector for a 8 Channel Relayboard

    • Outputs with Screwterminals for the Stepperdrivercards incl. External Track and 5V out

    • PCB Size: 100 mm x 150 mm (could be smaler in final Version), Double Layer


    Here is a preview from the Mainboard, its not ready at the moment.


    Mainboard for AR2 Robot Preview



    You got any ideas or optimizes whats make this PCB better and nicer?

    Please tell me here in the Comments. Finaly the PCB is not at the Manufacture. You can create this Mainboard with me. ☺

    Also in the future i will sell these Boards if they are ready and tested.