Version 6
    Retro Gaming Handheld Without a PCB

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    Dave is a big fan of freeform soldering styles and made a tiny skeleton handheld. As the wise Ben Heckendorn said years before, Dave too tells everyone to collect spare LED legs. "Don't throw them away, as they might come in handy one day!" - or they get stuck in your maglock sockets. Here we need them to connect an Attiny85 with some buttons and an I2C display.

     

    Supplemental Content:

     

    Learn more about Charlieplexing here: The Charlieplexing

     

    for more on resistors checkout Karen's The Learning Circuit 17: Resistors

    Bill of Material:

     

    Part

    ATTINY85-20PUATTINY85-20PU

    MICROCHIP1Buy NowBuy Now

    6MM TACT SWITCH

    ALCOSWITCH5Buy NowBuy Now
    SPDT SLIDE SWITCH MFS101D-14-ZNIDEC COPAL ELECTRONICS1Buy NowBuy Now
    MF25 2KMULTICOMP2Buy NowBuy Now
    MF25 3K9MULTICOMP1Buy NowBuy Now
    MF25 8K2MULTICOMP1Buy NowBuy Now
    MF25 18KMULTICOMP1Buy NowBuy Now
    MF25 10KMULTICOMP1Buy NowBuy Now
    S8421-45R -  HOLDERHARWIN1Buy NowBuy Now
    KXG1205KXG1205 -  BuzzerKINGSTATE1Buy NowBuy Now
    IC & Component Socket - DIP8TE CONNECTIVITY1Buy NowBuy Now

     

    Additional Parts:

     

    Product Name

    0.96 inch - I2C OLED display - SSD1306

    2mm single core copper wire 1/2 meter