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  • #170987
    topper-2k
    Participant
    @topper-2k

    Hi folks! Here’s a question from a noob working on his first cabinet build.

    I just got my KL25Z and am brainstorming ideas for how to physically connect my wiring to the board. I don’t plan on using any of the optional shields, just the standard KL25Z.

    I’ve done some basic Arduino and Raspberry Pi projects and am familiar with soldering pins onto a board and I’ve come up with some make-do solutions before. Just thought I’d ask and see how others are doing it.

    Anyone using screw terminals? Crimp pin housings? What are folks doing for these physical connections?

    #171080
    LynnInDenver
    Participant
    @lynnindenver
    Member

    I wound up using pin headers on the KL25Z, running cables with dupont connectors to a set of breakout boards that I terminated in screw terminals. I didn’t bring out all the connectors, just enough for some expansion room.

    Creator of the first PinupPlayer PostDMD mods for VPX - PostDMD for Masters of the Universe VPX and Jaws VPX.
    Head Proprietor of Pisces Pinball, a VPX table developer.
    Lead Technician of MC Chase Amusements, a private arcade in our home basement.

    #171081
    bord
    Moderator
    @bord
    MembervipContributorModerator

    After doing a set of Pinscapes with crimped headers I switched over to screw terminals for my next project. Much prefer the screw terminals, especially because things in a cab always seem to be changing as the project evolves.

    #171102
    topper-2k
    Participant
    @topper-2k

    Thanks! Any pics of your setups? There’s so little room on the KL25Z I’m trying to come up with solutions for the screw terminals that won’t block a bunch of ports.

    I was thinking about using some small pieces of proto/perf board like a makeshift standoff shield.

    #171120
    LynnInDenver
    Participant
    @lynnindenver
    Member

    Here’s a pic from Radiant Silverball’s reassembly process, not all the cabling is installed, but it shows the mounted assembly I made up for the Pinscape setup on the left, the 24V relay system on the right. The green blocks in front of it are the screw terminals, so you can see how I’ve got it set up. I only have a subset of the PWM channels coming out of it – basically one of each board timer, but further LED DOF in the cabinet will probably be done through an LEDWiz.

    The big black block to the left of the Pinscape is the ground bus bar assigned to the Pinscape – it also ties to the ground of the 5V power supply hanging on the left wall of the cabinet that drives the seven front panel lights (Start, Extra Ball, Exit, three Coin Slots, and Launch) to correct for an issue with DOF control I was having. Right now, the 24V relay system has it’s own independent ground. Everything is built for future expandability – I can mount another relay board on the right, there’s room for an LEDWiz in the mix later, etc. The only real constraint is that I’m standardizing on 24V for all relays and solenoids to keep the power needs simplified.

    Creator of the first PinupPlayer PostDMD mods for VPX - PostDMD for Masters of the Universe VPX and Jaws VPX.
    Head Proprietor of Pisces Pinball, a VPX table developer.
    Lead Technician of MC Chase Amusements, a private arcade in our home basement.

    #171122
    topper-2k
    Participant
    @topper-2k

    Here’s a pic from Radiant Silverball’s reassembly process…

    No pic. :(

    #171148
    LynnInDenver
    Participant
    @lynnindenver
    Member

    Gah. Here you go.

    20200308_201159

    Creator of the first PinupPlayer PostDMD mods for VPX - PostDMD for Masters of the Universe VPX and Jaws VPX.
    Head Proprietor of Pisces Pinball, a VPX table developer.
    Lead Technician of MC Chase Amusements, a private arcade in our home basement.

    1 user thanked author for this post.
    #171154
    topper-2k
    Participant
    @topper-2k

    Thanks! How did you make the connections between the KL25Z and screw terminal blocks?

    #171174
    LynnInDenver
    Participant
    @lynnindenver
    Member

    I’m using 2.54mm pitch pin headers on the KL25Z and screw terminal breakout boards, and pre-terminated dupont compatible cables of the same pitch to connect them together.

    Creator of the first PinupPlayer PostDMD mods for VPX - PostDMD for Masters of the Universe VPX and Jaws VPX.
    Head Proprietor of Pisces Pinball, a VPX table developer.
    Lead Technician of MC Chase Amusements, a private arcade in our home basement.

    #171185
    topper-2k
    Participant
    @topper-2k

    “Dupont connectors”!! You just taught me a new term. I had no idea what those were called (I told you I was a noob right?).

    I’ve seen some 2.54mm screw terminals for sale and was considering creating a little standoff out of some proto/perf board. I’m worried that 2.54mm screw terminals will be too small to work with though.

    #171186
    JR
    Participant
    @jfr1
    Member

    Dupont connectors.  Good grief.  Tin the wires and bap them with a Weller solder gun.  I’m just trying to be funny as I have extremely limited soldering abilities.  But…I have a cohort that works for Lincoln Electric that helps out when I need tricky wiring done.  And it’s pretty amazing to see what someone that knows what they’re doing can do.  It’s like artwork.  But, I’m going to learn-up these Dupont …thingy’s.

    #171190
    LynnInDenver
    Participant
    @lynnindenver
    Member

    “Dupont connectors”!! You just taught me a new term. I had no idea what those were called (I told you I was a noob right?).

    I’ve seen some 2.54mm screw terminals for sale and was considering creating a little standoff out of some proto/perf board. I’m worried that 2.54mm screw terminals will be too small to work with though.

    I have to use a jeweler’s screwdriver to work with them, actually. The screws are pretty small.

    Creator of the first PinupPlayer PostDMD mods for VPX - PostDMD for Masters of the Universe VPX and Jaws VPX.
    Head Proprietor of Pisces Pinball, a VPX table developer.
    Lead Technician of MC Chase Amusements, a private arcade in our home basement.

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