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93 lines
5.0 KiB
Markdown
93 lines
5.0 KiB
Markdown
# chuni-lite
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Slidy air towers for an arcade chuni slider without backplate. Bare minimum docs because I don't expect too many people to have access to chuni cab sliders without backplates.
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Current versions can be found at:
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- CAD: chuni-lite\chunair-cad\airs\print\f1
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- PCB: chuni-lite\chunair\chunair\chunair_v2\v2-1-2 & chuni-lite\chunair\chunair_core\v1
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Note: I swapped the side the pads are on for chunair_core. Oops. Wires will go across the board for now, no biggie. WS2811/WS2812B optional.
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Slider needs:
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- HiLetgo 2pcs DB9 Female Adapter RS232 to Terminal RS232 Serial to Terminal DB9 Connector Convert Adapter https://www.amazon.com/gp/product/B082F873KQ (technically just one)
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- CQRobot 450 Pieces 2.54mm JST-XA JST Connector Kit. 2.54mm Pitch Female Pin Header, JST XA 2/3 / 4 Pin Housing JST Adapter Cable Connector Socket Male and Female, Crimp DIP Kit. https://www.amazon.com/gp/product/B085QMRHK6 (technically just a 3 & 4 pin). 3 pin needed pegs clipped.
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- USB to VGA/RS-232 Male 9 PIN DB9 Serial Cable 2 FT WIN10/8.1/8/7 PERFECT VISION https://www.amazon.com/gp/product/B097Q5D64Q/ (or any other usb to serial cable)
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- 12V 1A PSU minimum with matching female barrel jack that has the screw terminals https://www.amazon.com/gp/product/B091XSVV1Y/
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Air towers need:
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- 1x USB C Pro Micro x1
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- IR LEDs https://www.amazon.com/gp/product/B01BVGIZGC/ and IR Photodiodes https://www.amazon.com/gp/product/B01BVGIZGM (chanzon ones seem pretty high quality) x6 of each(but they come in pack of 100)
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- 150 ohm resistor x6
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- 10k ohm resistor x6
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- some ribbon wire https://www.ebay.com/itm/334199317464 100-Feet Flat Ribbon Cable Grey 50-Conductor 28 AWG Belden 2L28050 008H100
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- 12x2mm magnets https://www.ebay.com/itm/391899288494 x10 (but they come in pack of 100)
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- Rubber Feet https://www.mcmaster.com/8884T21 x4
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- Adhesive Rubber Feet https://www.aliexpress.com/item/1005002618606773.html x4 (but they come in pack of 100)
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- M3 Nuts x18
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- M3x8 x4
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- M4x16 https://www.mcmaster.com/91292A118 x4 (but they come in pack of 100)
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- M3x15 flat head https://www.mcmaster.com/92125A103 x8 (but they come in pack of 100)
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- M3x20 round head https://www.mcmaster.com/94500A266 x6 (but they come in pack of 100)
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- 1 inch hinges https://www.amazon.com/gp/product/B07WJSTNC9 (MroMax 15PCS Door Hinge 1.14" x 0.71" x 0.02" Silver Tone Metal Iron Hinges Brushed Finish Suitable for Door Cabinet Jewelry Case Wooden Box) x2 (but pack of 15) - can try other hinges but holes may not align
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- 3D printed parts + a mirrored set
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- USB C cable
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- Hot Glue & Super Glue
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- Small zip ties x4
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Can hand wire, or replace air_tower_top_1 3D print with chunair pcb. chunair_core PCB also optional, but is there for ease of wiring(find a way to secure the pro micro if you don't use chunair_core)
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Basic steps:
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0. Wire up your slider's 12v and DB9. Crimps recommended. 11" 4 wire recommended for 12v, 9" 3 wire for DB9.
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1. Print parts. Then print a mirrored set. Glue magnets with super glue except for the one on slider which is inserted from the outside - glue that one in with hot glue. Pay attention to the magnetic poles!!
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2. Assemble slider_rail and air_tower with hinge, flat head screws, and nuts and insert into slider (double check orientation)
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3. Glue leds/pds if you are using air_tower_top_1. Wire according to the diagram in "ac chuni/wiring.png". If you have PCB, solder resistors and leds/pds - 10K resistors are marked, the other 3 are 150 ohm resistors. With PCB, recommended wire length is around 30", 9 wires for RGB, 8 for no RGB.
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3a. If you want RGB, add a 3 piece WS2812B LED strip in the middle and solder it up like the picture.
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4. Shove unsoldered end of ribbon cable through the channel.
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5. Screw air_tower_top_2 to the pcb or air_tower_top_1(depending on which you have) using rounded m3 heads while threading through air_tower. Don't forget to put the printed bumper piece on one of the screws.
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6. Solder to Pro Micro or chunair_core pcb depending on what you have. Make sure you slide the slider_rail into the slider first before soldering.
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7. Repeat steps 2-6 for the other side.
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8. Add zip ties to core. Use 4 m3x8 bolts and nuts to mount db9 and chunair_core to core. Press fit 12v barrel connector and hot glue into place.
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9. Thread M4 screws through rubber foot and slider to mount to slider.
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10. Use existing M4 screws on the chunithm slider to mount core. Zip tie down core & power cable
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11. Flash firmware and test to make sure everything works. Then add adhesive rubber feet on each bumper in addition to the bottom of the airs.
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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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