2 layers45.2 × 59.8 mm
Vga
silvervest/arcade
This is a collection of circuits that I designed and built in order to build my own arcade machine.
30 parts1CERN-OHL-S-2.0
2 layers107.2 × 102 mm
Stick
silvervest/arcade1This is a collection of circuits that I designed and built in order to build my own arcade machine.
- Size
- 107.2 × 102 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 19
- Nets
- 68
- Pads
- 205
- Tracks, vias
- 241, 7
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 10 Jun 2024
- Updated
- 1 Aug 2024
Overview
Stick is an open-source printed circuit board by silvervest, from the silvervest/arcade repository on GitHub, published under the CERN-OHL-S-2.0 licence. It is a 2-layer board of 107.2 × 102 mm with 19 parts on 68 nets, routed with 241 tracks and 7 vias.
Its parts include 4 resistors, 4 connectors, 3 ICs and 2 capacitors. It belongs with the RP2040 boards of this library.
README
README.mdArcade machine
This is a collection of circuits that I designed and built in order to build my own arcade machine.
I probably could have picked up off-the-shelf items for any and all of these, but I wanted to make my own for fun.
Stick
Takes the joystick and buttons inputs and emulates two gamepads over USB. Each gamepad supports 16 buttons, which allows for four directionals and 12 actions per "player". The two players are provided by I2C I/O expanders.
The spare GPIO on the Pi Pico are expanded out as well, in case I'd like to use them later for something else.
PSX
One of the goals of my machine was to support lightgun games, and I decided I wanted to use the existing Namco Guncon lightguns I already had. So this does that.
It also provides an additional 16 GPIO, for whatever else might take my fancy. With this and the spare GPIO above in the Stick, I could theoretically make a 4 player cabinet!
VGA to RGB
Driving my arcade cabinet is a regular PC running Batocera, and I am using VGA output. The CRT I'm using can be modded to support RGB, and this board handles that stuff, plus converting the h+v sync signals from VGA into csync for the TV to handle.
The TV I used also has a quirk where it disables RGB blanking via "software" at startup, so this board's Pi Pico can interface with the i2c bus onboard the TV and send the commands to re-enable RGB blanking when ready, and I also made the Pico control RGB blanking, so we can make sure we don't enable blanking before the computer is booted to make sure we don't send a 30khz signal and damage anything...
License
All PCB designs are CERN OHL v2 Strongly Reciprocal licensed
All Software is MIT licensed
Copyright 2024 silvestron's bits and bytes
Parts
19| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10k | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R4 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3mm_Pad | H1, H2, H3, H4 |
| 2 | 100nF | Capacitor_SMD:C_0805_2012Metric | C1, C2 |
| 2 | PCF8575DWR | Package_SO:SOIC-24W_7.5x15.4mm_P1.27mm | U2, U3 |
| 1 | Accessory | TerminalBlock_Altech:Altech_AK100_1x16_P5.00mm | J3 |
| 1 | I2C | TerminalBlock_Altech:Altech_AK100_1x03_P5.00mm | J4 |
| 1 | LOGO | KiCad Components:sbab-logo-20x6mm | G*** |
| 1 | Pico | KiCad Components:RPi_Pico_SMD_TH | U1 |
| 1 | Player 1 | TerminalBlock_Altech:Altech_AK100_1x16_P5.00mm | J1 |
| 1 | Player 2 | TerminalBlock_Altech:Altech_AK100_1x16_P5.00mm | J2 |
The 18 most common of 19 parts.
Questions
How big is the Stick PCB?
It measures 107.2 × 102 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Stick use?
19 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Stick KiCad files?
From the silvervest/arcade repository on GitHub, at the commit this page was made from: the board is stick/stick.kicad_pcb and its schematic psx/psx.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Stick design in my own project?
Its repository publishes it under the CERN-OHL-S-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
More from silvervest/arcade
2- 2 layers97.3 × 64.8 mm
Psx
silvervest/arcade
This is a collection of circuits that I designed and built in order to build my own arcade machine.
15 parts1CERN-OHL-S-2.0
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