Connecting Arcade Buttons to Raspberry Pi GPIO Pins — cuddleburrito
Arcade Button and Switch Quick-Connect Wires - 0.187 (10-pack) : ID 3835 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Adafruit Arcade/Button Quick-Connect Wire Pair - Set of 10 pairs
Amazon.com: Arcity 2 Pcs Arcade Cable Wire LED Button Power Cable Daisy Chain 0.250 Inch /6.3mm Terminals Jumper Wire Harness Lighted Up 20 LED Arcade Buttons for USB Encoder, MAME, Arcade1Up, Raspberry
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Zero Delay USB Encoder Jumper Wires Terminals Size 0.187 Compatible Wi — DIY Retro Arcade
Wiring & Power - Paradise Arcade Shop
LED Button Wiring Harness (.250in/6.3mm)
Power Wiring Harness Up To 32 Arcade Led Lighted Buttons w/5.5x2.1mm Connector — DIY Retro Arcade
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Adafruit Arcade/Button Quick-Connect Wire Pair - Set of 10 pairs