[DIY Leverless] Building a Wireless Leverless Controller for Steam & Switch with 100-Yen Store Parts & Key Switches (Complete 5-Part Guide & Index)

This is a one-month record of how I built my dream, fully wireless leverless controller completely from scratch—repurposing a Nintendo Switch controller PCB alongside dollar-store items, Tamiya plastic beams, and external logic IC circuits.

Despite a budget of only around 5,000 yen (approx. $35), this build is packed with millimeter-precise spatial planning and clever, on-the-fly fabrication hacks. Below is a complete breakdown of each build phase—use this index as your launchpad to explore the full DIY process!

• Part 1:Introduction & Parts Selection
• Part 2:Layout Design, Acrylic Cutting & Enclosure Modding
• Part 3:Solderless Brass Tube Crimping & Wireless Board Wiring
• Part 4:Custom Side Buttons & Support Pillar Construction
• Part 5:Circuit Implementation & Final Assembly