TT Design Studio
TT Design StudioNiche Electronics
Hardware Engineering & Vintage Computing Upgrades
Independent Hardware Engineering Studio

Hardware for Vintage Workstations

Designed, bench-tested, and built in California.

Modern Steady Power
Increased Power for Upgrades
100% Drop-In Retrofit
DIY friendly and stays true to the original hardware
Bench-Tested
Individually tested proven designs

📦Available Studio Hardware & DIY Kits

Limited handcrafted assembly runs • Configured to order with tracked worldwide delivery

Filtered:DIY PCB Upgrade KitsClear Filter
Apple Macintosh II and IIx Battery Board
5 Units Available

Treat your Apple Macintosh II or IIx logic board to a new replica Apple battery board. The item is a replica of the official Apple replacement part that addres

DIY Macintosh SE/30 & SE AC-DC Power Supply Board
Backorder / Waitlist
High-Voltage Warning

DIY Power Supply Board This custom-designed PCB lets you build your very own Apple Macintosh SE/30 or SE AC-DC power supply using all-new, modern components.

SKU: TT-PSU-SE-DIYView Specs & Configure