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

4XDC Apple Macintosh SE/30 & SE Power Supply (PSU)
1 Units Available
High-Voltage Warning

The 4XDC Special Edition is our flagship AC-DC power supply designed for the Apple Macintosh SE/30 and SE, built using all-new, modern components. It features q

SKU: TT-PSU-SE-4XDCView Specs & Configure
Macintosh SE/30 & SE Assembled Power Supply Board
Backorder / Waitlist
High-Voltage Warning

Apple Macintosh SE/30 or SE AC-DC Power Supply This is a new Apple Macintosh SE/30 or SE AC-DC power supply board using all-new, modern components. The desi

Macintosh LC Assembled Power Supply Board (TDK)
5 Units Available
High-Voltage Warning

This listing is a new Apple Macintosh LC type AC-DC power supply board using all-new, modern components. It is designed for the TDK 614-0003 for Apple P/N 699-0

SKU: TT-PSU-LC-TDKView Specs & Configure
Apple Desktop Bus ADB II Optical Mouse Retro Board
Backorder / Waitlist

This listing offers a replacement board to stealthily update the second generation Apple ADB II ball mouse with an optical sensor. It uses the original ADB port

SKU: TT-ADB-OPT-M02View Specs & Configure
Apple Desktop Bus (ADB) Optical Mouse Board (MY)
5 Units Available

This listing offers a replacement board to stealthily update your classic ADB wedge ball mouse with an optical sensor. It uses the original ADB port which was i

SKU: TT-ADB-OPT-MYView Specs & Configure
Apple Desktop Bus (ADB) Optical Mouse Retro Board
Backorder / Waitlist

This listing offers a replacement board to stealthily update your classic Apple ADB wedge ball mouse with an optical sensor. It uses the original ADB port which

SKU: TT-ADB-OPT-M01View Specs & Configure
Micro Smartport MicroSD Apple II Drive Emulator
Backorder / Waitlist

This board is a simple disk drive emulator for Apple II Computers, such as the IIGS, IIc, IIc Plus, and other machines that support Smartport drives in ROM or w

SKU: TT-DSK-uSPView Specs & Configure
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