The complete design, including instructions, KiKad schematic and PCB layout can be found on GitHub
https://github.com/ak15199/trs80-1-psu
This is the case for a replacement power supply for the TRS-80 model 1. The original hardware is increasingly rare and unreliable, being based on a now obsolete and irreplaceable transformer. This modern design is a drop-in replacement.
| Littelfuse_Caddy_Cover.stl | 88.2KB | |
| Power_Supply_Case_Base.stl | 1.4MB | |
| Power_Supply_Case_Lid.stl | 2.9MB | |
| Power_Supply_Case_TRS.stl | 658.5KB |
