TRS-80 Model I DUAL Switching Power Supply trs-80-model-iii 820-0228-A

820-0228-A

but make sure to use something compatible with the material and paint

Composite Video Mixer for Tandy/Radio Shack TRS-80 Model II/III/4/4P computers

this board adds support for two external floppy drives (which previously only supported two internal drives)

(This was designed by NF6X

TRS-80 Model I DUAL Switching Power Supply trs-80-model-iii 820-0228-AModernize your TRS 80 Model I power with this dual supply upgrade! This custom designed power supply replaces the original TRS 80 Model I power brick, providing power to both the TRS 80 Model I and Expansion Interface simultaneously. Weighing only 10oz (including the wall wart), it runs cool and silently. The compact design fits neatly within the Expansion Interface, with cables precisely sized to reach both power jacks. Experience the ultimate in TRS