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surface mount tantalum caps
The machine looks and runs like new
This convenient kit eliminates the hassle of sourcing and programming individual TRS-80 Model I system ROMs
or MicroUSB ports can be soldered in locally for those to power it
PS/2 keyboard to matrix converter for the Aster CT-80 computer trs-80-model-i surface mount tantalum capsFrom the original developer A recently aquired vintage computer came without the keyboard. As this is a simple 8x8 matrix, and the PS 2 keyboard protocol is supported by the Arduino environment, is should be simple to fix. This solution uses a Arduino Nano to interpret the PS 2 keyboard and convert it to an address for the MT8816 Analog Switch Array having a 16x8 matrix. The required matrix is only 8x8, so a smaller array might also work, but the
