TEC-1

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The TEC-1 was a single-board kit computer produced by the Australian hobbyist electronics magazine Talking Electronics in the early 80's. It was based on the Zilog Z80 CPU, had 2K of RAM and 2K of ROM in a default configuration.

TEC-1 with optional function key and alternate placement for Reset key, capacitor and voltage regulator missing from the PSU circuit at the bottom left
TEC-1 with optional function key and alternate placement for Reset key, capacitor and voltage regulator missing from the PSU circuit at the bottom left

The base configuration had 20 keys for the main input (16 hexadecimal keys for numeric input and keys labelled AD (for address), GO (to execute a program), + and -. There was also a reset key in the standard configuration and an optional upgrade had a function key.

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