Addons published, most of those to be inserted in the expansion connector, so one at a time.
The crystal oscillator gice the TEC-1 a real crystal fixed clock.
8×8 matrix
Crystal oscillator
EPROM burner
Input Output module
NVRAM
Printer plotter
RAM stack
Relay board
Speech module
TEC Power supply
The DAT board
See also:
John Bell PN 80-Z80
Z80 Microcomputer PN 80-Z80 PCB images by Gledn Deas, thanks!
Z80 Microcomputer PN 80-Z80 PCB images by Gledn Deas, thanks!
PC Tools
Updated December 2020, Linux compilation checked, bugs fixed, online program for comverting binary to wave file. To a...
Updated December 2020, Linux compilation checked, bugs fixed, online program for comverting binary to wave file. To a...
My retro toolchain
About my toolchains for retro computing. Tools are very personal choice, what works for me. I use Windows (11 now) a...
About my toolchains for retro computing. Tools are very personal choice, what works for me. I use Windows (11 now) a...
Micro-Professor MPF-1B
A Z80 based SBC. Perfect trainer. In very good condition, with Tiny Basic built-in. Complete in original box, Monitor so...
A Z80 based SBC. Perfect trainer. In very good condition, with Tiny Basic built-in. Complete in original box, Monitor so...