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Hello, i just bought an old monitor from my friend to use with my old hercules card, my question is: does somebody have more info about it?

Hello, i have currently almost built my project, which is a Z80 computer made from scratch on a breadboard with motorola 6850 ACIA with which i have a problem. It is connected to 1.8432 mhz crystal oscillator like the cpu, and i can send data with it from the z80 to the PC terminal, but when i...

Hello, i was wondering if there is a good way to connect a Texas Instruments TI-74 to PC with serial port to send/receive data from it. Can somebody explain how i can make a hexbus to serial adapter for it? Im not very good at electronics, but i know how to solder simple things like cables or...