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“Retro clock with seven segment display, WDC65C02 microprocessor and SP0256 voice synthesis chip. Few years ago I began my experiments with retro microprocessors. Their eventual result was a design of board consisting WDC65C02 CPU, EPROM, static RAM chip and couple …
“Previously I had introduced simple raspberry pi (Hereinafter as RPI) operational status indicator circuit. This time, Ill explain some more useful indicator circuit for RPI running as headless (without monitor) manner. The circuit above shows CPU temperature into 4 different …
“A simple 8-bit micro-processor using mostly discrete logic chips. This project is mostly based on the 8-bit Breadboard computer by Ben Eater Banner Specs ~400 Hz Clock 8-bit Data Bus 16-bit Control Word 5 Microsteps per Instruction 16 byte RAM …
“I built a programmable 8-bit computer from scratch on breadboards using only simple logic gates. I documented the whole project in a series of YouTube videos and on this web site. “
“To start with, ROMs come in a few different varieties. The most well known are EPROMs. These are ICs with a quartz window on the top, through which you can see the storage array on the silicon. This window is …