Create a 1Mega bytes Flash Card using AT29C040

Building a 1MB Flash card, based on 2x AT29C040 chips, for my Z80 homebrew computer! This project adds 1 megabyte of fast non-volatile storage, massively expanding what my Z80 setup can do. I’ll show the concept, breadboard prototype, PCB design, and final working board. CHAPTERS : 0:00 Introduction 0:18 The Concept 0:36 The Board Design 1:13 Building the Prototype 1:23 Technical details about the AT29C040 2:33 Breadboard Result 3:50 Designing the PCB 4:03 Manufacturing and Soldering the PCB 4:22 The Final Result 4:50 Conclusion Let me know what you think in the comments! If you love retrocomputing and homebrew electronics, don’t forget to like, subscribe, and stay tuned for more Z80 projects. MUSIC : ------- Anime Shangri-La Frontier Opening theme song https://www.youtube.com/watch?v=X_YHXdCcmVc&list=RDX_YHXdCcmVc&index=1&pp=8AUB AMBIANCE : Made using SUNO : https://suno.com SCHEMATIC & ASM PROGRAM: https://www.dropbox.com/scl/fi/83877shumhoj3830kemtp/1Mega_FlashROM_schematics_v1.1.1.pdf?rlkey=aix8c4o0rrzke9rhxbhqkmmem&st=fwhoxys9&dl=0 #z80 #flashrom #flashmemory #memorycard #retrocomputing #homebrew #pcb #8bit #retrotech