Another thing!i found at the sunday used market 18 z80 and a 4004 for 5 euros!.What can i do with them?

Im italian,so mouser makes the expedition 67 euros....same thing for jameco....where can i buy at an affordable price for europe?

Just tried.Nothing changes.Can you try yourself please?

Thank you all! I am using this guide https://www.instructables.com/id/6502-M ... uino-MEGA/

I hard wired the resistors but whet it reads returns 0

Hello to everyone!Im new to microprocessors ,but i want to make Ben Eater's computer.The problem is that from ebay it is arrived an r65sc02p-1 . I tried it with arduino (like Ben did) but it reads only 0 even if i hard wire with resistors ea.It spits 0 everywhere.Can i still make it?If yes what ...