Those are expensive EEPROMs. You can bring the price down a bit by using:The EEPROM is probably the most expensive single component.
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Part Number, Description, Quantity, Unit Cost, Total
74843,"IC,EEPROM,28C256-15,5V 32kx8,D","5","$12.25","$61.25"
You might be able to omit the MAX232 chip, given the high likelihood of using a usb->serial adapter from a modern computer instead of a true serial port. Just a cost saving idea.
Those are expensive EEPROMs. You can bring the price down a bit by using:
Presuming this hasn't been updated... in the absence of DIPs (and bootstrapping aside), does the card work at multiple baud rates as long as both softwares are configured the same? Or is the current ROM at a fixed baud rate?The guy who created the simple clone omitted the DIP switches, so the port config won’t be a given. He said that he would upload a ROM with a set config, but I don’t see one, yet.
- Alex