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Is there a major difference in the MAX232 models. I see a lot of different model numbers for the 16DIP ICs. We just need the cheapest to interface the 16F*** pics to RS232. I know some of them have multiple drivers but this is not needed.
Its just a 16F628a to the serial port. Could I just replace it with transistors? The MAX is only $1 but cheaper is always better.
maplins cheapest device is a max202. its what i generally use but it doesnt always work in my circuit. i could be doing somthing wrong though