Andy Neil wrote:
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Rob Klein wrote,
"You have to remember that the inputs of an 8051 are digital inputs..."

Some of the variants on the 8051 theme do have on-chip analogue-to-digital converters; for specific details you will, of course, have to read the data sheet for the particular device!


Of course! But I wrote that sentence in reply to the previous post which stated: "...how to read the input from int0 and diplay it on lcd (if the input is 5V diplay must be 5V(for example)).". This seemed to imply that int0 was expected to be an analogue input (but that may just be my mistake :o) ).

Rob.