(...) From the pink book (rev 3): pp. 2-24,25 "2.4.3 Internal Circuitry - Digital Input-Only Pin ...When the pin current is increased to very high levels (typically more than 100mA, specified limit is 25mA), physical damage can result. [...] As (...) (27 years ago, 26-Aug-97, to lugnet.robotics.handyboard)
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