iButton Reader download

"A stainless steel housing iButtonTM is located within a chip."
indir.biz Editor: My junk in a box I was searching, I saw an old battery, at least looked like a battery. A "iButton" type ID: DS1990A-F4, Dallas emerged that after a close examination.

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After reading the Internet PDF manual, with a Delphi program, I decided to make a small interface that can be read to see if you still iButton. Eh, it works!

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IButton
Stainless steel housing, a chip in a iButtonTM are located. Minimum electrical interface, ie a single data line plus ground reference will be lowered. Energy required for operation "theft of data line (" parasitic power "). A simple and logical function is the serial number DS1990A. This globally unique registration number is common all iButtons.

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All devices for reading and processing a happy 5kohm drop 1-Wire bus for the supply of energy to end up resistor. can free download now iButton Reader.