- Category:
- Parallel Port
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- 114kb
- Update:
- 2013-05-21
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- 常工
Description: The principle of IC telephone card details the hardware structure of the various types of IC phone card, read and write timing, data storage format attached via the computer parallel port (printer port) to operate the IC telephone card read/write circuit, and the corresponding list of routine circuit elements: resistance 7 NPN transistor 1, PNP transistor, 1N4148 diode 13, such as IC card connector can be directly soldered to the contacts.
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IC电话卡读写详解.pdf
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