Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
| projects:electronics:cardreader [2010/09/18 20:18] – photonicsguy | projects:electronics:cardreader [2014/11/13 10:50] (current) – external edit 127.0.0.1 | ||
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| Line 8: | Line 8: | ||
| 2.7 to 5.5VDC | 2.7 to 5.5VDC | ||
| + | |||
| + | When no card is present all pins are high. | ||
| + | |||
| + | When a card is present pin 5 goes low and remains that way for 140ms after the entire card has been read. | ||
| ==== Pin Information ==== | ==== Pin Information ==== | ||
| Line 23: | Line 27: | ||
| |LOW|1| | |LOW|1| | ||
| - | When no card is present all pins are high. | ||
| - | |||
| - | When a card is present pin 5 goes low and remains that way for 140ms after the entire card has been read. | ||