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projects:electronics:cardreader [2010/09/18 20:18]
photonicsguy
projects:electronics:cardreader [2014/11/13 10:50] (current)
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. 
  
 
projects/electronics/cardreader.txt ยท Last modified: 2014/11/13 10:50 (external edit)
 
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