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+# Lader TeX package
+_This package permit the creation of simple ladder diagram into TeX documents._
+
+[Example](https://github.com/AurelienC/tex-ladder/blob/master/ladder.pdf)
+
+## Usage
+The code must be inserted between en `tikzpicture` section.
+
+Add the packages :
+    \usepackage{tikz}
+    \usepackage{Ladder}
+
+
+
+### Net
+_All contacts and relays are, by default, added in series_
+* `LadderLine` begin a new ladder net
+* `startParallel` begin a parallel segment
+* `setParallel` begin the new parallel segment
+* `unsetParallel` end of the parallel segment
+
+### Contacts
+* `LadderNO[type]{name}{mnemonic}` a Normally Opened contact 
+* `LadderNC[type]{name}{mnemonic}` a Normaly Closed contact
+_Type may be P (rising edge), N (falling edge)..._
+
+### Relays
+* `LadderB[type]{name}{mnemonic}` a relay
+_Type may be R (reset), S (set)..._