diff --git a/.gitignore b/.gitignore
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index 0000000000000000000000000000000000000000..d874512fa7ff4955182ddb03dddfdd4d7d64a4a4
--- /dev/null
+++ b/.gitignore
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+*.s#*
+*.l#*
+*.b#*
+
diff --git a/1A_LED_DRIVER/1A_driver.brd b/1A_LED_DRIVER/1A_driver.brd
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index 0000000000000000000000000000000000000000..36aa2ec9a42b270995fc39069f9915a0fbc4bca1
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+<b>PW (R-PDSO-G8)</b><p>
+Source: http://focus.ti.com/lit/ds/symlink/ads1271.pdf
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+>NAME
+>VALUE
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+<b>EAGLE Design Rules</b>
+<p>
+Die Standard-Design-Rules sind so gewählt, dass sie für
+die meisten Anwendungen passen. Sollte ihre Platine
+besondere Anforderungen haben, treffen Sie die erforderlichen
+Einstellungen hier und speichern die Design Rules unter
+einem neuen Namen ab.
+<b>EAGLE Design Rules</b>
+<p>
+The default Design Rules have been set to cover
+a wide range of applications. Your particular design
+may have different requirements, so please make the
+necessary adjustments and save your customized
+design rules under a new name.
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diff --git a/1A_LED_DRIVER/1A_driver.sch b/1A_LED_DRIVER/1A_driver.sch
new file mode 100644
index 0000000000000000000000000000000000000000..6a9503fca76bdf41f99de6df830c411742feb999
--- /dev/null
+++ b/1A_LED_DRIVER/1A_driver.sch
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+<b>Frames for Sheet and Layout</b>
+
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+>DRAWING_NAME
+>LAST_DATE_TIME
+>SHEET
+Sheet:
+
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+
+<b>FRAME</b><p>
+DIN A3, landscape with location and doc. field
+
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+<b>PW (R-PDSO-G8)</b><p>
+Source: http://focus.ti.com/lit/ds/symlink/ads1271.pdf
+
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+>NAME
+>VALUE
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+>NAME
+>VALUE
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+
+<b>Supply Symbols</b><p>
+GND, VCC, 0V, +5V, -5V, etc.<p>
+Please keep in mind, that these devices are necessary for the
+automatic wiring of the supply signals.<p>
+The pin name defined in the symbol is identical to the net which is to be wired automatically.<p>
+In this library the device names are the same as the pin names of the symbols, therefore the correct signal names appear next to the supply symbols in the schematic.<p>
+<author>Created by librarian@cadsoft.de</author>
+
+
+
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+>VALUE
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+<b>SUPPLY SYMBOL</b>
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diff --git a/1A_LED_DRIVER/doc/3517fg.pdf b/1A_LED_DRIVER/doc/3517fg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..4f6968ed7a1c669c69cdebc6e9c5fb391cacf28d
Binary files /dev/null and b/1A_LED_DRIVER/doc/3517fg.pdf differ
diff --git a/1A_LED_DRIVER/lib/LT3517.lbr b/1A_LED_DRIVER/lib/LT3517.lbr
new file mode 100644
index 0000000000000000000000000000000000000000..0bf4483f147922666e2aa28d5b9c82434df4709d
--- /dev/null
+++ b/1A_LED_DRIVER/lib/LT3517.lbr
@@ -0,0 +1,187 @@
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+<b>PW (R-PDSO-G8)</b><p>
+Source: http://focus.ti.com/lit/ds/symlink/ads1271.pdf
+
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