diff --git a/tech/TL1838.wiki b/tech/TL1838.wiki
new file mode 100644
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--- /dev/null
+++ b/tech/TL1838.wiki
@@ -0,0 +1,9 @@
+= TL1838 =
+
+The TL1838 Is a cheap IR sensor with three leads, GND VCC and Data. It operates
+between 2.7 and 5.5V, with a range of 15m and range of 35degrees to either side
+of the normal.
+
+You can use it easily with the IRremote library with arduino.
+
+
diff --git a/tech/embedded.wiki b/tech/embedded.wiki
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--- a/tech/embedded.wiki
+++ b/tech/embedded.wiki
@@ -36,6 +36,7 @@ user, sometimes so that they don't even know there is a computer
 ==== Sensors ====
 
 * [[DHT11]]
+* [[TL1838|TL1838 IR Sensor]]
 
 ==== Radio ====