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@@ -68,6 +68,7 @@ Table of content
 
 ### TM4C123
 
+* [EmbeddedSystems.Playground](https://github.com/glennlopez/EmbeddedSystems.Playground/wiki/Periodic-SysTick-Interrupts)
 * [Analog to Digital Conversion, Data Acquisition and Control](http://users.ece.utexas.edu/~valvano/Volume1/E-Book/C14_ADCdataAcquisition.htm)
 * [Embedded Systems - Shape The World](http://users.ece.utexas.edu/~valvano/Volume1/E-Book/)
 * [HowTo: Develop on the TI Tiva LaunchPad using Linux](http://chrisrm.com/howto-develop-on-the-ti-tiva-launchpad-using-linux/)