Update README.md

Author: Fescron

README.md

@@ -110,6 +110,16 @@ These are all of the files we've created to make the project more *readable*:
 - **(\*3):** Every minute an interrupt gets generated by the Real Time Counter Compare functionality.
 - **(\*4):** This can be a button (`PB0` or `PB1`) interrupt or an interrupt generated by the **accelerometer** if the activity threshold is surpassed.
 
+<br/>
+
+### 2.3 - Demo
+
+The following two figures are output examples in the UART console. The first one depicts using the method `readValuesADXL();`, the second one depicts waking up from an interrupt when the threshold is exceeded, a button is pushed or the RTC compare functionality triggered an interrupt.
+
+![UART debugging](/doc/reports/figures/uart1.png?raw=true "UART debugging")
+
+![UART debugging](/doc/reports/figures/uart2.png?raw=true "UART debugging")
+
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 ## 3 - Development problems