sig_proc_UI_source.asciidoc

@@ -4,10 +4,18 @@
 
 The hardware platform of the voltage/current (U/I) Source
 basically consists of a low-cost microcontroller and a Sepic
-converter circuit. Figure 6 shows the hardware block diagram
+converter circuit. Figure 1 shows the hardware block diagram
 of the U/I Source circuit.
+
+{empty} +
+
+image::https://es.technikum-wien.at/openlab/openlab_wiki/wikis/img/sig_proc_ui_source/SigProcUISource.PNG[caption="Figure 1: ",title="U/I Source Hardware Overview",align="center"]
+
+{empty} +
+
+
 The PC application communicates via USB with a low-cost,
-Cortex-M3 microcontroller LPC1343 [11] from NXP [12].
+Cortex-M3 microcontroller LPC1343 [1] from NXP [2].
 This microcontroller features, besides standard μC peripherals,
 a built-in USB bootloader mode, which enables students, in
 case of a firmware update, to upgrade the μC firmware by