Update 'README.md'

README.md

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 # NixieTubeClock
 
-Project files related to the Nixie Tube Clock project.
+Project files related to the Nixie Tube Clock project.
+
+### Driver PCB
+![https://git.0x7d.com/Kevin/NixieTubeClock/raw/master/Nixie_Top_Board/Schematic.PNG](https://git.0x7d.com/Kevin/NixieTubeClock/raw/master/Nixie_Top_Board/Schematic.PNG)
+
+![https://git.0x7d.com/Kevin/NixieTubeClock/raw/master/Nixie_Top_Board/PCB_1.png](https://git.0x7d.com/Kevin/NixieTubeClock/raw/master/Nixie_Top_Board/PCB_1.png)
+
+![https://git.0x7d.com/Kevin/NixieTubeClock/raw/master/Nixie_Top_Board/PCB_2.png](https://git.0x7d.com/Kevin/NixieTubeClock/raw/master/Nixie_Top_Board/PCB_2.png)
+
+![https://git.0x7d.com/Kevin/NixieTubeClock/raw/master/Nixie_Top_Board/PCB_3.png](https://git.0x7d.com/Kevin/NixieTubeClock/raw/master/Nixie_Top_Board/PCB_3.png)