Update README.md

Author: olivierjan

README.md

@@ -17,7 +17,7 @@ Project requires :
  - 1x 470 Ohm resistor
  - (Optional) 1x '128x64' I2C SSD1306 OLED display.
 
-
+![Schematics](/Variable%20Clock_bb.png)
 
 Usage: 
 
@@ -30,4 +30,4 @@ Usage:
 
 The PIC has been programmed with MPLAB X.
 
-> Written with [StackEdit](https://stackedit.io/).
+> Written with [StackEdit](https://stackedit.io/).