I'm new learning to use the 1602 LED display using the basic "Hello World" example. All the connections are in line with those in the example and the code was just "copied and pasted" to my board. However, all the screen showing was as per the picture. Checked all the connections and couldn't find anything wrong with them. Also tried different holes on the breadboard but the problem remains.
Any suggestions to rectify the problem will be very much appreciated.