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If you feel it too difficult to start or you just want to test it first, you can use the test code, follow the pin connections in the code file, you can start it immediately.
Or we start to use the ITDB02_Graph16 library, write any pictures or text on your screen.
Due to the 16 bits configuration on the screen board, you should wire 16 pins between the display and Arduino, this also has a faster speed than just 8 bits. The data lines connection should looks:
Secondly, don’t forget the control lines to your arduino : Reset – pin 16, CS – pin 17, WR – pin 18, RS – pin 19, LEDA – V3.3, VCC – VCC, GND – GND.
and now comment and uncomment the pins definitions in the codes of ITDB02_Graph16, you should be able to see things on your screen!