GPIO – General Purpose Input Output pins are the general gateway to connect external hardware like display units, sensors, rotators etc…
In continuation with our previous blog “GET INTRODUCED TO LPCXPRESSO 1769” where I have talked about the LPCXpresso IDE installation and an example code on talking to onboard LED.
Here is the Application Note on how to drive seven segments displays using LPC1769 LPCXpresso board by limiting the number of I/O used on the target board.
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