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Big O Notation Cheatsheet in Landscape PDF

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Big-O cheat sheet already provides a PDF, but its not good enough for me and also not in Landscape mode. So, I made a better one which you can download below:

How to use Arduino mega as a USB TTL Adapter

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Using any Arduino as a USB to TTL Adapter is very easy. Just need to connect the reset pin with grnd pin to bypass the ATmega chip. The Rx and Tx pins can th...