The Smart Garage Door Opener – Part 2

In this tutorial series we are upgrading our garage to a smart garage by building and installing our own smartphone controlled smart garage door opener. Please go and review Part 1 before coming to Part 2.
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What Is A ICSP Port And How Do I Use It

In-system programming (ISP), also called In-Circuit Serial Programming (ICSP), enables us makers to program microcontrollers MCUs such as the Atmel chips in almost all Arduino designs through a set of special pin connections on a PCB.
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