According to the datasheet, this microcontroller comes in four different packages with different pin counts. Although usually, selection of package is a topic very specific to PCB Design. Selecting the right packageĪTmega328P comes in 4 different packages. Through this article, I’m sharing the fundamental steps a.k.a minimal circuit required to interface an ATmega328P to any system. Here are a couple of references from the Arduino website: Building an Arduino on a Breadboard and From Arduino to a Microcontroller on a Breadboard. ![]() In fact, building the Arduino on a breadboard is simple too. In my opinion, the presence of a development board can help correlate the function of each pin on the microcontroller intuitively. If you’re interested in learning how to get a microcontroller up and running, once again Arduino is the best place to begin. I started my journey into the world of Embedded Systems with the modest Arduino Uno too. Simplistic hardware design & programming environment, great community & codebase, and the ease of deploying the code make Arduino an awesome platform. Thanks to the Arduino ecosystem, students or just about anyone for that matter, can bring their ideas to life with ease using an off-the shelf development board. Today, it is so easy to get started with Embedded Systems Development. ![]() Minimal Circuit Design for interfacing an ATmega328P microcontroller
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