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Understanding how/why Arduino works?

Former Member

Hi, I am really interested in learning electronics (which I know virtually nothing about). I saw some videos about Arduino and RPi, and think they're really cool.

 

But I have one problem with these products. They're already made for you, and you simply use them. I can see how the Arduino can be useful for electronics projects, but it doesn't really tell me how/why the Arduino does what it does.

 

I would like to know how to create my own circuit, from scratch, that can do what the Arduino/RPi does. Is this possible, or too difficult?

 

I really want to have a low-level understanding of electronics. I don't know where to start, or what resources would be helpful.

 

EDIT: Like, for example, I would like to be able to get into the mindset of the people who made the Arduino/RPi, and understand how they made them and everything they knew about the various components (chips on the circuit, pins, capacitors, etc.)

 

Thanks in advance,

Alex.

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    The RPi is definitely not something you can replicate without a factory. On the other hand the Arduino UNO (most common) is really a user friendly broken out microcontroller with USB to serial connections and power regulators. You can buy the microcontroller (ATMega328p DIP package) on its own along with an ISP programmer and code/use the chip on the breadboard. But if you mean you want to make your own microcontroller, well let's just say that would be like reinventing the wheel. You know how people say computers used to be the size of a room and now they're tiny? It's because Engineers and machines in a factory make almost microscope versions of transistors and such to replicate the huge mess of electronics needed to store and run programs. So I would say it's possible for a millionaire with too much time on their hands, but not a hobbyist. Look up "Arduino on a breadboard" for info on making an "Arduino". AVR should really be getting all the credit for the Arduino, all Arduino did was add regulators and interface parts to AVR's parts. But you'll love it, electronics is my passion and is such a good hobby.

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    The RPi is definitely not something you can replicate without a factory. On the other hand the Arduino UNO (most common) is really a user friendly broken out microcontroller with USB to serial connections and power regulators. You can buy the microcontroller (ATMega328p DIP package) on its own along with an ISP programmer and code/use the chip on the breadboard. But if you mean you want to make your own microcontroller, well let's just say that would be like reinventing the wheel. You know how people say computers used to be the size of a room and now they're tiny? It's because Engineers and machines in a factory make almost microscope versions of transistors and such to replicate the huge mess of electronics needed to store and run programs. So I would say it's possible for a millionaire with too much time on their hands, but not a hobbyist. Look up "Arduino on a breadboard" for info on making an "Arduino". AVR should really be getting all the credit for the Arduino, all Arduino did was add regulators and interface parts to AVR's parts. But you'll love it, electronics is my passion and is such a good hobby.

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