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[Solved] Similarities/differences/Interfacing between ESP32 and RaspberryPi

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(@ranjanpal)
Eminent Member
Joined: 3 years ago
Posts: 15
Topic starter  

Hi, I am finding it bit difficult to make some basic understanding wrt ESP32.

I referred a few documentations but I am not able to figure out following things:

  1. In RaspberryPi we make use of micro-SD card to install linux based debian OS. Likewise, where do we install OS in ESP32?

  2. To interact with RaspberryPi, we make use of VNC/Putty to access the RPi through our laptop. Likewise how do we interact with ESP32.

  3. How do I ensure that data recorded by ESP32 gets transefred to RaspberryPi in a csv/txt or any other file format?

If you could please clarify my doubts, I would be very much thankful!


   
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 Hans
(@hans)
Famed Member Admin
Joined: 11 years ago
Posts: 2660
 

There is a big conceptual difference between a RPi and Arduino/ESP.

The RPi is in essence a complete computer with CPU, memory, ports etc.
The Arduino on the likes are microcontrollers (MCU), basically a single chip that can run a program with a very specific task.

Microcontrollers do not have a [conventional] Operating System, only one single program stored in Flash (on the MCU chip).
This program is compiled on a PC, and then flashed to the MCU (over USB) - it will be the one and only thing running on the MCU. So no use for an SD card.

To interact with the microcontroller one uses typically buttons and for example LEDs - the MCU does not have a GUI or anything, and no use for a mouse or keyboard either.
If you want to use a display, then it would be a very tiny display (usually only capable of displaying a few characters), since the MCU is not powerful enough to run a full screen.

See the MCU as a chip, or IC, which has a very specific function.

The MCU is also not capable of multitasking like in a PC.

To move data from an MCU to for example a RPi, you can use several methods. 
I think the most common way is by serial communication, but I have never had a need to connect the two.
Maybe this project gives you a better insight.


   
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(@ranjanpal)
Eminent Member
Joined: 3 years ago
Posts: 15
Topic starter  

Thanks a lot Hans fro your valuable reply!


   
Hans reacted
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