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test00712020-05-26 09:38:08
Microcontrollers
test0071, 2020-05-26 09:38:08

Is it possible to make a scoreboard on a single microcontroller?

Hello, tell me, is it possible on one ATmega328 microcontroller to send a request to the server via an ethernet adapter that is connected to it via SPI, get a response from the server in the form of strings that need to be displayed on a 64x64 scoreboard (max7219 drivers will be used here, connection via SPI), and also, if the last line received from the server is not empty, but with information about the number of the audio recording to be played, then play the audio recording stored on the SD card, which is also connected via SPI. Play with interrupts on the second timer and timer 1 with PWM? Is it real at all? Or do you need to install several microcontrollers and how then to organize communication between them?

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4 answer(s)
A
Armenian Radio, 2020-05-26
@gbg

It may not be enough to play audio beats - or maybe enough, it's hard to say. Separately, all tasks are solved by this controller, this is a fact.

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Sergey Pankov, 2020-05-26
@trapwalker

What if you use this to play sound:
https://aliexpress.ru/item/32641284367.html?spm=a2...

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VT100, 2020-05-26
@VT100

In my opinion - you can do everything (with an external Ethernet MAC chip), except for sound.
The ability to "trample" and sound - should be explored with timing diagrams in hand and may require strong software optimization (assembler inserts).

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evgeniy_lm, 2020-05-26
@evgeniy_lm

What's stopping you from using STM32?

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