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7,14,21 chanell audio spectrum analyser
### ENGLISH VERSION BELOW
### OPIS
Zestaw przeznaczony jest do budowy analizatora widna 7, 14 lub 21 kana?owego w oparciu o mikrokontroler AVR z rodziny ATmega16/32/164/324/644/1284/8535 oraz uk?ady peryferyjne, dobór uk?adu mikrokontrolera zale?y od tego jak bardzo rozbudujemy nasz projekt i ile b?dzie in wymaga? pami?ci.
Jako g?ówny element stanowi?cy pasmowy klucz dla przetworników ADC w mikrokontrolerze wykorzystano uk?ad MSGEQ7 posiadaj?cy siedem prze??czanych filtrów cz?stotliwo?ciowych w p?tli od najni?szej do najwy?szej cz?stotliwo?ci.
P?ytka ewaluacyjna mo?e by? zasilana z portu ISP, portu USB lub z zewn?trznego zasilacza (zalecane) dostarczaj?cego napi?cie 7…30 V AC lub DC.
Wraz z mikrokontrolerem na p?ytce opcjonalnie mog? by? instalowane takie elementy jak:
- odbiornik podczerwieni;
- encoder;
- wy?wietlacz OLED 1.3” I2C;
- generator SI5351;
- konwerter USB-UART FT232R;
- uk?ad RTC MCP7940x, MCP7941x, DS1340, M41T0x;
- czujnik temperatury serii DS18x20;
- odbiornik ATNEL WIFI ESP wersja na p?ytce FULL;
Jako wyj?cie na wy?wietlacz przewidziano mo?liwo?? sterowania dowoln? matryc? poprzez z??cze SPI np. z wykorzystaniem rejestrów 74HC595 czy uk?adów MAX7219, matryc? zbudowan? z diod programowalnych WS2812 lub tak?e tak? matryc? ale poprzez uk?ad steruj?cy MagicHERCULES od ATNEL.
ATNEL - producent uk?adów ATNEL WIFI ESP i MagicHERCULES - http://atnel.pl
Pe?na instrukcja pod linkiem Other files for Assembly
### DESCRIPTION
This PCB is designed to build a 7, 14 or 21 channel video analyser based on the AVR microcontroller ATmega16/32/164/324/644/1284/8535 family and peripheral circuits, the choice of microcontroller system depends on how much we expand our project and how much memory it will require.
As the main element constituting the band key for the ADCs in the microcontroller, the MSGEQ7 chip was used, which has seven switched frequency filters in the loop from the lowest to the highest frequency.
The evaluation board can be powered from an ISP port, a USB-C port or from an external power supply (recommended) supplying 7... 30 V AC or DC.
Along with the microcontroller, the following elements can be optionally installed on the board:
- infrared receiver;
- encoder;
- 0,96” or 1.3" I2C OLED display;
- SI5351 generator board;
- USB-UART converter FT232R;
- RTC MCP7940x, MCP7941x, DS1340, M41T0x;
- DS18x20 series temperature sensor;
- ATNEL WIFI ESP receiver version on FULL board;
As an output to the display, it is possible to control any matrix via the SPI connector, e.g. with the use of 74HC595 registers or MAX7219 chips, a matrix made of WS2812 programmable diodes or also such a matrix, but through the MagicHERCULES controler from ATNEL. (SPI to NZR converter)
ATNEL - Polish manufacture that build ATNEL WIFI ESP and MagicHERCULES modules - http://atnel.pl
Full documentation at Other files for Assembly
7,14,21 chanell audio spectrum analyser
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
Attribution-NonCommercial (CC BY-NC) License
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