+------------------+
| Telefon/PC |
+--------+---------+
|
Bluetooth
(A2DP+AVRCP)
|
+--------+---------+
| CSER8630 |
| Modul Bluetooth |
+---+----------+---+
| |
UART Audio
(meta- (semnal
date) analogic)
| |
+------------+ +------------+
| |
+--------+---------+ +-----------+------+
| ATmega328P | | TPA3110D2 |
| Unitate Centrala | | Amplificator |
+--+---+---+---+---+ | 2x15W |
| | | | +----+--------+-----+
| | | | | |
I2C ADC GPIO UART OUT L+/- OUT R+/-
| | | | | |
| | | +---------> CSER8630 | |
| | | +----+--+ +--+----+
| | | |Difuzor| |Difuzor|
| | | | Stg. | | Drt. |
| | | +-------+ +-------+
| | |
| | +-----> Butoane (play/pause)
| | +-----> LED-uri status
| | +-----> Potentiometru 10kOhm (volum)
| |
| +---------> Filtre RC (bass/voce/treble)
| [low-pass 47nF][band-pass][high-pass 4.7nF]
|
+-------------> SSD1306 OLED 128x64
(titlu, artist, volum, vizualizator)
Alimentare:
[18650 x2] --> [TP4056 Type-C] --> [XL6009 Boost]
|
+-----------+-----------+
| |
12V 5V
| |
TPA3110 ATmega328P
CSER8630
SSD1306
| Nr. | Componenta | Cantitate |
|---|---|---|
| 1 | ATmega328P | 1 |
| 2 | Modul Bluetooth CSER8630 | 1 |
| 3 | Amplificator TPA3110D2 2x15W | 1 |
| 4 | Display OLED SSD1306 128×64 I2C | 1 |
| 5 | Difuzor VISATON FR10HM 4Ohm 20W | 2 |
| 6 | Incarcator TP4056 Type-C | 1 |
| 7 | Convertor DC-DC Boost XL6009 | 1 |
| 8 | Acumulator Samsung 18650 2600mAh | 2 |
| 9 | Potentiometru linear 10kOhm | 1 |
| 10 | Cristal 16MHz + condensatoare 22pF | 1 |
| 11 | Rezistoare 10kOhm 1/4W | 6 |
| 12 | Condensatoare ceramice 47nF | 2 |
| 13 | Condensatoare ceramice 4.7nF | 2 |
| 14 | Butoane tactile | 5 |
| 15 | LED-uri de status | 2 |