© 2024 EasyEDA Some rights reserved ISO/IEC
Editor Version
×
Standard
1.Easy to use and quick to get started
2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
4.For students, teachers, creators
Profession
1.Brand new interactions and interfaces
2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
3.More rigorous design constraints, more standardized processes
4.For enterprises, more professional users
Ongoing
STD TDA7439 copy
Mode: Editors' pick
Cloned from TDA7439
- 0
Update time：
2019-01-11 22:42:59
Creation time：
2019-01-11 22:42:57
Description
LM1876 + TDA7439 + NodeMCU (+ Aptx module)
Android compatible stereo amplifier
LM1876 Amplifier board: https://easyeda.com/fxndstrs/lm1876
Firmware is available here: https://github.com/StarrLucky/TDA7439_CSR8645_NodeMCU_Amplifier_Board
Project not finished and tested yet.
Design Drawing
schematic diagram
（
1
/
）
PCB
（
1
/
）
The preview image was not generated, please save it again in the
editor.
| ID | Name | Designator | Footprint | Quantity | Mounted | |
|---|---|---|---|---|---|---|
| 1 | TDA7439 | U2 | SDIP-30 BIG PAD | 1 | Yes | 511-TDA7439DS13TR |
| 2 | 2,2uF | C31,C30 | CAP-D5.0XF2.0 | 2 | Yes | |
| 3 | 5K6 | R7,R8 | 0805 | 2 | Yes | |
| 4 | 2K7 | R9,R10 | 0805 | 2 | Yes | |
| 5 | 10uF | C33,C11 | CAP-D5.0XF2.0 | 2 | Yes | |
| 6 | 33nF | C32 | 0805 | 1 | Yes | |
| 7 | 100nF | C15,C14,C12,C13 | 0805 | 4 | Yes | |
| 8 | 22nF | C19,C17 | 0805 | 2 | Yes | |
| 9 | 15nF | C21,C23 | 0805 | 2 | Yes | |
| 10 | 470nF | C22,C24,C25,C20,C18,C16 | 0805 | 6 | Yes | |
| 11 | 5600pF | C28,C29 | 0805 | 2 | Yes | |
| 12 | 3300pF | C27,C26 | 0805 | 2 | Yes | |
| 13 | WJ2EDGVC-5.08-2P | 9V_IN | WJ2EDGVC-5.08-2P | 1 | Yes | C8445 |
| 14 | NODEMCU_V1_ESP12E | U3 | ESP12E_DEVKIT-V1 | 1 | Yes | |
| 15 | 10k | R15,R16,R12,R6,R19,R20,R23,R24,R27,R28,R29 | 0805 | 11 | Yes | |
| 16 | BAV70 A4t70 | D1 | SOT-23(SOT-23-3) | 1 | Yes | C98737 |
| 17 | 10 | R17,R18 | 0805 | 2 | Yes | |
| 18 | 220 | R11 | 0805 | 1 | Yes | |
| 19 | LED-3MM | LED1 | LED-3MM/2.54 | 1 | Yes | C99772 |
| 20 | 33k | R5,R1 | 0805 | 2 | Yes | |
| 21 | 1k | R2,R3,R21,R22 | 0805 | 4 | Yes | |
| 22 | 50 | R4 | 0805 | 1 | Yes | |
| 23 | 100 | R13 | 0805 | 1 | Yes | |
| 24 | 15k | R14 | 0805 | 1 | Yes | |
| 25 | Header2.54mm 1*8P | P1,P2,P3 | HDR-8X1/2.54 | 3 | Yes | C49256 |
| 26 | CSR8645 | U4 | CSR8645_2 | 1 | Yes | |
| 27 | 100k | R25,R26 | 0805 | 2 | Yes | |
| 28 | 4.7u | C1 | 0805 | 1 | Yes | |
| 29 | 10n | C2 | 0805 | 1 | Yes | |
| 30 | 33p | C3,C4,C5,C6 | 0805 | 4 | Yes | |
| 31 | AMS1117-3.3 | U6 | SOT-223 | 1 | Yes | C6186 |
| 32 | AMS1117-5.0 | U7 | SOT-223 | 1 | Yes | C6187 |
| 33 | 10u | C7,C9 | 0805 | 2 | Yes | |
| 34 | 22u | C8,C10 | 0805 | 2 | Yes | |
| 35 | AS324MTR-E1 | U1,U5 | SOIC-14_150MIL | 2 | Yes | C110472 |
Unfold
Project Members
0
0
Collect to album
Related Projects
Change a batch
Loading...
Add to album
×
Loading...
reminder
×
Do you need to add this project to the album?