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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
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2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
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STD TDA7439 copy
Mode: Editors' pick
Cloned from TDA7439
- 0
Update time：
2019-02-14 09:03:20
Creation time：
2019-02-14 09:03:14
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.
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | TDA7439 | U2 | SDIP-30 BIG PAD | 1 |
| 2 | 2,2uF | C31,C30 | CAP-D5.0XF2.0 | 2 |
| 3 | 5K6 | R7,R8 | 0805 | 2 |
| 4 | 2K7 | R9,R10 | 0805 | 2 |
| 5 | 10uF | C33,C11 | CAP-D5.0XF2.0 | 2 |
| 6 | 33nF | C32 | 0805 | 1 |
| 7 | 100nF | C15,C14,C12,C13 | 0805 | 4 |
| 8 | 22nF | C19,C17 | 0805 | 2 |
| 9 | 15nF | C21,C23 | 0805 | 2 |
| 10 | 470nF | C22,C24,C25,C20,C18,C16 | 0805 | 6 |
| 11 | 5600pF | C28,C29 | 0805 | 2 |
| 12 | 3300pF | C27,C26 | 0805 | 2 |
| 13 | WJ2EDGVC-5.08-2P | 9V_IN | WJ2EDGVC-5.08-2P | 1 |
| 14 | NODEMCU_V1_ESP12E | U3 | ESP12E_DEVKIT-V1 | 1 |
| 15 | 10k | R15,R16,R12,R6,R19,R20,R23,R24,R27,R28,R29 | 0805 | 11 |
| 16 | BAV70 A4t70 | D1 | SOT-23(SOT-23-3) | 1 |
| 17 | 10 | R17,R18 | 0805 | 2 |
| 18 | 220 | R11 | 0805 | 1 |
| 19 | LED-3MM | LED1 | LED-3MM/2.54 | 1 |
| 20 | 33k | R5,R1 | 0805 | 2 |
| 21 | 1k | R2,R3,R21,R22 | 0805 | 4 |
| 22 | 50 | R4 | 0805 | 1 |
| 23 | 100 | R13 | 0805 | 1 |
| 24 | 15k | R14 | 0805 | 1 |
| 25 | Header2.54mm 1*8P | P1,P2,P3,P4 | HDR-8X1/2.54 | 4 |
| 26 | CSR8645 | U4 | CSR8645_2 | 1 |
| 27 | 100k | R25,R26 | 0805 | 2 |
| 28 | 4.7u | C1 | 0805 | 1 |
| 29 | 10n | C2 | 0805 | 1 |
| 30 | 33p | C3,C4,C5,C6 | 0805 | 4 |
| 31 | AMS1117-3.3 | U6 | SOT-223 | 1 |
| 32 | 10u | C7 | 0805 | 1 |
| 33 | 22u | C8 | 0805 | 1 |
| 34 | 330n | C9 | 0805 | 1 |
| 35 | 100n | C10 | 0805 | 1 |
| 36 | 7805 | U7 | DPAK-3 | 1 |
| 37 | PJ-327E-5A | AUDIO1 | PJ-327E-5A | 1 |
| 38 | AS324MTR-E1 | U1,U5 | SOIC-14_150MIL | 2 |
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