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WT32i Bluetooth Breakout

10 months ago 328
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Combines Bluetooth 3.0 Audio Module with Class-D Amplifier and 4.2V Li-ion Battery Charger for wearable/portable audio projects. Dimensions specifically designed for Dual 18650 Pack for use in bluetooth stereo headphones or portable speakers.

In theory, you should be able to customize it by directly plugging it into a PC with a USB data cable and customizing it with Silicon Labs iWrap software. If you use the APT-X version you should be able to connect to 2 bluetooth devices simultaneously. This should empower users to customize their bluetooth devices for their own specific needs.

Silicon Labs WT32I-A-AI61-APTX Bluetooth Module. Customize the WT32i with BlueGiga iWrap terminal software by using an external USB to UART hardware device. SPI headers are for firmware updates only, unlikely you will ever need to use the SPI headers. UNTESTED/UNVERIFIED MODULE



DC_18650 Module


ID Name Designator Footprint Quantity BOM_Supplier BOM_Manufacturer BOM_Manufacturer Part BOM_Supplier Part
1 LED-Green(0603) LED2 LED-0603 1 LCSC EVERLIGHT 19-217/GHC-YR1S2/3T C72043
2 LED-Yellow(0603) LED1 LED-0603 1 LCSC EVERLIGHT 19-213/Y2C-CQ2R2L/3T(CY) C72038
3 MCP73833 MCP MSOP10 1 Mouser Microchip Technology MCP73833-FCI/UN 579-MCP73833-FCI/UN
4 LED-Red(0603) LED3 LED-0603 1 LCSC EVERLIGHT 19-21SURC/S530-A2/TR8 C72045
5 1k R2,R1,R3,R10,RT1 0603 5 Mouser Panasonic ERA-3AEB102V 667-ERA-3AEB102V
6 2k R4 0603 1 Mouser Panasonic 667-ERA-1AEB202C ERA-1AEB202C
7 10k THERM NTC THERMISTOR 15 K 1 Mouser Panasonic ERT-J1VG103FA 667-ERT-J1VG103FA
8 150k RT2 0603 1 Mouser Yageo RC0603FR-07150KL 603-RC0603FR-07150KL
9 10uF C3,C8,C2 0603 3 Mouser Murata Electronics ZRB15XR61A106ME01D 81-ZRB15XR61A106ME1D
10 WT32i WT32I-A-AI61-APTX WT32 1 Digi-Key Silicon Labs WT32I-A-AI61-APTX 336-5508-1-ND
11 LED-Blue(0603) LED4 LED-0603 1 LCSC EVERLIGHT 19-217/BHC-ZL1M2RY/3T C72041
12 TPA2012D2RTJR TPA2012 QFN-20_4X4X05P 1 LCSC TI TPA2012D2RTJR C7717
13 1u C5,C6,C1,C4 0603 4 Mouser Yageo CC0603KPX5R5BB105 603-CC0603KPX55BB105
14 0.1u C7 0603 1 Mouser AVX 06034C104KAT2A 581-06034C104KAT2A
15 SW_DIP-2 DIP DIPSWITCH-02 1 Mouser CTS Electronic Components 218-2LPSTR 774-2182LPSTR
16 JST-PH_2-PIN_HEADER BAT JST_B2B-PH_HEADER 1 Mouser SparkFun PRT-09749 474-PRT-09749
17 100k R8,R9,R7,R6 0603 4 Mouser Panasonic ERJ-3RBD1003V 667-ERJ-3RBD1003V
18 Micro USB-B 5P-Female-SMT_C40940 USB1 MICRO 5P_C40940 1 LCSC ValuePro Micro USB-B 5P-Female-SMT C40940
19 Header-Female-2.54_1x20 P2 HDR-20X1/2.54 1 LCSC BOOMELE 2.54mm 1*20P Female header C50984
20 Header-Female-2.54_1x4 AUDIO_OUT HDR-4X1/2.54 1 LCSC ReliaPro Header-Female-2.54_1x4 C124413
21 Header-Female-2.54_1x2 5VIN HDR-1X2/2.54 1 LCSC BOOMELE 2.54-1*2PFemale C49661
22 Header-Female-2.54_1x16 P3 HDR-16X1/2.54 1 LCSC BOOMELE Female header1*16P pitch 2.54mm C66987
23 LP5907MFX-3.3/NOPB U1 SOT-23-5 1 LCSC Texas Instruments LP5907MFX-3.3/NOPB C80670
24 10Ω L5,L1,L2,L3 0402 4 LCSC MuRata BLM15BA100SN1D C113007




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