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STD blue spk pcb

License: Public Domain

Mode: Editors' pick

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Update time: 2024-03-30 20:09:57
Creation time: 2024-03-16 12:08:23

Title: Bluetooth PCB Design for Wireless Communication Module

This project aims to design a Bluetooth Printed Circuit Board (PCB) for enabling wireless communication between devices. The PCB will integrate Bluetooth technology to facilitate seamless data exchange between electronic devices, such as smartphones, tablets, and IoT devices.

1. **Bluetooth Module Integration:** The PCB will incorporate a Bluetooth module (e.g., HC-05, HC-06, or similar) for establishing wireless communication protocols.
2. **Compact Design:** The PCB will be designed to be compact, ensuring ease of integration into various electronic devices without occupying excessive space.

3. **Power Management:** Efficient power management circuitry will be included to optimize power consumption and prolong battery life in battery-powered devices.

4. **UART Interface:** The PCB will feature UART (Universal Asynchronous Receiver-Transmitter) interface for serial communication, allowing seamless data transfer between devices.

5. **Compatibility:** The PCB will be designed to be compatible with common microcontrollers and single-board computers, facilitating easy integration into existing projects.

6. **Antenna Design:** An optimized antenna design will be implemented to ensure reliable and stable Bluetooth connectivity over reasonable distances.

7. **Protection Circuitry:** The PCB will include protection circuitry to safeguard against voltage spikes, overcurrent, and reverse polarity, enhancing the durability and reliability of the device.

8. **PCB Layout Optimization:** Careful attention will be given to PCB layout to minimize signal interference, noise, and cross-talk, thereby ensuring optimal performance of the Bluetooth module.

The design will be created using EasyEDA, a user-friendly online PCB design tool that offers a range of features for schematic capture, PCB layout, and component libraries.

1. Schematic Diagram: A detailed schematic diagram illustrating the circuit connections and component placement.
2. PCB Layout: The PCB layout design file compatible with manufacturing processes, including Gerber files for fabrication.
3. Bill of Materials (BOM): A comprehensive list of components required for assembling the PCB, including part numbers, quantities, and suppliers.

4. Design Documentation: Detailed documentation outlining design considerations, component specifications, and testing procedures.

5. Testing and Validation: The designed PCB will undergo rigorous testing and validation to ensure compatibility, functionality, and reliability according to industry standards.

The completed Bluetooth PCB design will serve as a versatile solution for enabling wireless communication in various electronic applications, ranging from hobbyist projects to commercial products 

Design Drawing
schematic diagram
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ID Name Designator Footprint Quantity image
1 2.7pF C1 C0805 1 CC0805CRNPO9BN2R7
2 220pF C2 C0805 1 CC0805KRX7R9BB221
3 22uF C3,C4 C0805 2 TCC0805X5R226M160FT
4 100nF C5,C6 C0805 2 CT41G-0805-2X1-50V-0.1UF-K(N)
5 1uF C7 C0805 1 C0805X105K101T
6 1uF C8 CAP-SMD_L3.2-W1.6 1 SY1-1C105K-RA
7 PJ-320D CN1 AUDIO-SMD_PJ-320D 1 PJ-320D
8 100nF F1,F2,F3,F4,F5,F6,F7 C0805 7 CC0805JKX7R0BB104
9 HDR-F-2.54_1x2 H1 HDR-F-2.54_1X2 1 HDR-F-2.54_1x2
10 VBAT H2 HDR-F-2.54_1X2 1 HDR-F-2.54_1x2
11 PWR KEY1 KEY-SMD-TACT_2P-L6.0-W3.6-H3.5-LS7.6 1 KEY-SMD-TACT_2P-L6.0-W3.6-H3.5-LS7.6
12 PEVV- KEY2 KEY-SMD-TACT_2P-L6.0-W3.6-H3.5-LS7.6 1 KEY-SMD-TACT_2P-L6.0-W3.6-H3.5-LS7.6
13 P/MODE KEY3 KEY-SMD-TACT_2P-L6.0-W3.6-H3.5-LS7.6 1 KEY-SMD-TACT_2P-L6.0-W3.6-H3.5-LS7.6
14 NEXTV+ KEY4 KEY-SMD-TACT_2P-L6.0-W3.6-H3.5-LS7.6 1 KEY-SMD-TACT_2P-L6.0-W3.6-H3.5-LS7.6
15 whiteLEDSMD LED2 LED0805-R-RD 1 whiteLEDSMD
17 GMI3015P-2C32DB MIC1 MIC-TH_BD3.0-P1.00-D0.3-L-FD 1 GMI3015P-2C32DB
18 8850C/9015C Q1 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-TR 1 2N3904(SOT-23) SOT-23
19 100kΩ R1 R0805 1 0805W8F1003T5E_C149504
20 1kΩ R2,R3,R4,R5,R6,R7,R17 R0805 7 0805W8F1001T5E
21 10kΩ R8 R0805 1 0805W8F1002T5E
22 22kΩ R9 R0805 1 AECR0805F22K0K9
23 3.3kΩ R10 R0805 1 0805W8F3301T5E
24 6.2kΩ R11 R0805 1 RMC08056.2K1%N
25 6.8kΩ R12 R0805 1 0805W8F6801T5E
26 220kΩ R13 R0805 1 0805W8F2203T5E
27 5.1kΩ R14,R15 R0805 2 0805W8F5101T5E
28 33kΩ R16 R0805 1 0805W8F3302T5E
29 AC6928B U1 HTSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL-EP-2 1 AC6928B
30 24MHz U2 CRYSTAL-SMD_4P-L3.2-W2.5-BL 1 7V24000051
31 TP4056 U3 ESOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP 1 TP4056
32 CS8508E U4 SOIC-8_L5.0-W4.0-P1.27-LS6.0-BL 1 XPT4871
34 TYPE-C 16P(073) USB1 USB-C-SMD_TYPE-C16PIN_C668624 1 TYPE-C 16P(073)


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