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12V SLA Bluetooth Speaker

3 months ago 62
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2 Stage Charger

Block Diagram

BOM

ID Name Designator Footprint Quantity
1 Jumper P2 HDR-1X2/2.54 1
2 Header-Female-2.54_1x2 P1 HDR-1X2/2.54 1
3 Input P3 HDR-1X2/2.54 1
4 1N4004 D5 DO-35 1
5 10uF C3,C2 CAP-D5.0XF2.0 2
6 2200uF C1 CAP-D12.5XF5.0 1
7 6.8V D1 DO-35 1
8 EVQ22705R SW1 KEY-6.0*6.0-4 1
9 LM317T-DG U1 TO-220(TO-220-3) 1
10 LM358P U3,U2 DIP-8 2
11 3mm LED1,LED2,LED3 LED-3MM/2.54 3
12 BC547 Q1 TO-92_L4.8-W3.7-P2.54-L 1
13 2K VR1 RES-ADJ_3386P 1
14 5K VR2 RES-ADJ_3386P 1
15 20K VR3 RES-ADJ_3386P 1
16 270 R1 AXIAL-0.3 1
17 22K R4,R5 AXIAL-0.3 2
18 4.7K R9 AXIAL-0.3 1
19 1k 4.7K AXIAL-0.3 1
20 2.2K R2 AXIAL-0.3 1
21 10K R6,R3 AXIAL-0.3 2
22 0.2 5W R7 AXIAL-1 1
23 1N4001 D3,D4 DO-41 2
24 0.1uF C4,C5 RAD-0.1 2
25 Charge P1 HDR-1X2/2.54 1
26 SPDT on-off-on SW1 SK-12F14-G 1
27 250uF C7,C6 CAP-D3.0XF1.5 2
28 1uF C1 CAP-D3.0XF1.5 1
29 NE555P U1 DIP-8_LS7.62-L9.78-W6.60-PITCH2.54 1
30 4A F1 SMD2920 1
31 800mA F2 SMD2920 1
32 0.13mH L1,L2 AXIAL-0.4 2
33 204-10SURD/S530-A3 LED1 LED-3MM/2.54 1
34 470K R3 AXIAL-0.3 1
35 1K R2,R1 AXIAL-0.3 2
36 SP1,SP2 PCB_MOUNT_SPEAKER 2
37 2.5Ω SP3 PCB_MOUNT_SPEAKER 1
38 12V SLA B1 BATTERY-1 1

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