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12V SLA Bluetooth Speaker

11 months ago 180
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2 Stage Charger

Block Diagram

BOM

ID Name Designator Quantity
1 Header-Female-2.54_1x2 P1 1
2 Jumper P2 1
3 Input P3 1
4 1N4004 D5 1
5 10uF C3,C2 2
6 2200uF C1 1
7 . H1,H2 2
8 5A F1,F2 2
9 6.8V D1 1
10 SW_SPST SW2 1
11 2.1x5.5 CHARGE 1
12 EVQ22705R SW1 1
13 LM317T-DG U1 1
14 LM358P U2,U3 2
15 3mm LED1,LED2,LED3 3
16 8.8uF C8,C9 2
17 BC547 Q1 1
18 5K VR2 1
19 2K VR1 1
20 20K VR3 1
21 270 R1 1
22 10K R3,R6 2
23 2.2K R2 1
24 22K R4,R5 2
25 0.2 5W R7 1
26 4.7K R9 1
27 1k 4.7K 1
28 SP1,SP2,SP4,SP5 4
29 2.5Ω SP3 1
30 1N4001 D3,D4 2
31 12V SLA B1 1
32 0.1uF C4,C5 2

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