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Power Supply  (Please download Bangla font, if you are unable to read)

 

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Power Supply

Parts List                            
Diode -1N4001x4,IC1-LM317T,C1-2200 mfd/25V,C2-0.22 mfd/160V,C3-10 mfd/40V,C4-10 mfd/40V,      
S1-1 pole 6 way Switch.Transformer-12 V, 1A Sec.