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Electronic Works 12 V Volt DC to 50-0-50 Volt DC Converter Board Dual Power Supply SMPS 8 to 10 Ampere Transistor or mosfet Amplifier Board Power Supply : Amazon.in: Electronics
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220/230v Ac To 12v/5v DC Regulated Power DC Converter Bridge Rectifier | Power supply circuit, Power, Electronic schematics
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