Variable dc power supply 0-12Volts (1A or less)
my power supply just broke and I want to build my own power supply which can be adjusted by a potentiometer that outputs 0-12Volts and a current of 1A or below. can anyone give me a schematic diagram?? thanks.
Replies
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aruncharyhi, use Lm7812 and use 1Amp fuse in following circuit
Dropbox - variable-power-supply-using-7805.PNG - Simplify your life -
Ibeis it okay if I will be using 220V AC? because it is the standard here in the philippines
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aruncharyyes, You can use this circuit because,in this circuit we have bridge configuration as follows in the circuit...............no issues....
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Ibe
big thanks sir!aruncharyyes, You can use this circuit because,in this circuit we have bridge configuration as follows in the circuit...............no issues.... -
Ibeokay, what diode should I use on the bridge rectifier?
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aruncharyhi, you can use the diode 1n4007 or ready made bridge IC's are available like W10 so, you can replace with them also//...
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