20 Amp Variable Power Supply using LM317
20 Amp Variable Power Supply with an output voltage from 1.5 to 15 volts using the LM317 regulator and 4 2N3055 power transistors to amplify the current capacity
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This blown fuse indicator circuit warns us, lighting a LED, when there is a problem in an electrical installation protected by the fuse.
It is very important to correct the faults in the electrical system of an automobile or motorcycle or other, as soon as possible. This circuit will warn us when this happens.