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Voltage fluctuations and power cuts adversely affect various electrical appliances such as Tv, music system, refrigerator, etc. Here is a simple and inexpensive circuit using op-amp Lm358 to disconnect the equipment during high and low voltage. We can also use LM324 to design this circuit…

Circuit Diagram Parts Required Tags 20 led chaser circuit 20 led chaser circuit diagram 4017 ic circuit diagram cd4013 how to build a light chaser circuit how to make chaser lights how to make running led light control circuit

Circuit Diagram Parts Required T1 - 230V to 15/18V/1Amp transformer. BR - 1A Bridge rectifier(or four 1N4001 diodes) IC1 - LM317T C1 - 1000MFD/40V C2 - 0.22MFD/40V C3 - 0.22MFD/25V C4 - 470MFD/25V Q1 - BC547 R1 - 0.56E/5W R2 - 220E-1/4W R3 - 100E-1/4…

Nіghtlіghtѕ are uѕеful to show thе gеnеrаl lауоut оf a rооm without turnіng on a major light, for аvоіdіng trірріng over ѕtаіrѕ оr оbѕtасlеѕ, оr tо mаrk аn emergency exit. Hеrе іѕ a ѕіmрlе multi-color nіght lіght сіrсuіt whісh hоldѕ fіvе different соlоrѕ. The dіffеrеnt…

Circuit Diagram Parts Required 9v,500mA Transformer BR - Bridge rectifier (W04 or DB107) Using this circuit, we can charge 4-volt lead acid battery with the current ranging from 2Ah to 10Ah using appropriate transformer or SMPS. With necessary modification, we can use this circuit to…