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How to make resistors as we want: This is the resistor-making law. how to make a resistor. I am always taking the easy way for all my friends. before we have to know that 1000 ohms is 1k. 2k=2000 ohms. 3k=3000 ohms. if we use 2 pieces of 1k then …

How to Make Inverter at Home: This is an inverter to make 12 voltage to 220 voltage. it’s an easy inverter circuit diagram. here used only two NPN transistors. 2sc5200 transistor. and two resistors only. both resistors are 2 watts. this inverter makes 50 watts maximum. we need one 12-0-12 …

High control circuit diagram: This is an audio High control circuit diagram. this circuit can control our amplifier sound. this circuit is used as a pre-amplifier. high is for the tweeter and also call tone. here used 4558 ic. needs dual voltage for this pre-amplifier.12-0-12 voltage. positive, negative, and ground …

how to make voltage for amplifier 35-0-35: It’s a ac to dc circuit diagram. dual power circuit diagram. negative positive and ground voltage. needs a full wave transformer. it’s for 35-0-35 voltage making circuit. every amplifier needs this circuit to making a good sound. here used 1N5408 diode. 4 diodes …

How to make crossover for tweeter: This circuit is most important in the audio. every soundbox needs this circuit to protect the speaker and tweeter. without using crossover the tweeter can’t use. the speaker needs bass but the tweeter can’t take bass. without this circuit also can use a tweeter …