Amplifier circuit diagram using 2n3055 and mj2955: It’s the amplifier circuit diagram using 2n3055 and mj2955. this is PNP and NPN amplifier circuit. in this circuit, we can use 25-0-25 to 50-0-50 voltage. it needs dual voltage. positive negative and ground voltage. here used a 2n3055 transistor for the NPN …
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How to make 3.7-volt battery charger: How to make 3.7-volt battery charger? This is the circuit diagram of the 3.7-voltage battery charger. this is an auto charger diagram. normally we can’t find a 3.7 voltage transformer to charge this battery. we got 5-voltage or 6-voltage chargers. we can find 5 …
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Sometimes we have to control our dc motor in 2 ways. like right and left, reverse and forward. We can buy a circuit to make it. But here is an easy way to control the motor. dc motor has positive and negative terminals. If we can change the terminal, then …
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how to use diode and capacitor: here is the diagram for using diodes and capacitors. this circuit is for making amplifier voltage. making an amplifier needs dc voltage. here we use a transformer to make ac 220 to 50-0-50 voltage. this transformer is a step-down transformer. here used a diode …
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how to make water level?: how to make water level indicator circuit diagram. this circuit can use anywhere for water or oil levels. here used only 3 led for 3 levels. if we want to make more levels then we can increase more transistors and LED. here used NPN bc547 …
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how to make mosfet amplifier: how to make mosfet amplifier. normally we use the transistor amplifier circuit diagram. but here in this circuit, we have to use MOSFET. MOSFET amplifiers are high-power amplifiers. we can use big voltage and amperes in this circuit. this circuit has 2 MOSFET. we are …
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how to make a fan controller?: how to make fan controller circuit diagram. here used PTC C831 to control the room temperature. this PTC works as a resistor. PTC resistor depends on temperature. this PTC is used in this automatic fan controller. Negative Temperature Coefficient (NTC) thermistors have less resistance …
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how to make a low pass filter for a subwoofer: this is a circuit for driving only a bass amplifier. this circuit makes bass only. when we use a sub-woofer. every subwoofer needs a bass amplifier. every bass amplifier needs this circuit to make only bass. it’s called a low-pass filter. …
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How to make 12 volt inverter: This is a 12-volt inverter circuit. It’s a simple inverter circuit diagram. Here, used 2 MOSFET IRFZ44 are used. It’s a good quality MOSFET. It needs 12 voltage full-wave transformer. 12-0-12 voltage transformer. 12-0-12 voltage, 10 amperes transformer needed. We know voltage X amperes=Watts. …
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How to make pure DC voltage: This is a circuit to make ac to dc voltage. we make dc voltage using a diode. and we make pure dc to using a diode and capacitor. we use a transformer according to our needs. we make primary section and secondary section. primary …
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Electronics Help Care Amplifier circuit diagram