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How to make a password: This is a circuit to make a password. this is the best easy security system. 6 digit. here used 6 changeable switches to make 6 separate numbers. sometimes we need easy security then we can use this system.  transistor circuit diagram of 2sa1943 and 2sc5200 …

How to make voltage high and low: This is a voltage circuit diagram for the audio amplifier. How to make voltage high and low? this circuit controls the voltage for the amplifier. we can use this circuit to control the high and low volt. low 60 volt to 120 high …

Tip41c npn power transistor: this article is about tip41c npn power transistor. this transistor has 4 types. One of the best transistors for a small amplifier circuit board. it’s an NPN transistor. positive transistor. 1st leg is the base 2nd leg is the collector and 3rd leg is the emitter. …

Audio amplifier circuit using tda2050: This is an audio amplifier circuit using tda2050. here use one Ic and 2 transistors. tip41 and tip42 transistors. tda2050 works as a driver. here used 18-0-18 volt and 3 amperes. the dual voltage needs to run this circuit. positive negative and ground voltage.  Component …

Transistor amplifier circuit diagram: This is a transistor amplifier circuit diagram. this is the transistor diagram. this circuit needs a driver circuit, this diagram can make 800 watts. one pair of transistors can make 100 watts. here used 4 pair transistors. we can modify the transistor pair. we can use …

Easy voltage regulator: This is an Easy voltage regulator for 12 12-voltage motors or lights. we can make 0 to 12 voltages using this circuit diagram. here used one transistor 2sc5200. one adjustable variable. transistor has 3 pins. 1st one is the Base. 2nd one is the collector and 3rd …

Amplifier circuit using tda2030: This is an amplifier circuit using tda2030. here used 15-0-15 voltage. this diagram can make 18 Watts + 18 Watts. it’s a stereo diagram. the left side makes 18 watts and the right side makes 18 watts. must use a heat sink with TDA2030 IC.  R1+R2+R5+R8=22k. …

100 watts transistor amplifier: This is a mono 100-watt transistor amplifier circuit diagram. this circuit diagram can make 100 watts using one pair of transistors. we can use here 30-0-30 voltage to 60-0-60 voltage. but we are using here 50-0-50 voltage and 3 amperes. if we need stereo sound then …

how to make 12-0-12 voltage: This is how to make 12-0-12 voltage. this circuit diagram can make any voltage. here we can make dual voltage positive negative and ground voltage. here used 2 transistors. One transistor is a positive transistor and one transistor is negative. A1941 is a negative transistor. …