555 tone generator circuit diagram

Siren Sound, Bird Sound, Tone generator using 555 timer

Tone generator circuit using 555 timer Bird sound generator, Ambulance Siren Generator These are some circuit diagrams of the sound generators. Sounds are like Bird sound, Ambulance siren, Beep Horn, and other different types. Use 9 to 12v Dc supply and components value should be the same as suggested in the diagram because any variation …

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over heat sensor circuit diagram

Best 10 electronic circuit diagram for beginners

The following electronic circuit diagrams very Simple, useful, and can be made by any beginner. LED flasher circuit using transistor  Battery level indicator circuit diagram Mini Fm transmitter circuit up to 50M range contactless electric line tester detect the line when the sensor wire touched over the cover of wire overheat or temperature sensor Adjust …

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ohm law

Ohm’s Law

Ohm Law What is ohm’s law In the electrical field, Ohm’s law is a very important topic. This law is asked in almost all interviews and as basic fundamentals of electrical engineering for all who related to electrical engineering. This is a very important fundamental law that describes the Relation between Current, Voltage, and Resistance. …

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operational amplifier symbol

Operational amplifier (Op-amp)

Operational Amplifier (op-amp) An operational amplifier or op-amp is basically a multistage, very high gain amplifier having very high input impedance (typically a few Mega ohms) and low output impedance(Less than 100 ohms) and has the capability to amplifying signals of frequency ranging from zero HZ to 1MZ. Opamp is basically a multistage, direct-coupled, negative …

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PIN diode Working, Structure and Application

PIN diode What is PIN diode A PIN diode is one type of diode in which a wide undoped (pure form),  intrinsic semiconductor region placed between (sandwiched) a P-type and N-type semiconductor region. This intrinsic semiconductor layer has high resistivity. The high resistive layer of the intrinsic region provides the large electric field between the …

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remote control ac dimmer arduino circuit

Arduino Remote control AC Dimmer

Arduino remote control AC Dimmer The brightness can be controlled using the IR remote of TV, DVD, etc. Dimming Control system using MOC3021, BT136 Triac and a zero-crossing detector circuit based on the MCT2E optocoupler. Optocoupler provides complete isolation between the AC side and the DC controller side. So if any fault or short circuit …

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servo motor pin diagram

Servo motor control using Arduino UNO

Servo motor control using Arduino Introduction What is Servo Motor Servo motor is a type of motor that can move or rotate its shaft in a specific angle with high precision control of angular or linear position, velocity, and acceleration.  This is actually a DC Motor whose speed is slowly lowered by the gears. Servo …

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tunnel wiring

Godown wiring, Tunnel wiring, Two way switch wiring,

Light switch wiring Two way switch wiring Normally in general light switch wiring, we use normal 1 way switch wiring. In simple light switch wiring, we don’t need any special technique and all lights are connected through a separate one way switch with a parallel of supply. We see a normal 1-way switch wiring in …

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Active,Passive,Linear,Non-Linear,Unilateral, Bilateral Elements

What are electrical elements All those elements which provide, consume, transfer or control the electrical energy. Called the electrical elements. Classification of electrical elements There are many types of electrical elements, but some main classifications are – 1.On the basis of energy transfer there are two types of electrical elements on the basis of energy …

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Norton theorem

Norton theorem Norton’s theorem statement In Thevenin theorem, we see that in any complex circuit sources are converted in single voltage source Vth with the Series resistor Rth. Norton’s theorem is also a method to convert any complex network into a simple circuit. Norton Theorem, any two-terminal complicated network circuit can be converted in single …

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Thevenin theorem

Thevenin theorem Thevenin theorem statement Thevenin’s theorem is very important in point of view to Simplify the Network and Reduction of Network complexity in any circuit. This is also a very important theorem for Engineering and diploma students in basic Electrical. Thevenin theorem definition According to the Thevenin’s theorem, any linear bilateral network irrespective of …

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