electronics, circuit diagram, schematic diagram, Projects,Tutorials

October 19, 2020

Number system, Decimal, Binary, Octal, Hexa conversion

Number system A number system is a system to express or representing a number by using a set of mathematical notation or digits or symbols in a specific manner. Number system represents a unique notation or code for every number and it also allows to operation of mathematical operations like addition, subtraction, and division. The number of systems are used […]

September 26, 2020

Bird Sound Generator Circuit Using Arduino

Bird Sound Generator Circuit using Arduino This is the schematic diagram of the birds sound generator. Connect 1 NPN transistor BC547, emitter pin of this transistor is conned with the 5V supply and a 10K resistor is connected with Ground to pin no 2 of Arduino. Connect A push button switch between the pin no 2 and 5v VCC supply. […]

September 19, 2020

Stabilizer Circuit Diagram

Here I am presenting some Most using and popular automatic stabilizer circuit diagram. 3 relay stabilizer circuit diagram These are the following schematics diagrams of most using stabilizers. you can troubleshoot or construct a stabilizer by using the following circuit diagrams. these circuit diagram includes 2-relay, 3-relay with IC and without IC and with high voltage auto cut. All are […]

September 14, 2020

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 of components value can change […]

September 5, 2020

7 simple electronic circuit diagram for beginners

2 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 the preset to what level of temperature do you want to automatically detect. You get a signal from the […]

September 5, 2020

Short circuit autocut realy switch for DC

Smart relay switch for DC when a short circuit occurs, Automatic Switch OFF the supply and an indicator will also start glow. This is just like an MCB used for AC. This switch used for DC supply. This automatic Cut relay switch is very useful for damage protection to the circuit from the Short circuit. If you want to use […]

August 28, 2020

4 Fuse blown indicator circuit diagram

Fuse blown indicator circuit diagram

August 8, 2020

Darkness detector Shadow alarm circuit

Light sensor circuit Shadow detector A Buzzer beeped and led will glow for a fixed time when a shadow falls on a phototransistor. This is a very sensitive light-sensitive circuit operated using the 741 opamp ic and 555 timers. Here 741 ic is connected as a comparator which compares the voltage at the input. It is able to detect the […]

July 15, 2020

What is Comparator

Comparator A comparator is a circuit that compares two input voltages or currents and gives output High or Low as per input signal. The Output is a digital form according to the input signal compared with the reference. Basically a comparator is used in electronics to compare the two Analog input signals given on both input terminals and we get […]

July 15, 2020

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. There are three main quantities […]

July 13, 2020

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 feedback amplifier that uses voltage […]

July 11, 2020

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 P and N-region. It differs […]

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