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February 20, 2021

Single push button relay ON-OFF latching circuit

single push button ON OFF relay latching switch one push button start stop relay This is ON OFF switch circuit by using the single pushbutton switch. In this circuit used 2 relays. Make the connection as the given diagram. When you give the supply to the connection, the output load is in OFF. Once press the switch for 1 second then […]

January 12, 2021

300W inverter circuit diagram

This is the circuit diagram of a 300W simple inverter. This inverter circuit uses two ic NE555 and SN74LS112 and 10 2N3055 Transistor with some other components.

December 10, 2020

Infrared proximity sensor circuit

Infrared proximity sensor circuit obstacle detector circuit Infrared proximity sensor circuit or Obstacle detector circuit – There are 3 infrared proximity sensor circuit that can be used as an obstacle detector circuit. When an object or your hand keep in front of about 0-5 cm, then the output will High. The infrared proximity sensor or obstacle sensor works basically on […]

November 22, 2020

Inverter with charger circuit diagram (4 in 1)

12v DC to 220v AC Inverter with battery charger circuit diagram

November 20, 2020

Su-Kam digital inverter circuit diagram

Sukam (Su-Kam) digital inverter circuit diagram. 560VA/12V sukam digital inverter circuit digram.

November 10, 2020

High power inverter with charger circuit diagram

This is the complete circuit diagram of a 1250VA/24V MOSFET inverter with battery charger. The PCB layout of this circuit diagram is below.

November 6, 2020

Luminous digital inverter circuit diagram

Luminous digital inverter circuit diagram 750VA. Specification of this popular inverter AC mains LOW/HIGH voltage protection Overload protection Low battery protection capacity to soft start of heavy loads battery charging in four steps

October 28, 2020

Relay Working, Types and construction

How does a relay work RELAY Due to the occurrence of open-circuit fault or short circuit fault electrical equipment is getting damaged. In order to avoid that we need to sense the electrical quantities such as voltage, current continuously by using a sensing device which is known as a relay. Relay Working principle A relay consists of a mechanism […]

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 5, 2020

Top10 electronic circuit diagram for beginners

The following electronic circuit diagrams very Simple, useful, and can be made by any beginner. 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 […]

September 5, 2020

Short circuit autocut relay switch for DC

Smart relay switch for DC when a short circuit occurs, Automatic Switch OFF the supply and an indicator will also start to 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 […]

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 […]

June 29, 2020

Dark sensor circuit – 4 circuit

how to make darkness circuit (4 circuits) 1. LDR Darkness circuit diagram using 555 These circuits uses directly 230v AC. so careful when testing Components capacitor 105J 400V – 2 470uf 25v -1 10uf 25v -1 0.01 uf -1 Resistor 220Ω 1W – 2 470KΩ – 2 1KΩ – 3 LDR – 1 Bridge Rectifier -1 or 1N 4007 diode […]

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