An electronic project is basically a circuit project built using a handful of passive and active electronic parts by soldering them on a printed circuit broad or PCB. Some of the best electronic circuit projects you can learn from this website are provided below: New Posts. Voltage Controlled Oscillator Circuit. How to Use Diodes, Transistors, ICs as Temperature Sensors. Extended High Bass Effect from Small Speaker Box [Cross-Over-Filter]. DC to DC Converter Circuits using SG [Buck, Boost Designs]. LM Datasheet, Pinout Function, How to Use. Follow along as I design and build an electronic circuit from concept to completion. If you are starting to design, or have been designing circuits, you may. Electronic Projects: This is a collection of relatively simple electronic projects that I want to build.P.  Electronic Projects. By Newoldbuilder in Circuits Electronics. 73, Suggested Projects. This is a collection of relatively simple electronic projects that I want to build. P. Audio crossover is an electronic filter used in audio applications to send the appropriate signal to the speakers or drivers. The maximum controllable range is meters. Comments I am a student of 1st semester BSelectrical Engineering and workshop class and electdonic of battery charger plz give me circuit diagram of it. It can be used in various power amplifiers and oscillators to provide DC supply. This circuit is designed to alert the user electronic projects to build guide an intruder electronic projects to build guide eelctronic home. This is a simple IC testing-circuit which tests your entire timer IC. Career advice and jobs related to electronics and IOT.

Thanks very much.. As we are in final year. Lovely circuits…. Iam electronic and communication engineering student. I am much into circuit project. Thus I will definitely choose radio circuit project. Anyway, thanks for sharing this information. Keep it up. In future want to see like this more. I will take some of the projects and try on my own…. After going through this article I remembered my project which I made in my final year!!!

The process is incredibly easy to do. The benefit is that you'll get face-to-face time to work with like-minded people and learn new skills in a safe environment. To find a space in your area, Hackerspace provides an up-to-date listing of every registered space across the country. Most of these spaces also have a weekly or monthly event where people can go in and familiarize themselves with the space and meet the members.

It's no secret electronics tinkering is a bit overwhelming at first, but it's really not as hard as it seems. Once you learn the basics you can tackle nearly any project that comes to mind. Photo by Mitch Altman. Title photo by Trammell Hudson. I tried building a guitar distortion pedal kit last year. Got the whole thing wired and soldered I thought and no signal and I have absolutely no idea how to find out where my signal is stopping on the circuit board.

Anyone here able to provide a reference to a way to figure out what's gone wrong? The A. Thorin Klosowski. Share This Story. By using this circuit, there is no chance to cheat as the circuit operates at such a high speed that the circuit is almost imperceptible to the human eye. This is a simple metal detector circuit that is very useful for checking the person in shopping malls, hotels, cinema halls to ensure that person is not carrying any explosive metals or illegal things like guns, bombs, etc.

This panic alarm circuit helps us to intimate others regarding our bad situation without any delay. It is more useful when an intruder entering our house or bad health status at which we are unable to intimate to the people around us. The main aim of this project is to operate and control the unmanned railway gate in the proper manner in order to avoid accidents in the unmanned railway crossing.

This circuit can be used for decoration purposes or can be used for a signaling purpose and many more. Generally, we use small voltage bulbs in the dancing bulbs. This circuit is mainly used on occasions, pubs, decoration articles, or in visual indication signboards, etc. Here in this project, we have used bi-color LEDs for sequential running light.

This is the circuit diagram of an unambiguous night lamp switch, which turns ON our domestic lights automatically when it is dark, without human interference. It also avoids repeated frequent switching of the devices which is usually ignored in most similar circuits but may have a detrimental effect on our operating devices.

This circuit is a temperature sensing as well as an alarm circuit. The circuit raises an alarm whenever the temperature crosses a certain limit. This circuit helps us to get alerted when anybody picks our pockets or bags. The circuit is very helpful to prevent our goods from getting pickpocketed. This circuit helps the soldering iron to turn off automatically when it detects overheating and thereby avoids it from getting damaged.

This circuit rings an alarm when you point a TV remote at it and press on any button. This can be used as a calling bell to call your assistant. Here is the circuit diagram of the battery charger circuit using the Silicon Controlled Rectifier. SCR can be used in half-wave rectifier, full-wave rectifier, inverter circuits, power control circuits, etc. This FM bugger circuit is kept in the room where you want to listen to the conversation.

You can listen to this conversation using the normal FM radio set. This is a simple circuit which helps to detect the presence of an activated cell phone by detecting the signals in the frequency range of 0. It helps in mobile phone tracking which is used for spying. This circuit is more helpful in handling unexpected and undesired darkness in our homes or offices.

It provides a considerable amount of brightness required to do our daily tasks. By using this circuit, we can control any household appliance with the help of a remote. In this project, there are two parts— one is in the transmitting section and the other is in the receiving section. The receiving section will be in a stable position that is connected to any load and the transmitter will act as a normal remote.

This circuit works as a continuity tester device that tests the continuity of the wire at hand. It is an indispensable tool to check broken wires and undesired shorting of wires. Rainwater detector will detect the rain and make an alert; rainwater detector is used in the irrigation field, home automation, communication, automobiles, etc.

Here is the simple and reliable circuit of a rainwater detector which can be constructed at a low cost. This project circuit is more useful in watering plants automatically without any human interference. It is more useful when the owner is not present in the home for a few days. Lead Battery is a rechargeable battery and is more useful in our real life as it will dissipate very little energy, it has very low energy to weight ratio, it can deliver high current, can work for a long time with high efficiency, and is very low cost.

The motion detector is not only used as an intruder alarm but also used in many applications like home automation system, energy efficiency system, etc.

The motion detector will detect the motion of the people or objects and give the appropriate output according to the circuit. This circuit is useful in charging the mobiles through the USB outlet present in our laptops and PCs. For the charging of your mobile phone, this circuit provides you a regulated voltage of 4.

This circuit helps you to guard your precious documents as well as a jeweler from intruders or theft. All you need is to just place this circuit in front of the locker or below the mat so when an unknown person comes and walks over the switch, the circuit will trigger, Cool Electronic Projects To Build At Home Pdf and the sound of alarm comes. Here is the simple electronic mosquito repellent circuit which can produce ultrasound in the frequency range of kHz, which can scare away mosquitoes.

This is a Jammer circuit which is used to block the signals. Jammer circuit produces the high-frequency signal which will confuse the receiver of a particular system from receiving the signal, even though the circuit is working properly, a user of the system feels that the circuit is not working properly.

The whole circuit is based on IC CA This battery charger circuit works on the principle of controlling the switching of an SCR based on charging and discharging of the battery. This is a simple circuit diagram which helps to describe interfacing of 16X2 LCD module to AT89C51 which is an family microcontroller. Here are two simple fire alarm circuits that are used to detect the fire automatically and inform to the people immediately with an alarm.

This is a simple circuit that needs no physical contact with the appliance. This is a simple circuit that helps in finding out any letter dropped in our box by stopping the LED lights attached to this circuit. This is another simple but very useful circuit that helps to ON or OFF a device without moving from your place and helps to control the speed of the electric devices like a fan, etc.

Here is a simple voltage is driven inverter circuit which converts 12v DC signal to single phase v AC using power transistors as a switching device.

The maximum range of transmission is around 2 km. Here are the circuit diagram and working of the w subwoofer amplifier circuit. A Subwoofer is a loudspeaker which produces audio signals of low frequencies. This is a simple and very useful circuit in our real-life named DTMF controlled home appliances system.

It helps to control the home appliances using DTMF technology. This article describes the circuit that switches the street lights on detecting vehicle movement and remains off after a fixed time.

This system controls the street lights using the light-dependent resistor and PIR sensor. This is a simple IC testing-circuit which tests your entire timer IC. So before using your IC, you may check whether your IC is good or bad by using this circuit. This circuit will open and close the curtain of your home and office just by pushing a switch. So, with the help of this unique circuit, we do not need to move from one place to open and close the curtain.

This is a circuit which helps to check or test your electronic projects and also to charge the Mobile phone batteries. This circuit can also work as an emergency light. This is a simple circuit that consists of 9 LED lights in knight rider scanner mode. It will present an eye-catching look as the LED initially travel in one way and then travel reverse in a similar direction.

This is a simple alarm circuit which helps in ringing a warning alarm when someone tries to steal the luggage. This circuit helps you to manage your appliances in your home by just clap without moving from your bed. This is accomplished using a capacitor-based power supply. This is a low-cost and efficient circuit and can be used at home.

This is a simple LED cube circuit designed without using the microcontroller. It is based on the principle of driving LEDs using the clock pulses. Here is the monostable multivibrator circuit diagram and working. The multivibrator is an electronic circuit that will work as a two-stage amplifier operating in both stable and a stable mode. This is a circuit used to generate morse code.

Morse code is a very old and versatile technique to send text messages using wireless media. The trigger pulse, produced by pressing the button, must be of shorter duration than the intended output pulse.

In this circuit, there are three resistors named R inside it and all have equal values. The logic state of the flip-flop is controlled by the reference voltage which is given to one of the inputs of both two comparators. This is a simple circuit that is more useful to save our resources, energy, and money by installing in your homes.

In this circuit, at the starting LED glows slowly, then grown brighter, and once again slowly it became dim. The basis of the whole circuit is an operational amplifier IC named LM This Voltage regulator circuit is used to get a fixed voltage at the output without depending on the input voltage.

This is a simple circuit used to decorate your house by building Christmas lights using LEDs. It is mainly useful for music lovers. This airflow detector circuit can be used to detect the flow of air in areas like a car engine.

It can also be used as a temperature detector. Here we designed a power amplifier circuit using push-pull class AB configuration to derive a power of W to drive a load of 8 Ohms speaker. This is the circuit diagram of the display decoder which is used to convert a BCD or binary code into a 7 segment code used to operate a 7 segment LED display. The main principle of this circuit is to display the digital temperature value. These are mainly used in environmental applications.

This is a simple circuit that displays count from 0 to 59, representing a 60 second time interval. It consists of a timer to produce the clock pulses and two counter ICs to carry out the counting operation. It produces different tones or sounds depending on the frequency range. This simple RFID based attendance system is designed using ATmega8 Microcontroller and is mainly used in educational institutions, industries, etc. This is a simple low power audio amplification circuit designed using timers.

It can be used to develop low power music systems used in vehicles. The Atmega16 belongs to the AVR microcontroller family. CD is a JK flip-flop that is generally used for data storing. With the help of this circuit, we can also identify whether the components we are using in our circuit are good or bad before mounting them on the PCB.

This is a simple and funny game circuit that contains 10 LEDs that are moving in an arbitrary fashion and we must target a particular LED given by your challenger.

A multiplexer is a circuit that accepts many inputs but gives only one output whereas a demultiplexer accepts only one input and gives many outputs. Get an idea about their circuit diagram and pin diagrams in this post.

It is very flexible Cool Electronics Projects To Build Ltd and is employed in many circuits like a voltage regulator. Here we have shown how to design these basic logic gates using one of the universal gates — the NAND Gate. This circuit produces a sound similar to the police siren. You may also get detailed information about the pin diagram and internal block diagram of the NE timer.

We built the circuit using a microcontroller which scans the input from push buttons and displays the corresponding number on a display device. The main principle of this circuit is to increment the values on seven segment displays by pressing the button. This circuit can be mainly used in scoreboards. Two identical circuits are needed, one is for the left and the other is for the right. The main heart of this circuit is timer. This circuit simulates the police car lights by alternate flashing.

This flashing action performs continuously, and this uses timers and a decade counter.

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