2019-11-02 17:20
Imagine your dad is old. Sure, he hears anything weak sound.
How do you do?
You are an electronics inventor, right?
Yes, you can try to make a tool. To help him back to listen to great music… Read More
Blog Directory > Technology Blogs > Gadgets Blogs > Electronic projects circuits gadgets Blog >
Electronic Projects Circuits Blog
eleccircuit.com
Tags:
audio amplifier
basic electronic
watts audio car
music dancing
amplifier circuit stereo
electronic projects
automatic
circuit watt
amplifier multiple output
electronics
Collection of electronics projects and simple electronic circuits as science projects, easy make with PCB, for beginners, hobbyist and student.
2019-10-28 14:00
Automatically change the dark corner of the house to be brighter with LED. No AC main but can run with battery solar charger. Do not doubt that How does it work or is it easy? Let's learn.
T… Read More
2019-10-09 15:22
This is Mini 40 watt audio car amplifier circuit using HA13001 on BCL system, so small and easy with PCB layout and can all 12V-14V power supply
The post HA13001 – 40 watts Audio Car A… Read More
2019-10-07 07:36
This is a simple zener diode regulator circuit ,Simple Fixed regulator, multiple output voltage are: 12V, 15V, 30V
The post Power Supply for Audio Amplifier , multiple output 12V, 15V… Read More
2019-10-06 10:40
This is gainclone amplifier circuit, project as stereo 40W-56 watt main amplifer use LM3875. It easy to build by 2 ICs ,more a few parts ,without any set...[...]
The post LM3875 Gainclone Am… Read More
2019-10-04 08:11
Here is a LM1875 datasheet, used for a 20W audio amplifier on Class AB type. Voltage Gain is 90dB. Low Harmonic Distortion Noise is 0.015%, 1KHz, 8 ohms [...]
The post LM1875 Datasheet 30W… Read More
2019-09-22 05:08
Over 200 mini electronics projects, with circuit diagram and PCB. For ECE,EEE and electronics students,Suitable for those who are interested as a hobby.
The post Mini Electronic Projects app… Read More
2019-09-14 09:03
See a collection of many basic electronic circuit experiment makes you learn electronics with fun. And clear understanding. Let's get them here!
The post 99+ Basic Electronic Circuits for yo… Read More
2019-09-11 14:13
Use high frequency out of the piezo speaker and IC-556 is base as oscillator between 22kHz and 56kHz
This projects is safer and more convenient.
The post Insects and mice repellent circuit u… Read More
2019-09-10 18:45
Imagine you have a great Hi-Fi power amplifier. But it may not be colorful for you. We recommend this, high power music dancing light circuit. You may like it. You will see the lamp flashes… Read More
2019-09-07 12:17
See 4 LM317 Lead-acid battery charger circuits for 6V, 12V, and 24V battery. With automatic charging and full charged Indicator using TL431. Easy to build.
The post 6V, 12V, 24V Lead acid ba… Read More
2019-09-05 09:15
Are you bored? Watching TV or playing games not your way. Let's do the Hobby Electronic Projects. I try to collect project lists. You may build quickly them when having free times. Most chea… Read More
2019-09-01 13:32
SEE a simple salinometer or salinity tester in food and water. Good for health. Using LM324 and few parts and LED display easily use, with 9V batts
The post Food & Water Salinity Tester… Read More
2019-08-31 15:23
If you want build hi-fi power amplifier about 30watt to 50Watt or 75 watt. Recommend use TDA2050 below, builds by the integrated circuit and PCB layout.[...]
The post TDA2050 amplifier ster… Read More
2019-08-30 08:25
Have ever you see SCR? Some may it instead of switches and relays. We have seen it works high speed and quiet. Sound good, doesn’t it? If we are going to learn how does SCR Works. What… Read More
2019-08-30 00:27
Do you want low-frequency class B power amplifier? See TDA2020 may be one of choice that you not should miss. Gives 20W to 80W with helping from a transistor.
The post TDA2020 OCL HI-FI Pow… Read More
2019-08-26 15:27
See 3 ideas of 555 DC polarity probe tester circuit. Check Car Electrical in easy, find open circuit, automotive short circuit, loose connection. Learn more
The post 3 idea Polarity & Ca… Read More
2019-08-25 04:48
When we use the bicycle(normal bike) at night. we used IC1 IC555 Oscillator signal is output to a lot LED super bright.
The post 20 LED Rear Bike Light Flasher circuit using 555 appeared fir… Read More
2019-08-24 13:31
This is a circuit that features a running pace with a changing voice, the tiny microphone. For a frivolous fun.
The post LED Dancing light circuit with Music appeared first on Electronics Pr… Read More
2019-08-24 11:18
This is Stereo Balance Indicator Circuit. You have a stereo system. But the level of both channels right and left are not the same. Yes, you can adjust with the Balance button. But it’… Read More
2019-08-24 05:26
In this post, I am going to show you a simple LED music light circuit. It is interesting because of similar to a VU meter circuit. Music can change the LED light level gamut. We may apply th… Read More
2019-08-23 01:37
This is a small Stereo amplifier 3W + 3W using BA5406-IC. It use 12V power supply as source of this project. and use a few part so easy to build.
The post BA5406 amplifier Stereo 3W appeared… Read More
2019-08-21 15:36
This is a bass booster circuit that use transistors as base. It is designed to increase a low frequency of audio on cheaper than ICs or normally circuit.
The post Transistor stereo bass boos… Read More
2019-08-20 10:04
his is Digital multimeter circuit using ICL7107. dc digital meter circuit to smart full function, measure DCV, ACV, DC Amp meter, AC Amp meter, Ohms [...]
The post Digital multimeter circuit… Read More
2019-08-20 09:40
See simple intercom circuit using transistors and a few parts. So easy build and cheaper than ICs. For a small home and learning.
The post Simple transistor intercom circuit appeared first o… Read More
2019-08-18 18:28
See simple Infrared Intruder Alarm circuit. Even it is best. But it is a good teacher to learn electronics. Using infra-red system.
The post Infrared Intruder Alarm circuit diagram appeared… Read More
2019-08-17 23:16
Simple electronic drum circuit project is an Instrument of this era really, various sound effects and many others, using digital IC and more
The post Simple electronic drum circuit using MC1… Read More
2019-08-15 11:45
This is 2 watts + 2 watts Stereo small LM386 amplifier x3 ICs. It is cheap and easy to builds for BCL amplifier,mobile,MP3 player using 6V battery (AA x 4) [...]
The post LM386 stereo amplif… Read More
2019-08-13 07:59
See: 555 PWM DC LED dimmer circuit in 12V source. For a lot of loads even control the speed motor. Nearly with loss and high performance
The post 555 PWM LED dimmer circuit diagram appeare… Read More
2019-08-09 13:55
SEE DIY compressor time delay circuit. Protect your compressor when power outage and Electrical fluctuations. Using normal parts and cheap.
The post DIY Compressor time delay circuit appeare… Read More
2019-08-07 03:23
To Control speed DC motor easily with a few parts in circuit.
The post 12 volt dc variable speed motor controller circuits using CMOS appeared first on Electronics Projects Circuits Read More
2019-08-05 06:01
DC Switching Regulate 3A
The post LM2596 circuit voltage regulator and datasheet appeared first on Electronics Projects Circuits Read More
2019-08-03 07:14
TL084: low noise OP-AMP in cheap. Use JFET input. Why popular in audio & a lot of circuits: wide bandwidths and fast slew rates. Example:
The post TL084 circuits JFET Input Op-amp datash… Read More
2019-08-01 11:33
The 3-pin regulator 7800 series get very popular. I also like it. Because it is convenient and affordable. Although inside it has short circuit protection. But often, it would have been dama… Read More
2019-07-15 13:40
Imagine you finish the PWM signal with Arduino. You need to use a solenoid valve. But it uses high current to control. So you should use a solenoid coil driver circuit. This may be one good… Read More
2019-06-14 13:34
Learn DC voltage regulator circuit, Types of, Fixed and Adjustable. How it works, for example, circuits using Zener diodes, transistors, and more.
The post Fixed voltage regulator working pr… Read More
2019-06-09 03:03
Learn Unregulated power supply! Here an important basic. You should know. Diodes rectifier, Designing, reduce ripple, capacitors filter.
The post Working principle of unregulated power sup… Read More
2019-06-02 04:09
You finished an audio circuit. But the sound is too weak.
Many people use LM386 to increase sound up to a speaker. Why should you do it too? Some said to try it now.
But...it is better. If y… Read More
2019-05-31 10:23
The IC-TDA2009 amplifier circuit on stereo 10W+10W IC is to qualify from the power supply 8-24V, the current maximum of 1-2A. and 24V load 4 ohms [...]
The post TDA2009 amplifier stereo 10W… Read More
2019-05-23 08:10
This is a simple step up converter circuit which can increase input voltage of 3-12 V into 4.5-22V at current 1-300 mA.use small audio amplifier TDA2822[...]
The post Step up converter circu… Read More
2019-05-21 10:55
This is DC boost converter circuit that can use 3.3V to 5V power supply source into DC 12V-13.8V output max current 100mA. It is switching circuit better than the old circuit.
The post DC Bo… Read More
2019-05-18 13:12
Relatively easy to build up to 30W Amp OTL by TDA2030 transistor is packed into this project.the power dissipation of 20W at 8 ohm or 30W at load 4 ohm
The post TDA2030 transistor amp circui… Read More
2019-05-12 13:00
This is First Variable DC Power Supply 1.2V to 30V 1A using LM317. using a few parts and build easy with PCB layout and can fine adjust voltage output.
The post Variable power supply using L… Read More
2019-05-07 05:48
Not suitable for beginners!
The post 0-30V 20A High current adjustable voltage regulator circuit appeared first on Electronics Projects Circuits Read More
2019-05-05 15:15
Here is simple ICL7017 digital voltmeter circuit easy to build and cheap because it is high technology, by single IC,small number, along by LED 3 digit.
The post Digital voltmeter circuit di… Read More
2019-05-01 09:43
Suitable for beginners thought will build the electroacoustics to listen yourself.
The post TDA2030 stereo amplifier circuit appeared first on Electronics Projects Circuits Read More
2019-04-30 03:47
Here are basic electronic components list with images. We need to meet them to build electronics circuits. With seeing shape, value, number.
The post Quick Learn Basic Electronic Components… Read More
2019-04-27 10:51
Simple Key code lock switch circuit using IC-4017 digital, uses 10 switch bottom to control output by Relay. No microcontroller so easier and cheaper!
The post 10 Key Code Lock Switch Circu… Read More
2019-04-26 09:18
This is the Class G 300 watt MOSFET Power amplifier circuit with PCB MOSFET. It have more feature, maximum RMS output power: 200 watts at load 8 ohms or 360 watts at the load 4 ohms.
The po… Read More
2019-04-25 05:54
This is dual 15v power supply schematic, using LM7815,LM7915,and power transistor and zener diode for voltage stable voltage 15 volts positive and negative. [...]
The post Dual 15V Power Sup… Read More
2019-04-24 15:49
This is a simple voltage regulator using 2N3055. Here is 12V 1A linear regulator using a transistor and Zener diode. It is a series voltage regulator because the load current passes thr… Read More
2019-04-24 13:37
Good transistor audio amplifier circuit, at 40 watts OCL RMS using 2N3055+MJ2955 is easy to build,and very inexpensive. To use Power Supply +35V -35V 2A.
The post 40W transistor audio ampli… Read More
2019-04-21 07:04
CAR Radio transmitters to use in home, need a ham radio power supply DC-12V or high current 13.8V power supply with enough power out of 5A - 30A. [...]
The post High Current 12V-13.8V at 30… Read More
2019-04-20 08:45
Most common linear electronic circuit symbols and diagrams are very important in the circuit design or the circuit drawing
The post Electronic Circuit symbols appeared first on Electronics… Read More
2019-04-12 08:05
This is 12V 5A linear power supply circuit. Also, how to find resistors onside. I like to use a series of 78xx regulator ICs. Because it is so easy with a few parts. If we want 12V output. S… Read More
2019-03-30 17:56
This Diode tester circuit can check the diode the good or bad and also can indicate its polarity. using op-amp 741IC and LED for display. [...]
The post How to test a diode without meter ap… Read More
2019-03-27 09:45
This is a transistor equalizer circuit. We use it for controlling the audio frequency. Because some kinds of audio frequency response are not smooth. It helps a frequency offs… Read More
2019-03-27 03:53
These are Tone control circuit using op amp - NE5532 or 4558 IC as low noise, with PCB layout, can adjust sound frequency and tone bass, treble, mid and..
The post 3 Tone control circuits… Read More
2019-03-26 01:59
This is Simple non-contact voltage tester using transistors next one circuit that use all transistor as main,it is cheap and easily build. Which many friends likeNon contact AC Detector Volt… Read More
2019-03-22 02:22
TIP to buy! If you are looking for some electronic components for your projects. I would like to recommend you some electronic supplies store.
The post Some good electronic supplies store ap… Read More
2019-03-14 05:24
This is increasing output voltage 78xx using diode, is a fixed voltage regulator. Its output can rise by adding diodes, accurate, easy, and save. See more!
The post How change 7805 Voltage u… Read More
2019-03-03 14:35
Many how to make simple touch switch circuit project. To build easy. Using transistor and IC like 555 timer, 4011 CMOS, flip-flop IC.
The post 7 simple touch switch circuit projects appeared… Read More
2019-03-01 15:28
There are 250 simple electronic projects and cheap for you. Are you improve yourself by creating an electronic project? Let's get started!
The post Simple electronic projects appeared first… Read More
2019-03-01 13:38
This is 12v to 5v converter step down as 3A Regulator, Learn More Now!
The post 12v to 5v converter step down 0.05-3A Regulator appeared first on Electronics Projects Circuits Read More
2019-02-25 17:22
This is a simple DC to AC Converter circuit,to converts 12VDC to 220VAC 50Hz/110V 60Hz as adjust frequency output using CD4047,MOSFET,power transistor and more
The post DC to AC Converter ci… Read More
2019-02-24 13:40
We will try the PIC microcontroller 2 led flasher circuit using PIC16F627.
Because like this circuit Which we can set ON-OFF of both LEDs for easy, long and accurate.
The post PIC microcontr… Read More
2019-02-15 09:59
How to reduce voltage for LED and others loads. We use a limiting current resistor reduce current or voltage in a series circuit. So easy to do
The post Current limiting resistor for LED and… Read More
2019-02-13 23:58
Why project does not work? Sometimes solder joint is bad. You need to know How to solder a circuit board. Easy but have to practice!
The post How to solder on circuit board appeared first o… Read More
2019-02-11 07:48
This 50W OCL main amplifier circuit has high quality and economical,it is designed simple,easily created, electronics rookie.cheap when compared to other
The post 50W OCL main amplifier usin… Read More
2019-01-20 01:06
We often look at a lot of resistors in many electronic circuits. Do you know how to use it? How it works. I think it is a very important electronic device. If you do not have them. Your proj… Read More
2019-01-16 06:44
The Hi Fi preamplifier circuit project to tune smooth bass-treble, with a very low distortion. Use low noise transistors Frequency response range 20Hz-20KHz [...]
The post Hi Fi audio tone c… Read More
2019-01-11 05:15
This is a 3A adjustable regulators using IC-LM350 that looks like LM317 Variable DC Power Supply, but high current higher 3A, adjust voltage 1.2V to 30V
The post LM350 adjustable voltage Re… Read More
2019-01-06 10:45
To Learn Relationship of voltage current power and resistance with water flowing so easy. Look at Ohms Law, basic electricity you should know.
The post Relationship voltage current resistanc… Read More
2019-01-03 06:28
The video amplifier splitter circuit, it is designed to take video signal is stronger. Compensate for the loss of signal, and is video splitter video [...]
The post Video amplifier splitter… Read More
2019-01-02 10:51
This is how to modify old Lead-acid battery charger or convert power supply to battery charger in automatic. To protect over charging by CA723 and power SCR
The post Converts power supply to… Read More
2019-01-02 08:55
First time for learning how to use LEDs.
The post How to use easily LEDs appeared first on Electronics Projects Circuits Read More
2018-12-31 07:51
When we build variable DC power supply,output 1A and adjust up to about 30V. Most use LM317, because high-efficiency, easy to apply and cheaper[...]
The post LM317 Regulators CALCULATOR app… Read More
2018-12-30 22:29
Power up smart. Increase your time easily!
The post Automatic battery charger circuit appeared first on Electronics Projects Circuits Read More
2018-12-30 09:59
How to reduce voltage for led with limit current in to resistor in series together. LED like voltage drop across 1.8V, at 10mA-20mA current. [...]
The post How to use resistor Reduce Voltage… Read More
2018-12-30 09:15
My son want to make a simple DC voltmeter on 0-10V range by Convert a galvanometer to voltmeter.Galvanometer DC1mA is cheap and easy with one resistor only.
The post Convert a galvanometer t… Read More
2018-12-30 04:26
Do Not Make This circuit If You are not brave enough.
The post 0-30V 0-5A regulated variable power supply circuit appeared first on Electronics Projects Circuits Read More
2018-12-28 11:32
It will prevent the speaker from too over high power output may speaker damaged it use transistor and relay cut off as safe.
The post Speaker protection circuit appeared first on Electronics… Read More
2018-12-28 00:13
If you are building a normally OCL power amplifier. You will hear sound “tlub..” on your speaker. That is not good for your expensive speaker. Also, You also feel annoyed by this… Read More
2018-12-24 20:03
This is DC Power supply 0 30v 5A,Adjustable regulator, output 5A. It use LM723 DC voltage regulator IC + 2N3055 power transistor x2 to increase current up.
The post DC Power supply 0 30v 5A… Read More
2018-12-21 04:07
This is many LED flasher circuit and with PCB layout using transistors astable multi vibrator as low frequency oscillator below more...[...]
The post Dual LED Flasher circuit using PNP trans… Read More
2018-12-18 01:57
Reduce 12V battery to 6V for small circuit. You will love it same us.
The post 12v to 6v step down circuit appeared first on Electronics Projects Circuits Read More
2018-12-13 09:47
This circuit is a variable time base oscillator circuit that has operation as high frequency pulse oscillator generator out to a Decade counter circuit.
The post Variable Time base oscillato… Read More
2018-12-12 16:38
There are many ways to filter the hum noise from AC line (50 Hz) from audio signal away. This is Hum Filter circuit using electronic coil. A frequency filter usage is a simple ways that incl… Read More
2018-12-11 09:30
High quality, 3A adjustable voltage regulator. Using LM317 and 2N3055 so easy and cheap. Adjust voltage in steps 3V, 6V, 9V, 12V. And In fine, 1.25V to 20V.
The post 3A adjustable voltage re… Read More
2018-12-10 13:26
This is a 0-60V, Dual Variable power supply circuit using LM317 and LM337 at 1.5A current so can builds to easy with PCB layout, adjustable voltage VR1,VR2 [...]
The post 0-60V Dual Variabl… Read More
2018-12-08 22:53
For digital that need high current 5A up it low noise and easy to build because is linear
The post 5V 5A, 8A Power supply circuits appeared first on Electronics Projects Circuits Read More
2018-12-06 08:00
This non-contact ac voltage detector circuit, using digital IC CD4060 as main components and resistor and LED display only. it is use 9V battery as power supply.
The post Non-contact AC volt… Read More
2018-12-01 14:19
This is Sawtooth wave generator circuit using UJT transistors is easy. to connects with VR1(potentiometer), VR2 and C1. adjust frequency and waveform out
The post Sawtooth wave generator cir… Read More
2018-12-01 13:34
If you are looking for a constant frequency generator that easy and inexpensive. Here are the transistor crystal oscillator circuit ideas. They may help you works finish. Since 30 years ago… Read More
2018-11-30 04:13
The Simple long duration timer circuit using OP-AMP, If build the RC timer only that long time delay we need too many resistors and capacitors may be error [...]
The post Simple long durat… Read More
2018-11-29 06:55
This is an simple op-amp IC tester circuit that cheap and easy to build. for test many op-amp ICs fast check. for LM741, LM324, LM339, LM358, LM311 and more [...]
The post The Op-amp IC test… Read More
2018-11-28 15:49
This is sine wave bridge oscillator circuit more:
The post Wien bridge oscillator circuit appeared first on Electronics Projects Circuits Read More
2018-11-28 07:37
If you are looking for 5-volts DC regulator without transformer. This circuit may help you. It is suitable for low current digital. Use the MOSFET is based.
The post 5 volts DC Regulator wi… Read More
2018-11-22 17:56
This Diode tester circuit can check the diode the good or bad and also can indicate its polarity. using op-amp 741IC and LED for display. [...]
The post Diode tester circuit using IC-741 an… Read More
2018-11-20 16:42
This is the Pulse width modulation motor control using CD40106. Usual, we just enter the voltage and DC current source to the DC motor, Makes motor can be rotated. If will modify or regulate… Read More
Subscribe to Electronic Projects Circuits
Get updates delivered right to your inbox!