Author: Soma Electronics

This Is An Educational Website Of Soma Electronics.

LA4508 Amplifier Circuit Diagram With Bass Treble Control Subwoofer Circuit

In This Tutorial I Will Show How To Make A #LA4508 Amplifier Circuit. LA4508 Is A Most Common Circuit In World. This IC #LA4440 Is DC 12V Amplifier Circuit. This Amplifier Circuit Will Have Output 30W+30W  Stero Sound Amplifier. Here Is The #PCBLA4508 Circuit Diagram. You Can Use Copper Clad Board And Ferric Chloride For This PCB Printing.
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This Is LA4508 Circuit PCB Layout
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TDA7388 Car Subwoofer Amplifier Circuit Diagram Surround QUAD BRIDGE car audio amplifier

At first we need to know what is a audio amplifier. Audio amplifier is like a voltage amplifier.This car subwoofer circuit set Suitable for use with a great car audio system. Since this circuit is designed to operate with a 12 volt DC power. But if you put it to use with a home stereo, It do not have any rules.This subwoofer circuit set is designed to has a cut off frequencies of 200 Hz.How it works The left cannel input signal is entered pass through capacitors C1, C3 are the output Signal to the original circuit. (Or rear left in the car). And the right cannel input signal is entered to C2, C4 to the original circuit. (Or rear right in the car). Two resistors R1 and R2 will be mixer audio signal the left channel and the right channel both together.

TDA7388 QUAD BRIDGE CAR AUDIO AMPLIFIER

This Is TDA7388 IC PCB Layout For Full PCB Gerber File.
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How To Make Remote Control circuit From RGB LED Strip Controller

So, in this tutorial we learn how to make a remote control circuit from RGB LED Strip controller,
So First Watch This Video Carefully.


This video we are showing first we need a RGB LED Strip Controller And A Remote And 3pcs Relay A 12V power Suply to power up the RGB Strip controller and relay working. So we used a rgb led strip controller. At first you need to know 12V relay connection 12V relay All ground pin will be short. Then all ground will be connected to the 12V Power suply ground.
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How To Replace A 17" Sony LCD/LED TV Motherboard T.VST59.031

Hi Welcome To My Blog In This Post We Will Learn How To Replace A Universal LED TV Mainboard. First We Need To Know What Is A LCD/LED TV Mainboard LCD Is The 4th Genaretion TV This Contains A Panel A Back light For LED Power Up . Before Install LED TV Motherboard We Need To Know What Is The Panel Resoluion. There Are Many Types OF Panel Resolution. Commonly We now That

15″ Square LED TV/Monitor Resolution Is 1280*1024 Or 1600*1200
17″ Square LED TV Monitor Resolution Is 1280*1024 Or 1600*1200
19″ LED TV/Monitor Resolution Is  1366*768 Or 1920*1080
Most Commonly We Need A LVDS Cable For Panel And There Is Many Type Of LVDS Cable.
If You Don’t Know What Is LVDS Cable Please Watch My Video https://youtu.be/v8zpYvsZxN0
If You Don’t Know What Is LVDS Cable Please Read This In My Blog What Is LVDS ? Click Here

This Is A Universal LED TV Motherboard VST59.031
To Download This TV Mainboard Firmweare Please Message Us Click Here To Download T.VST59.031 Firmweare

PIR Motion Sensor Light Detected Resistor And Motion Controller Projects

procedure for detecting motion for sles explain, the working principle the module actually consists of pyroelectric sensor which generate energy when exposed to it that means when human or animal body will get in the range of the sensor to detect the movement because the human body anymore Badi he meets heat energy in a form of infrared radiation that’s why the name of the Saints are comes from a passive Infrared sensor 
and the term as if he is that the sensor is not using any energy for the taking purposes it just walked by the taking the energy given off by the other objects the module also consist especially designed cover nayme defensive plays which focuses the infrared signals on to the power electric sensor ok now let’s connect the module 2 arduino board the module has three piece ground and VCC for powering the module in an output pain which gives Hai logic level if an object is the Tech that also its a stupid this your mother’s one for adjusting the sensitivity of the sensor and the other for adjusting the time the 

output signal space hai when the object is the Tech this time can be adjusted from 0.3 seconds up to 5 minutes the module has 3 war base with jumper between two of them this page or for selecting the trigger Mod the first one is called non repeatable Trigger and works like this when the sensor output the sky and the delay time is over the output will automatically change from high to low level airport code repeatable Trigger will keep the output high all the time until the detective object is press Zone in the sensors range as an example for this tutorial I will make a circuit that will turn on a high voltage line when the sensible the Tech an object here is the Circus temerity output 3 of the sensor will be connected to the pin number 8 

Add caption

on the arduino board and when an object will be detected the PIN number 7th will activate the relay module in the high voltage climb will turn on for more details call the relay module works you can check my arduino relay tutorial here arduino code for this example it’s quite simple we just need to define the p i r sensor being as input and they’re really penis output using the digital read function we will read the output of the sensor and if it’s high or if an object is detected it will activate the really for activating the relay module will send the logical thoroughly input been works inversely

 here demonstration of the example know that after powering the sensor module it needs about 20 to 60 seconds to warm up in order to function properly now when I will put my hands in front of the sensor the riverview activate the lamp but not that even if I move my and constantly the lamp will turn off after the adjusted the lead time is over because the pierces is in non repeatable Trigger Mod if I change the sensor with the jumper to the repeatable trigger mod and I constantly move the hen the when will be constantly on as well I need to turn off after the movement is gone and set the late time is over


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LCD/LED TV Backlight Connection Wiring Diagram


In This video i will show how to replace a old lcd or led inverter connection. here is some lcd and led inverter picture for example.

This Is An Universal LED TV Backlight Inverter
This Inverter Input Voltage Is
12V-15V DC
Here Is 6 Pin In Input
12V
12V
BL/ON/OF   (This pin Is work In on/of light)
ADJ             (This pin Is work In Adjustment)
GND
GND

This Is A universal Device For Test Any Kind Of Backlight , Here is also same as inverter
6 pin in output
12V
12V
BL/ON/OF   (This pin Is work In on/of light)
ADJ             (This pin Is work In Adjustment)
GND
GND

when it on over power switch this circuit send a voltage to at BL/ON/OF pin This voltage is as like as 3V-3.3V
And ADJ Pin is open here. when ADJ pin Is open The Backlight is over full.


In This video i will show how to replace a old lcd or led inverter connection. here is some lcd and led inverter picture for example.
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How To Make Portable Sound Box With Amplifier 300W LA4440 Circuit Samcon


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How To Make A 450 Watt Mono Amplifier Using A5198 And A1941 Transistor


From this post, we can get Transistor circuit diagram using A1941 and C5198.This Is a nice amplifier circuit for making home made amplifier. The transistor circuit diagram using A1943 and C5200 and Transistor circuit diagram using A1941 and C5198 are same. only different the voltage and the transistor. all resistance is the same. In the transistor circuit diagram using A1943 and C5200 are used 30-0-30 to 70-0-70 voltage.2sa5200 and 2sa1943 transistor are PNP/NPN transistor and the transistor circuit diagram using A1941 and C5198 are used 12-0-12 to 30-0-30 voltage.

How Many Types Of LVDS Cable Sony To LG lvds Connection Samsung LED TV R…

Some of universal led tv motherboard not have the right way to share with panel. also connected with motherboard this LVDS Cable Signal is going to Panel Not direct here is a filter like water. Its called Tcon Board. LVDS signal goes to tcon board and tcon board convert lvds signal and filter all accesories send to the panel board and its look vesy sharp to as a picture.
Differential Signaling (LVDS) cables with twisted pairs. LVDS cables are custom made to interface between your LCD and Control/SBC or Embedded Mother Board. Shielding options available. Lengths vary from 3.00 inches, to as long as 15.00 feet. Fully Customized to meet your exact needs.