What to do with an old dvd player Old DVD player hacks Convert old dvd player to USB Any DVD player in which Disk Loader is not working or laser lens is not working for detecting optical disk, then you can use this as a plug and play audio and video directly from USB storage. […]
How do I play a movie on a DVD player using USB Read More »
Light switch wiring Two way switch wiring Normally in general light switch wiring, we use normal 1 way switch wiring. In simple light switch wiring, we don’t need any special technique and all lights are connected through a separate one way switch with a parallel of supply. We see a normal 1-way switch wiring in
Godown wiring | Tunnel wiring | Two way switch wiring, Read More »
Difference between BJT and JFET Comparison between BJT and JFET BJT JFET As its name Bipolar junction Transistor, This is a bipolar device. Means Minority and Majority both contribute in current conduction. This is Unipolar device, Means Only Majority or Minority contributes in current conduction. This is a Current controller. This is a Voltage
Difference between BJT and JFET Read More »
why ac current passes through capacitor but dc can’t how capacitor block dc current Explanation 1 We try to understand using a discharged battery in the circuit. When switch on, the battery is starting to charge and increasing the voltage level of the battery and there is a flow of current. When the battery gets
How capacitor block dc current Read More »
kirchhoff’s law Kirchhoff’s voltage law (KVL) According to Kirchhoff’s Voltage Law (KVL), In any closed circuit or mesh, the algebraic sum of all the emf (voltage source ) and all the voltage drops is zero. This Law deals according to the principle of conservation of energy, and according to the principle of conservation of energy,
What are electrical elements All those elements provide, consume, transfer, or control the electrical energy. Called the electrical elements. Classification of electrical elements There are many types of electrical elements, but some main classifications are — 1.On the basis of energy transfer There are two types of electrical elements on the basis of energy transfer
Active | Passive | Linear | Non-Linear | Unilateral | Bilateral Elements Read More »
Norton’s theorem statement In Thevenin theorem, we see that in any complex circuit sources are converted in single voltage source Vth with the Series resistor Rth. Norton’s theorem is also a method to convert any complex network into a simple circuit. Norton Theorem, any two-terminal complicated network circuit can be converted in single Current source
Thevenin theorem Thevenin theorem statement Thevenin’s theorem is very important in point of view to Simplify the Network and Reduction of Network complexity in any circuit. This is also a very important theorem for Engineering and diploma students in basic Electrical. Thevenin theorem definition According to Thevenin’s theorem, any linear bilateral network irrespective of its
Difference between Electrical and Electronics First of all, we know the definition of Electronics What is Electronics Electronics is the branch of science that deals with devices and circuits that operate by controlling the flow of electrons and other electrical charge particles. Here we see the word controlling, the word controlling of electrons is very
Difference between Electrical and Electronics Read More »
Zener diode Zener diode is a type of diode that flows current in reverse bias, and in applications, it is always connected in reverse bias. and Zener diode limits the voltage, and this diode is used for regulating the voltage in any circuit. It always works in Zener breakdown voltage. Zener breakdown voltage is the
Zener diode working Read More »
AC dimmer Arduino What is dimmer A dimmer is a circuit that controls the voltage level by changing its waveform and gives output minimum or less than the input, and makes the brightness of light dim or changes the speed of the fan as the required level. AC dimmers are mainly of two types: one
AC dimmer using Arduino (Automatic) Read More »
MCQ on Semiconductor physics Also read Logic gates MCQ Quiz Zener Diode MCQ Quiz Concept of Logic Gates What is Impedance (Impedance vs Resistance)
Important Question- Answers of Semiconductor Physics Read More »
LED chaser circuit 1. LED Running Effect Without IC Here is presenting a circuit diagram of LED chaser . The Main Advantage of this LED chaser is it does not require any ic or microcontroller. This Circuit is made using mainly NPN transistors and capacitors and some resistors. This LED chaser circuit produces a blinking
Running Effect LED pattern (2 circuit) Read More »
Fusible Resistor or Fuse Resistor What is a fusible resistor The fusible resistor is a special type of resistor made to protect any circuit. It is made of a material that can fuse without flames or excess heat generation when the current load jumps suddenly more than required. Normally, in any circuit, this resistor looks rough and bigger in size
What is Fusible resistor Read More »
Audio amplifier circuit diagram There are the following 3 types of best and easy Audio amplifier circuit diagrams DIY audio amplifier This is a Medium Power Audio Amplifier Circuit that operates on a 9V power supply and uses BD139 and BD140 transistors to amplify audio signals. Below is an explanation of the circuit connections and
3 simple audio amplifier circuit diagram Read More »
Bass booster circuit diagram This bass booster circuit is made using the quad op-amp ic LM324. This op-amp ic has 4 operational amplifiers, but in this circuit, only 2 op-amps are used. This circuit provides Low low-pass filter of input audio, which produces a Low frequency of input and blocks high frequencies. Connect the circuit
Turbo bass circuit Read More »
12v Battery Charger Circuit with Overcharge Protection This 12-battery charger circuit provides an Automatic cut-off facility when the battery gets fully charged. Before using this circuit, you need to adjust the Cut voltage range for the auto cut. This adjustment is done by moving the 10k preset, and for testing the output voltage auto cut
12v Battery Charger circuit with Overcharge Protection Read More »
Transistor And Diode Identification Guide Each Semiconductor devices have a special numbering coding as per the specification of those components. All Components have a particular symbolic numbering with Alphanumeric coding for represents the characteristics of the material and other parameters. There is an international numbering system for all semiconductor devices and components. Transistor Coding System
Semiconductor device numbering system Read More »
Small Electronic Projects for Beginners circuit diagram Simple electronic circuit There are some small, simple and effective electronic projects for beginners. These electronic projects are very easy to make and can easily construct by any beginner who have basic knowledge of electronics. Schematic diagram simple electrical circuit diagram Low battery indicator circuit diagram
Top 5 Circuit diagram For Beginners Read More »
2000W Inverter circuit diagram This is the circuit diagram of a 2000w high-power inverter circuit. This is based on the mosfet3205. use 24v DC supply for operation and connect 24v 5A or more than 5A transformer. Please be careful with this circuit because of the high A voltage. Click on the image for the best
2000W inverter circuit Read More »
LOGIC GATES Logic gates are the basic building elements of any digital system or circuit. The name Logic gate is derived from the sense of the making decisions ability of such a device, and after making decisions it produces one output result. We can say that Logic gates are the fundamental building blocks of any
LOGIC GATES (AND,OR,NAND,NOR) Read More »
Remote controlled AC Load With Arduino Without Relay Arduino remote control Here, I am presenting a mini project of a remote control switch for any AC appliance without Relay. A homemade Arduino Remote control switch is an interesting idea. Arduino Uno board is used here, but you can use any Arduino board. Download Arduino Library
Arduino Remote control 220v AC Without Relay Read More »
