Tools and Tips
What is a resistor? Symbol, Types, Block, Applications
A resistor is a two-terminal passive electrical component that provides electrical resistance as a circuit element to limit the flow of electrical current. It is used in electronic circuits for voltage separation, current reduction, noise suppression and filtering. But the resistor is much larger than that. So if you are new to electronics or just want to learn more about what a resistor is, then this blog post is for you! What does a resistor do in an electronics circuit? A resistor is an electronic component that controls the flow of current in a circuit and provides resistance to electrical current. Resistors prevent surges, surges and interference from reaching sensitive electronics such as digital electronic devices. Resistor symbol and unit of measure The unit of resistance is…
What is a diode?
A diode is a two-terminal electronic component that restricts the flow of current in one direction and allows it to flow freely in the opposite direction. It has many uses in electronic circuits and can be used to build rectifiers, inverters, and generators. In this article, we will take a closer look at what a diode is and how it works. We will also look at some of its common uses in electronic circuits. So let's get started! How does a diode work? A diode is an electronic device that allows current to flow in one direction. They are usually found in electrical circuits. They operate on the basis of the semiconductor material from which they are made, which can be either N-type or P-type. If the diode is N-type, it will pass current...
What is a relay, its functions, types and connection diagram of a relay
A relay is an electrical component that can control the flow of electricity in a circuit. The relay can be on at one time and de-energized at another. This allows the relay to open and close, as well as interrupt and restore electrical circuits. This blog post shows you the most important things you need to know about relays. So if you're curious about relays, keep reading! What is a relay used for? The relay can be used in many kinds of products. For example, a car's starter has several relays that control things like the fuel pump and ignition coils. They are also very common in household appliances such as a toaster or refrigerator. In fact, most modern household appliances have many relays.…
What does 50 milliamps look like on a multimeter? Explained
Multimeter shows 50 milliamps as 0.05 amps on the screen. If you ask how? Stay with us because, in this blog post, we will closely look at what 50 milliamps look like on a multimeter! What is a multimeter and what does it do? A multimeter is a device that measures a variety of electrical properties, including voltage, current and resistance. It can be used to test batteries, wiring and other electrical components. Multimeters typically have a wide range of voltage and current measurements, as well as several different resistance measurements. They can also be used to test capacitors and diodes. A multimeter is an essential tool for electronics. It…
What is a transformer? All you need to know
Do you know what a transformer is? We got you! A transformer is an electronic device that transfers electricity between two or more circuits. Transformers are used to increase or decrease the voltage of an AC (alternating current) signal. But that is not all. Let's take a closer look at these amazing devices! History of the Transformer The transformer was invented by an American engineer of Hungarian origin named Otto Blaty in 1884. It is believed that he was inspired to create the device after seeing a failed experiment involving passing an electric current through a metal sheet. Working Principle of a Transformer The working principle of a transformer is based on the concept of induction. When power is applied to one coil, it creates an electromotive force in the other coil, which causes it to become magnetically polarized. Ultimate…
How to Clean a Soldering Iron - Complete Guide
There is nothing worse than a soldering iron that does not solder. Today we will discuss how to clean your soldering iron and some tips for keeping it in good condition. You'll see three easy ways to clean your soldering iron tip so it looks like you just bought it. Signs for Cleaning Not Working Properly When a soldering iron is not working properly, it is often because the tip is not clean. If the tip is dirty, the solder will not stick to it and the connection will be weak. Takes a long time to warm up If you notice that your soldering iron takes a long time to heat up, it means that its oxidized part does not allow it to give off heat. In this case, the corroded part acts as an insulator. It looks like you are trying...
How to discharge a capacitor
Do you know how to discharge a capacitor? If not, don't worry! This is the ultimate guide to discharging capacitors. We will explain the various methods you can use to discharge a capacitor. safe step by step. What is a capacitor and what is it for? A capacitor is a device designed to store electrical energy. It does this by creating an electric field between two plates. When voltage is applied, it charges the capacitor. The capacitance of a capacitor is a measure of the amount of charge it can store and is usually quoted in farads. Capacitors act like rechargeable batteries in AC circuits. They perform their function of storing electrical energy and transmitting it to other parts of the circuit. Why do capacitors need to be discharged? As we said before, capacitors store electricity and…
How long does the soldering iron take to heat up? Measurement results
When it comes to soldering, one of the most important things is to make sure your soldering iron is at the right temperature before you start. If the tip is not hot enough, the solder will not flow properly and you will end up with worse solder. So how long does the soldering iron take to heat up? We tested different types of soldering irons, let's look at the results. How long does a soldering iron take to heat up? When it comes to how long a soldering iron takes to heat up, there is no definitive answer. It depends on the brand and model of the iron, as well as how hot it is. However, most irons take 30 seconds to a minute to reach full heat. If you're in a hurry, here are a few tips to help speed up the process. Let's see the results...
What is a triac dimmer? All you need to know
Do you have lights in your home that you want to dim? If so, you may need a TRIAC dimmer. In this blog post, we will discuss what a TRIAC dimmer is and how it works. What is a triac dimmer A TRIAC dimmer is a type of electrical switch that can be used to dim lights. It works by changing the amount of energy supplied to the light bulb. It is mainly used in homes to control incandescent or halogen lamps, but it can also be used to control motor power. TRIAC dimmers are becoming more and more popular because they offer several advantages over traditional light switches. First, TRIAC dimmers are much more energy efficient than traditional light switches. They also…
How to use an oscilloscope for audio
An oscilloscope is an essential piece of equipment for anyone who wants to work with audio. This allows you to see the waveforms, which is essential for diagnosing and troubleshooting audio problems. In this blog post, we will discuss how to use an oscilloscope for sound. What does an oscilloscope do? An oscilloscope is an electrical instrument used in various fields to display an electrical signal. An oscilloscope shows the waveform of an electrical signal, so it is used to view audio signals. The instrument converts electrical signals into waves and displays them on a graphical screen that contains an x-axis and a y-axis. The oscilloscope separates the sound into intensity/amplitude and changes the intensity over time. While the y-axis shows the intensity of the sound, the change in intensity over time is displayed…
How to fix a broken wire without soldering
In this short and simple guide, we will show you how to fix a broken wire without soldering. This is a great solution for those who do not know how to solder or do not have time to do it. All you need is a few simple tools and some duct tape! How to remove the insulation? Stripping wire insulation is a quick and easy process that can be done with a stripping tool. To remove the insulation from the wire, first cut off the excess insulation with sharp pliers. Then press the stripping tool against the wire and twist it to strip the insulation. After you have removed the insulation and copper from the wire, you can begin to repair the broken wire. Wago connector method - strength: high Wago connectors…
How to calibrate an oscilloscope: step by step guide
An oscilloscope is an important electronic instrument used in different fields for different purposes. While the purpose of an oscilloscope is limited to measuring electrical signals and studying how signals change over time, the instrument is also handy when troubleshooting electrical circuits. However, the result you get with an oscilloscope depends on how well it is calibrated. A well-calibrated oscilloscope gives accurate results you can rely on, while a poorly calibrated instrument will distort your results. Therefore, you want to calibrate the oscilloscope. However, the main problem is how to calibrate the oscilloscope. This article provides a step-by-step guide to calibrating an oscilloscope. What is calibration? Calibration is usually a comparison of two measuring devices.…
What is the symbol for microfarads on a multimeter?
If you are an electrician or just getting started with electricity, you need to be aware of the various electrical units. One of these is the microfarad. So what is the designation of microfarads on a multimeter? Let's answer this question. Where do we use microfarads? Microfarads are used in a range of electronic equipment, including capacitors, transistors, and integrated circuits. But most often you will encounter them when measuring the capacitance of a capacitor. What is a capacitor? A capacitor is an electronic component that is used to store electrical charge. It consists of two metal plates placed close together with a non-conductive material (called a dielectric) in between. When an electric current passes through the capacitor, it charges the plates. This stored electrical energy can then be used to power electronic…
How to check the computer with a multimeter
A faulty ECU is usually the cause of various problems with the smooth operation of a car. While a faulty ECU can cause the car's ignition to not start, it can also reduce fuel economy. Therefore, you want to know when there is a problem with your car's engine control unit and have it repaired. The question is, how to check the ECU with a multimeter? Although various problems may indicate a malfunctioning ECU, such problems may be due to other causes. Hence, your best bet is to troubleshoot your ECU and determine if it is responsible for the problems with your vehicle. Interestingly, the multimeter is a simple tool for checking the ECU. With a multimeter you can troubleshoot your ECU and…
How to test PCM with a multimeter
Cars produced in more modern years have helped make our lives a lot easier. The electronic components in them were especially useful. How can you control the engine and transmission, as well as other vehicle systems, with a simple push of a button? Well, it has to do with the PCM (Powertrain Control Module). This article quickly sheds some light on some of these things you need to know and how you can simply use a multimeter to diagnose. Let's get started. What is PCM in a car? It is a joint controller for your Engine Control Unit (ECU) and Transmission Control Unit (TCU), two important engine computers. It is also known as the ignition control module (ICM) or engine control module (ECM). However, as with any other...
How to set up an amplifier with a multimeter
Whether it's an early morning drive or a late night cruise, playing music from your car stereo is one of the best feelings. What makes it even better is a good sound system that gives you everything sound has to offer. Correctly setting the gain on your amplifier will help you achieve superior sound quality. However, many people don't know what an amplifier is and don't know the correct steps to fine-tune a gain control. This article presents you with everything you need to know, including a step-by-step procedure for setting up an amplifier with just a DMM. Let's get started. Why is a multimeter the right tool? Also called a multitester or volt-ohmmeter (VOM), a multimeter is a device used to measure the magnitude of…