Thanks to the invention of camera gimbals/stabilizers, we are now able to capture videos smoothly and easily. You will find plenty of different types of camera gimbals in the market, some with multiple built-in features, but what we are going to make today is also unique in itself. Apart from keeping your phone steady, our […]
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Water scarcity is one of the biggest issues plaguing the world today. To prevent this from becoming any worse, we need to focus on water conservation. Water is the most precious resource on earth, and it is our responsibility to conserve it. But knowingly or unknowingly, we tend to waste a lot of water every […]
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Tethering, or phone-as-modem (PAM), is the process of sharing of a mobile device’s Internet connection with another device, say, a cellphone or computer. Bluetooth tethering is one of the ways of sharing the wireless connection of an Android device with another device using Bluetooth. Say, you are using mobile data, and someone wants to use […]
The post Sharing Wi-Fi Data Via Bluetooth appeared first on Electronics For You.
Using the Internet of Things (IoT) in homes and industries it is possible to control any electrical or electronic equipment. Moreover, you can get the information from any sensor and analyse it graphically or in any user-defined format from anywhere in the world. The IoT using Arduino microcontroller (MCU) is easy and fun for those […]
The post Humidity And Temperature monitoring Using Arduino With The IoT appeared first on Electronics For You.
In this project, a MATLAB platform to control up to four electrical equipment is presented. Controlling electrical equipment from a remote location using a control panel is employed in many applications. An important application is in a process plant where an operator in a control room, sitting in front of a computer terminal and running […]
The post Equipment Controller Using MATLAB-Based GUI appeared first on Electronics For You.
Download Project Document/Synopsis Biometrics authentication plays a vital role in organization, company, colleges and institutions. Security within the examination hall is one of the foremost repetitive issues. To maintain attendance verification is a sophisticated and time-consuming process, this biometric will help in maintaining attendance and security in the examination hall. This advanced authentication system is […]
The post Biometric based Exam Gate Authentication System with SMS Alert appeared first on NevonProjects.
Videos are the best medium to convey a product features and details to a customer. But it is not possible to display product video on each product packet. Our product video promotion AR app allows to display a product video on every product. The AR app is designed to showcase a product video on detection […]
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Industrial operations involve heavy machinery, transport equipment, tools, furnaces and other dangerous process. Because of this safety is a very important issue in industries. Also safety around machinery and industrial processes requires proper safety training. Stopping industrial processes to provide practical safety training and safety guidelines is not feasible since it leads to loss of […]
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Factories rely heavily on machines for manufacturing/producing materials/products. Many of these machines are either complicated or too big to provide a demo of. Simuating machines in VR or AR allows us to get a true understanding of the working and look and feet of the machine. VR allows us to simulate various factory machine workings […]
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This project includes a simulation of a forklift with all physical movements including steering as well as that of fork lifting and lowering. This allows user to simulate a forklift movement as per real forklift operations. The scene is designed keeping all physics aspects in mind making it as real as possible. The system simulates […]
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This VR Project is a ruined castle VR game which brings you into a old castle/old fort situated in the midst of a pleasant green landscape for you to explore on your own with no one around you. It is a realistic walkthrough experience through great hallways high doors which lie in a ruined yet […]
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Possibilities of human fatalities in such situations as earthquakes, floods and collapse of infrastructure, among others, has inspired many recent technological advancements in the expanding field of human safety. Frequent natural calamities such as avalanches, landslides, earthquakes, volcanic eruptions and floods, along with the menace of low-quality materials in infrastructure development are always leading to […]
The post How Electronic Detection Can Save Buried And Drowning People appeared first on Electronics For You.
Noise pollution is a growing problem in modern cities, thanks to rapid population growth, urbanisation and new technologies. Moreover, at times, a noisy neighbour or co-worker can drive you crazy and affect your well-being. Talking loudly is an annoying habit in an office environment. Having a loud co-worker can distract us from our work and […]
The post Noise Detector with Automatic Recording System appeared first on Electronics For You.
Download Project Document/Synopsis This glass cleaning robot project proposes a glass-wall climbing robot that is intended for cleaning the glass wall surface. It is based on passive suction cups mechanism. The efficient wall climbing robot moves in vertical direction on ceiling surfaces. Wall climbing robot has the ability to climb on walls, walk ceilings and […]
The post Design and Fabrication of Vertically Wall Climbing Glass Cleaning Robot appeared first on NevonProjects.
Looking for free open source software for IDE, debugger, stimulator or other software to develop your microcontrollers and microprocessors? Search no more as we bring to you 15 Free and Open Source alternatives for your help. And also find out which is best for you: microcontroller vs microprocessor 1. MIDE-51 Studio Download Link: click here Supported […]
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This is a simple color sensor using Arduino Uno R3 and TCS3200 color sensor module. It can be useful for color identification and detection for food-processing units, color printer applications, paint-mixing applications and other industrial applications including robotics. This project is used for detecting primary colors (red, green and blue, or RGB)—colors that are physically […]
The post RGB Color Detector Using TCS3200 Sensor Module appeared first on Electronics For You.
This article explains the basic difference between M2M and IoT. It will start from M2M and IoT basic principle along with its applications. M2M, or machine-to-machine, is a direct communication between devices using wired or wireless communication channels. M2M refers to the interaction of two or more devices/machines that are connected to each other. These […]
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Smart Cards used as credit/debit cards have evolved over the years and revolutionized the banking industry since the late 1980’s and have now found widespread applications in other areas like security systems, transport systems, retail, healthcare and most recently in IoT technology.
Different types of smart cards are available for different applications. The essential differences in smart card types are mainly because of the different electronic components that are part of the smart card system which includes both the card and the card reader. This article explores how smart cards evolved over the years, the different types of Smart Cards, and details of how they work and where they are used.
Smart cards evolved from magnetic stripe cards which were not really smart and did not have any inbuilt intelligence. Magnetic stripe cards store data by modifying the magnetism (polarity) of tiny iron-based magnetic particles which are contained in the plastic-like film on the card.
This is the same principle as tape-cassettes which store audio/music. In case of the cards, the card number, name, CVC, expiration date and service code are stored on the tape. When the card is swiped on the reader, the data contained on the tape is read to verify the information on the card.
As this static data on the tape can be easily replicated or copied, there was a need for more intelligent and dynamic cards with increased security. This paved the way for smart cards.
A Smart Card contains an embedded integrated circuit which makes it possible for it to store data and/or house a programmable microcontroller. The electrical specifications of the smart card, are based on the ISO 7816 specification which also governs the dimensions and location of the different contacts points in the smart card.
Following are the two main categories of smart cards currently available and the technology at work in each case.
Contact is required between the card and the card reader in this case.
The card and card reader need not touch in this case, however the card should be held near to the reader.
We will now describe in details how each type of Smart Card works
This is basically a plastic card which can be read only when it is brought into contact with the card reader. It derives its power from the card reader. It typically has a contact area of approximately 1 cm2 with several gold plated contact pads. The contact pads provide electrical connectivity to the reader. Communication protocols for contact smart cards are as defined in ISO 7816-3 specifications.
As the name suggests, contactless smart cards can be read without bringing the card in contact with the reader. The card communicates with the reader through RFID induction technology which also powers the card. The RFID technology used in this case works over a short range (less than 4 inches).
As such, the card should be held near to the reader. The card includes an embedded secure microcontroller or equivalent intelligence, internal memory and a small antenna for communicating with the reader.
When the card is brought into the electromagnetic field of the reader, the chip in the card is powered on. Once the chip is powered on, a wireless communication protocol is initiated and established between the card and the reader for data transfer.
Following image from secure tech alliance illustrates the contents of a contactless smart card. ISO/IEC 14443 defines the communication standards for contactless cards.
Contact smart cards come in two varieties. Memory cards which are primarily used only to store data and microprocessor cards which can also process information. Applications for these cards can be commonly seen in membership cards, loyalty cards, vending cards etc.
Contact less type of smart cards are commonly used in applications which require protection of personal information and fast, secure transactions. Examples include, identity cards, fare payment cards, credit/debit cards etc.
The post Electronics of Smart Cards appeared first on Electronics Hub.
This timer switch for an electric water heater is based on NodeMCU and Blynk IoT cloud solution. An electric water heater is used in bathrooms during the cold season for bathing with hot water. A common problem is that when you wake up in the morning, you need to wait, say 20 minutes, for the […]
The post The IoT-Based Timer Switch For Electric Water Heater appeared first on Electronics For You.
Download Project Document/Synopsis Flexible circuit is a technology within which the electronic circuit is assembled by mounting electronic devices or sensors on flexible plastic substrates. They are well known globally as flex circuits, flexible printed circuit boards and much more. The characteristic of flexible electronics is that it not only reduces the cost but also, […]
The post Heart Rate Monitoring using Flexible Printed Circuit Board appeared first on NevonProjects.
Thinking about Kingston as a company, we mainly think of it as a retail brand and in the memory card market, USB, etc, but today Kingston has evolved with much broader and bigger domains with many capabilities. Kingston along with Arrow hosted their first ever memory convention in Delhi on 3rd June 2019 and in […]
The post Kingston Steps Into The Embedded Market In India appeared first on Electronics For You.
Through automated manufacturing, the railway and airway sectors will realise efficiency, capacity and cost benefits of Industry 4.0. There is no established path for success of any emerging technology, but creating a roadmap can help the rail and aviation industries to bring a more digital and connected future. The need for these industries to be […]
The post Industry 4.0 Solutions For New-Age Railways And Airways appeared first on Electronics For You.
Download Project Document/Synopsis In colleges, schools or inside a University campus canteen or cafeteria facility is provided. Students, college staff or university staff uses this facility. Similarly, food facilities and canteen service are provided in various companies. In this canteen, students or employees pay their bills by cash, cash payment is the only option available […]
The post Canteen and Cafeteria Management System using RFID appeared first on NevonProjects.
Download Project Document/Synopsis Security and safety are becoming more and more popular day by day and it is getting improved and used for the ease in our life. Now days, technology has become an integrated part of people’s lives therefore the security of one’s home, office or organization must also not be left behind. Smart […]
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RFID is a non-contact, automatic identification technology that uses radio signals to identify, track, sort and detect a variety of objects including people, vehicles, goods and assets without the need for direct contact or line-of-sight contact (as found necessary in bar code technology). RFID technology can track movement of objects through a network of radio-enabled […]
The post RFID Based Access Control Using Arduino appeared first on Electronics For You.
This project is used for fire detection and then sending an SMS alert to a cellphone. The design is based on Arduino Uno. The project also includes an LCD and an LED for visual indications, and a buzzer for audio indication. It has sensory systems including flame and temperature sensors along with a relay switching […]
The post Multi-Utility Protection System for Agricultural Equipment appeared first on Electronics For You.
In this video, the presenter will show you how a decoupling capacitor can have a circuit from harmful oscillations. Along the way, he will talk about three popular capacitor types, the film capacitor, the ceramic capacitor and the electrolytic capacitor and explain which one is best suited for which application and why. Courtesy: GreatScott!
The post Choosing The Right Capacitor Type For A Circuit appeared first on Electronics For You.
CCTV (close-circuit television) camera systems are installed to protect your home and shops from burglary and break-ins. But with our busy lives, it is not possible to monitor it 24*7. So, we need a more reliable and robust security system that can notify us when someone breaks into our shop or home. When a thief […]
The post Smart Home Security System With Automatic Phone Calling System appeared first on Electronics For You.
Scan the QR codes to download the apps based on the operating system of your device. Evernote Updated: January 2019 Platforms: Android and iOS Download: Full version (free) Evernote is a popular app to help users organise their to-do lists and store important notes. It comes with a variety of features. Users can write information […]
The post Handy Apps to Help Organise your Day appeared first on Electronics For You.
Download Project Document/Synopsis This project is designed with an aim to provide uninterrupted AC mains supply that is 230 volts to a single-phase load. This is achieved by automatic changeover of the load from the missing phase to the next available phase in a 3-phase system. It is often noticed that power interruption in the […]
The post Auto Selection of any Available Phase in 3 Phase Supply System appeared first on NevonProjects.
Mining is the process of extraction of valuable minerals or other geological materials from the Earth. Power electronics can play a great role in the modernisation of the mining industry. Everyone uses products that come directly or indirectly from mines, in their daily life, but most people do not know how mining is carried out. […]
The post Power Electronics: Setting New Standards for Mining appeared first on Electronics For You.
Presented below are various Open Source Softwares used in Embedded Applications. MRPT Visit: www.mrpt.org Full version: Free For robotics enthusiasts and researchers, Mobile Robot Programming Toolkit (MRPT) can be an interesting software. It is an open source and cross-platform C++ library that can be used to implement algorithms related to various robotic technologies like simultaneous localisation […]
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11 June 2019 – Mouser Electronics, Inc. the New Product Introduction (NPI) leader empowering innovation, today announces the third edition of its six-city IoT Technical Roadshow Series throughout India. Mouser is again collaborating with Electronics for You magazine to present the series in six major cities in India, showcasing the newest products, technologies, and solutions […]
The post Mouser Electronics Adds Sixth City To IoT Technical Roadshow In India appeared first on Electronics For You.
3D printing industry has seen an accelerated growth in development over the years. From the massive and quite expensive 3D printers in the past, the models available today are more compact, affordable and easy to use. However, successful 3D printing does not only depend on the 3D printer itself. There are a variety of 3D printer accessories that play an important role when it comes to the quality of the final product.
With the right accessories, you can turn your average 3D printer into an incredible machine and you can be more assured that your prints will come out exactly as desired.
From removing support material to improving bed plate adhesion, here is a list of the top 15 3D printer accessories that will help you get the most of your 3D printer.
Please note: There are affiliate links in this post. This means that at no cost to you, I may make a small commission if you purchase through these links. I would appreciate your support in this way!
One of the most important accessories a 3D printer owner must possess is an appropriate filament storage container.
Most of the 3D printer owners don’t pay attention to that, which can lead to so many problems like clogging, bad layer adhesion, breakage, etc. That’s why it is very important to safely store your filaments in a moisture free environment.
There are many different types of filament storage containers, but we picked two types which we think are great for this purpose.
Filament Box by Katamco
Get it on Amazon
The first type is the filament box by Katamco, which keeps your filament dry, dust-free, and also dispenses filament. It has temperature and humidity sensor, and you can also print directly from the box.
Vacuum Sealed Storage Containers
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Another great option are vacuum sealed storage containers. They come in a pack of 5, which is pretty awesome.
In this article, based on my personal opinion and research, I will list the best 3D printers you can get for your budget, or the best 3D Printer under…
Masking tape is one of the most widely used 3D printing accessories. It is used to help each print adhere better to the print bed and is highly recommended. Furthermore, the finished print is much easier to remove from the bed as well as protect it from scratches.
Make sure you choose masking tape with a width of at least 5 cm (2 inches). Having a wider tape means you’ll need fewer strips to cover your print bed, which will lead to better results.
Alternative: Kapton Tape
Although masking tape has been widely used for covering print beds and is cheaper option, Kapton tape is much better in the long term since it handles high temperatures better. This tape also prevents severe warping resulting in a much better 3D print. Kapton tape can be combined with other products, such as hairspray for best results.
When 3D printing, it’s vital to ensure good adhesion of your print to the build plate. So, another way to increase plate adhesion is covering your print bed with washable glue stick. You can apply glue directly to your build plate and wipe it off easily with water.
This is one of the best bed adhesion solutions and works well with most materials, except for those prone to very high warpage like ABS and polycarbonate.
It works pretty well and it can easily be found at a wide variety of stores and at a very reasonable price.
Alternative: Hair Spray
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Many people also recommend spraying the bed with hair spray. Using hairspray to add an extra layer of ‘stickiness’ to your print bed is a quick and easy process.
But you must be careful with this method because using hairspray regularly and without proper care can damage your printer.
A digital caliper is a must-have tool for detail-oriented 3D print maker. When 3D printing, there can be a lot of measurements involved, so this tool will help you increase efficiency and accuracy, which is very important.
It enables you to make very precise measurements of a part you want to replicate in 3D, to verify the dimensions of a calibration print, or to check the precision of the measurements of your prints versus the dimensions in the source CAD model.
Calipers are also handy for checking the accuracy of your 3D printing filaments, since the actual filament diameters often differ from what is advertised. This will help you make the necessary adjustment.
The key to successful 3D print lies in getting a good first layer. And to get a good first layer, you need to have the right print bed surface which needs to have a smooth finish and to be rigid and durable as well.
Some people like to swap out their default print beds for glass plated ones, because they handle heat better and won’t warp the printed parts as easily.
Borosilicate Glass Bed
Borosilicate glass can withstand extremely high temperatures, since it’s tempered. Also, it helps giving the print a smooth finish. When buying glass print bed make sure its dimensions match your model of 3D printer.
Alternative: Heat Bed Platform Sticker
This printing surface is compatible with almost every printing material. You can print directly onto the surface without any additional adhesives. Once you’re done printing, it is very easy to remove your printed part without damaging it.
You can use it for multiple prints and all you need to do is to wipe down with isopropyl alcohol between prints. Also, it can be easily cut to the desired size with a utility knife.
Sometimes you might find that your 3D print has stuck to your build plate. A 3D print removal tool, or spatula, can easily solve this problem. All you need to do is to put it gently underneath the print and carefully lift it up. You can also use this tool for scraping off little bits of filament.
This set of different spatulas ensures you always have the right tool for removing any object you print. These spatulas are as thin as a knife blade, but without the sharp edge. They’re also usually angled in such a way that you can hold the handle parallel to the bed. It will prevent you from scratching the tray or damaging the part.
Needle-nose pliers can allow you to get into the fiddly areas of your 3D printer and your prints while providing a good, strong grip. Always look for a good quality pair of pliers with a rubberized, slip-resistant grip.
They can be used to remove jams in your 3D printer, to cut filaments, or to install new filaments. Sometimes, the prints get stuck to the print beds, so they can also be used to remove those prints.
A full set of tweezers with various shapes and sizes is a must when it comes to the more complicated tasks with 3D printing. They offer a very good and cheap solution for very fine and high precision adjustments in your 3D printer or printed parts.
They’re great for plucking oozing filament from the extruder nozzle without burning your fingers. Also, they can be used for post-processing finishing of your prints.
Having a set of sandpapers in a variety of different grits can be very useful in the post-processing step of your printing. A good sandpaper will help you define the details on your print and smooth out any rough edges and surfaces.
We recommend buying a set of good quality sandpaper from a well-known brand, from coarse (120 grit) to fine (1000 grit or more). Good quality sandpaper does not wear out easily, making it last longer and saving you money in the long run.
Alternative: Rotary Tool
As an alternative, you can use a rotary tool with different accessories, which will make things much easier and accurate as well.
Nozzles come in many different shapes and sizes, but they all have the same function. Why would you want to have more than one size nozzle?
There are a few reasons why: for example, you want to print a larger model quickly, so you need to use a larger nozzle; you want fine details on your print, or you have an intricate print, so you need to use smaller nozzle; or your current nozzle gets clogged, so you need to replace it.
The extruder nozzle can easily get clogged with melted plastic after frequent use. It is one of the most significant parts of your 3D printer, so it is very important to keep it maintained, ensuring the quality of your 3D prints.
Cleaning the nozzles is not as easy as it seems, so you want to make sure you have the right tool for this purpose. There are special nozzle cleaning kits, designed for cleaning different sizes of nozzles, so as long as you have this accessory, you’ll always be able to keep your 3D printer clean and ready for the next print.
When printing parts with a lot of little details and supporting material, you need to do some extra work to get a good finished look. For finishing the 3D prints where a little work is required, this set of carving tools is perfect for smoothing out your final product by removing excess filament and bringing to perfection all the little details.
This set contains 12 different carving tools of varying shapes and sizes that will meet most of your needs.
Alternative: Diamond Needle File Set
Another tool perfect for working on small, delicate projects is a diamond needle file. This set includes 6 pieces with different shape and size, and each one serves a different purpose.
After a part comes out of the printer, it needs to undergo a surface finishing process before it’s ready for use because you can often see its laminated appearance and roughness. So, there are so many reasons to finish a 3D printed part, for example, you might want to enhance its appearance, to smooth out uneven surfaces, or to improve its durability.
Depending on the 3D printing material, you can choose acetone, or XTC-3D high performance 3D print coating.
Acetone
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By using acetone, you can easily achieve a smooth and polished surface to your ABS 3D prints. A thin layer of this product is just enough to get a better finish. Be very careful when deciding to use acetone, since it is not compatible with all materials.
XTC-3D High Performance 3D Print Coating
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We know that ABS can be smoothed with acetone, but when it comes to PLA, that’s not the case. This epoxy is a protective coating for smoothing and finishing 3D printed parts.
You just need to mix the two liquids together and apply the mixture onto any 3D print. It dries uniformly without leaving brush strokes. Working time is about 10 minutes, and it takes about 4 hours to cure.
Thicker: Get it on Amazon
Thinner: Get it on Amazon / Banggood
Super glue has endless supply of uses for 3D printing jobs, and is incredibly effective. It can be used to fill in gaps, to repair broken parts, and to combine two or more smaller 3D printed parts together.
Different types of glue are used for different jobs. For example, for filling gaps a thicker type of glue is required whilst for delicate procedures, like combining two components together, a thinner type of glue is more appropriate.
Alternative: Acetone
Get it on Amazon
Acetone can be used for bonding 3D printed parts made of PLA, ABS or HIPS. In fact, it can be used for any material soluble in acetone. It gives very strong bond, and, if done properly it creates invisible seam.
Having a 3D scanner will take your 3D printing experience to the next level, as it enables you to create accurate 3D models from actual real objects.
There are so many portable, relatively cheap and easy to use scanners on the market. It’s an ideal choice for anyone who wants a compact device that’s easy to carry around and is one of the most beginner-friendly machines around.
Choosing the right 3D printer accessories greatly increases the chances of creating a flawless 3D print. These decent investments can make the 3D printing process much easier and enjoyable.
Which of these 3D printer accessories do you already use? Do you have some other useful 3D printer accessories that are not on the list and should be? I’d love to hear about it in the comments section below.
If you want to buy a 3D printer check out our list of the best budget friendly 3D printers that are ideal for hobbyists and beginners who are just getting started.
The post Top 15 Must-Have 3D Printer Accessories and Tools appeared first on HowToMechatronics.
Download Project Document/Synopsis Day by day, the population of the country is increasing and the requirement of the power is also increasing. At the same time the wastage of energy is also increasing in many ways. So, reforming this energy back to usable form is the major solution. In this footstep power generation project, we […]
The post Advanced Footstep Power Generation System using RFID for Charging appeared first on NevonProjects.
This article is about designing an Android app for communication with HC-05 Bluetooth module using MIT App Inventor (open source), a block-based programming tool. MIT App Inventor is used to create apps without any text-based programming language or bulky software in your PC. Arduino Uno board along with a Bluetooth module and an LED is […]
The post Designing Android App For Communication With Bluetooth Module appeared first on Electronics For You.
The adoption of Industry 4.0 has been comparatively slower in India. But nonetheless, the advancements in electronics, IoT and correlated technologies indicates a soon-to-be mainstream automated factory ecosystem. Hwai Lin Khor, Head of Sales and Business Development for Digital Security Solutions, Infineon Asia-Pacific in interaction with Baishakhi Dutta of the Electronicsforu.com Network speaks about the […]
The post “We like To Encourage Startups To Come And Work With Us” appeared first on Electronics For You.
Pulse-width modulation (PWM) is one of the oldest and widely used techniques of controlling electrical motors. To control the speed of the motor, the average value of the PWM pulse is controlled by a switch. If the switch is ‘on’ for a long duration, the average value of the PWM pulse increases, driving the motor […]
The post PWM-Based Motor Speed Control Simulation Using LTSpice appeared first on Electronics For You.
Download Project Document/Synopsis ACPWM control for induction motor is a system, that enables the single-phase AC motor to run at different speeds. This project aims at controlling the AC power by using the concept of firing angle control of thyristors. This project uses a new speed control technique for the single-phase AC induction motor. It […]
The post ACPWM Control System for Induction Motor using AVR Microcontroller appeared first on NevonProjects.
Here’s a automatic water pump controller circuit that controls the water pump motor. The motor gets automatically switched on when water in the overhead tank (OHT) falls below the lower limit. Similarly, it gets switched off when the tank is filled up. Built around only one NAND gate IC (CD4011), the circuit is simple, compact […]
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Unlike previous generations of mobile networks, the fifth-generation (5G) technology is expected to fundamentally transform the role that telecommunications technology plays in the society. Despite continuous improvements in data services with high data rates and more spectrum utilisation, networks are still not free from congestion. The tremendous growth of video traffic and smart devices has […]
The post An Inevitable Need For 5G Convergence To Serve The Massive Thrust Of Data appeared first on Electronics For You.
Thanks to the various wearable health devices available in the market today, we can easily monitor our health status at home, without visiting the doctor. How about making one yourself? In this DIY project, we will try to make a Smart Health Monitoring Device that can measure SpO2 (percentage of oxygen in the blood) and […]
The post Smart Blood Oxygen And Heart Rate Monitor With Automatic Data Saving System appeared first on Electronics For You.
Open source hardware and software are the new versions of a phenomenon that has been with us since the first wandering bards added their own words to the melody of a well-loved folk tune. Open source tools feed the dreams of amateurs and entrepreneurs alike from a deep well of well-documented designs, which are constantly […]
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