4 in 1 Network Cable Tester Buying Guide

4 in 1 Network Cable Tester Buying Guide

2021-10-20
NOYAFA
20

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SHENZHEN NOYAFA ELECTRONIC CO.,LIMITED is proud of 4 in 1 network cable tester, which is one of the hot seller. Since its launch, the stability of the product is certified by the Organization for Standardization. We study the quality management system that is suitable for the industry we get involved. According to the system requirements, we put an emphasis on safe and durable tools and perfect an integrated management system in all departments in conformity with ISO standards.NOYAFA products have received a good market response and customer satisfaction since launched and are winning increasing popularity among old clients because the products have brought them many customers, increased their sales and successfully helped them develop and expand the market. The promising market and great profit potential of these products also attract lots of new clients.Custom service promotes the development of the company at Best Cable Tester Supplier in China _ Noyafa. We have a set of mature custom process from preliminary discussion to finished customized products, enabling customers to get the products like 4 in 1 network cable tester with various specifications and styles.
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Cable Fault Detector_ Medical Devices Will Maintain High Growth in the Coming Years
Cable Fault Detector_ Medical Devices Will Maintain High Growth in the Coming Years
The medical and pharmaceutical chamber of Commerce of the all China Federation of industry and Commerce established the medical device Professional Committee yesterday and issued the 2012 analysis statement of the medical device industry. The statement shows that the dependence of some domestic high-end medical equipment markets on imports has decreased slowly last year. According to the deployment of deepening medical reform and the spirit of the 2012 national health work conference, the statement implies that China's medical device industry achieved a total sales revenue of 68.7 billion yuan in the first half of 2012, a year-on-year increase of 20.27%, The overall requirements of this year's work are: closely focus on the central task of deepening medical reform. It is predicted that China's medical devices will maintain rapid growth in the next 5-10 years, and the industry as a whole will maintain a growth rate of more than 20%. Among them, the focus is on food safety, occupational disease prevention and drinking water safety. According to the statistics of the statement, at present, although the number of medical device enterprises across the country has reached more than 14000, the competition pattern of the medical device industry is relatively scattered. In 2012, the food safety and health supervision of the health system should pay close attention to the following aspects: first, do a good job in food safety, More than 80% of them are small and medium-sized enterprises. The scale of enterprises is small, and there are problems such as insufficient R & D investment and weak technical ability. Because of fierce competition and low profitability, enterprises can only produce medium and low-end products or provide spare parts for foreign enterprises. " The head of the association hinted.
Trusted Cable Tracker
Trusted Cable Tracker
The introduction of cable trackerCable tracker is a product that is designed to keep track of which channels people are watching. It is a device that can be plugged into the cable television system and tells the user which channel they are currently tuned.Cable tracker was first introduced in the early 2010's and has been through an evolution since then. These days, it has become one of the most important devices in households across America and Canada.Tips for cable trackerTracking what networks are playing your favorite shows will never be the same. The cable tracker is a device that enables you to watch all your favorite TV shows at one place.Cable trackers are relatively easy to set up, as they connect over the internet and require no installation or contract. The best thing about them is that they enable you to watch not only your favorite channels but also catch up on the ones you missed out on.How to use cable tracker?Cable tracker is used to move a cable without the need of cutting the cable with a saw. Cable tracker is mainly used by electricians for their work, but it can be used by anyone who needs to move wires and cables in tight spaces.Cable trackers are also known as worm clamps or cable clamps, and they are primarily made out of metal. It is important to remember that these devices should be used only when you are sure that any materials that you'll insert inside the device won't corrode because they could cause an electrical short circuit.This guide will show you how to use cable tracker based on various aspects of its operation: recording process, usage instructions, maintenance, and troubleshooting.1) Recording process: When inserting theThe specifications of cable trackerCable tracker is a cable installation tool that contains a variety of features that are needed to install wires and cables.Cable tracker is a versatile product than can be used by both electricians and contractors to install wires and cables. This tool has many features that make it easy for them to do their job.The main function of the cable tracker is to create a straight, level, and clean surface on which the cables can be laid without any complications. This process helps prevent unnecessary damages to the surface area or damage caused by sharp edges on the wire bundle. Apart from being safe for workers, cable tracker also allows easy access for other important equipment required during the installation process such as ratchet straps, screwdrivers, levels, etc.The product instructions of cable trackerCable tracker is a small device that cuts and secures cable. It is useful for those who need help getting rid of old cables.The product instructions are easy to read and understand. This makes it convenient for use, as the user can quickly learn how to use the product without any difficulty.The instructions are not very long, which makes it less time-consuming for the user to read through them before starting their project.The application of cable trackerCable tracker is a device which helps in finding the right cable for your home or office. This is especially helpful when you’re having trouble with the cable provider and you need to find out what the issue could be.The application of cable tracker has increased in recent years due to the development of technology. With more and more people relying on their smartphones for entertainment purposes, they are also relying on their phones for information like weather forecasts, traffic updates, etc.Cable tracker has helped home owners and business owners save money by avoiding wasteful spending on unnecessary cables while ensuring that they get exactly what they need.
How to Contact Your After-sale Service Division?-3
How to Contact Your After-sale Service Division?-3
At NOYAFA, there are numerous options for delivering prototype model. When determining the form of transportation, the cost, the urgency of the shipment, the value of the goods being shipped as well as the volume and weight of the goods need to be evaluated. Air freight is a critical mode of transport. It serves markets and supply chains that demand speed. Land shipping, probably one of the earliest forms of transporting cargo, can transport goods of almost any size. Rails and trucks are usually the vehicles used to transport the goods. Ocean freight is less expensive and the most popular method of shipping goods. It is suitable for a wide range of products with long lead times. We will prioritize your needs and choose the best method of transport.SHENZHEN NOYAFA ELECTRONIC CO.,LIMITED is a company which has achieved a great success in the design and production of prototype model. This kind of prototype model is produced with the latest technology. We will provide drawings and clear installation guide for prototype model to make it more convenient and effective.Our goal and mission is simple: 'make and sell a superior prototype model.' Get an offer!· Related Questions:1. Does NOYAFA have forwarder?At NOYAFA, we work closely with logistics partners so that we can deliver your products promptly. We have built stable partnerships with reliable and experienced logistics companies. Whether it is sea freight or air transport, we can meet your requirements and ensure the accurate, safe, and on-time delivery of your products. Our long-term cooperation relationships with logistics companies also allow us to get more favorable freight. Of course, if you have your own freight forwarder, we can deliver the products to the designated location. ——————— 2. Can our logo or company name be printed on prototype model?The definition of customization is that business activities are dominated by the needs of customers, and enterprises should provide products and services completely in accordance with the needs of customers. NOYAFA will formulate detailed plans for our specific customers according to their requirements, and discuss and optimize the plan before our manufacturing of prototype model. On the basis of an agreement of two parties, we shall carry out our further producing. The goal of future business activities, or the ultimate goal, is to pursue the goal of customization. We are confident that we can provide customers with a fine solution and never make the customer lose their reliance on us. ——————— 3. What are NOYAFA shipping modes?The mode of transportation is an important consideration when planning the shipment process. NOYAFA provides several shipping methods for customers by working with several international logistics companies. In the current market, there are mainly three kinds of transportation modes which are respectively air freight, ocean freight, and rail/road freight. You may choose any of the three different modes of transport depending on several factors such as budget, time, and types of goods being transported. Normally, shipping by sea has been practiced for thousands of years and remains pivotal to today's global trade. 90% of all international trade is accomplished through maritime transportation. However, if the order is urgent, you may choose air freight which may cost more. ——————— 4. How to pay for prototype model?There are different payment methods provided for prototype model at NOYAFA. Customers can get the whole picture of the payment from our official website. Credit cards, PayPal, UnionPay, etc. are all accepted to meet customers' requirements from different countries and regions. There is no doubt that payment efficiency is highly guaranteed through the adoption of different kinds of payment ways. Customers should pay attention to the cash flow turnover time to prevent delay payment for the orders. If you have any problems, contact us.
System Composition of Intelligent Cable Fault Tester
System Composition of Intelligent Cable Fault Tester
Intelligent cable fault tester is an important tool for maintaining various cables. It adopts a variety of fault detection methods, applies contemporary advanced electronic technology achievements and devices, adopts computer technology and special electronic technology, and combines the long-term successful experience in developing cable tester. It is a high-tech, intelligent and fully functional product. The intelligent cable fault tester is composed of three parts, which is used for the test of various faults of power cables, the search of cable path and cable burial depth, the daily maintenance and management of cable archives, as well as the fault test of railway and airport signal control cables and street lamp cables. Cable fault finding is generally divided into four steps: fault nature diagnosis, fault location, path detection and fault location. The methods of fault location mainly include: first, the bridge method, mainly including the traditional DC bridge method, voltage drop comparison method and DC resistance method; The second is the low-voltage pulse method, also known as the radar method, which is to input the low-voltage pulse signal into the cable through the instrument at one end of the cable. When the fault point with mismatched wave impedance is encountered, the pulse signal will be reflected and returned to the measuring instrument. This method has the advantages of simple operation and high test accuracy. It is mainly used to test line breaking and low resistance faults, but it can not test high resistance faults and flashover faults; The third is the pulse voltage method, which needs to apply DC high voltage signal to the faulty cable; Fourth, pulse current method, which needs to apply DC high voltage signal to the faulty cable; The fifth is the secondary pulse method. System composition of intelligent cable fault tester: 1. Host of cable fault tester 2. Cable path and fault locator 3. Cable fault integrated high voltage generator 4. Cable identifier 5. High voltage cable safety pricker 6. High voltage equipment: current sampler, cable fault integrated high voltage generator, pulse capacitor, complete set of special test line, etc.
How to Select a Good Cable Fault Tester
How to Select a Good Cable Fault Tester
In recent years, cables have been widely used in various industries. More and more equipment are used to detect cable faults, and their types and models are increasing. At present, there are a variety of instrument types and instrument names in the domestic cable fault detection instrument market. In addition to the common cable fault testers in China, they also appear in the market one after another. So, how to choose so many cable fault detection equipment? 1、 When you choose a cable fault tester, you need to know its own quality, such as whether its parts are compact and whether its whole shell is solid. These aspects can let you know what the cable fault tester you choose is, whether it has very solid quality and whether it has very strict production process, To determine whether it's worth your choice. But then again, the manufacturers still have a good guarantee for all aspects of the cable fault tester produced by themselves. Although the process is rigorous and other aspects are outstanding, it can indeed have a good test effect in testing the problems of the power system of the power grid. 2、 When choosing the cable fault tester, we should also understand its operation performance and simplicity, whether the performance is stable and whether it will be disturbed by electromagnetic field. These aspects also determine whether the cable fault tester we choose has very accurate test data, whether the operation is simple and whether it takes a long time.
The Evolution of the Handheld Laser Measuring Device in China
The Evolution of the Handheld Laser Measuring Device in China
The Great Wall of China, the Taj Mahal, the Roman Colosseum and the pyramids are just some of the largest and small gauges in the world in critical buildings. The development and mastery of these tools has been crucial to the evolution of the human species. Laser pointers are also used in robotics, for example, laser guidance guides a robot into a target position using a laser beam. Green laser pointers are used for similar purposes in daylight and over long distances. Another common use of lasers in entertainment is the special effects used in laser shows. Clubs, parties and outdoor concerts often use high-power lasers as security for the spectacle. For example, construction companies use high-quality laser pointers to increase the accuracy of displaying certain distances when working on large-scale projects. In astronomy, laser pointers can be mounted on a telescope to align the telescope at certain star locations. Green laser pointers are also used by astronomers for star parties or lectures on astronomy. Laser rangefinders have built-in processing capabilities that allow them to triangulate, calculate and measure distances, as well as calculate area and volume. They are accurate enough to measure long distances and display fast measurement results, compared to traditional bands used for measurement applications. With the various functions that digital handheld meters offer, the demand for these devices via tape increases. A major factor in the growth of hand-held laser rangefinders is the growing construction sector. Noyafa is committed to scientific and technological applications of laser detection. The growing demand for digital measuring instruments for precise measurements and the resulting growing demand for hand lasers and distance meters in the construction industry is a key factor in the growth of the market for hand lasers and distance meters worldwide. Measuring tools continue to evolve with technological advances such as lasers. With the development of mass production of integrated circuits (IC), the measuring tapes have become digital. This is different from 100-foot measuring tapes, which are made of fabric and used to mark the exterior dimensions of large buildings.
Does a Network Cable Tester Detect Damage to the Cable?
Does a Network Cable Tester Detect Damage to the Cable?
They are really just meant to see if it's cut or not. Network switches will keep statistics on lines which may indicate some type of deterioration1. how to recover a lost security key using a lexsys router?If you have a machine connected by cable you are in luck. If not, connect your laptop via Ethernet cable to one of the numbered ports on the back of the router. Using the browser of your choice put in 192.168.1.1 in the address field. Unless you have changed it, that is the address of the linksys router. This will bring up a web page from the router. If it asks for an ID/password if you have changed it you will need it to go further. If you have not changed it then the ID is left blank and the password is "admin". Go to Wireless tab, select Security tab and the encryption code (password) will pop up. If is is all stars click on the box to show letters. Now, if you have just forgotten all of the stuff that has changed you will need to reset the router. There is a little button on the back, recessed a little. With the power connected, using a ballpoint pen tip, push in the button and hold it for 30 seconds. While still holding the button, remove the power plug from the back of the router and keep the button pushed in for another 30 seconds. Then, with the button still pushed in plug the power back in, keeping the button depressed for a last 30 seconds. Then release the button. The router will restart with factory settings. After the reset the router SSID will be "linksys" and it will have no security (password) required. You need to access the router now and set it up from scratch.2. cable tv is too expensive?great place to go when bored - work. TV does not pay u so turn it off. people who use less TV earn more $$$. if u must, google TV antennas for one that will work in your areas. rabbit ears do not work in many places.3. 15 Pin Serial Cable?A couple of our earlier generation terminal concentrator units ran on an RS-422 loop that used DB-15 connectors and cabling4. Broken CB Antenna CABLE ?typically, it is best to replace the cable. if that's not a viable option, then go to a CB shop or Radio Shack and get 2 PL259's that are the correct size for your coax, and a PL258 double female connector. repair the 2 coax ends via the instructions, and then connect to the PL258 use black tape (preferably stretch & seal tape) to completely cover the connectors and at least 2" past both connectors up on the coax, to keep water out re-check SWRs5. What Is The Main difference Between Cat 5e Ethernet cable and Cat 6 Cable Ethernet Cable?Let's say you want to play Warcraft with your buddies. A high-speed internet is what you would require for an uninterrupted gaming experience. You can either go for a Wi-Fi networking or a wired network. No doubt, Wi-Fi provides a convenient way to connect the computers at home without any unnecessary hassle of wires. But then, it is also slow and unreliable at times. A wired network, on the contrary, will enable a high-speed network for online gaming, video streaming, file sharing, and much more. Before opting for a completely wired network for your home, you should know about the different cables available in the market. Knowing which Ethernet cable to use can enhance your gaming experience. There are different kinds of network cords that can solve your purpose. The most popular ones include Cat5, Cat5e Cable and Cat 6 Cable. Each of them has its own specific qualities. However, you must select the one that best fits your purpose. All of these cables might look similar from outside but they are internally different. If you look at the text printed on the cable, you'll get to know what type it is. Here is a list of what all you need to know to select the perfect cable for your home network. Cat5: "Old and Slow"Cat5 is oldest of all the network cables. It is made to handle 10/100 Mbps speed, which means it is comparatively slow and less responsive. These cables are old and obsolete. You probably won't find them at a store but if you have an old modem, you might search for one. Cat5e: "Improved and Faster"It is the most used network cable. Cat5e Cable is better at keeping signals in different circuits or channels from interfering with each other. A much-improved Cat5e is made to handle 1000Mb speed, so it is faster than Cat 5 and provides a better networking experience. It is, currently, the most commonly used cable in new installations.Cat6: "Even Faster"Next to Cat5e is a Cat6 cable. It is way faster and much improved. This networking cord is made to support 10 Gigabit speed of Ethernet, which is huge. You probably don't have this high-speed network at your home. This cable would not make much of a difference with the speeds that we get at present. But if you are going for a new one, you might as well go for Cat6 as it is the best of the lot. What Is The Main difference Between Cat 5e Ethernet cable and Cat 6 Cable Ethernet Cable?
What Are the High Voltage Test Transformers_ Use of High Voltage Test Transformer
What Are the High Voltage Test Transformers_ Use of High Voltage Test Transformer
What is a high voltage test transformerHigh voltage tester refers to a kind of transformer that generates high voltage for high voltage test. High voltage test transformer has the characteristics of high voltage, small capacity, short continuous working time, thick insulation layer and usually one end of high voltage winding is grounded.High voltage test transformer is called test transformer for short. The test transformer is generally a step-up transformer. The test transformer uses the power frequency high voltage induced by the secondary side to test the insulation performance of various electrical products and insulating materials. Test transformer is an indispensable electrical equipment for withstand voltage test in the repair of motor, transformer and electrical products. The test transformer is mainly used for power frequency withstand voltage test of electrical products, partial discharge measurement, thermal stability test of insulating medium, etc; For medium and high frequency electrical equipment, special frequency test transformers can also be used for withstand voltage test and measurement of relevant electrical parameters.The primary and secondary windings of the test transformer have a large voltage ratio. The primary voltage is 0.4kV, 3KV, 6kV and 10kV. The secondary voltage can be made into 100 2000kv or higher, and the capacity can be 3 9000kva. For the field test of power equipment, the light test transformer is generally used; 50kV step-up test transformer is used for withstand voltage test of 6kV, 10kV transformers and other power equipment; For the withstand voltage test of high voltage, ultra-high voltage transformers and other power equipment with voltage level above 35kV, ultra-high voltage test transformers greater than 5 times the primary rated voltage of the tested equipment, such as step-up test transformers of 500kV, 700kv, 800kV and certain capacity level.Characteristics of high voltage test transformer1) High voltage: the primary voltage of the test transformer is 220V or 380V, but the secondary voltage of a single test transformer often reaches thousands to tens of thousands of volts. The test transformer with secondary voltage exceeding 750kV usually adopts multiple cascade structures.2) Small current: the rated current of the test transformer is actually the capacitive current of the tested object, so it is generally less than 1a. However, the secondary current of the test transformer used for cable and large motor test, external insulation pollution test, line corona test and other projects can reach several amps.3) Short working time: due to the short withstand voltage time of the tested product, the test transformer is generally 0.5h or 1H short-time working system except for external insulation pollution test, line corona test and cable test.4) The test transformers are generally single-phase and indoor devices (some are also made into outdoor devices): they are oil immersed self cooling structure, the winding insulation layer is thick, and one end of the high-voltage winding is usually grounded.5) The insulation level of the head and end of the secondary winding of the test transformer is different: the head end is high potential, and the end is directly grounded or grounded through an ammeter.6) High requirements for design and manufacturing process: due to the high working voltage, the insulation structure has a decisive impact on the overall size of the test transformer. Vacuum drying is generally required for the body, and vacuum oil injection is required for above 100kV.Classification of high voltage test transformers1) In terms of structure, there are iron shell type and insulated shell type test transformers.2) In terms of power frequency, there are several frequency level test transformers such as power frequency, frequency doubling, intermediate frequency and high frequency.3) According to the voltage level, it can be divided into low voltage, high voltage and ultra-high voltage test transformers.4) According to the use form, it can be divided into light mobile type and fixed type; There are also single use and two or more cascade use test transformers.The test transformer is generally single-phase and indoor devices, which are oil immersed self cooling structure. Because of its high working voltage, its winding insulation layer is thick, and one end of the high-voltage winding is grounded.The specific structural types of the test transformer generally include single bushing type, double bushing type and insulating cylinder type.Technical requirements for high voltage test transformer①Output voltage waveform. The output voltage waveform of the test transformer shall be close to the sine wave as far as possible. In order to reduce the voltage waveform distortion caused by the harmonic voltage generated by the harmonic component of no-load current passing through the impedance of voltage regulator and transformer, the magnetic flux density should be selected in the straight line section of core magnetization curve; At the same time, voltage regulating equipment with small waveform distortion shall be selected, and filter device can be added if necessary.② Impedance voltage. The secondary current of the test transformer is generally capacitive current. When the secondary current flows through the impedance of the voltage regulator and the test transformer, the output voltage will exceed the value determined by the voltage ratio. Therefore, the impedance voltage of the test transformer should not be too large, otherwise it may affect the accuracy of the test results and reduce the short-circuit capacity of the test equipment. However, if the impedance voltage is too small, the short-circuit current may increase when the test object breaks down or flashover. The impedance voltage of a single test transformer is generally 4.5 10%, and when multiple series transformers are formed, it can reach 30 40%.What are the high voltage test transformers1) DJ oil immersed high voltage test transformerOil immersed test transformer: large volume, heavy weight, large capacity, convenient maintenance and high maintenance cost in the later stage; Mainstream products.The oil immersed type is filled with 25# transformer oil, and the insulation cooling effect is the best2) GTB dry type high voltage test transformerDry type test transformer: maintenance free, light weight, small volume, inverted and high cost.3) Inflatable high voltage test transformerInflatable test transformer: it needs later maintenance, with good arc extinguishing performance, light weight and danger.The oil immersed type is filled with 25# transformer oil, and the insulation cooling effect is the best; Dry type has small volume and lightest weight, but the voltage is difficult to be high; The inflatable type is filled with SF6 gas.Application and operation method of AC / DC high voltage test transformerDuring the step-up or withstand voltage test of AC / DC high-voltage test transformer, if the following unusual conditions are found, the voltage shall be reduced immediately and the power supply shall be cut off. As of the experiment, the reasons have been found out: ①the pointer of the voltmeter swings greatly; ② The insulation of the invention burns or smokes; ③ There is unusual sound in the test object.Utilization and operation methods of AC / DC high voltage experimental transformer:1. Connect the power supply of the control box (console) and turn on the indicator light.2. Press the start button and the operation indicator light is on (otherwise, the voltage regulator is not in the zero position, please rotate the hand wheel of the voltage regulator to the zero position counterclockwise) indicating that the experimental operation can be stopped.3. Move the hand wheel of the voltage regulator clockwise to make the conditioning rate 2KV / s better, and watch the high-voltage meter rise to the required voltage value. For example, in the process of boosting, when the test object breaks down, short circuit and overcurrent occurs, the overcurrent relay acts to automatically cut off the power supply.4. If the experiment requests overcurrent control, adjust the overcurrent relay to the power supply current value required by the experiment in advance before operation, and the current relay will stop overcurrent protection according to the experiment request.5. While monitoring the high-voltage meter, an external 0.5-level voltmeter can be accepted at the instrument end for monitoring.6. Measure the insulation resistance and check the insulation condition before and after the withstand voltage test.
Automatic Screwdriver Model Prototype
Automatic Screwdriver Model Prototype
This last week, I took on the challenge of designing and creating a low-fidelity model prototype of an automatic screwdriver with several features, such as an automatic screwdriver head selection mechanism and a screen which keeps track of how many screws have been screwed/unscrewed. The main goal was to make a tool designed like OXO, which is known for applying universal design principles to make well-designed and easy to use tools for cooking.PlanningTo start, I did a quick competitive analysis on other automatic screwdrivers to see what common design elements were used across this tool. Some were very simple and looked very similar to a normal screwdriver, but with a button to automatically unscrew/screw. Others were more advanced, having systems to change the overall shape of the screwdriver between a normal and a drill like shape or being turned on using a gyroscopic mechanism to tell which way you are turning the screwdriver. I really clung to the idea of being able to easily change between a traditional and drill shape, because that would make it a lot easier to use in several different positions and orientations. After deciding on my main design form, I wrote up a list of requirements that I wanted my design to be able to do. The main goal I had was for it to work and feel the exact same no matter shape it is in. To do this, I decided that the buttons, switches, and screens would work the exact same between the two different shapes. The most novel design choice that made this possible was to have 2 different screens: one on the end of the screwdriver that would be active when the screwdriver is in its normal shape and one in the middle of the screwdriver that becomes viewable when the screwdriver is in its drill shape. This way, the screen is easily viewable in both shapes, so the experience of using its features does not change between the two shapes. Though this may not be an especially cost-effective solution, it does make the screwdriver much more usable and adjustable. After deciding on my main requirements and design choices, I started to draw some quick sketches of how I wanted the screwdriver to look like. I also drew out what the different screens and touchable elements would look like.Initial PrototypeAfter drawing out my main ideas, I attempted to make my first prototype out of materials I had in my house, which only consisted of a few toilet paper rolls and a paper clip. I attached two toilet paper rolls with a paper clip, which I form to feel like a trigger, which would control the variable speed control. I also drew on buttons to act as a switch between screwing and unscrewing. I tried to use stick notes to imitate the screen, but they did not easily fit onto the ends of the toilet paper rolls. I tested this prototype in its different shapes and on different wall positions/orientations to confirm that the main actions (viewing the screen area, pressing the trigger, and switching the screwing direction) were easy to do while using it. I also made sure that these actions could be done easily whether the user was right or left handed.Second IterationOnce I confirmed the model and form was easy to handle and use in different positions, I reiterated on my prototype using stronger and more diverse building materials, like cardboard, tape, velcro, etc. In this iteration, I decided on the size of the model and the main types of buttons. The screwdriver is fairly large, but definitely still felt easy to grip, use, and easily access all the buttons/functionality. I felt like it would be large when actually created so that the top half could hold several different screwdriver heads and so that the screen would not be too small to see/interact with. I filled the empty middle parts of the model with pinecones to imitate the added weight and ability to tightly grip the model. I decided on a pressure-sensitive button for speed control instead of a trigger because it made the model easier to grip in different positions. I imitated this using a piece of paper that was scrunched to feel more like a spring. I made a switch using tape, paper, and a paper clip so that the user can easily switch between screwing and unscrewing during use. I made a hinge so that the model could easily switch between the two shapes, but it was slightly weak and did not hold its shape very well. I tried using magnets to have it hold its regular shape better, though they were not strong enough. I chose to do a final iteration of this design to fix this issue and to make it look cleaner overall.Final IterationMy final iteration cleaned up all the details from the second iteration and also created the main screens. In this iteration, I added colors to make it cleaner and signify the physical parts of the screwdriver you can interact with. I added velcro to the middle of the screwdriver so that the middle could easily change shapes and hold its form. I also added it to the bottom the bottom so that the model could easily fit into a new rechargeable stand I made for it. The velcro also had the added effect of making it easy to place and replace the paper screens I made to imitate the digital displays of the screwdriver. The digital displays would always be displayed on the screwdriver no matter what mode it was in. The digital display had two major functionalities: to allow the user to automatically change the screw head and to show the user the how many screws they have screwed/unscrewed. The head selection screen allowed the user to tap or swipe between different screw heads and different sizes for the screw heads. The screw counter screen allowed the user to see how many screws they had screwed/unscrewed, and reset each count individually on a button tap. The buttons at the bottom of each screen allow the user to easily switch between the two screens.User Test and CritiquesAfter completing my final iteration, I had a friend test out my prototype. First, I gave him the prototype and let him explore it and try and figure out what each major part of the screwdriver did. Then I gave him a fake task of trying to fix an amplifier using the model, with the added difficulty of starting out with the wrong screw head and size. He seemed to understand how to do the task and how to utilize my prototype to do so. This user test is available here. I also showcased my work to my class for feedback and critiques. For the most part, people thought my prototype was easy to use and enjoyed the novelty of it having two digital displays. Most people really liked that it was designed to be used in the same way for both different shapes. The only real critique I got was that one person could not easily grip the bottom. For a final product, I would make the bottom half get skinnier towards the middle while remaining larger at the ends. This way, it would be easier to grip while keeping the space at the ends necessary for the screens. Overall, I really enjoyed this exercise and the ability to iterate multiple times on my ideas. Using cardboard and other low-fidelity materials was really fun, but after seeing the creative ways my classmates utilized these materials, I think I could one day re-iterate on this project and make it look/feel even better
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