Parallel port motor control programงาน

...hardware including an Arduino Uno R4, a NEMA 17 stepper motor, an A4988 stepper motor controller, an RC522 RFID antenna, a 1602IIC LCD display, and push buttons. All of these components need to be connected to the same arduino. I need this system function as follows: - When the push button is pressed, the stepper motor will be moved X amount of steps in one direction after a delay of 1 second. At this time, the LCD display should display "Scan ID to Unlock". - When a registered and accepted RFID tag is scanned, the LCD will display "Tool Unlocked". When this happens, the stepper motor should be moved X amount of steps BACK to where it came from. - If an RFID card which is NOT registered (ie not valid) is scanned, the stepper motor...

...**Experience with Natural Language Processing (NLP)**: Since the application involves analyzing and processing resumes and cover letters, expertise in NLP is essential. This includes familiarity with text classification, sentiment analysis, and machine learning models that handle language data. 3. **Software Development Best Practices**: Understanding of software engineering principles, such as version control with Git, continuous integration/continuous deployment (CI/CD) practices, and agile development methodologies. 4. **Problem-Solving Skills**: Ability to troubleshoot and improve upon existing code, optimize application performance, and solve complex software development issues. 5. **Data Management Skills**: Proficiency in managing and manipulating large datasets, unders...

...looking for a talented designer to create a professional and innovative logo for my company called 'ATMOS Automation'. Short for atmosphere automation. I would like the logo to convey what are business does. Which is automate 'commercial buildings downtown' and makes their system 'smart' and 'green.' This is by 'connecting' their heating, cooling, lighting, and anything else to a smart system for control and automation. The color scheme isn't a huge concern as much as the design is. I don't need a incredibly detailed logo. I have attached some examples of things I like. As much as I like word only logos, I would prefer to have an icon/image or integrated into a wordmark. Ideal Skills: - Proven experience in creating p...

I'm in urgent need of a skilled developer who c...into my Shopify store. Key Requirements: - Full Product Synchronization: Ensure all products from the API are properly integrated into my Shopify store, with accurate information and formatting. - Inventory Management: Keep track of stock levels and ensure that they match with the API. - Order Management: Ensure orders are properly updated and synced between my store and the API. - Pricing: Full control over pricing, ensuring it's accurate and in sync with the API. I need this project completed ASAP, so I'm looking for someone with solid experience in Shopify app development and API integration, preferably with Amazon, eBay or Walmart product APIs. Please only apply if you can start immediately and deliver a high-qua...

...in need of a skilled PCB designer to create a design for a straightforward electrical device focused on temperature control. Key Details: - The main function of the device is temperature control. - I already have in mind the components that I need for the device such as temperature sensors, and cooling/heating elements. - The desired temperature range for the device to control is around 40°C. Desired Skills and Experience: - Proficiency in PCB design, particularly in the context of temperature control devices. - Experience in working with temperature sensors and cooling/heating elements. - Understanding of the thermal dynamics and the design constraints of temperature control devices. - Ability to bring this project to life in a timely and cost-...

We are looking for a skilled full-stack web developer with expertise in Golang for back-end development and ReactJs for front-end development. The ideal candidate will have hands-on experience in developing web applications using these technologies. Responsibilities: - Collab...back-end - Develop user-friendly and responsive front-end components using ReactJs - Integrate APIs and third-party libraries as needed - Troubleshoot and debug any issues that arise during development Skills required: - Proficiency in Golang programming language - Strong knowledge of ReactJs and its core principles - Experience with RESTful APIs and web services - Familiarity with Git version control system - Understanding of front-end build tools like Webpack or Babel - Good problem-solving and communicat...

I have a flying drone that I program myself. And I will put lidar scaners on it. 4 scaners I put on my drone. Then I will have a a thing that makes that light beam. It's going to be a ray, a beam of light that I will control. And what I need is the drone to scan the environment to find that beam. Then whenever the drone finds the beam, it's going to see which of the 4 sensors found the beam. Then It's going to adjust itself, rotate and move untill all 4 of the sensons see the beam. When that happens it means that the drone is going exactly where the beam is coming from. Then the drone just has to go there and that's it. It's simply like in this video:

...**Repurposing Old Hardware**: The main aim of this project is to make use of an old laptop's keyboard and monitor. The PCB should make it possible to connect these to a desktop host. Ideal Skills and Experience: - **PCB Design**: You need to have a strong background in designing PCBs. It's crucial that the PCB you design supports USB and HDMI connectivity, and allows for key mapping and backlight control for the keyboard integration. - **Embedded Systems**: Experience with embedded systems is a big plus as it helps in seamlessly integrating the keyboard and monitor to the desktop host. - **Hardware Repurposing**: Understanding of how to reconfigure old hardware for new purposes will be highly beneficial in this project. Please reach out if you think you have the sk...

I need a highly skilled engineer to develop a design for a manufacturing robotic tool. The robot's critical function includes a basic motor and pulley system, designed primarily for assembly tasks. The tool should be specifically designed for linear motion. Skills and Experience: - Mechanical Engineering - Robotics - Manufacturing Engineering - Assembly Processes - Mechanical Design This project requires detail-oriented individuals with superior communication. Previous experience or knowledge in robotic tool manufacturing would be a significant advantage. Anticipated turnaround time for this project is crucial; prompt responses and progress updates would be expected throughout the project.

Description: We are see...third-party APIs and services as needed Conduct thorough testing to identify and resolve any bugs or issues Provide ongoing support and maintenance for the website and plugins Requirements: Proficiency in WordPress development, including theme and plugin development Strong understanding of PHP, HTML, CSS, and JavaScript/jQuery Experience with MySQL databases and SQL queries Familiarity with version control systems such as Git Knowledge of WordPress security best practices Ability to troubleshoot and debug issues effectively Excellent communication and collaboration skills Attention to detail and a commitment to delivering high-quality work Duration: This is initially a one-month project with the possibility of extension based on project needs and mutual ...

I am seeking a proficient VB.Net, Asp.Net Web Form, User Control, entity framework developer with expert level experience to work on both the front-end and back-end development of a web application. Key Responsibilities: - Design, build, and maintain efficient, reusable, and reliable VB.Net code for our web application. - Ensure the best possible performance, quality, and responsiveness of the applications. Ideal Skills and Experience: - Expert in VB.Net with a strong understanding of the .NET framework. - Profound grasp of front-end and back-end development processes. - Excellent troubleshooting skills for bug fixation. - Prior experience of working on a web application development project is highly desired.

...existing pole barn plans to meet the requirements of the Fire Marshal in Louisiana. Key Requirements: - Structural Modifications: The primary changes needed for the plans are structural in nature. These modifications are necessary to ensure the building meets safety standards and regulations set by the Fire Marshal. - Insulation: The revised plans should also include insulation for temperature control. This is essential, as the pole barn will be used for storage and office space. - Ventilation System: Another key requirement is the inclusion of a ventilation system in the plans. This system is crucial to maintain air quality and create a comfortable environment inside the pole barn. Ideal Skills: - Professional Engineering Background: The ideal candidate should have a backgrou...

I'm in ne...following: • Performance analysis of a power electronics bidirectional converter for grid to Vehicle and Vehicle to Grid based on ANN control. The ideal candidate for this job would need to: • Have a deep understanding and specialisation in power electronics. • Be exceptionally adept at MATLAB. • Have extensive experience in performance analysis and design of power systems, specifically power electronic converters. This project will require an intricate understanding of different aspects of power electronics and the use of MATLAB will be instrumental in this. The main goal is to perform a matlab simulation for the bidirectional converter based on ANN control. The successful implementation of this job will help me make informed decisions...

I need to enhance 50 audio files, which are mostly 5 to 10 seconds long, with an audio filter replicating the atmosphere of an Air Traffic Control communication. Key Requirements: - 4 distinct effects are required depending on which file of the 50. - The first effect should mimic the ground communication with the tower. It should have a Radio AIR traffic control effect, but not as strong as the airborn communication with the tower. . - The second effect should replicate a more amplified Air Traffic Control communication (airborn). - Third effect on a couple of files is to sound very garbled (inaudible sort of). - Fourth effect is totally garbled and cannot hear properly. Expectations: - The final audio files should have a clear distinction between various ef...

I am seeking a Python programmer who can develop a program for me. This program will be responsible for certain data manipulation tasks, following specific rules and functionalities. This is quite an interesting and challenging project which may involve the following: - Writing a Python program that will filter or block specific tags. - Implementing a tag hierarchy, ensuring correct relationships and positions. - Applying formatting rules based on the tags. The ideal candidate for this project should have a strong expertise in Python, as well as a good grasp of data manipulation and structuring. It would be favorable if you have experience with similar projects involving tag-based data handling. Your efficiency in coding, attention to detail, and problem-solving skil...

I'm looking for a skilled developer to assist in moving some elements and features from my existing HTML and CSS project to a Blazor project. Key Requirements: - Porting a Horizontal Navigation Menu: This must be accurately replicated in the Blazor project, ensuring it maintains the same functionality and design. - Responsive Layout: The project should prioritize responsiveness for Mobile Devices, Tablets and Desktops. It's important that the layout remains consistent across these devices. The ideal freelancer for this project should be proficient in Blazor, HTML, and CSS. Prior experience with responsive design and porting web elements across different frameworks will be an advantage. A high level of attention to detail and the ability to follow existing design and user exper...

...house design team, fabrication engineers and building material installers to provide an updated facade for any commercial / industrial building. - Choose durable, aesthetically pleasing materials that align with the property's character and purpose. 2. **Overseas Manufacturing**: - Leverage our factory's capabilities to manufacture facade materials efficiently. - Maintain strict quality control during production. 3. **Delivery and Installation**: - Coordinate logistics for timely delivery of materials. - Our skilled team handles professional installation on-site. 4. **Cost Advantage**: - Offer competitive pricing (approximately 1/3rd of traditional contractors) due to our vertical integration. 5. **Target Audience**: - Commercial and industrial ...

...from boreholes and water is purified and stored on the roof of the property, solar water heater, and pump, and septic tank are to be dug out for human waste, rain water harvester, and 2x waster storage tanks on the roof. The outer wall should have a gatehouse with a draw bridge, a draw bridge to be raised by the 2x electrical motors but a manual way to raise the bridge is essential in cases of motor failure. security cameras to be fitted to the exterior of the property to cover 360 of the property and cover all blind spots, all cameras to have IP68 water resistance and night vision, infra-red, motion detectors, connected be via smart app, and have PR sensor lights attached to external cameras, all internal areas to have cameras with exception to guest bedrooms and toilets. Prop...

...appear during the design. I can provide schemas for all the parts involved (can bus, LVDS, AIS,...). The job consist in the design of the board merging all schemas in one, and generate all the files needed by JLCPCB or oher manufacturer to produce the board. Ideal skills & experiences: - PCB Design and Raspberry Pi familiarity - Hardware architecture knowledge - CAN protocol and USB/Ethernet port integration - LVDS and PCI express slot integration....

I'm in need of an experienced Excel programmer to create a customized program for data analysis. The primary purpose of the program is to assist in data analysis. Thus, it should help in organizing and interpreting large sets of data. The program will need to handle data from two main sources: - Text files (CSV, TXT) - Manual input The ideal freelancer for this job should have a strong background in Excel programming and data analysis, with specific experience in handling various data types and creating efficient, user-friendly Excel programs. Key Skills: - Proficient in Excel programming - Skilled in data analysis - Experience working with text files and manual input - Ability to create user-friendly applications - Understanding of data organization an...

I'm in need of an ESP32 BLE application that can be controlled remotely. The platform for the user interaction will be Arduino ESP32. Key Requirements: - Client/Server Architecture: This application should have a client/server structure. - Bidirectional Communication: The application should support both reading and writing data. - Multiple Device Control: The application should be capable of controlling between 1-5 different devices. The ideal freelancer for this project should have: - Strong experience with ESP32 and Bluetooth Low Energy. - Proficiency in developing applications for Arduino ESP32. - Proven track record of building client/server applications. - Excellent communication skills to understand the specific requirements of this project.

We are in need of a highly skilled Laravel expert team to continue development on existing ...- Extensive experience in Laravel development - Proficiency in Laravel customization and optimization - Strong understanding of Gitlab - version control !* - Strong understanding of web development principles and best practices - Ability to work on a large-scale project and deliver high-quality results - Excellent problem-solving skills and attention to detail - Database Design & Management: The ability to design and manage a highly organized, efficient database is crucial. Skills that would be beneficial: - Thorough Laravel expertise - Proven track record in creating reporting and analytics solutions !!!*** - Understanding of Git version control - Proven track record in creatin...

Looking for a specialist to develop a smart kitchen and full delivery system that enhances our financial performance. This will be a microservices project, with each component catering to a specific aspect of the business. Key Features: -Smart appliances control: Adjusting appliance settings remotely. -Inventory management: Keeping track of stocks and supplies. -DLC (date of expiration) tracker from photo -> giving signals when the food need to be put in trash - Road optimization - Order dispachers - Live delivery guy tracking - Finance overview Delivery Tracking System: -Real-time GPS tracking: For live updates on delivery status. -QR code scanning: Giving access to essential order information. -SMS notifications: Keeping our customers informed. Reporting & Data Analysi...

I'm seeking an HVAC expert with a solid background in energy efficiency and maintenance troubleshooting. The core focus of this consultation will be for commercial buildings. The successful freelancer will be able to: - Offer i...with HVAC systems and suggest possible improvements. - Identify potential maintenance challenges and recommend solutions to avoid potential future breakdowns. The ideal candidate should have extensive experience in the field, especially in dealing with commercial premises' HVAC systems. In your application, please detail your relevant experiences in HVAC consultation. I have a Honeywell LCBS Control System with five RTU's that provide air to 31 salon suites and goal is to get the system as efficient and comfortable as possible. Your expe...

I'm looking for an experienced ad manager to take over the advertising for my business. I need someone who has worked with Google Ads, Facebook Ads, and Instagram Ads. Key Features: - I need the manager to focus on campaign management, specifically. I want the manager to take control and be responsible for the entire process. - It is essential that the manager can manually control all aspects of the campaigns. I want someone who can get in there and adjust everything. Ideal skills and experience: - Extensive experience with Google Ads, Facebook Ads, and Instagram Ads. - Proven successful campaign management. - Proficiency with manually controlling all aspects of the campaigns.

Necesito un programador especializado en sistema de respuestas automáticas de Whatsapp Business para implementar en un Control Panel que tenemos de atendimiento de clientes. Puede usar la plataforma que más le convenga, tales como U utra en que se encuentre cómodo

I'm looking for a proficient developer to add features to an IoT website. The website receives data from IoT device and provides users visualization of their data. Looking to add features to user access control and push data to IoT device. Freelancer must have ESP32-S3

I need kidsafe parental control app source code properly working code needed example

Install IIS and setup a working reverse proxy to point to geoserver working on localhost port 8080

...to Speech (TTS) system that specifically caters to the Sorani Kurdish dialect. The primary goal of this project is to convert spoken Kurdish into written text to be utilized for voice commands and control. I am looking for a person to design a project (Automatic Speech Recognition (ASR), Text to Speech (TTS)(Text to Speech (TTS) and Speech to Text) by Kurdish Key Responsibilities: - Develop an ASR system capable of accurately transcribing Sorani Kurdish - Implement a Text to Speech (TTS) feature enabling the system to speak back in Kurdish - Ensure the system supports voice commands and control, enhancing its usability Ideal Candidates: - Experienced in speech processing and recognition technologies - Proficient in developing ASR and TTS systems - Familiar with Kurdish...

I am seeking an UK based experienced Golang Developer to build a robust and secure Go program that manages updates for another Go executable. This project requires creating a system that monitors GitHub to automate the process of updating, running, and, if necessary, rolling back an executable in a restricted Linux environment. Responsibilities: Develop a program that checks for new versions of an executable stored on GitHub and updates the running executable accordingly. Implement functionality to run the updated executable and perform startup tests to ensure its stability. Design a rollback mechanism to revert to the previous stable version if the new version fails at startup. Incorporate signature verification for each new executable to maintain security and a...

...be able to access real-time weather data, forecasts, and relevant alerts to optimize farming activities. - Pest and disease detection: The app should have a feature that enables farmers to identify common pests and diseases, and provides solutions for their control. - Sell and buy service: The app should facilitate the buying and selling of agricultural products, including seeds, pesticides, and other farming-related goods. - Sell pest: There should be a dedicated area for pest sales, ensuring a safe and effective method of pest control. I'm looking for a developer with experience in creating user-friendly mobile apps with similar complexities. A previous background in agricultural technology solutions would be an added advantage. Please provide examples of similar p...

We're seeking an individual who can help develop a BLDC motor circuit (with IR / RF) also capable of reverse engineering and conducting comprehensive analyses of each component and functionality, and redesigning them to improve performance and efficiency, someone who can design a working PoC and demonstrate their mastery of the redesigned circuit. - Multi-layer PCB Design - Reverse Engineering - Extensive knowledge of Digital Electronics - Experience working with brushless motors. - Firmware development/coding skills (c, c++, assembly or similar skills) - working knowledge of multiple ICs Once the project is completed, along with the BOM file and GARBER file, the PoC project also has to be submitted. IMP: Freelancers must sign an NDA before beginning to work on the project.

...This will allow users to easily store, retrieve, and organize their documents. - Version Control: It's important that the system provides version control for the documents. This feature will help in keeping track of changes made to the documents and retrieving previous versions if needed. - Access Control: Security is paramount. The system should have a robust access control mechanism so that we can control who has access to what documents, and at what permission level. Ideal Candidate: - Extensive experience in building document management systems. - Proficient in managing large user bases. - Strong knowledge of text document handling. - Adept at implementing version control and access control systems. - Experience with se...

I'm looking for an experienced electr...land (a empty lot) suitable for bitcoin mining - cost to zesco to install a 300kva transformer at the land - local guide to assist our personnel in the area Your primary task will be to help plan and execute the electrical installations for our mining facility and to find suitable place to building BTC(bitcoin) mining facility. This will include setting up lighting, power outlets, and motor control systems throughout the building. Your attention to detail and ability to work in a timely manner will be essential for the success of this project. If you have the skills and experience necessary for this role, I'd love to hear from you. Please provide examples of previous similar work you've done, and let me know how ...

...NOT used by any of the lessees ever to mark their boundaries. The subdivision process could continue until when all the lessees in all patches stop subdividing their land. This process described here leads us to the image that is taken as input to a program. NOTE: You can assume that the smallest possible rectangular patch has the shortest side of two pixels in length. Think well about the problem and once you are sure of a solution, design on the paper (this "design" needs be then described into the pseudo code part) and then implement a program ex1(input_file, output_file) which: - reads the file indicated by the parameter 'input_file' using the 'images' library - preprocesses the image--if needed--and implements a *recursive...

...need of a real-time barcode-based inventory control system, I am looking for a skilled freelancer to design and implement a system that will help me effectively manage my inventory. The system will need to be developed from scratch as it does not need to integrate with any existing software or systems. Key Features: - Real-time Inventory Tracking: The system should allow me to track inventory levels in real-time to prevent stockouts and overstocking. - Reporting and Analytics: An essential feature of the system should be the ability to generate detailed reports and analytics. This will help me make data-driven decisions to optimize my inventory management processes. Ideal Skills: - Extensive experience in designing and developing inventory control systems, particularly b...

I'm looking for a skilled developer to help me set up nRF24L01+ with my cross-platform mobile app. The device will be used for remote control, so it's crucial that the app has a user-friendly, custom control interface. Key requirements: - Cross-Platform Development: Experience in developing apps for both iOS and Android is a must. - nRF24L01+ Integration: Proficiency in integrating this hardware for remote control purposes. - Custom Control Interfaces: Ability to design and implement an intuitive, custom control interface for the app. Your understanding of mobile app development, nRF24L01+ integration, and UI/UX design will be essential in delivering a high-quality, functional product. UAE Based

We are in need of a highly skilled Laravel expert team to continue development on existing ...- Extensive experience in Laravel development - Proficiency in Laravel customization and optimization - Strong understanding of Gitlab - version control !* - Strong understanding of web development principles and best practices - Ability to work on a large-scale project and deliver high-quality results - Excellent problem-solving skills and attention to detail - Database Design & Management: The ability to design and manage a highly organized, efficient database is crucial. Skills that would be beneficial: - Thorough Laravel expertise - Proven track record in creating reporting and analytics solutions !!!*** - Understanding of Git version control - Proven track record in creatin...

...improve various aspects of our operations. I'm seeking a professional who can help me specifically with: - Identifying the best AI strategies for our cold chain pharmaceutical company - Implementing AI for predictive maintenance, quality control, or inventory optimization - Addressing the current challenges or pain points in our operations through AI. I'm open to suggestions on the optimal AI applications for improving our cold chain management system. Ideal skills for this job include: - Experience in AI implementation, particularly for quality control in the pharmaceutical industry - Strong background in predictive maintenance and inventory optimization - Ability to conduct a thorough analysis of our current operations and identify the best AI application...

...click-to-call campaign targeted towards local customers. The main goal of this campaign is to increase the number of phone calls I receive from potential clients. Key requirements and tasks include: - Expertise in creating and managing Google Ads campaigns, with a particular focus on click-to-call - A deep understanding of local marketing and targeting strategies USA marketing and segment is Pest control - Proven experience in driving phone call conversions through online advertising - Ability to track and analyze campaign performance, and optimize accordingly to maximize phone call leads - Excellent communication skills and a proactive approach towards campaign management and optimization Ideal candidates should have a demonstrable track record in similar campaigns and be ab...

Need to open port 25 and 53 using VPN.

A method to quickly read Telegram emojis and delete emoji messages without leaving any traces. When you delete a message, others cannot see that the message has been deleted. Calculate the required information and delete the unnecessary information.

We are in need of a highly skilled Laravel expert team to continue development on existing ...- Extensive experience in Laravel development - Proficiency in Laravel customization and optimization - Strong understanding of Gitlab - version control !* - Strong understanding of web development principles and best practices - Ability to work on a large-scale project and deliver high-quality results - Excellent problem-solving skills and attention to detail - Database Design & Management: The ability to design and manage a highly organized, efficient database is crucial. Skills that would be beneficial: - Thorough Laravel expertise - Proven track record in creating reporting and analytics solutions !!!*** - Understanding of Git version control - Proven track record in creatin...

...looking to create a unique virtual art gallery. When you enter the room, the audio will be rolled up and down based on your proximity to the paintings. - Audio: The purpose of the audio is to create an immersive experience. It's not just about the paintings, but the entire atmosphere of the room. The song you should use will be from my album tracks. - Customization: I want visitors to have control over how they are perceived by others in the room. They should be able to select a digital avatar to represent them. The avatars should be realistic human avatars, adding a personal and social element to the digital art gallery. Also an opportunity to get photos of themselves with visitors or with the artwork or me. Be able to like their favourite song Ideal skills for this ...

I need someone to add a total of 50 bookmarks to my Word document. Essential Requirements: - Add 50 bookmarks to the document - create a excel; audit xls with 50 rows listing the bookmark name and the section text name (we use that as quality control and testing)

I'm in need of a professional who can design code in Matlab specifically for function approximation. Knowledge and understanding of radial basis function and expertise in Matlab programming is a must. I have not specified any constraints the code needs to adhere to, therefore, you should be able to creatively design a code that operates efficiently and accurately for function approximation. Look forward to a fruitful collaboration.

I'm in need of a talented designer to create a logo for our boat name. Our boats name is “Reboot” without the quotes and the home port name of “Jensen Beach, FL” needs to be displayed in a smaller font under the name. The name “Reboot” is inspired by when we go out in the boat, it gives us a mental reboot, similar to when you reboot a computer. We are liking designs that have "techy" look. The boat is a light blue color and I have provided a picture of the boat for inspiration. Please do not include pictures of boats in the logo, no other stereotypical marine type items such as anchors, steering wheels, etc.. We look forward to seeing what you come up with. We need this logo ASAP so the winner will be chosen in 7 days. Thank ...

...electric drill. - Experience in assembly creation is crucial. You will be responsible for putting together the various parts of the drill in a coherent and functional manner. - Knowledge of electrical components and their selection is a must. You will be helping me to choose the right components for the drill's operation. The electric drill should have the following features: - Variable speed control: The drill should be able to operate at different speeds, catering to various drilling needs. - Forward and reverse rotation: It should be able to rotate in both forward and reverse directions for versatile use. - Drill bit change mechanism: The drill should have an efficient mechanism for changing drill bits easily. Additionally, the electric drill should be powered by both a...

...electric drill. - Experience in assembly creation is crucial. You will be responsible for putting together the various parts of the drill in a coherent and functional manner. - Knowledge of electrical components and their selection is a must. You will be helping me to choose the right components for the drill's operation. The electric drill should have the following features: - Variable speed control: The drill should be able to operate at different speeds, catering to various drilling needs. - Forward and reverse rotation: It should be able to rotate in both forward and reverse directions for versatile use. - Drill bit change mechanism: The drill should have an efficient mechanism for changing drill bits easily. Additionally, the electric drill should be powered by both a...