Charging circuit for 12v 7ah batterycông việc
Thiết kế mạch nguyên lý và vẽ mạch bằng altium
Tự động hoá nhà nuôi yến. Yêu cầu 1 hệ thống tự động, điều khiển từ xa thông qua kết nối internet, hoạt động trên 1 PC (kết hợp Arduino). - Hệ thống hoạt động trên nguồn điện DC 12v. - Output 3 lines âm thanh độc lập + 3 amplifiers. - Đo nhiệt độ và độ ẩm. Output: DC brushless pump. - Giám sát bằng camera, sensor báo động đột nhập. - 3 ngõ Output khiển tích hợp timer: bơm hơi, đèn, quạt. Bạn thạm gia dự án có thể chọn 2 phương án: giá thầu tổng hoặc chỉ thi công (vật tư dự án cung cấp)
I need someon whoo Will make a research or find a product on the market for me. I need a micro gps trucker, which can be attached to a pigeon leg so small waigt max 15grams, for my studies of pigeons, the battery must resist for 3 day. so i need a micrko gps trucker who Will show me on the app on the real time the exsact location where the bird is. IF THIS ALREDY EXSIST ON THE MARKET i need a price and a supllyer for big qutities of micro truckers or if isnt jet on the market. I need a research who should built this mikro trucker for me and for how much, so find me a suplier to who Will produce it. TIME TO do until 4.4.2015- that you have time to contact the suplier. Money for the reserch 15 usd(exact result i Will tellyu on privat...
Short brief: I need a 3D-printable vehicle that travels on a rail for a trade show display. The vehicle's outer shell design will be provided, but it needs to have a functional interior with a motor and wheels. Read whole brief for full scope. Ideal skills for this project include: - Experience with mechatronics design - Experience with building fully functional prototypes from design - Proficiency in CAD & 3D modeling software - Experience with designing for 3D printing - Experienced with electronics - Knowledge of vehicle mechanics In detail below: (see attachments for quick visual overview) Develoment of 3D-printable Vehicle traveling on rail for visual display I have a project where a small vehicle will travel on a rail. This...
I'm looking for a skilled Python game developer to create a game-based user interface (UI) for an off-grid solar wind battery generator system. I am just looking for the UI component at this time, please look at the attached pdf .... the display is 800X800 but is round :-) Key Responsibilities: - Real-time Monitoring: The UI must allow for the real-time monitoring and visualization of various system parameters. - Energy Metrics: The specific parameters to be monitored include energy production, energy consumption, and battery status. Ideal Candidate: - Proficiency in Python and game development, particularly with the Pygame library. - Prior experience designing UIs for renewable energy systems is a plus. - Skills in creating engagi...
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...professional to install a solar battery in my garage, with the purpose of providing backup power. The battery will be connected to my existing solar panels, which have a capacity of 5-10 kW. Key Requirements: - Expertise in solar battery installation - Experience working with 5-10 kW solar panel systems - Ability to ensure the system provides reliable backup power Ideal Skills: - Knowledge of solar energy systems - Electrical engineering background - Problem-solving skills to address potential installation challenges I'm looking for a freelancer who can complete this project efficiently and effectively. Please provide examples of similar projects you've completed. Knowledge of E48-2.0 ABS alliance batteries. Have 10 batteries but p...
I'm seeking a skilled who can quickly and accurately design a mixed-signal circuit using the Proteus/ISIS simulation software. This project revolves around the study of a photovoltaic-wind hybrid network connected to a High Voltage Direct Current (HVDC) bus. Key aspects of the project include: - Understanding and implementing the complexities of a hybrid renewable energy network. The ideal candidate for this project will have: - Proficient experience with the Proteus/ISIS simulation software. - Experience with designing circuits for renewable energy systems. Speed and accuracy are paramount for this project, and I am prepared to compensate appropriately for high-quality work.
I need a circuit board designed and built that uses an ESP32 to drive a large number of LEDs (SMD, 300-500). The LEDs should be arranged to represent a detailed map that will be provided. Key Requirements: - Design and construct a visually appealing circuit board (as it may be directly exposed to end user) - Use an ESP32 to control a large number of LEDs (you will have to explain how you plan on doing this) - Arrange the LEDs according to a detailed city map which I will provide on the circuit board. Ideal Skills and Experience: - Electronics and circuit board design - Proficiency with ESP32 - Experience with LED projects - Design skills for creating an aesthetically pleasing product
I am in need of an experienced electrical engineer specializing in circuit design. The project involves designing a circuit for an unspecified application, so versatility and creativity are key. Ideal candidates should have: - Extensive experience in circuit design - Ability to work on various applications, from consumer electronics to industrial machinery - Innovative thinking for creating efficient and effective designs
...functionality of the app is to help users locate nearby businesses offering "happy hour specials on food, drinks or experiences." Key Features For the App: = Each happy hour location should have comprehensive information, including: = business address, directions, reviews and ratings, menu and prices, and photos of the location, products and experiences. - The app should also incorporate: = "Call Location" Feature for clients who would like to call location = Booking/Reservation ability if the location permits = Share Button to share deals, locations, reviews and photos. = Save/Favorite Location button = An easy to use back end "offer section" for clients to add/edit happy hour deals on the app and computer back end. = An experience ...
...inverter will need to handle power ratings between 10 kW to 50 kW. Ideal Skills & Experience: - Background in power electronics - Proven track record in inverter/fast charger design - Experience in industrial applications and CANBus protocol - Ability to design for power ratings between 10 kW to 50 kW We are seeking a skilled engineer to design and develop a 30 KW DC fast charger based on the Infineon SiC module reference design. The ideal candidate will have experience in power electronics and familiarity with high-efficiency charging technologies. Your expertise will be crucial in ensuring the charger meets performance and safety standards. Please provide examples of previous projects and any relevant certifications. The specification of the charger as follows Se...
I'm looking for a modern, engaging flyer for our new product, the ELECTRONIC MOSQUITO REPELLANT WRISTBAND. This flyer will be used on Facebook and Instagram, so it needs to be eye-catching and shareable. Key Requirements: - Utilize the attached product images and our logo - Include our website - - Incorporate a QR code (link will be provided to the winner) - Use email address (also supplied to the winner) - Do not include telephone numbers, physical address or price The flyer should be aimed at outdoor enthusiasts. Therefore, it should highlight the key benefits of the wristband which are: - Long battery life - Water-resistant - Chemical-free Ideal Skills: - Graphic Design - Social Media Marketing - Understanding of Outdoor Enthusiast Target Audience - Abilit...
I'm in need of a basic precision, manually controlled, adjustable current regulation circuit that can handle up to 15A at 170VDC. The primary application for this circuit will be within power supply systems. Key Requirements: - The circuit should be able to adjust the current from 0 to 15A. - It should be designed for use in power supply systems. - The level of precision required for current regulation is basic. - The control for adjusting the current should be manual or digital. Ideal Skills: - Circuit design and development. - Experience with power supply systems. - Understanding of basic precision regulation.
...Social Networking mobile application, specifically for the Android platform. Ideal Skills and Experience: - Proficiency in Android app development - Strong understanding of social networking app features and user interface - Experience with integrating social sharing features - Knowledge of mobile app security measures - Ability to optimize app for performance and battery life - Good communication skills to understand project requirements and provide updates. The app should include: - User profiles and customizable settings - Friend requests and following features - Chat functionality - Post sharing capabilities (text, images, videos) - Notification system for interactions - Search functionality for users and content - Privacy settings for ...
...Social Networking mobile application, specifically for the Android platform. Ideal Skills and Experience: - Proficiency in Android app development - Strong understanding of social networking app features and user interface - Experience with integrating social sharing features - Knowledge of mobile app security measures - Ability to optimize app for performance and battery life - Good communication skills to understand project requirements and provide updates. The app should include: - User profiles and customizable settings - Friend requests and following features - Chat functionality - Post sharing capabilities (text, images, videos) - Notification system for interactions - Search functionality for users and content - Privacy settings for ...
...Social Networking mobile application, specifically for the Android platform. Ideal Skills and Experience: - Proficiency in Android app development - Strong understanding of social networking app features and user interface - Experience with integrating social sharing features - Knowledge of mobile app security measures - Ability to optimize app for performance and battery life - Good communication skills to understand project requirements and provide updates. The app should include: - User profiles and customizable settings - Friend requests and following features - Chat functionality - Post sharing capabilities (text, images, videos) - Notification system for interactions - Search functionality for users and content - Privacy settings for ...
I'm in need of a seasoned FSM (Finite State Machine) Arbiter expert specializing in digital circuit design. Key Responsibilities: - Design and implement an FSM Arbiter for a digital circuit. You should have: - Extensive experience in digital circuit design and FSM Arbiter. - A deep understanding of the design and implementation of FSM Arbiter. Deadline: 1 days
...experienced graphic designer to create a series of product images for a Milk Frother. These images will be used for an Amazon product listing and should follow a modern aesthetic. The images will be based on a comparison with the best-seller in this product category. Key Requirements: - Highlighting what's inside the box - Showcasing the product's key features: recharge mechanism, frothing speed for various beverages, and intelligent motor - Creating a comparison between a battery-operated and a rechargeable model, with an emphasis on portability and space-saving attributes - Detailing the product's motor - Designing similar images for Black, White & Silver versions of the product. I will provide existing product images in JPEG ...
I am seeking an experienced SAP BRIM functional consultant with over 5 years of expertise specifically in SAP Convergent Charging and Convergent Invoicing. The primary purpose of this engagement is to provide necessary support . We need assistance for Realtime examples with project explanation for interview preparation for implementation and support project explanation with support ticket explanation. we will pay hourly payment.
...and Android (kotlin) Watch App Developer who will be responsible for developing and testing our new wearable application. You MUST demonstrate the ability to use the tech-stack and complete the work/milestones before they are due, to allow time to test and bugfix any issues. The primary focus of this applications will be real-time monitoring of heart rate and detection of anomalies to trigger emergency alerts when necessary. The ideal candidate should have a strong background in mobile app development, particularly with React Native for both iOS and Android platforms, and experience in integrating health monitoring features into wearable devices. Key Responsibilities: - Develop Apple Watch and Android Watch applications for mobile app built on react native. - Imp...
I'm seeking a skilled engineer or team to develop an advanced Anode Baking Furnace Rover designed to optimize efficiency and safety within harsh furnace ...support maintenance, quality control, and process optimization. Key requirements include robust mobility with self-balancing legs, 360-degree movable tires, and the capability to cross 6-8 inch hurdles. It should feature a durable, heat-resistant design, a high-capacity battery for 5-6 hours of operation, advanced sensors for obstacle detection, and gimbal-managed cameras for visual and endoscopic inspections. The system must support wireless remote control, real-time image transfer to servers, and a protective frame for equipment safety. If you have the expertise to bring this innovative soluti...
I have DXF and Python files ready to be processed on an electrical CAD. I'm looking for someone who can run the files and create the necessary 2D drawings. The specific elements that need to be included are: - Circuit diagrams - Wiring schematics - Panel layouts - A Parts list Ideal candidates for this project should have extensive experience with electrical CAD and can demonstrate a keen attention to detail. Please include examples of similar projects you have completed in your bid.
I'm in need of a logo for a company called “Pro Battery Depot”. The company sells solar batteries and renewable energy products. The logo is designed in a modern and clean style. It should primarily use a color palette of blue and grey, and incorporate abstract shapes/icons focused on batteries and energy storage. Ideal skills for this project include: - Graphic Design - Adobe Illustrator - Logo Design - Brand Identity - Creativity and Innovation Please provide a portfolio of similar work.
I'm looking for a flyer designed to boost sales of our residential solar and battery systems. The target audience for this flyer is homeowners, and the key message to convey is cost savings. Ideal Skills: - Graphic Design - Marketing - Copywriting - Understanding of Solar Energy Concepts Experience: - Prior experience designing sales flyers - Experience working in the renewable energy sector is a plus
I'm in need of a compact, double-layer PCB designed for a digital circuit. The project involves creating a Gerber file that is ready for printing, accommodating the given circuit diagram. The PCB should be small and compact, suitable for accommodating a digital circuit. The ESP32, SIM800L, and ADS1115 will be mounted on a 2.54 mm pin female single-row header strip. All connectors will use 5 mm PCB terminals with standard 0.1″ (2.54 mm) spacing through holes. 6 X 14 CM PCB Board - Power PCB 14 x 14 CM PCB Board ESP32 38Pin Development Board --> Hi Link HLK-PM01 5V/10W --> 2.54mm Pin Female Single Row Header Strip -->
Title: PCB Design with Gerber Files, Schematic, and BOM Description: I am looking for an experienced PCB designer to help me create a custom PCB design for my project. The design should include: Schematic Design: A clear and detailed schematic of the circuit. PCB Layout: Design the PCB layout based on the provided schematic. Gerber Files: Generation of Gerber files for manufacturing. BOM (Bill of Materials): Will be provided and open to any modifications for better performance,Provide a complete BOM with part numbers, specifications, and suppliers (e.g., Digikey, Mouser). Project Requirements: Board size: 70mmx70mm Layer count: 10 Layer Component preferences: Drill Hole Special requirements: TI Processors and components preferred Target application: Mu...
I need an experienced and fresher technician for on-site battery replacement in my Online UPS system. The service should be prompt, professional and ensure that the UPS is fully operational post-service. pune location
Project Description Hello! We are Revive Batteries, a company committed to sustainability through the recycling and reuse of lithium batteries. We are looking for an experienced freelancer to design and develop a professional website that reflects our mission and values. Main Objective: Create a visually appealing, functional, and optimized website that becomes a reference in our industry. Project Requirements: Site Structure: Home Page: Introduction to the company, mission, and vision. About Us: Our story, team, and core values. Services: Explanation of our recycling and reuse solutions. Sustainability: Highlighting environmental impact and the benefits of our processes. Blog/Insights: A space to share relevant articles and news. Contact Us: Contact form with Google Maps integ...
...Fast doorstep service. Real-time tracking of service providers. Flexible payment options. Diverse Offerings: Basic and complex vehicle services for bikes, cars, and autos. Petrol and diesel delivery. Battery replacement and vehicle scrapping services. Vehicle washes and cleaning. Routine maintenance such as oil changes, filter replacements, brake inspections, alignment, and suspension checks. Quality and Trust: Collaborations with OEMs, insurance companies, and warranty providers for seamless claims. Certified service providers and local mechanics. Regular customer reviews and feedback systems. Customer Rewards and Engagement: A reward system for customers, service providers, and the platform. Transparent pricing and customized solutions. Technological Int...
Similar to the EV chargers one and layout, but with these details, please.
I'm in need of an expert to design a circuit for an induction heater. This heater will be specifically used for heating non-ferrous metals like brass. Key Requirements: - The induction heater circuit should be designed to handle a power output of up to 1kW. - The design should be robust enough to endure the rigors of metal heating and forging. - Experience with induction heater designs and metal forging applications would be highly advantageous. Ideal Skills: - Circuit design - Knowledge of induction heating technology - Experience in metal heating and forging applications - Understanding of non-ferrous metal properties and heating requirements.
Hey everyone I’m a video and thumbnail editor looking to add to my portfolio which is why I’m charging little to no cost DM before the chance ends
...version for testing and validation, and subsequently designing a board-level version for a new product. The AC output of this power supply will be utilized to generate a plasma discharge in an aerated water mixture. Key tasks include: - Developing a usable laboratory version of the power supply - Designing a board-level version for product integration - Ensuring the AC output is suitable for plasma generation The initial laboratory version will need to meet the exact specifications of the LF-500. Safety features are crucial, with both overload and short-circuit protection required. Ideal candidates for this project should have: - Extensive experience in high voltage power supply design - Proficiency in creating laboratory-grade equipment -...
Below is a concise yet detailed specification covering membership levels, rate limiting, logging, error handling, two-factor authentication, out-of-region login verification, and automated prohibited words replacement. This document is intended for developers working with a Golang backend and a React frontend and should be adjusted per business and compliance requirements. GitHub Link: --- ## 1. Membership Level Mechanism ### 1.1 Model and Tier Definition - **Tiers (T1 to T5)**: - Define five tiers similar to OpenAI’s model. Higher tiers get higher API call frequencies, better quotas, and additional privileges. - **Recharge Thresholds**: - E.g., T1: 0–X, T2: X+1–Y, T3: Y+1–Z, T4: Z+1–W, T5: >W. - Thresholds should be dynamically confi...
I'm in need of an experienced electronics engineer with a strong background in circuit design. The primary goal of this project is to design a circuit for a piece of industrial equipment focused on automation control. Ideal Skills: - Circuit Design - Industrial Equipment Knowledge - Automation Control Expertise Please note, the main focus of this project is circuit design. Experience with prototype development would be beneficial, but it's not the primary focus.
I'm seeking an electrical engineer with expertise in load calculations. The project involves working with various system components, including generators, transformers, motors, and cables. Ideal skills and experience include: - Proficiency in load calculations - Experience with short circuit calculations - Knowledge of circuit design, power systems, and telecommunications - Familiarity with generators and other system components - Expertise in using relevant engineering software - Creating and approving plot plans - Possesses knowledge about solar systems, if applicable - Billingual (Spanish and English) , if applicable
Not a charger. Not a replacement battery. Not out of stock. The actual battery. See attachment. Snip the ad without contact information and I will pay you for the details. $20 for finding it.
...Raspberry and that can be controlled from the Internet. In my botched solution, i.e. the bad solution I'm using for every small car with Raspberry I have a web server on the Raspberry itself, an internet connection and a computer that acts as a VPN server. I use IPTABLES to remap data traffic between the real card and the virtual VPN card. The end result is that I can access my Raspberry through a friend's or my parent's internet connection, while the Raspberry stays next to me connected to my Wifi, but using someone else's internet through my own internet. This forces me to pay several Internet and to have a computer, (even if it is an Orange Pi Zero 3 that costs less than 30 euros) for each car. Being able to use Janus Gateway to manage all the vid...
...price will be removed and rated.********************* I am looking for a proficient developer and UI designer with over 5 years of experience and a proven track record. I need payment integration for a system that does not have an SDK, so you must have strong coding skills to implement it into my app with all the required details. ********************Over Budget & change price will be removed and rated.********************* Issues to be fixed include: The currency symbol/logo is not appearing correctly. The live tracking of the delivery boy stops when the phone is locked. This needs to be resolved so that the tracking continues even when the phone is locked, as keeping the phone screen on continuously drains the battery quickly. ********************Over Bu...
...developer to implement a feature in my Android app using the MPAndroidChart library. The task involves creating a line chart to display the battery level history over the past 24 hours. Implementation must be the same as Xiaomi have in their battery section. Key Requirements: - The graph should distinguish between different states with specific colors: - Charging state in green - High usage in red - Normal discharging in blue - The chart should have a highlight functionality akin to what Xiaomi uses in their settings Data Specifications: - The chart will be plotted using a custom dataset stored in a mutable list - The data intervals for the battery level history are every 1 minute Ideal Skills: - Proficient in Kotlin and Android development ...
I need an expert who can help me identify the connections on my printed circuit board (PCB) to various components. There are available pins on the board for bonding. After establishing the connections, I need operations performed to control a stepper motor which is connected to the board. All communication and connections to be performed through Bluetooth LE Key Tasks: - Identify connections on the PCB - Connect and bond to the board using Bluetooth - Control the stepper motor with Start/Stop and Direction control commands Ideal Skills: - PCB identification and connection expertise - Bluetooth connection experience - Stepper motor control knowledge Please note that I do not have any schematics or part numbers for the PCB. It is crucial that you have the necessary sk...
I'm looking for an expert in electronics who can design a RGB LED circuit board for a custom electronics project. Key Requirements: - The circuit board will control a 12x12 inch matrix of dot LEDs - The control will be via a microcontroller, specifically an Arduino or Raspberry Pi or Teensy 4.1 Ideal Skills: - Expertise in circuit design and microcontroller programming - Experience with RGB LED projects - Ability to create a 12x12 inch matrix of dot LEDs
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Collecting information about products or services <Overview> (1. background) This technology is related to the charging of electric vehicles. A new approach is needed to reduce the time spent waiting for others to charge their electric vehicles. Specifically, if a vehicle is fully charged but continues to be parked, the system sends a message to the user of that vehicle to move away from the charging space. (2. technology search) What I would like to find is the following technology. When an electric vehicle is fully charged, some kind of display device attached to the vehicle will show the owner of the vehicle the contact information where he or she can request the vehicle to be moved. Examples are shown below, but the survey should be conducted widely and not...
I'm seeking a professional with expertise in creating Single-Line Diagrams (SLD) for solar exemption purposes. I need a comprehensive SLD, a Zone Diagram, and details about connection point size and location. All documentation must adhere to the National Electrical Codes. Key Requirements: - Creation of a Single-Line Diagram (SLD) that includes circuit breakers, fuses, and power flow arrows. - Comprehensive understanding of the National Electrical Codes to ensure compliance. - Experience with solar exemption documentation is highly desirable. - Ability to create a Zone Diagram and identify connection point size and location. Please provide examples of similar projects you have completed in your bid.
1. General Features SaaS Structure: Multi-user support, customized control panel per user. Modern Interface: Clean, user-friendly and mobile-friendly interface. Per Message Charge: A system of charging per message sent. Users are charged according to the campaign type and sending volume. 2. WhatsApp Marketing Tools Bulk Message Sending: Sending messages to multiple people with a single click. Uploading Contacts: Uploading numbers in bulk via Excel/CSV file. Message Scheduling: Automatic sending of messages at a specific date and time. Multimedia Messages: Sending messages that support images, videos, documents and other media files. 3. Chatbot Features Auto Responder: Automatic sending of predefined responses to incoming messages. Smart Chatbot: Customizable message flows based on...
I'm looking for an experienced mobile app developer to create a user-friendly, visually appealing, cross-platform mobile application for monitoring water levels in storage tanks. This application will connect to a hardware device via Bluetooth Low Energy and or NB-IoT. It will need to retrieve real-time data on water levels and battery status, notify users about critical tank levels, and display historical water usage trends. Key Features: - Real-time water level monitoring - Battery status indication - Historical water usage trends - Alerts for various water levels set by user - Bluetooth and NB-IoT Connectivity Options Design Style: The preferred design style for the app is simple and minimalistic. The focus should be on usability while m...
The block diagram of TABLE 1 shows a 3-stage asynchronous counter that is used to count a series of randomly occurring input pulses. The Q outputs of the counter are used to drive a logic circuit that gives the output in TABLE 1. Design the logic circuit to realise the desired ABCD outputs. Simulate your circuit using the template provided, including an image of all waveforms for at least one full cycle Please provide an image of all waveforms for at least one full cycle. You will need to download the 'PROTEUS 8 DEMONSTRATION'
