Lithium ion battery charger circuit jobs
...universal digital display remote, including: Microcontroller selection and integration (e.g., ESP32, STM32, or similar). Circuit design for Bluetooth, Wi-Fi, IR, RF communication modules, and laser activation. Power management to ensure optimal battery life and low power consumption. PCB layout and prototyping to create working hardware components. Integration of sensors for device detection and communication switching. Work closely with the firmware development team to ensure compatibility between hardware and software systems. Test and validate hardware designs, troubleshoot issues, and iterate on improvements. Provide detailed documentation for the hardware design, circuit schematics, and PCB layouts. Support the team in creating a reliable, robust hardware solut...
...desktop pet using a Radxa Zero 2 Pro. This isn't just a simple pet, but a companion that can respond to voice commands, touch interactions and movement responses. Your role will include: - Connecting the Radxa Zero 2 Pro to various components including a 3W speaker, a Radxa camera, a 2.1 inch display, a 6 mic array housed within a 2 inch circle, a 360 degree stepper motor, and a wireless charger. A 2000mAh battery will be used for power. - Programming the pet to communicate via visual displays and sounds. Ideal skills for this project include: - Experience with Radxa hardware - Proficiency in programming interactive systems - Knowledge of audio-visual communication systems - Skills in working with small scale, intricate projects This project is perfect for someon...
Project Details 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 2 ESP32, SIM800L, MAX 485 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. Components Ref: ESP32 38Pin Development Board: Hi Link HLK-PM01 5V/10W: 2.54mm Pin Female Single Row Header Strip:
I am looking to create a digital airsoft target see attached documents. I will need all files and BOM in order to have whatever PCB we create manufactured and assembled.
...consists of 50mm flatsteel (or aluminum) with 4mm thickness. The rail has not been constructed yet but is thought to be flat steel or aluminium. The rail goes in a loop and is rising and falling throughout the space it is installed (indoors). Ideally it should be able to run for up to 8 hours continuously before charging. When power button is activated it will run laps on the track until battery runs out. The vehicle itself should be 3D printable, so that design can be done remotely and printing and assembly locally. One requirement would then be that you have access to a 3D-printer so that you could do functional tests of the design. I have made some functioning prototypes with N20 motors (around 100-200 rpm). These motors and design were too noisy, so design and compone...
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 engaging, interactive game-based interfac...
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I need a 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 pl...
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
...skilled engineer to design and develop a 30 KW DC fast charger based on the Infineon /OnSemi/ Microchip SiC module reference design.. The 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 perform...
I...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 - Ability to Create Modern, Minimalistic Designs YOU MAY CHOOSE TO INCLUDE A FADED BACKGROUND FEATURING THE MOZZIE MAN (attached ) YOU MAY CHOOSE TO USE SOME CARTOON MOSQUITOES IN THE FLYER AND I HAVE ATTACHED SOME REALLY GOOD MOSQUITOES I OWN
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.
I am looking for an animated company logo. In Jan 2021 you did my Impulse Lithium Logo which was awesome
...an engaging and interactive 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 user co...
...an engaging and interactive 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 user co...
...an engaging and interactive 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 user co...
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
... 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 format for reference. Ideal Skills: - Proficiency in graphic design software, preferably Photoshop or equivalent...
We are seeking a skilled native Apple (Swift) 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...Design algorithms to detect anomalies in heart rate readings. Integrate emergency SOS functionality into the wearable applications. - Collaborate closely with the existing mobile app development team to ensure seamless integration with the main application. - Conduct thorough testing and debugging to ensure the reliability and performance of the wearable applications. - Optimize applications for battery efficiency and performance on wearable devices. - Stay updated with the latest trends and advancements in wearable technology and health m...
I'm seeking a skilled engi...safety within harsh furnace environments. The rover will perform inspections, monitor conditions, and capture critical data to 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 solution to life. Place a bid star...
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: Multi Protocol IoT gateway Com...
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...
...by vehicle owners, offering convenience, transparency, and quality. Key Features: Comprehensive Services: 24/7 roadside assistance. Customized vehicle health reports. Timely service reminders. 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 ...
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.
...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 - Capability to design board-level versions for mass production - Strong understanding of safety features in high voltage equipment - Familiarity with plasma generation equipment Please note, the frequen...
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.
...updating the UI, the modified project should first be deployed on the developer’s own test server for evaluation. Once everything is confirmed to be functioning correctly, it will then be deployed to our server. Please ensure that the front-end and logo remain consistent, with no appearances of the old logo or name upon refresh. The GitHub repository can be found here: Overall Development Requirements: - Front-End to Back-End Integration: All front-end features must have corresponding back-end operation buttons or management areas, ensuring seamless integration and easy management. - Feature Duplication Quality: All duplicated features have a clear logic. Ensure all features are 100% functional and smooth without any bugs or delays. - Feedback and Modification:
********************Over Budget & change 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 SD...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 Budget & change price will be removed and rated.**********...
...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 - Experience w...
...10-12 page report based on the already prepared and attached below presentation, references, and a provided sample report as a reference (report's graphics not required for current project. They are optimal). List of Topics for the Report: 1. Executive summary. 2. Critical Raw Materials Overview 3. Outlook Per Critical Material Raw (Material-specific trends, challenges, and advancements: copper, lithium, nickel, cobalt, graphite, rare earth elements). 4. CRM Solutions Framework (innovations in urban mining, biomining, advanced recycling technologies, and precision mining techniques. Emerging technologies for improving CRM recovery and sustainability). 5. Substitute materials for critical raw materials. 6. Legislation Landscape and Government Support. 7. Mining Industry Ove...
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 skills and exper...
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
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.
...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 maintaining a clean and uncluttered...
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'
I need a thorough inspection of my home's electrical systems to ensure they meet code compliance standards before I can get the meter back for renovation. Key Requirements: - Inspection of all electrical systems in the home - Assessment of wiring, outlets, circuit breakers, panels and lighting fixtures - Identification of any potential code compliance issues Ideal Skills: - Licensed electrician with extensive inspection experience - Knowledge of local and national electrical codes - Excellent attention to detail - Strong problem-solving skills Please reach out if you have the necessary qualifications. If no answer please leave a message and ill return your call.
...updating the UI, the modified project should first be deployed on the developer’s own test server for evaluation. Once everything is confirmed to be functioning correctly, it will then be deployed to our server. Please ensure that the front-end and logo remain consistent, with no appearances of the old logo or name upon refresh. The GitHub repository can be found here: Overall Development Requirements: - Front-End to Back-End Integration: All front-end features must have corresponding back-end operation buttons or management areas, ensuring seamless integration and easy management. - Feature Duplication Quality: All duplicated features have a clear logic. Ensure all features are 100% functional and smooth without any bugs or delays. - Feedback and Modification:
...innovative Battery Management System (BMS) for Lithium-ion batteries. The hardware will be provided by me, and the mobile app development is taken care of by my team. Your key responsibilities will include: - Embedded programming for the BMS system - Creating an API for the BMS system The BMS should be able to: - Display all battery cells on the mobile app. - Identify and highlight damaged cells in real-time. - Monitor and display the battery output performance. - Track and alert for overcharging or undercharging events. - Include standard features typically available in advanced BMS solutions. Communication Protocol: The BMS will use Bluetooth for communication. Real-time Data Metrics: The system needs to monitor and display all critical metrics, ...
We are looking for an experienced industrial designer or graphic designer to create the design for an AC charger for electric vehicles. The ideal candidate should be able to develop both technical drawings and an external design concept. Job Description: Develop the industrial design for an electric vehicle AC charger Create detailed technical drawings and dimensions Design a product that is ready for manufacturing Develop a user-friendly, aesthetic, and modern external design Requirements: Experience in industrial design or graphic design Expertise in 3D modeling and technical drawing (SolidWorks, AutoCAD, Fusion 360, etc.) Ability to create renders and concept designs (KeyShot, Blender, etc.) Knowledge of manufacturing processes is a plus Ability to provide a portfolio ...
