Solar charger circuit for 12v 150ah battery jobs
Design and develop the hardware for a 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....
I'm looking to create an engaging and interactive desktop pet using a Radxa Zero 2 Pro. This isn't just a simple pet, but a companion that ca...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 someone who is pa...
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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.
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...
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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...
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
...Physics Foundational knowledge of physics is essential for most astronomy and astrophysics problems. • Mechanics • Classical mechanics (Newton’s laws of motion). • Circular and elliptical motion, orbital mechanics (Kepler’s laws). • Conservation of energy and angular momentum. • Electromagnetism • Light as electromagnetic waves. • Concepts of polarization, diffraction, and interference (important for telescopes and observations). • Thermodynamics and Statistical Mechanics • Blackbody radiation (Planck’s Law, Stefan-Boltzmann Law, Wien’s Displacement Law). • Energy distribution and star properties. 2. Mathematics Astronomy and astrophysics problems rely heavily on mathematical skills. &b...
...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 ...
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 ...
I'm in need...a 3D design of a greenhouse for me. This design will be sent to various companies for quotes. Key Requirements: -This is going to be a passive solar greenhouse North, East, and west Walls will be Buried in the ground These walls will be built out of structural Insulated Panels Roof and south wall will be glass size is 30X100 The drawing needs to be straightforward, indicating the locations of doors and glass panes. - I will provide the exact dimensions of the greenhouse, so attention to detail is crucial. - The drawing should highlight glass panes specifically, as this is the material I plan to use. Ideal Skills: - Proficiency in 3D modelling software. - Experience in architectural or greenhouse design. - Able to create clear, simple designs s...
...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 launching a new residential and commercial solar energy company and I need a freelancer to design and build a unique, modern and sleek website from scratch. The primary goal of this website is to generate leads. The main action I want my visitors to take is to request a quote. Key Requirements: - Full website design and build from scratch - Lead generation optimization - Quote request facilitation - Modern and sleek design implementation Competitor websites will be provided as inspiration, but the final product must be unique. I will work with you to provide content and design. Ideal skills for this job include web design, SEO, lead generation strategy, and user interface design. Experience in the renewable energy sector would be a plus.
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 ...
...Physics Foundational knowledge of physics is essential for most astronomy and astrophysics problems. • Mechanics • Classical mechanics (Newton’s laws of motion). • Circular and elliptical motion, orbital mechanics (Kepler’s laws). • Conservation of energy and angular momentum. • Electromagnetism • Light as electromagnetic waves. • Concepts of polarization, diffraction, and interference (important for telescopes and observations). • Thermodynamics and Statistical Mechanics • Blackbody radiation (Planck’s Law, Stefan-Boltzmann Law, Wien’s Displacement Law). • Energy distribution and star properties. 2. Mathematics Astronomy and astrophysics problems rely heavily on mathematical skills. &b...
...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 need a 10 slide, professionally crafted, diagram-centric presentation based on my notes covering a range of astrophysical concepts. The presentation should adopt a dark background with light text and utilize computer-generated graphics to illustrate the following topics: 1. Formation of a star/Sun 2. Origin of the solar system 3. Elliptical orbits 4. Life cycle of a star 5. The future of the Sun and black holes 6. The Doppler effect 7. The expansion of the universe 8. The age of the universe The tone of the presentation should be informative and professional. A freelancer with experience in astrophysics and graphic design will be preferred to ensure accurate and visually appealing illustrations.
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 need a minimalist, modern logo for 'Solarforce Canada'. It should be striking yet simple enough for embroidery. Key Requirements: - Use 'Solarforce Canada' in the logo with 'Solarforce/Solarforce' above 'CANADA/Canada'. - Incorporate a color scheme of Red and Black. - Keep the design uncomplicated and clean, avoiding complicated icons. - Utilize round fonts with a perfectly round 'O'. - Integrate simple elements like circles or the sun in a subtle way. The logo needs to resonate with our eco-conscious audience, so it should embody a professional, green ethos without being too overt. Ideal candidates will have strong graphic design skills, a portfolio demonstrating experience with minimalist designs, and an understanding o...
Goal: We need a sleek, modern, and minimalist logo for our solar business. The design should be simple, professional, and eye-catching. Key Requirements: "SOLARFORCE/Solarforce" above "CANADA/Canada." but they don't have to be centered (see attachment just for example) Choose two colors: Red and Black Simple design—embroidery-friendly, no complicated icons. Use round fonts with a perfectly round "O" (see attachment just for example).
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
Project Overview: We are seeking an architect to design a six-unit multifamily home for our affordable housing subdivision. Each building will feature a central boiler (for in-floor heating) and HVAC system, and will be slab-on-grade, townhouse-style structures. Our primary goal is affordability. What We Need: - Design of functional and energy-efficient six-unit buildings - Options for both 2-bedroom and 3-bedroom units, potentially mixed within each six-unit building - Integration of net-zero housing features (e.g., solar panels) - Collaboration with the civil engineer for overall layout - Detailed architectural plans for construction - Innovative ideas to enhance the project - Design that supports mass production and quick turnaround tim...
Project Overview: We're developing a subdivision for affordable housing in Ontario, Canada, and need a civil engineer to design the infrastructure. The project includes multiple six-unit multi-family townhouse-style buildings, parks, trails, and other essential community features. Our goal is net-zero housing, using solar panels and other sustainable technologies. We also plan to have an on-site sanitary plant. What We Need: - Layout and infrastructure design for the subdivision - Integration of parks, trails, and community features - Design of an on-site sanitary plant - Coordination with architects and other stakeholders - Compliance with local building codes and regulations - Preparation of detailed engineering drawings and specifications Requirements: - E...
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 -->
I am in need of a logo created for my roofing company "Texas Virtue". The color scheme needs to be the same as our current electrical contracting (solar maintenance) company "PV National". Our colors are Black/White, and Gold. The "T" (for Texas) needs to be placed above the "V" (for Virtue). and we would like for the "T/V" symbol to be placed in a (black/white/gold) Texas flag. We are open to some creative variations of this as well. I am uploading 2 files: 1.) Our current company's logo (PV National) for reference of style and scheme 2.) A rough drawing of the concept we would like for the new roofing company. We would like 5-7 different variations/color schemes to choose from. A...
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.
We are looking for an experienced game developer to develop a digital interactive/game in Unity on the theme of solar panels. For young audiences, this fun, touch screen exhibit features "whack-a-mole" style game play, where players hit targets with a soft mallet. Please review the attached brief for further details.
As a Chinese Solar Energy products manufacturer, we are currently working on an exciting project in Abu Dhabi. We need a professional photographer and videographer who can capture high-quality video and drone aerial photos of the project, focusing on the finished product views. Key Responsibilities: - Taking video footage and drone aerial photos of our project - Highlighting the finished product views in the footage - Editing and color correcting the footage for post-production We also request that you share some of your previous photography and videography work with us. Your portfolio will help us understand your style and whether it aligns with our project needs. Ideally, we are looking for someone with extensive experience in project showcase photography and vide...
...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 -...
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 cable...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...
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.
...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 - Exper...