12v battery charging circuit jobs
...professional to analyse my PCB design for power efficiency, optimization and EMC improvements. The design features a Microcontroller ESP32-S3, a Camera Module OV2640, and is powered by a 3.7V Lithium-Ion Battery. Objectives of the analysis include: 1. Identifying potential power issues 2. Providing specific recommendations for power optimization 3. Suggesting EMC and RF improvements to ensure compliance with EU legal obligations Key areas to focus on are: - Current issues with the PCB - Strategies for optimizing battery life In terms of power optimization, the primary focus should be on improving battery efficiency. The device will be used in both standby mode and continuous operation, so these scenarios need to be prioritized. Furthermore, the most critical co...
I'll show the custom text on oled with raspberry pi 5 using Python.
I'm looking for a small, handheld magnetic coil or circuitry that can repel lightweight metals...magnetism can make an object float. Key Requirements: - The device needs to be compact and portable, suitable for being handheld. - It should be battery-powered for convenience and to eliminate the need for a wall outlet during demonstrations. - Ideally, it should be able to repel a needle or similar lightweight metal object. Skills and Experience: - Proficiency in electromagnetics and circuitry design - Experience with creating educational tools or demonstrations - Ability to design compact and battery-powered devices - Understanding of safety requirements for educational demonstrations The device should have a runtime of 1-2 hours on battery power. The budget fo...
I'm looking for an innovative rover design ...Interface: The rover must be fitted with a touch display for easy interaction. - Sample Collection: An actuator is required to collect soil samples when necessary. Power and Performance: - The rover should be battery powered, ensuring sufficient power for outdoor exploration and soil testing. Ideal Skills and Experience: - Proficiency in designing outdoor robotic systems. - Experience with integrating multiple sensors in a single system. - Knowledge of wireless communication systems and microcontrollers. - Familiarity with touch display interfaces and actuator systems. - Understanding of battery power systems for outdoor use. This is an exciting project for someone with expertise in robotics and sensor technology. Looking...
...Ideal Skills and Experience: - In-depth knowledge of Fagor servo drives - Experience in troubleshooting servo drive issues - Ability to diagnose and repair 'Over Current' errors - Relevant certifications in electronics or electrical engineering - Good communication skills to explain the problem and solution - Experience with updating Fagor servo drive firmware - Hands-on experience with Printed Circuit Boards (PCBs) The troubleshooting can be conducted remotely via video call or remote desktop access. The troubleshooting needs to begin immediately. The servo drive model is Fagor SCD 1.25-A1-0-B. Please conduct live troubleshooting for real-time resolution. Post-troubleshooting, I'm expecting a full resolution of the 'Over Current' error. Parts replacemen...
I'm looking for an expert who can create a simulation circuit schematic of a power controller in Proteus for me. The main requirements for the project are: - The circuit must operate according to specific rules related to operational efficiency. - It must adhere to energy efficiency standards. Ideal skills for this job include: - Proficiency in Proteus software. - Experience in designing power controller circuit schematics. - Strong understanding of operational efficiency guidelines and energy efficiency standards. - Strong knowledge on Arduino implementation and coding
...embedded systems. - Communication Protocols: Mastering SPI, I2C, UART, and other communication methods. - Debugging Techniques: Strategies and tools for debugging embedded systems. - Power Management: Techniques for optimizing power consumption in embedded devices. - Wireless Communication: Implementing wireless technologies like Bluetooth and WiFi. - PCB Design: Fundamentals of designing printed circuit boards for embedded systems. - Embedded Security: Best practices for securing embedded systems. - Bootloaders: Writing and understanding bootloaders for embedded systems. - FPGA Basics: Introduction to FPGA programming and usage in embedded systems. Ideal skills for the job include: - Extensive knowledge in embedded systems - Experience in teaching complex topics to beginners - ...
I'm in need of an expert electrical engineer with a focus on circuit design. more details will be shared via chat with potential freelancer
I'm in need of an expert electrical engineer with a focus on circuit design. more details will be shared via chat with potential freelancer
I'm seeking an engineer or a technician with experience in RF technology and outdoor equipment. The project involves designing a transmitter and receiver system that can transmit an analog signal of 0-12v from a potentiometer over a minimum distance of 600ft. Key Requirements: - Use of RF (Radio Frequency) technology for the transmitter and receiver - System designed for outdoor use - Optional: weatherproofing for the transmitter and receiver - Initial testing to confirm reliable operation at 600ft Ideal Skills: - Proficiency in RF technology - Experience with outdoor equipment - Ability to design optional weatherproof systems The ultimate goal of this project is to create a wireless remote for welding which can be controlled via a potentiometer. Please provide details of y...
...JHD162 or similar display for system feedback. D) Display for showing successful registetration and attendence marked Features: A)Ability to store fingerprint data for 200 students. B)Support for up to 20 subject codes. C)Take attendance for a specific subject by inputting its code. D)Match fingerprints to registered data and mark attendance automatically. C) It can be powered by both type either battery or plug. Select more reliable option. Data Management: Export attendance data in Excel format or send directly to a central server (via Wi-Fi or USB). Subject-wise attendance record-keeping. Secure storage of fingerprint and attendance data. User Interface: Intuitive interface to input subject codes and display confirmation (e.g., "Attendance Marked for Subject X")...
...be fully functional with 5G support and all essential features like Wi-Fi, Bluetooth, and other connectivity options. The ROM should also include all the latest updates and optimizations for a smooth user experience. Requirements: Device: Realme X7 5G[RMX3092] Base ROM: One UI 7 Features: Full 5G support based on india Wi-Fi, Bluetooth, and other connectivity options Performance enhancements, battery optimization, and bug fixes Ability to customize UI elements, themes, and settings Specific Customization Options: Advanced UI themes Advanced gesture controls Custom icons for apps and settings Gaming performance boost feature Dedicated GPU overclock feature for maximum gaming performance Root access and bootloader unlocking support Pre-installed utility apps in the custom ROM Re...
I'm seeking an IoT and circuit design expert to help me develop a small (credit card size) IoT device based on ESP8266/ESP32. This device should control 4 lights and 1 fan with a regulator(off, on, 1speed 2speed), all of which can also be controlled by a manual switch or IR remote (optional). Key Features: - The device needs to be integrated with the power unit - It should have a reset function triggered by switching the power on and off 5-7 times. - Led indicator for power and configuration mode. - product directly connected to 220v AC supply. - Triac Ideal Skills: - Expertise in IoT and circuit design - Proficiency in using ESP8266/ESP32 - Experience with power electronic Need to deliver: - Gerber file - Schematic - Components list Please note, that the devi...
...involves designing and simulating a power supply system for a 50 kW Electric Vehicle (EV) Fast Charging System. Due to my full-time job, I don’t have enough time to complete this on my own. The project includes the following tasks: AC-DC Conversion System Design: Design and simulate a full-wave rectifier with filtering. DC-DC Converter 1 Design: Provide a stable 30V output with minimal voltage ripple. DC-DC Converter 2 Design: Provide a stable 500V output for EV battery charging. System Simulation: Simulate the entire system, analyze efficiency, harmonics, and power factor. Embedded Systems Application: Explain how embedded systems support the control unit. Requirements: MATLAB/Simulink expertise for circuit design and simulation. Detailed calculation...
...single-phase AC supply. Include a filter design to smooth the rectified output. Deliverables: Diode specifications and key parameter calculations. Simulations with graphs showing circuit performance. Efficiency and form factor analysis. 2. DC-DC Converter 1 Design (25%) Design a DC-DC converter with a 30V stable output to power a control system. Ensure voltage ripple does not exceed 5%. Deliverables: Component calculations (inductor, capacitor, switching frequency). MATLAB simulations demonstrating performance. 3. DC-DC Converter 2 Design (25%) Design a DC-DC converter with a 500V stable output for EV battery charging. Ensure voltage ripple does not exceed 10%. Deliverables: Selection of converter type and component design. MATLAB simulations with performance result...
I'm in need of an embedded system tailored for Toyota Material Handling Equipment (MHEs). This system should encompass: - Control and automation - Monitoring and diagnostics - Communication with other systems The embedded system should monitor and diagnose various aspects of the MHEs, specifically: - Engine performance - Battery health - Safety systems The system must support the CAN bus communication protocol. Ideal candidates for this project should have: - Proven experience in embedded systems development, specifically for industrial machinery - Proficiency in CAN bus protocol - Strong background in automation and diagnostics systems Please, only apply if you meet these requirements and have relevant experience.
I'm seeking an experienced Eplan professional to develop detailed electrical design schematics for my project. The designs should encompass various essential components, specifically relays and contactors, circuit breakers and fuses, as well as sensors and actuators. Ideal Skills and Experience: - Proficient in Eplan software - Extensive experience in electrical design - Ability to create detailed schematics - Familiarity with the specified components - Attention to detail and quality The project should be completed within 1 week. Please provide the final deliverables in EPLAN format.
...systems - Power distribution - Fire alarm systems - Air conditioning - CCTV - TV - Design and integration of backup power systems, including generators and UPS. - Implementation of smart home technologies such as automated lighting and climate control. - Design and installation of intercom systems for enhanced communication within the building. - Provision and infrastructure for electric vehicle charging stations. - Incorporation of energy monitoring and management systems to optimize energy usage. - Design and installation planning for solar panel systems and related inverters. - Installation of emergency lighting and signage for safety during power outages. - Design and setup of network cabling infrastructure for internet and communication services. - Implementation of access c...
1. Managing cloudflare, customer problems and settings. DDOS protection on demand, hourly or agreed sum. 2. Managing servers (security, os updates, logs, backups, solving issues) 3. managing mysql cluster (keeping eye on performance, solving issues) + bonuses (hourly fee on bonuses might apply. will be discussed before charging
...9-10 inch screen size, a built-in thermal printer, and the capability to use any paper rolls. The tablet should also be able to connect to Wi-Fi and support a SIM card for the Australian mobile network. Key Requirements: - Android operating system - 9-10 inch screen size - Built-in thermal printer - Compatible with any paper rolls - Wi-Fi connectivity - SIM card slot for Australian network - Battery life of at least 8 hours. - Durable construction to withstand frequent handling. - Regular Android operating system updates support. - Availability of USB and HDMI ports. - Easily available replacement parts. - Minimum 1-year manufacturer's warranty. - High-resolution screen for clear display. - 24/7 customer support for technical issues. Ideal Skills and Experience: - Underst...
...order processing. - The built-in printer must be capable of using any thermal paper rolls. - Connectivity is crucial. The printer should be able to connect via WiFi, and also be able to use a SIM card for the Australian mobile network. USB connectivity is also required. - Ideally, the table should be sturdy, restaurant-grade and able to withstand daily use. - The table should include a reliable battery backup to ensure continuous operation during power outages. - The table surface should be designed to minimize liquid spills affecting the built-in electronics. - The table should be made from waterproof materials to protect the internal components from accidental spills. - A user-friendly interface should be included to allow staff to manage and troubleshoot the printer easily. - ...
Use the below links to find the latest model in each group to use in the template you created. For example, Goup 5 battery replacements, you would use an iPhone 12 Pro Max battery. Links: - All Groups - All Groups - All Groups - All Groups - All Groups - All Groups - All Groups
I need Expert that is highly qualified in DLD and counters I need circuit to be done in 2 to 3 hours to please bid if you mange time Thanks
The objective of this project is to design a double-sided printed circuit board (PCB) that provides an efficient and reliable solution for complex electronic systems requiring higher component density and reduced board size. This project involves creating a comprehensive PCB layout with components placed on both the top and bottom layers, ensuring optimal routing and electrical performance. Key features of the project include: Component Placement: Efficient placement of components on both sides of the PCB to optimize space and minimize the board's footprint, while considering factors like heat dissipation, signal integrity, and ease of manufacturing. Signal Routing: Careful routing of electrical connections between components across both sides of the board, using vias to int...
I n...and experienced electronics engineer to create a custom circuit board with a specific focus on power management. This board will be used for personal use and would manage battery power. Key responsibilities and qualifications include: - Design and develop a circuit board with a focus on power management - The board should effectively manage battery power - Extensive experience in electronic circuit design - Proficiency in software for circuit design such as OrCAD or equally competent software - The ability to troubleshoot and test to ensure optimal functionality - Deep understanding of power supply management, especially for battery power sources. This project requires an expert who can design, innovate and implement complex cir...
Can you complete this project for me, I need 3 Additional CanLiFe Battery Labels designed, a redesign of our Tourque Starter & SunSaver Battery Labels (Will Send the current ones - There are 10 ) And Several New Brand Labels Similar To The CanLiFe Golf Cart Ones
I'm in need of a clock that levitates using magnetic levitation. It should be an exquisite piece that employs electromagnets and sensors to allow it to float above a base, creating a captivating visual effect. Key Responsibilities: - Design a lightweight yet ...will ensure both functionality and durability. Ideal Skills and Experience: - Proficient in precision engineering and design. - Experience with creating electronic devices. - Familiarity with programming control circuitry. - Knowledgeable in using and integrating electromagnets and sensors. - Skills in designing for aesthetic appeal while ensuring stability and precision. The clock should be battery-powered for ease of placement and use. The clock should measure approximately 6x6 inches to maintain a compact yet fun...
I'm looking ...on: - Creating firmware for an STM32 microcontroller. - Implementing NFC application functionalities, specifically for data exchange and communication. The ideal candidate should have: - Proven experience in STM32 firmware development. - Proficiency in creating NFC applications. - Ability to adhere to specified project requirements and standards. - Knowledge of low-power design techniques for battery-operated systems. Please note, an NDA will need to be signed before the project starts. A brief interview will be conducted, along with a demonstration of your previous work. The project deadline is 2 months from the start date. Basic documentation describing the key functionalities and usage will be required. The documentation should cover key functionalities a...
...keeping the text legible. Negative Space: Utilize the split 'V' to incorporate negative space, potentially forming a cube, gear, or an abstract 3D shape. Keep the effect subtle and aligned with the text. Modular Design: Consider breaking parts of the text into modular blocks or segments, giving the impression of construction and assembly. Technology-Inspired Details: Add subtle patterns, such as circuit lines or 3D printing textures (e.g., filament or resin layers), to emphasize innovation. Monochrome with Focus: Stick to a black-and-white palette, but highlight a specific area (like the 'V' or '3D') with a hint of depth, gradient, or a slight glossy effect to create focus. Cube Motif: Optionally integrate a small 3D cube shape into the split &#...
Update Simulink code to output 50 to 60hz on my inverter circuit
I'm developing a roadside support motor vehicle classifieds web app on and need assistance in completing it. The key areas where help is required include: - Vehicle Listings: Assist...on and need assistance in completing it. The key areas where help is required include: - Vehicle Listings: Assistance in finalizing the vehicle listing feature is needed. This includes setting up search filters, and ensuring the feature can accommodate photos and videos of the vehicles. - Support Requests: This web app will cater to various support requests including towing services, battery jump-starts, and flat tire repairs. Help is needed in implementing and refining this feature. Your expertise in and web app development will be invaluable in helping me complete this project.
...thermostats, etc.) via Home Assistant. Display a 3D interactive house map showing real-time device statuses (lights on/off, thermostat settings, door locks). Notifications and Alerts: Real-time pop-ups for calendar events, smart device statuses, and security updates. Data Visualization: Weather updates (weekly forecast). Energy consumption tracking. Device health monitoring (offline devices, low battery warnings). Security Integration: Display live feeds or snapshots from smart cameras or doorbells with tap-to-respond or unlock functionality. Technical Requirements: Backend: Python (Flask/Django) for API integration and data handling. Frontend: ReactJS, VueJS, or a similar framework for an interactive and intuitive touch-based UI. Smart Home Integration: Proficiency with Home...
I need an app to manage charging stations with a rate and that shows the kilowatts per hour and can be paid with a bar code or QR code and that the payment is made in the app. I need someone who has already done this type of work with charging stations. -- Necesito una app para administrar puestos de cargas con una tarifa y que te marque los kilowatt por hora y se puedapagar con un codigo de barra o qr y que en la app se pague. Necesito alguien que ya ha echo este tipo de trabajos con estaciones de carga.
...the tetrahedron shape’s stability and symmetry. Company work field: 1. International Trade and Agricultural Exports: • Exporting agricultural products such as sesame, gum arabic, hibiscus, and cowpeas, among others, to global markets. • Focusing on quality assurance and global export standards to support long-term partnerships. 2. Renewable Energy Projects: • Investing in electric vehicle charging stations and environmentally friendly technologies. • Developing sustainable energy solutions to foster innovation and support the green economy. 3. Importing Motorcycles and Three-Wheeled Transport Vehicles: • Providing a wide range of motorcycles designed for various uses, including personal and commercial transportation. • Emphasizing elect...
I'm developing a prototype hanging scales and need a PCB designed for an ESP32-S3. The board needs to accommodate sensors and power management components, as well as being able to connect to various power sources and handle power distribution throughout the board. Key requirements: - PCB design for ESP32-S3 - Inclusion of a loadcell, NFC/RFID reader and power management components plus LCD sc...NFC/RFID reader and power management components plus LCD screen - Dimensions: 130.3 x 86.9 mm The ideal candidate will have extensive experience in PCB design and a strong understanding of power management and sensor integration. Experience with designing PCBs for prototypes is crucial, as is the ability to work within the specified dimensions. The system ideally would run from 3.7v lithium...
...systems. - Background in electrical engineering, particularly in designing and troubleshooting industrial circuits. - Proficiency in developing real-time systems for automated machinery. - Experience with integrating IoT systems with cloud platforms for data analytics and monitoring. - Skills in integrating various sensors with ESP32 for monitoring conveyor operations. - Ability to design printed circuit boards (PCBs) for custom IoT hardware. - Proficiency in Python for developing control scripts and automation processes. Please only apply if you have relevant experience and can demonstrate previous successful projects in this area. Thank you. The system should allow for precise speed control of the conveyors. The system should include a mobile app for controlling the conveyor ...
I'm in need of an expert in circuit design specifically tailored for consumer electronics. The circuit will primarily focus on power management. Ideal Skills and Experience: - Proficient in designing analog, digital, or mixed-signal circuits. - Extensive knowledge in power management circuits. - Experience in designing circuits for consumer electronics.
...safe flights. - Needs to have a gas motor - Battery backup system to extend flight duration and ensure safety in case of motor failure. - Weather-resistant construction to allow operations in various weather conditions. - Noise reduction technology to minimize sound and ensure compliance with local noise regulations. - Folding wings - Easy to produce by hand Ideal candidates for this project should have extensive experience in drone technology and design, flight systems, and interface development. Prior work in creating drones for advertising is a plus. Please provide examples of relevant past projects in your proposal. The desktop software interface should be Windows-based. Provide an onboard status dashboard showcasing essential metrics like battery life, altitude, and...
...devices. Familiarity with tape measure technology and its integration in machinery is a plus. The machine should provide high precision body measurements. The machine will be used for precise measurements in retail clothing stores. The machine will be designed for in-store usage in a retail clothing environment. The machine should have a user-friendly touchscreen interface. The machine should be battery-powered. The touchscreen interface should have a user-friendly UI. The machine should be constructed primarily from plastic for lightweight and cost-effectiveness. The touchscreen interface should have advanced functionalities, including data storage and retrieval, for enhanced user experience in retail clothing stores. The project budget is under $10,000. Hardware Engineer Sof...
...engineer with extensive experience in Computational Fluid Dynamics (CFD) analysis, specifically for a Lithium-ion battery thermal management system. The primary goal of this project is to optimize the cooling efficiency of the system. Key Responsibilities: - Conduct detailed CFD analysis to identify cooling hotspots and inefficiencies - Propose modifications to the current design to improve cooling efficiency - Assess the effectiveness of the proposed changes through further CFD analysis - Deliver clear, comprehensive reports on findings and recommendations Ideal Skills & Experience: - Proficiency in using CFD software (e.g., ANSYS Fluent, SolidWorks, COMSOL) - Prior experience with battery thermal management systems, particularly Lithium-ion batteries - Strong unde...
...in various settings • Battery and Power: • Rechargeable or long-lasting replaceable battery (e.g., CR2032 coin cell battery) • Bluetooth Pairing: • Simple and automatic pairing with the glasses for consistent connectivity 3. Design Specifications for Glasses: • Minimalist, Sunglasses-Inspired Design: • Resemble classic Wayfarer sunglasses style with no visible electronics • Ergonomic Fit and Comfort: • Lightweight frame for comfort over extended wear • Button and Sensor Placement: • Tactile button(s) for Bluetooth pairing and manual image capture if needed • Proximity or touch sensors for hands-free operation, if feasible 4. Technical Requirements: • Battery and Power: • Batter...
Seeking an expert in VASP and DFT calculations for analyzing an electrocatalyst's properties for batteries. The task involves replicating and extending the work described in this paper (). Instead of the alkaline conditions studied in the paper, I need the calculations adapted for an acidic pH (1.0). Ideal Candidate: - Proficient in VASP and DFT calculations. - Experience in electrocatalyst analysis. - Ability to create and interpret Volcano Plots. No immediate deadline, but quality work is essential.
I'm in need of a skilled designer who can create a comprehensive 3D print file for a unique RC UAV plane. The design should be suitable for general use, including recreational flying. Key Requirements: - Expertise in designing for 3D printing - Experience with RC plane design...materials for 3D printing. Please include examples of your previous work in your bid. I look forward to your proposals. The design should include an RC Plane. The UAV design should have a wingspan under 1 meter. Please incorporate specific aesthetic design preferences. The UAV should have an aerodynamic and sleek design. The internal components should include basic placeholders for the motor, battery, and electronics, without intricate detailing. I have a conceptual design with me and the images are ...
Full video promotional and motivational created with IA like this i will need only video and music for a girl passing phisics exam Scene 1: The Challenge Begins A rainy day. The sound of water hitting the ground sets the mood. A young aspiring officer stands at the start of a physical training circuit, facing a soaked rope and a high wall. Her face shows both determination and doubt. Instructor (serious, challenging): "Are you ready to start... or do you need help?" She looks at him, silently resolving her doubts, and gets into position, ready to face the challenge. Scene 2: A Life-Changing Memory The year on the screen rewinds. The raindrops morph into the bright sun of a park. An 8-year-old girl watches in awe as an elite team from the Guardia Civil intervenes to sa...
...site's policies. Available Paid Services Advertise Boost: A paid option that helps increase the ad's visibility by placing it in a higher order or displaying it at the beginning of the list for a certain period. Purchase Additional Posting Opportunities: When the number of free ads is exhausted, users can purchase additional opportunities to publish new ads. Payment Methods Payments are made by charging the user's wallet with a bank card or by contacting the management. Available operations include purchasing ads and paying monthly or annual subscriptions. Site Management The site's management is divided into three main sections: Admin Section: Has comprehensive authority over all users. He can add, delete and modify the accounts of all members in the ad...
I'm looking to harness the power of AI to create a full, high-quality promotional video for my business. This video will be inspired by existing content, with a similar motivational tone. Scene 1: The Challenge Begins A rainy day. The sound of water hitting the ground sets the mood. A young aspiring officer stands at the start of a physical training circuit, facing a soaked rope and a high wall. Her face shows both determination and doubt. Instructor (serious, challenging): "Are you ready to start... or do you need help?" She looks at him, silently resolving her doubts, and gets into position, ready to face the challenge. Scene 2: A Life-Changing Memory The year on the screen rewinds. The raindrops morph into the bright sun of a park. An 8-year-old girl watches in ...
**Job Scope for Auction-Themed Website Enhancements** >>>>>>>>>>>we not looking to use of ready plugins we need a full code edit theme is open source<<<<<<<<<<<< 1. **Fix Checkout Page** - Resolve the issue where the website redirects users to the seller dashboard dur...their work to ensure any issues related to the enhancements, fixes, or added features are revisited and resolved at no additional cost. - The warranty covers any bugs or problems arising from the developer's modifications or integrations with the original code. - The developer agrees to accommodate small tweaks, fixes, or minor additional jobs that are directly related to the initial scope without charging extra fees. The finance section sho...
I need a professional to replace the battery of a MacBook Pro (2016-2019 model) in Kent. The replacement battery is already available. Ideal Skills: - Expert in MacBook hardware repair - Proficient in MacBook Pro 2016-2019 models The job needs to be done on-site.
