12v battery charging circuit jobs
Logical Battery Label Design Correction
I'm looking for an expert in circuit design who can help me create a compact 12V 200A DC power supply. This power supply will primarily be used for industrial equipment, so it should be robust and reliable. Key Requirements: - Expertise in circuit design and power supply design - Ability to create a compact design without compromising the performance or safety - Understanding of industrial equipment power supply needs The power supply will be operating indoors with controlled temperature, so there are no extreme weather conditions to account for. However, it should still be designed to withstand typical industrial conditions. Ideal Skills: - Circuit Design - Power Supply Design - Compact Design Experience in designing power supplies for industrial equ...
...an advanced System on Chip (e.g., NVIDIA Jetson Nano) with Linux/Python compatibility, supporting Wi-Fi 6, Bluetooth 5.2, and 5G connectivity (Optional Varient) PCA Layout & PCB Design: Develop efficient and compact layouts for key components, including a multi-microphone array, RGB LED lighting, and a CSI camera interface. Power Management: Design a rechargeable Li-Ion battery system with Qi-compliant wireless charging and magnetic alignment for seamless operation. Prototyping: Produce functional prototypes for testing, including programming and quality assurance ports, ready for rigorous testing and validation. Global Compliance: Ensure the design meets international safety, EMC, and toy compliance standards, preparing the product for scaling to mass production. ...
...detailed electrical schematics. PCB Layout: Design of a compact and efficient PCB. Component Selection (BOM): Identification and sourcing of components (Bill of Materials). Prototyping: Assistance with initial prototype assembly and testing (optional). Production Support: Preparation of manufacturing files and guidance for mass production. The device is motor-driven, requiring: Integration of a 12V motor. Control through a motor driver (e.g., L298N or similar). Current monitoring for overload protection using sensors like ACS712. Safety features to reverse the motor direction when specific conditions are detected. Control and logic processing via a microcontroller (e.g., STM32 or equivalent). Additional integration of LEDs or other indicators for user feedback. Deliverables: Co...
I'm seeking a professional drone operator in Tallinn for aerial filming. The primary purpose of this project involves capturing video for urban planning. The ideal freelancer for this project should: - Have extensive experience in drone operation and have a valid drone operator license. - Be based in or willing to ...involves capturing video for urban planning. The ideal freelancer for this project should: - Have extensive experience in drone operation and have a valid drone operator license. - Be based in or willing to travel to Tallinn(Estonia). - Hold advanced drone operation licenses if required. I do not require any post-processing of the images, so raw images are sufficient. Drone equipment with reserve battery should be brought by freelancer. The project timeline is...
...collected data, and manage account settings. ### Key Features of the System 1. Car Application: The car application is installed directly in the vehicle and serves as the central hub for collecting and transmitting data. It also provides in-car control functionalities when users are inside the vehicle. ## Data Collection: • Collects real-time data, including: • Power status (on/off) • Battery voltage and health • Vehicle speed • Network type and signal strength • Captures and stores video when objects pass near the car, even when the vehicle is off. • Sends all collected data, including live videos and recorded videos, to the central server for remote access. ## In-Car Control: • Allows users to control ca...
I'm in need of a PCB designer for a personal consumer electronics gadget. The PCB should be designed with a focus on supporting battery management. The ideal freelancer would have extensive experience in PCB design, particularly for consumer electronic devices, and a strong understanding of battery management systems. Key Responsibilities: - Design a PCB for a personal gadget - Integrate a robust battery management system - Select the appropriate components for the PCB - Create detailed schematics of the circuit -Batteries: 10A, 3,7V -Led indicators Ideal Skills: - PCB design expertise - Consumer electronics design experience - Proficient understanding of battery management systems The PCB should be designed to a custom size.
We are seeking an experienced Electrical Engineer to design a reliable Switched-Mode Power Supply (SMPS) that converts a 600V three-phase input to isolated 12V and 5V DC outputs. The design must ensure functionality even with a single-phase and neutral input condition. Please refer to the attached detailed specification document for complete requirements. Ideal Freelancer: Strong expertise in SMPS design and electrical engineering. Proven experience in similar projects. Ability to deliver a compact, reliable, and efficient design. Bid Submission: Include your relevant experience, portfolio, and expected timeline for completion. We look forward to collaborating with skilled professionals!
I'm looking for an expert in circuit design to create a control system for a fully automatic vegetable dehydrator. Key Features of the Control System: - Temperature Control: The system needs to monitor and adjust the temperature appropriately for drying vegetables. - Timer Settings: A feature to set and control drying time is essential. - Moisture Sensor: The system should include a moisture sensor to determine the dryness of the vegetables and adjust the process accordingly. - Fan Speed Control: Integrate a feature to control the speed of the fan to optimize the dehydration process. - Auto Shutdown: Implement an automatic shutdown feature that turns off the system once the dehydration process is complete. - Multiple Drying Modes: Provide various drying modes for different ty...
I'm seeking a professional with strong electrical engineering skills, specifically in power systems. Your expertise will be crucial for designing and implementing solutions within this field. Ideal Skills and Experience: - Extensive knowledge in power systems - Circuit design experience (if possible) - Strong problem-solving abilities - Excellent communication skills - Relevant degree or equivalent experience in electrical engineering
I'm in need of a professional who can provide comprehensive electrical drafting services for a new industrial project. The tasks will primarily involve: - Creating detailed wiring diagrams - Developing intricate circuit layouts - Designing control panels Ideal candidates should possess: - Extensive experience in industrial electrical drafting - Proficiency in creating wiring diagrams, circuit layouts, and control panel designs - Familiarity with industry standards and regulations This is a fresh project so no prior schematics will be provided. Your expertise and creativity will be essential in bringing this project to life. I will provide our company template and examples. Its very important that we keep the look of our drawings similar. Looking to build a ongoing...
I'm looking for an expert to analyze and help me understand the APIs used by several electric vehicle charging applications. I want to know what exact API commands to use and how exactly to send requests and get responses, particularly for retrieving real-time data from charging stations. Specifically, I need: 1. An analysis of the API from the Spectre Energy app (). We have already identified this functional API: We need to know what other APIs the app is using, particularly for getting real-time data such as connector status. We need to know how to request these APIs and get responses 2. An identical analysis for the Trianon Energy app (
... This project involves integrating solar panels into blind-like slats that can tilt (open/close) using a servo motor. The deliverables include a slat design that securely holds two solar panels, a mechanism to connect the slats for actuation by the servo motor, and a clean wire-routing solution to connect all panels to a housing unit. The housing will contain the servo motor, electronics, and battery. Key requirements: Design: Must securely hold two small solar panels, allow easy assembly/disassembly, and include a wiring solution. Mechanism: Design a system to link slats for synchronized movement driven by the servo motor. Management: Create a clean and efficient method to route wires to the housing. 4. Include a design feature for efficient heat dissipation from
I need a PCB designed for a consumer electronic device. The PCB must be compact, as space is limited in the device. Key functionalities of the PCB include: - Wireless Connectivity: The PCB should support Bluetooth or Wi-Fi capabilities for seamless communication and connectivity. - Power Management: Efficient power handling and distribution is critical to ensure battery longevity and optimal device performance. - Sensor Integration: The PCB needs to accommodate various sensors, so careful planning for integration points is necessary. Ideal candidates for this project should have extensive experience in PCB design, particularly for consumer electronics. A solid understanding of power management, wireless connectivity, and sensor integration is crucial. Familiarity with compact desi...
I require a complete control panel schematic package for an electrical control panel. The drawing needs to include all parts i will provide manufacturing numbers and title block along with general guidance. Key Requirements: - Compliance with ANSI (American National Standards Institute) standards - Inclusion of specific components: Circuit breakers, Ethernet, Cord grip, Power drop plus power inside panel, Power gland, roxtec hardware - Prompt delivery - today Ideal Skills: - Proficient in creating electrical control panel schematics - Familiar with ANSI standards - Able to work under tight deadlines Please ensure the schematic is comprehensive and accurately detailed to facilitate manufacturing. Please accommodate the following dimension or space constraints: 21" x 17&quo...
Topic Investigation of the Video Stream Transcoding Protocol Explanation Convert the video stream protocol from the LVDS protocol to the MIPI CSI-2 protocol used by Raspberry PI or Nvidia Jetson. To achieve this goal, a printed circuit board must be designed. FPGA processors are commonly used for conversion, so FPGA software may need to be developed
I'm looking for an expert who can assist in the development and design of electronic sensors for detecting and measuring hydrogen sulfide in outdoor environments. Key Responsibilities: - Design an electronic sensor specifically for hydrogen sulfide - Ensure the sensor is suitable for outdoor use - Test the sensor's effectivenes...- Deploy sensors in different outdoor locations to test performance under diverse conditions. Ideal Skills and Experience: - Extensive knowledge in electronic sensor design - Experience with hydrogen sulfide detection - Previous work with outdoor sensor applications - Strong problem-solving skills and attention to detail The sensor should provide digital data output. The sensor should use a battery as its power source. The sensor should commun...
Design a 3D model of a wearable bracelet that includes a compartment for a PCB (printed circuit board) The design must ensure ease of access to replace the battery and securely hold the PCB and other internal components. The model should be compatible with 3D printing and CAD software.
I'm seeking a freelancer to create a working logic gate model for educational purposes. The project can be hardware-based (using ...model for educational purposes. The project can be hardware-based (using LEDs, switches, breadboards). It should include basic gates like AND, OR, NOT, NAND and NOR. Deliverables include a fully functional model, a video demonstration, circuit diagrams or source files, and a user guide. The design must be neat, durable, and easy to understand. Key Requirements: - Create a neat design for the model - Use mixed materials for construction - Model should be cardboard-based Ideal Skills: - Experience in educational model design - Proficient in electronics and circuit design - Excellent with practical, hands-on projects - Ability to create clear...
I'm looking for a professional-grade, portable ladder equipped with LED lights and powered by a Lithium-ion battery. Key Requirements: - The ladder should be designed for professional use. - High-quality, durable LED lights are needed, ideally with adjustable brightness settings. - A reliable Lithium-ion rechargeable battery, with a long lifespan and quick charging capabilities. Ideal Skills and Experience: - Prior experience in designing or manufacturing portable, professional-grade equipment is highly desirable. - Expertise in LED technology and battery systems is a plus. - Proven track record of creating user-friendly, practical solutions for challenging tasks.
I'm looking for a professional-grade, portable ladder equipped with LED lights and powered by a Lithium-ion battery. Key Requirements: - The ladder should be designed for professional use. - High-quality, durable LED lights are needed, ideally with adjustable brightness settings. - A reliable Lithium-ion rechargeable battery, with a long lifespan and quick charging capabilities. Ideal Skills and Experience: - Prior experience in designing or manufacturing portable, professional-grade equipment is highly desirable. - Expertise in LED technology and battery systems is a plus. - Proven track record of creating user-friendly, practical solutions for challenging tasks.
I need a Lineage OS expert to help diagnose a persistent charging issue with my customer smartphone softeare that started recently The problem occurs with multiple cables and adapters, so it's not isolated to a single accessory. Please reach out if you have expertise in this area and can assist.
I need a simple and functional Android app that allows users to charge an electric meter through an NFC interface. The app should encompass the following core functionalities: - NFC read/write: The app will need to read data from the NFC chip on the electric meter and write data back to it when payment is made. - Payment processing: The app will need to process payments for the charging. Experience with integrating secure payment gateways is a must. - Usage monitoring: The app should track and display the usage to the user in real-time. - User authentication: Implement a secure user login system to ensure that only authorized users can access and use the app. - Payment notifications: Send push notifications to users for payment confirmations, low balance alerts, and any other impo...
...device should be able to perform efficiently under various conditions. - **Adjustable Fan Speed**: The fan should have variable speeds to cater to different user preferences. - **Customizable Ambient Lighting**: The charger should come with color-changing lighting. It should be able to shift between different colors to create a calming work environment or assist with sleep. - **Efficient Wireless Charging**: While functionality is key, the device should also serve as a highly efficient wireless charger. I need a professional with a strong background in product design, particularly for tech gadgets. Experience in designing for functionality and performance will be highly beneficial. Please share your rates and examples of similar projects you've worked on. I've attache...
I'm looking for an experienced PCB designer to create a layout for a 5W to 500W adjustable RF power supply. This project is specifically for a circuit that operates at 13.56 MHz. Key Requirements: - The PCB layout must support high-power components while minimizing interference. - It should maintain a frequency stability of +/-1%. This RF power supply will primarily be used for research and development purposes. While I haven't specified dimensions or space constraints yet, a compact design would be preferable if feasible. Ideal Skills and Experience: - Extensive experience in PCB design, particularly for RF applications. - Familiarity with high-power components and their integration into PCB layouts. - Ability to design for minimization of interference and maintainin...
Features and Applications of PT2262 & PT2272 Address Coding: The PT2262 can generate up to 531,441 unique codes using its 12 tri-state address pins, making it highly resistant to interference and unauthorized access. The pairing with PT2272 ensures reliable data decoding. Operating Voltage: Operates in the range of 4V to 15V, suitable for battery or AC-powered systems. Output Types: Supports latch or momentary modes, allowing versatile control based on the application. Applications: Remote control systems for home automation, industrial equipment, security systems, toys, and more. Designing Your RF Control System 1. Transmitter (Using PT2262): Address Pins: Configure address pins (A0–A11) using resistors or direct connections to Vcc, GND, or floating for unique device ...
...solutions. 5. Provide plans for rainwater harvesting and greywater recycling systems to promote sustainability. 6. Ensure detailed plans for accessible features such as ramps, elevators, and wide doorways for individuals with disabilities. 7. Include detailed irrigation plans for the landscape, specifying types of systems and water usage. 8. Design plans for backup power sources, such as generators or battery storage systems, to ensure reliable energy. 9. Include soundproofing and noise reduction details for both interior and exterior environments. 10. Create plans for renewable energy solutions like solar panel installation and wind turbines. 11. Conduct and document environmental impact assessments to minimize the ecological footprint of the construction project. (Mechanical El...
...equipment. - Product Design: Experience with designing consumer electronics. - Knowledge of Noise Cancellation Technology: Ability to implement effective noise-cancellation. - Touch Control Technology: Experience with integrating touch controls in electronic devices. Please ensure to provide examples of similar projects you have completed in your proposal. The headphones should provide long battery life. The headphones should have an earbud form factor. The headphones should have 16 GB of storage capacity. The headphone casing should be made of durable plastic. Please include neutral color options for the headphone casing. The headphones should offer Bluetooth connectivity only. The headphones should be charged via USB Type-C. The headphones should include physical buttons for...
I'm in need of an IC programmer for a 12V UPS specifically designed for routers. The primary function of the IC will be to manage the battery. This includes overseeing the charging and discharging processes. Ideal skills and experience for this job include: - Proficiency in IC programming - Extensive knowledge in UPS systems, particularly 12V models - Experience in battery management systems design - Ability to implement and monitor charging and discharging protocols - Understanding of UPS applications in network infrastructure
...bot-training-pallet-handling
I'm looking for a mechanical engineer or similar professional to design a canopy for a battery energy storage system. Components have already been chosen. Key Requirements: - The canopy's primary function is weather protection in a harsh Australian mining environment. - It needs to be made of steel. - It should be able to withstand high temperatures and protect against dust and debris. I initially need one model, but there will be a total of six required, with ongoing work expected.
I'm seeking an experienced designer and engineer to create electrical schematics for a battery energy storage project. Key Requirements: - Drawing for single-line electrical schematics for the battery energy storage system - I will supply a hand drawn sketch to explain how the BESS gets connected to the eletrical mains It's important to note that I will supply the specifications of the products to be used. Therefore, a flexible, adaptable approach and excellent communication skills are crucial for successful collaboration. Ideal Skills: - Proficiency in electrical design software - Previous experience with battery energy storage projects is desireable - Strong understanding of system integration - Excellent attention to detail Please only bid if you mee...
I'm looking for an expert in NI Multisim who can assist with the simulation and testing of a digital circuit. The circuit will incorporate logic gates, flip-flops, and registers. Ideal Skills and Experience: - Proficient in NI Multisim - Extensive knowledge in digital circuit design - Experience with simulation and testing methodologies - Understanding and practical experience with logic gates, flip-flops, and registers.
I am seeking expert teams to design and produce a durable and high-quality Lithium Polymer (LiPo) battery. The battery should have a capacity of 5000 mAh and a voltage of 3.7V. This project is focused on creating a battery suitable for renewable energy storage. Key Requirements: - Battery Specifications: - Capacity: 5000 mAh - Voltage: 3.7V - Type: Lithium Polymer (LiPo) - Environmental Resilience: The battery should be able to withstand: - High temperatures - High humidity - Vibration and shocks Please note that the project does not currently specify any required quality certifications for the battery, though expert recommendations on necessary certifications will be appreciated. Experience with producing batteries for renewable ene...
...Processing Voice activity detection Noise cancellation Real-time audio processing 3. Technical Features - Voice Trigger Wake word detection ("Hey Assistant") Continuous listening mode Voice command recognition - Responsiveness Low-latency response Real-time lip sync Smooth animation transitions 4. Mobile Optimization - Performance CPU/GPU usage optimization Battery efficiency Bandwidth management - Storage Asset compression Caching system &nb...
...vehicle leaves a pre-defined area. - Maintenance alerts: The system should also notify me when the vehicle requires maintenance. - Speed Monitoring: The system should include a feature to track and report the vehicle's speed in real-time. - Trip History: The ability to record and review the history of all trips, including routes taken, distance traveled, and time. - Battery Life: Include battery monitoring to alert when the vehicle's battery level is low. - SOS Alert: An emergency SOS button feature to send immediate alerts in case of accidents or other emergencies. - Remote Immobilization: Capability to remotely disable the vehicle's engine in case of theft or unauthorized usage. - Multilingual Support: Ensure the mobile application supports multiple...
Power Management System Power Distribution Design: Develop and optimize power distribution systems based on battery capacity, energy efficiency, and load balancing. Design systems to manage power consumption of various components like motors, sensors, and onboard electronics. Ensure redundancy and safety in power systems to handle voltage fluctuations or failures. ESC (Electronic Speed Controller) and Motor Integration: Select and integrate ESCs with motors for optimal performance and thermal efficiency. Test and calibrate ESCs for smooth operation and precise throttle control. Design wiring layouts to reduce interference and optimize signal transmission. Sensor and Camera Integration LiDAR, GPS, Thermal, and Optical Camera Connections: Design and implement electronic circuits for c...
I'm in need of an electrical engineer. Specific details about the project have not been defined yet. You might be tasked with circuit design, power systems, or automation and control. You could also be involved in prototype development, system analysis, or troubleshooting and repair. Your ability to adapt and provide solutions in various scenarios will be crucial.
We are seeking a certified Revit MEP professional to assist with the design and routing of intrusion detection circuits. The ideal candidate will have experience in circuit grouping plans and a solid understanding of MEP systems. Your expertise will be crucial in ensuring that our circuit layouts are efficient and compliant with industry standards. If you have a keen eye for detail and a strong background in Revit MEP, we want to hear from you!
I'm looking for a professional who can assist with the integration of a payment terminal into an EV charger in California. Key Requirements: - Integration of a payment terminal that supports Credit/Debit Cards and RFID/NFC Cards. - The payment terminal should have a Physical buttons interface for user interaction. - The system should be able to collect User identification details, Charging session data, and Payment details from each transaction. Ideal Skills: - Experience with EV charger systems. - Knowledge of unattended payment terminal integration. - Familiarity with hardware that supports Credit/Debit Cards and RFID/NFC Cards. - Ability to design a user-friendly interface with physical buttons. - Proficient in data collection and analysis from payment transactions.
I'm looking for a professional with PCB design experience to create a PCB for an ARM based IoT controller. This controller is intended for security sys...RS-232 serial interfaces for external RFID readers - Ethernet interface - 2 x USB interface - LCD controller for a 7 inch display The power supply for this IoT controller will be 24VDC and will require external Power supply with battery backup, so experience with low-power design is a plus. The PCB should be compact and efficient to fit into a typical security system setup. Ideal Skills and Experience: - Extensive PCB design experience - Knowledge of ARM microcontrollers - Familiarity with IoT applications, particularly security systems - Experience with battery-powered device design - Understanding of various sensor...
...developed for my ESP32-S3 DevKitC-1 module to monitor the battery health. This includes tracking the battery charge, discharge or full charge. Additionally, I would like to read the battery charge level. The aim of this project is to enable battery health monitoring using the "ESP32-S3 DevKitC-1 WROOM-1 N16R8 16MB FLASH WiFi Bluetooth" module. A HID compliant UPS is connected to the USB-C port on the ESP32-S3 module module Ideal Skills: - Knowledge of Arduino programming - Experience with ESP32 modules - Knowledge of battery health monitoring systems - Experience with serial communication protocols - Expertise in low power consumption optimization The script should integrate seamlessly with existing hardware and provide accurate batte...
*** Please ready carefully and only respond if you have the experience needed & do not private message me **** I'm seeking an experienced IoT engineer to design and...versatile connectivity. - The sensor and hub should support the MQTT protocol, allowing for effective message queuing and delivery. Ideal Skills: - Extensive experience in IoT and embedded systems - Experience with cc2530 chipset - Experience with hub CPU's such as the MT7688 - Proficient in designing Zigbee-based devices - Familiar with MQTT protocol and its application in IoT - Skills in developing battery monitoring systems and voltage alert systems - Competent in creating hardware that connects to both WiFi and Ethernet. *** Important, do not reply if you don't have the experience needed and ...
...emotions, needs, actions) with slight spacing or dividers for intuitive navigation. * Incorporate squared edges for a friendlier, more ergonomic appearance. 5. Material Update: * Use matte or textured plastic to reduce fingerprint smudging and make it more visually appealing. New Features to Add 1. Volume & Brightness Adjustments: 2. Rechargeable Battery: * Replace traditional batteries with a rechargeable option and add a USB-C port for easy charging. 3. Durability Improvements: * Add a shock-absorbing rubberized layer to protect the device from drops, especially for younger users. 4. Wearable Option: * Create a detachable clip or lanyard option, allowing users to carry the device hands-free. Visual Design Enhancements 1. Modernized Color Palette: * Introduce multiple...
I'm seeking a seasoned professional with expertise in digital electronics, particularly in circuit design and microcontroller programming, to help me implement an industrial automation system using a Raspberry Pi. Key Responsibilities: - Design and implement digital circuits suitable for industrial automation - Program the Raspberry Pi for controlling various industrial processes - Ensure the system is reliable and efficient Ideal Skills and Experience: - Extensive knowledge and experience in digital electronics - Proven expertise in Raspberry Pi programming - Prior experience in designing circuits for industrial automation - Strong problem-solving skills and attention to detail
I'm looking for a modern and sleek automotive battery packaging design that prioritizes aesthetic appeal. The packaging should be made from recyclable cardboard, aligning with sustainability goals. Key Requirements: - Design should be visually appealing. - Packaging must be made from recyclable cardboard. - Design should be modern and sleek. Ideal Skills and Experience: - Expertise in product packaging design, particularly in the automotive sector. - Strong understanding of sustainable design practices. - Proven track record of creating aesthetically pleasing product designs.
