Lithium ion battery charging circuit design trabalhos
I'm in need of a skilled website designer to create an engaging website dedicated to showcasing my electric cargo delivery van. The primary focus is to illustrate its standout features, thus, a knack for strategic content placement and navigation is required. Expectations include: - Emphasizing battery capacity and range - Highlighting load capacity and space - Unveiling unique design aspects The website will also feature rich and dynamic content mediums. Experience in effectively integrating images and videos onto websites is imperative. The ideal candidate has a track record of designing websites that visually narrate a product's offering while generating user interest.
I'm looking for a proficient designer for circuit schematics and PCB layouts. The task is pretty straightforward. Specifically required skills and experiences include: - Ability to design simple circuits and PCBs. - Knowledge in component selection, particularly microcontrollers. - Proficiency in working electronics design tools. Your role will be vital in our operations, and I am keen on engaging someone who can deliver exceptional work repeatedly. A deep understanding of microcontrollers will significantly increase your chances of landing this gig.
I am in need of an experienced electronics and software engineer to help me enhance an existing automotive electronics product. Key Responsibilities: - Circuit Design: You'll be creating new circuits or modifying the existing ones to improve the product's functionality. - PCB Layout: You'll need to come up with new PCB layouts that accommodate the changes in the circuit design. - Embedded Programming: Ability to reprogram existing embedded systems for better performance and integration of new features. Requirements: - Proficiency in Circuit Design, PCB Layout, and Embedded Programming. - Experience in working with automotive electronics is a big plus. - A proactive, problem-solving attitude towards improving the existing product. ...
We have a mobile app built in cab aggregation field. The code was written in Angular with IONIC framework. We have a very well working Android app. However, there are some native features which are not provided by IONIC framework and no readymade plugins present. Issue: When app is killed, mobile is unable to send the geo location to the backend server. Anticipated S...develop foreground service that can keep running and get device location with following case: 1. App is running in foreground 2. App is running in background 3. Foreground service should restart if app is killed by user or Android OS 4. Service should restart on device reboot 5. App should not require battery optimisation ...
...the necessary skills, I'd love to hear from you. Please outline your relevant experience and provide an estimate of the time and cost required to complete this project. Want to design Arduino code for interfacing with lora sx1278. I have two Arduino nano board and two sx1278 lora module. I want to use them as sender and receiver to operate an relay at receiver end. When I will press Push-button sender will send command to receiver and receiver will make relay on and vice versa to make it off , and receivers will send continues message to sender that system in on and an led will glow on sender circuit. The circuit should be capable of remembering its current state in power cut also.(if its ON it should automatically start when the power gets restored and if its...
Please help me solve the first file I upload, which uses psoc creator and the board is psoc 4200M, It would be best if you can remotely control my computer to help me complete it now. I hope it can be completed within 24 hours. It is an experiment on SPI wireless stepper motor control, the configuration part is done, and the board that connects the circuit is also connected to my computer, I need someone help me and help me write the code (C).
I'm looking for a skilled engineer to create a CompactFlash CFast Digital Audio Player prototype. Specific features and requirements include: Qualifications: -must have Distortion Analyzer, frequency sweeps -be able to build a prototype board totally functional -Sim...codec Full prototype hardware to be shipped to US Audio player will use CompactFlash and play audio files using AAC codec DAC is PCM1794 or WM8742 in non-upsampling mode Dual PCM clocks 44.1 khz and 48 khz auto select MUSES IC attenuator Steel enclosure (pick something from China but big enough to support batteries) RCA output Remote This project requires deep familiarity with audio technology, battery operations, and prototyping. It would be beneficial if you have prior experience in designing and building s...
I'm in need of a skilled professional familiar wi...specifications, particularly the frequency response. Key Requirements: - Simulation of an electric microphone using operational amplifiers in LTspice - Focused on achieving a desired frequency response within the human audible range (20Hz to 20kHz) Ideal Skills: - Proficiency in LTspice for circuit simulation - Strong understanding of operational amplifiers and their application in microphone design - Experience with audio signal processing and frequency response optimization - Previous projects related to microphone design or LTspice simulations would be a plus Please bid on this project if you're confident in your ability to deliver a detailed and accurate LTspice simulation of an electric microphone wi...
I'm looking for a freelancer who can execute an electronic simulation using Ansys Maxwell 3D for my project. The task primarily involves stimulating the following parameters: - Coupling coefficient - Mutual inductance - Quality factor - Efficiency - Coil My project about wireless charging for autonomous underwater vechiles and I charge it with IWPT (inductive contactless power transfer) which depend on charging power by coils so I need to do simulation for optimum coil and compare it with another 2 coils which my optimum coil will be on the pdf I send to you and another to coils will be ( coaxial coil and circular arc coil) so I need simulation to give me results for optimum coil looks like the results and with it results for 6 factors which will be (Quality factor, ...
I'm aiming at developing a robot that employs basic movement controls, thereby necessitating a detailed circuit diagram backed by Arduino code. Essential aspects to consider encompass: - The robot's main purpose: Robotics - Level of complexity: Basic movement controls - Sensors involved: Pir sensor, Tilt sensor Ideally, I am searching for a freelancer who possesses have an extensive background in robotics, especially with movement controls, and a strong understanding of Arduino. Proficiency in working with Pir and Tilt sensors would be a crucial addition as well. Knowing your way around servo, stepper, and DC motor styles would be helpful, even though this particular project might not necessarily utilize them.
...are looking for an experienced electronics engineer to develop a PCB design for a small project using the ESP32 microcontroller. This project involves controlling both Line In and Line Out audio through an amplifier. The schematic for this setup will be provided to you. Project Details: Microcontroller: ESP32 Functionality: Control Line In and Line Out audio via an amplifier Additional Component: Integration of an MP3 module, which is to be triggered by AT commands and also through Serial communication. Deliverables: Complete PCB design files ready for manufacturing, including Gerber files, BOM, and assembly drawings. Requirements: Proven experience in PCB design and electronic circuit design. Proficient in using PCB design software (please s...
...3G/4G/5G technologies. Key Expectations: - Carry out testing on hardware, software, and the network. - Have practical experience with smartphones and smartwatches. - Be proficient with logging tools including QxDM, QCAT, Wireshark, STT, ELT, etc. - Capable of performing daily testing and providing a concise report to myself concerning the results. Specifically, I am interested in evaluating: - Battery performance - Camera quality - Understanding of GNSS/GPS technical concepts. This is considered a significant advantage. Your excellent interpersonal relationships and proven written/verbal communication skills will be key, as they will help in issue investigation and representation during testing. I expect a minimal experience of 3-6 years in professional smartphone field tes...
...Android and iOS devices - Experience in Field Testing - Previous experience as a Device Test Engineer preferred Location: South Korea Ideal Skills: - Strong knowledge and experience with Android and iOS systems - Proficient in functionality and compatibility testing - Excellent problem-solving skills - Reliable and detail-oriented - Have a substantial background in performance, compatibility, and battery life testing. - Be well-versed in mobility and field testing. - Have a concrete understanding of regulatory standards. Your role will involve running intensive tests on these devices, diagnosing issues, and ensuring that our products meet the highest standards in the industry. Your expertise in these areas is critical for our project's success. Join us in propelling our p...
I'm in need of an electronics engineer who can develop a custom two-way intercom system for a medical pressure t...- Push-to-talk from outside to inside (will mute the other direction) - Ability to mute all together - Ability to buzz from inside, for the outside speaker (tone generator) - 2 Condenser Mic Inputs (nice to have: brakeout bypass of Condenser Mic circuit for other microphones) - 2 Speaker Outputs (50W, per output) - individual speaker Volume control - control signals are all 24V with comman GND - 0-24V PSU Ideal Skills: - Electronics Engineering - Circuit Design - PCB Design - Audio Systems The project should result in a design that is ready for manufacturing. And would like the engineer to be available for follow-up in ...
...experienced electronics engineer to help design a digital filter or circuit that can be integrated into my current electronics device. This is to negate disturbances caused by the machine's internal components, consequently enhancing its performance and clarifying the signal. The key responsibilities and requirements are: - Analyze the current hardware structure to identify the root cause of the issues - Draw and design an appropriate digital filter or circuit that can suppress vibrations - Test the designed solution on the existing hardware to ensure it solves the interference problem and improves signal clarity - Document the design process and results Ideal Skills and Experience: * Electronics circuit design * Experience worki...
I'm looking for a skilled Arduino/PCB designer for my course project which has following features: - Switching ON/OFF power light: I'd like to control this using screentouch. - Temperature measurement: I'd like the device to measure the temperature in a room and display it as a numerical reading on a screen. All the above features should have battery power, just like a smartwatch. The ideal candidate should have experience in Arduino and PCB design, as well as a good understanding of power management and temperature sensing. If you're confident in your abilities and believe you can bring this project to life, please reach out.
I'm in need of an expert in motion graphics to help me create an engaging explainer video. I need the video to focus specifically on how the Iron Flo Battery works. The main goal of the video is to attract potential investors. It should be clear, concise and visually appealing to capture the attention of this audience. The ideal freelancer for this project should have experience in creating similar videos for tech products and a good understanding of what investors are looking for. You should also be able to deliver a high-quality, professional video within a reasonable timeframe. We have procured the IP of the attached video which has been spliced to provide an 85% brief. The reference to the scientist Bob Savinell and Jessie Wainwright are part of our team.
I am looking for assistance in optimizing battery performance through Matlab simulation. Due to the project specifics not being clarified, the professional should be comfortable and experienced in working with a range of battery types such as Lithium-ion, Lead-acid battery and Nickel-metal hydride batteries. Key points to consider for this project: Skills and Experience • Understanding and experience in working with various battery types • Proficiency in Matlab for creating simulations and testing • Strong analytical modeling skills Project Objectives • Provide research and suggestions on optimizing battery life, decreasing charging time and improving power output. • Develop a comprehens...
I am seeking a skilled electronic engineer with experience in wearable...skilled electronic engineer with experience in wearable technology to design and prototype a smart ring. Key Features: - Transceiving signal via Bluetooth - Vibrating mechanism - Button for user input - Wireless charging with LED indicator Compatibility: - The smart ring should be compatible with both iOS and Android devices. Ideal Skills: - Experience in designing and prototyping wearable technology - Proficiency in Bluetooth technology and flex PCB design - Understanding of power consumption management in wearable devices Note: While the notification feature option was skipped, there is a possibility I might need to incorporate notifications in the final design. Please keep this in m...
...(e-cigarette shop). This flyer should contain all important warnings as provided. Width: 1200px Height: 1800px The flyer should contain our CI design, logo and products. () Creation in Figma Text content: Liquids note: Our liquid is produced with natural e-flavors that contain no additives. The product contains no tar, no toxins, no chlorinated paraffins, phthalates or plasticizers. Our raw materials are of the purest pharmacist quality and meet the highest quality standards. WARNING: This product may contain nicotine: a highly addictive substance. The use of this product can cause damage to health. E-cigarettes, vaporizers, battery mods, e-liquids, e-flavors, liquid bases & nicotine shots, like all products containing nicotine, are not suitable for people under ...
Please create an ACE Sr one-seat configuration with no arms x7. Red part is battery power - blue part is Pip USB - Please create this configuration in three colours: Olympic Cobalt Cayman Please let me know if you have any questions! Thanks!
I'm in need of a skilled antenna designer to create a GPS directional (Yagi, Vivaldi ....) Printed Circuit Board (PCB) antenna specifically designed for GPS applications. Key Requirements: - The antenna should support GPS L1 1.57542GHz for optimal GPS functionality. - The design should be compact . Ideal Skills and Experience: - Proven experience in designing UHF PCB antennas. - Prior projects related to GPS antenna design would be a significant plus. If you've got expertise in this area, I'm eager to hear from you and potentially kick-start our collaboration.
We need help with a logo for another bransch within our company. So the company logo is uploaded in the contest, and we want a new logo for our Electric vehicle charging bransch that is called "chargeit" please note that it's small letters... Chargeit is focusing on charging stations for electric vehicles and the logo should be similar like the parkit logo, but you should see the clear differ-ence. The font can be the same, but the Icon should be similar but highlight that it's for electric vehicle charing. Although we have no specific colors in mind, it should not be pink like the Parkit logo, but we are open to ideas and encourage you to utilize your creativity wisely. We are excited to see what you can come up with!
...electrical/mechanical engineer to design a retrofitting solution that integrates electric vehicle (EV) chargers into our existing mechanical/automatic parking systems. The successful candidate will be responsible for developing a comprehensive design that includes all electrical schematics, mechanical modifications, and a detailed implementation plan. Objectives: the current mechanical parking system infrastructure to determine the feasibility of integrating EV chargers. 2. Design a scalable and efficient retrofit solution that can be applied to multiple parking spots. Ensure compliance with all relevant electrical safety and performance standards. Deliverables: design documents including CAD drawings and electrical schematics. 2.A prototype design...
...reliable software updates and solid battery life, it's a solid choice for those who prioritize software optimization and photography. Amazon Link OnePlus Nord 2: Price Range: Approximately €350-€400 Description: OnePlus has gained a reputation for offering high-quality smartphones at competitive prices, and the Nord 2 is no exception. With its fast performance, vibrant display, and 5G connectivity, it's a compelling option for users seeking a smooth and responsive experience. Amazon Link Samsung Galaxy A52s 5G: Price Range: Approximately €400-€450 Description: Samsung's A-series devices offer a premium design and features at a more affordable price point. The Galaxy A52s 5G boasts a beautiful AMOLED display, versatile camera system, and l...
I am in need of a PCB design for a prototype. The design should be double-layered and of medium size, falling between the dimensions of 10 cm x 10 cm and 20 cm x 20 cm. Key Requirements: - The PCB design should be tailored to suit the prototype's functional requirements. - The design needs to be double-layered to accommodate the complexity of the prototype. - The size of the PCB should be between 10 cm x 10 cm and 20 cm x 20 cm. Ideal Skills: - Proficiency in PCB design software. - Experience in creating double-layer PCBs. - Knowledge of electronic circuit implementation for prototypes.
I'm looking for a skilled professional to design and develop an automatic umbrella that integrates with a backpack. The primary goal of this system is to provide protection from rain, with no need for hands-on operation. Key Features: - **Automatic Opening and Closing:** The umbrella should deploy and retract automatically, triggered by a manual button located on the backpack. - **Seamless Integration:** The design should ensure the umbrella fits the backpack seamlessly, with a compact and lightweight design for easy portability. Ideal candidate should have: - **Experience with Wearable Technology:** A background in developing wearable gadgets would be highly beneficial. - **Mechanical Engineering Skills:** Proficiency in designing mechanical systems, especiall...
I am looking for assistance in optimizing battery performance through Matlab simulation. Due to the project specifics not being clarified, the professional should be comfortable and experienced in working with a range of battery types such as Lithium-ion, Lead-acid battery and Nickel-metal hydride batteries. Key points to consider for this project: Skills and Experience • Understanding and experience in working with various battery types • Proficiency in Matlab for creating simulations and testing • Strong analytical modeling skills Project Objectives • Provide research and suggestions on optimizing battery life, decreasing charging time and improving power output. • Develop a comprehens...
I'm looking for a talented professional who has experience in designing LCD displays Modules, specifically for automotive dashboard use. The display I need is in the med...dashboard use. The display I need is in the medium size range (3 to 7 inches) segmented HTN/FSTN technology. The critical feature that sets this project apart is the BOM cost of the final product should be very Low without compromising on the quality. Skills and experience that would be ideal for this project include: - Strong background in LCD module circuit design, especially for automotive purposes - Low cost circuit design expertise - Firmware design, C programming , Microcontroller selection etc This is a great opportunity to showcase your skills, and contribute to a produ...
I'm in need of an Arduino-based relay switch that can operate multiple circuits serially. The purpose of this project is to start lights in a seria...relays. - Physical Button Interface: The relay switch must be operable via physical buttons for a user-friendly experience - specially to set adjust time delay between the serial switching Ideal Skills: - Arduino Programming: Experience in programming Arduino to build relay switches. - Circuit Design: Proficiency in designing circuits for handling multiple appliances. - Remote Control Systems: Knowledge in implementing remote control systems for automated appliances. - User Interface Design: Ability to design an intuitive physical button interface for the relay switch. - Automation Experience: Previous experi...
Hi Philipp, In connection to the CanBus project I am thinking about meassuring the fuel level on demand from 'outside' of the car/truck. Do you have any idea? I was thinking in a ESP8266 + Battery + Ultrasound with a round pcb form to be embedded under the fuel tap...
Based on the detailed project overview you've provided, you are aiming to obtain cost estimates and design options for visually detailed drawings of a new concept EV Charging Station. These will ultimately be used for sales and marketing presentations on large digital displays, with potential for further development depending on budget allowances. Here's how you might structure your project details for the Freelancer posting: Project Title: 3D Conceptual Drawings for EV Charging Station Project Overview: Seeking talented 3D artists to create high-quality visual renderings of a new EV Charging Station concept. The initial project phase will focus on developing the basic design, which upon approval, may extend to environmental and usage applica...
Un PCB (Circuito Impreso, por sus siglas en inglés Printed Circuit Board) para control de modulación de ancho de pulsos (PWM, por sus siglas en inglés Pulse Width Modulation) es una placa especialmente diseñada y fabricada para incorporar y soportar los componentes electrónicos necesarios para implementar la técnica de PWM. Esta técnica es ampliamente utilizada para controlar la cantidad de energía que se entrega a un dispositivo eléctrico alterando el ancho de los pulsos en una señal digital.
Looking for an RF expert that can give me a circuit of a Cheap easy to build circuit of an RF Amplifier that can transmit up to 150km line of sight with design of Antenna. This person will also present a simulation data showing that this works and everything is working as we intended.
...operation. The primary focus will be on the electronics aspect of the project. The motor in question is a "T6 Series 750W AC Servo Motor" (see link: ) which is intended to be controlled using an Arduino Portenta H7. What I Require: - Development of an appropriate circuit diagram compatible with the motor driver and Arduino. - Selection of the required components. - Configuration settings including pulse widths, pulse formats, etc. - Ability to rotate the motor in a specific direction for desired durations and speeds. - Troubleshooting and debugging as necessary. Ideal Skills and Qualifications: - Proficiency in electronics engineering with
A graphic designer skilled in creating branded visual designs for electric vehicle charging stations, adhering to real-world dimensions and incorporating company branding elements.
I am in need of an RF engineer who has high standards when it comes to meticulous antenna design. The job highlights the development of a low frequency antenna that operates within the range of 300 to 1000KHz. Key Responsibilities: - Ideal candidate must deliver a complete low frequency antenna design - Anticipate and solve potential design issues Ideal Skills and Experience: - Expertise in RF circuit design - In-depth understanding of RF system performance analysis - Proficient in antenna creation with emphasis on low frequency operations. Your extensive work experience on similar projects will be highly beneficial. Ability to meet deadlines and remarkable problem solving abilities set you apart. Looking forward to your bids.
...who can create an Ansys model for an electric vehicle battery design. The primary focus will be on thermal management and electrical configuration, so experience in these areas is crucial. Key Requirements: - Create an Ansys model for a battery designed for electric vehicles. - Expertise in thermal management and electrical configuration within Ansys. - Ability to simulate the behavior of the battery in different conditions. - Provide recommendations for optimizing the thermal and electrical performance of the battery. Ideal skills and experience for this job: - Strong background in Ansys software, particularly in the field of battery design for electric vehicles. - Experience in thermal management and electrical configuration of bat...
Assalam o alaikum, I am looking for a MATLAB expert with good expertise in the field of control system design. Freelancer should be capable of writing reports too with detailed explanation of the circuit and complete project. Final report should be well structured and properly formatted with cover page, table of contents, list of figures, references. If you use any figure, table or diagram in the report, there should be a proper caption for it. Plagiarism should be below 10% using ChatGPT or AI is highly discouraged.
Assalam o alaikum, I am looking for Pakistan-Based NI Multisim Specialists to work on various tasks for me. Freelancer should be capable of writing reports too with detailed explanation of the circuit and complete project. Final report should be well structured and properly formatted with cover page, table of contents, list of figures, references. If you use any figure, table or diagram in the report, there should be a proper caption for it. Plagiarism should be below 10% using ChatGPT or AI is highly discouraged.
...exterior design of my UTV battery car. The ideal designer would bring my vision of a robust and rugged design to life. I believe that a rugged vehicle aesthetic, in combination with my UTV's performance capabilities, will be a distinctive selling point in a saturated market. Project details: • Exterior Design Style: The project's primary requirement is to deliver a strong, robust and rugged look that aligns with the UTV's off-road functionality. This means the design needs to be as tough as the environments it will be operating in. • Operation Environment: The UTV battery car is intended for off-road and rough terrains. Make sure to consider this factor in the design process. • Functionality Requireme...
As a developer, I'm seeking expertise in crafting efficient C# code to interact with a JKBMS (inverter BMS). My needs are twofold. • JKBMS Read Operations: Your paramount task will be to read specific battery data from the JKBMS. The required data includes the battery's voltage, temperature, and State of Charge (SOC). • Integration with Existing Program: Once the data retrieval is done and example fully works. is to help me integrate it with my existing program. An accomplished C# programmer with prior experience in system integrations, particularly working with BMS systems like JKBMS, would be the most suitable for this task.
...with experience in RF design, GPS, GSM and Sensor testing, and troubleshooting. The main goal of this project is to debug and optimize an RF embedded circuit that uses A9G SoC for realtime air monitoring system. Key Project Details: • Skills Needed: Circuit design, RF circuits, GSM/GPS communications • Specific Task: Debugging and Troubleshooting previous design • Frequency Range: GSM/GPS bands Ideal candidate should have: • Proven experience in circuit design, testing and troubleshooting • Specialization in GSM/GPS systems with A9G Soc • Expertise in working with embedded system, SoC and air quality sensors • Good understanding of wireless communication devices, and circuit...
Report of Examining Committee Member, Ninth Judicial Circuit, In and For Orange County, FL. Probate Mental Health Division.
I'm seeking a skilled freelancer with proficiency in Stripe and WordPress for integrating the STRIPE UK BACS direct debit system. This will be supplementary to the current Stripe payment method on my site, offering another payment option to our users. Key Aspects: - The STRIPE UK BACS Direct Debit should function as a monthly subscription model, charging an upfront fee of £30, followed by £30 per month for a certain duration. - One crucial requirement is that the integration must happen directly on the WordPress site, without redirection to the gateway's webpage. - A form needs to be integrated to capture details like name. age. address, children's name etc. - All details need to be exported on the backend. Skills Needed: - Extensive experience with...
I'm in need of a skilled digital circuit designer for pwm speed controll. The primary function of the circuit will be PWM speed control. The circuit needs to be designed at an intermediate level of complexity. Key requirements: - Digital circuit design experience, ideally with a focus on PWM control - Knowledge of circuit design would be highly beneficial - Experience with intermediate signal conversion needed
I am looking for a skilled circuit designer who can create a simple digital circuit for PWM motor Speed Controller. i will provide you the image so you can easily create this circuit Skills and Experience: - Proven experience in digital circuit design - Proficiency in creating circuits for signal control - Prior work on simple level digital circuits - Ability to work independently and test the circuit for its intended purpose.
I am seeking expertise for my VLSI Magic project that requires: - High-complexity circuit design, calling for an in-depth understanding of intricate electronic circuit schematics. - Proficiency in logic synthesis, particularly in multi-level logic synthesis which is vital for my project. Part 1: Verify the design using a logic design tool. Part 2: Implement your design using Magic VLSI layout tool to generate your project layout Part 3: Test your design using irsim to simulate your project. Project submission should be two items: a- A report PDF file. (PDF) b- A compressed file containing all your codes, simulations, and results. (.zip, .rar)
I am looking for a skilled Graphic 3D designer to help me create an accurate and detailed 3D design of an electric vehicle (EV) charging station. The project involves 3D designing an EV charging station with the following specifications based on my requirements: Given the complexity of this project, I'm looking for a professional who has experience in 3D design, particularly in the field of EV charging infrastructure. You should have a keen eye for detail, as well as strong skills in 3D modeling software. The ideal candidate should be able to deliver a high-quality, realistic 3D design that can be used for further development and implementation of the EV charging station. Please provide examples of your previous work in a similar ...
