12v battery charger schematics工作

筛选

我最近的搜索
筛选项:
预算
类型
技能
语言
    工作状态
    2,000 12v battery charger schematics 份搜到的工作,货币单位为 USD

    ...的按键发送不同的键值,从event0读取;外接USB键盘驱动最好也从event0读取。 5. 其他GPIO驱动 每个GPIO口都可以通过驱动设置输入/输出。 6. 触摸屏驱动和外接USB鼠标驱动 7. 触摸屏驱动和外接的鼠标驱动设备文件最好固定,例如触摸屏固定使用event2,USB鼠标固定使用event3。 ENGLISH Basic Requirements for Hardware Resources of T3 Core Board Basic Hardware Resources 1. Power Supply DC power input, 5V single power input, CPU can detect whether this power supply; Battery input, lithium battery power input; Real-time clock power supply, use button battery; 2 Display interface to support RGB, LVDS and MIPI interface, as only one interface can be used at the same time, so the three interface pins can be reused; 3. Touch screen interface resistive screen interface, the use of ADS7846 or compatible chip, using the SPI interface; Capacitive screen interface, the use of IIC inter...

    $2789 (Avg Bid)
    $2789 平均报价
    2 个竞标

    推广品牌:LuguLake 推广产品: 新闻稿主题:亚马逊出智能手机了,有无线QI功能吗? 相关思路: 1. 市面上大品牌智能机型,支持QI无线功能的有哪些? 2.亚马逊智能机功能方面的几点猜想(将QI无线充充电功能加进去,再结合我们的产品)。

    $10 - $15
    $10 - $15
    0 个竞标

    I'm looking to sell a residential solar photovoltaic (PV) system that stands out for its energy storage capabilities and off-grid independence. The estimated space for installation is a medium-sized residence (1,000 - 2,000 sq ft). Ideal skills include: - Expertise in solar panel design and installation - Knowledge of battery energy storage systems - Understanding of off-grid solar systems - Experience with residential projects - Ability to estimate solar power needs based on space size Offer your skills to make this solar PV system stand out in the residential market.

    $635 (Avg Bid)
    $635 平均报价
    1 个竞标

    I require a bespoke drive thru simulator application that will function on Windows. This app will assess the performance of a headset in a realistic 4 lane drive thru environment. It should have the ability to autonomously run overnight, connected to the headset. Necessary tests include various factors, such as: - Audio quality - Connectivity - Battery life The system should provide comprehensive reports concerning any faults or failures with the headset based on the tests. Experience in acoustic engineering, application development, and system testing is crucial for this project. Real-world drive thru scenarios must be accurately simulated to ensure real-life performance of the headset is effectively assessed.

    $600 (Avg Bid)
    $600 平均报价
    19 个竞标
    Trophy icon Logo Contest for "JollyDesk" 6 天 left

    I am looking for a Professional, ...elements that symbolize support, stability, and ease of use, while also promoting a sense of dignity and independence for the users of these products. The logo should be versatile and easily recognizable, with a stylish and approachable aesthetic that appeals to a wide range of audiences.   Brand Products: Desktop Small Whiteboard with Storage Cord Management Under Desk Desk Lamp With Wireless Charger Keyboard Tray Under Desk   Let’s see your creative ideas! Please submit files in PNG, JPG, AI and PSD versions. We look forward to receiving exceptional entries that capture the spirit of our brand, and we are excited to reward the winning designer with a generous prize. Thank you for your interest, and we eagerly anticipate your c...

    $30 (Avg Bid)
    加保
    $30
    232 项参赛作品

    I'm in need of a professional to convert my hand-drawn electrical schematics, which are currently in image file format, into electronic schematics. The ideal freelancer for this job would be experienced in: - Electrical engineering - Using AutoCAD, as this is my preferred software for the electronic schematics The specific requirements for these electronic schematics are: - Must be editable - Detailed, but clear enough for anyone with a basic understanding of electrical schematics to read. Successfully completed projects with similar requirements will be appreciated during the selection process. I look forward to receiving your proposals.

    $370 (Avg Bid)
    $370 平均报价
    52 个竞标

    ...intermediate Matlab skills to help optimize the energy efficiency of a battery system for renewable energy applications. Key Project Requirements: - Optimize battery system for energy efficiency: The primary focus of this project is to ensure that our battery system operates with maximum energy efficiency. This involves assessing current battery performance and implementing improvements in its energy consumption. Ideal Candidate: - Intermediate Matlab Proficiency: The perfect candidate for this project should be proficient with Matlab, having experience in battery system optimization. Previous work in the field of renewable energy systems would be a bonus. The goal of this project is to enhance the energy efficiency of our battery system. You...

    $3 / hr (Avg Bid)
    $3 / hr 平均报价
    7 个竞标

    I'm currently seeking a professional with experience in Battery Management Systems (BMS) to design and develop a LiFePO4 BMS. The key requirements and features include: - BMS should support 8S and 4S configurations - Maximum amperage capacity of 100A - The ability to alter the BMS ampere capacity by adding or removing MOSFETs or any other relevant hardware as required - The BMS should include essential safety features such as: * Temperature monitoring * Short circuit protection * Cell balancing * Reverse polarity protection - The system should allow for charging and discharging through the same port I need this project to be completed within a month. Ideal skills and experience for this job include: - In-depth knowledge and experience in BMS design, particularly w...

    $301 (Avg Bid)
    $301 平均报价
    5 个竞标

    I am looking for an artistic designer who can create a realistic t-shirt design where a face of our choice is superimposed onto Gollum, the character from 'Lord of the Rings', who is hoarding over phone chargers. This original and funny shirt is intended to convey a lighthearted message about our constant need for chargers. Ideal skills and experience: - Expertise in graphic design and illustration - Proficient in image manipulation techniques - Familiarity with the concept of superimposing - Understanding of the character "Gollum" from The Lord of the Rings - A strong aesthetic sense As for our time frame: we have no strict deadline, so the priority here is quality rather than speed. We appreciate your creativity and look forward to seeing your designs!

    $71 (Avg Bid)
    $71 平均报价
    85 个竞标

    Need drawings for a 3 season room as posted in the attached file from elevations to layout.

    $415 (Avg Bid)
    $415 平均报价
    43 个竞标

    ...implementing IoT solutions in the supply chain - Analyze the impact of IoT on the supply chain for lithium-ion battery production Ideal Candidate: - Extensive experience with IoT and its applications - Proficient in Python development and cloud data management - Comprehensive understanding of supply chains, specifically in lithium-ion battery manufacturing - Familiarity with PLC & SCADA, Edge Computing, wireless sensors and gateways - Strong research writing skills to aid in the comprehensive explanation of findings - Knowledge of MATLAB and Statistical Analysis tools would be an advantage. Your contribution could profoundly impact the efficiency and resilience of lithium-ion battery supply chains. Your work will not only provide immediate value to this resea...

    $272 (Avg Bid)
    $272 平均报价
    9 个竞标

    ...alternately to represent the emergency lights. The motor will power the back wheels and the sound will play through a small speaker as a siren and horn. Here are the requirements for the project: I believe the Arduino MKR Zero would be a good fit since it has the integrated micro SD card holder and sound processing capabilities. It also has an integrated battery charger. The Arduino needs to be powered by a rechargeable Lithium Polymer battery like 3.7 Volts. - Control LEDs: I believe I can get by with two white 3mm LEDs. I will install fibre-optics to transfer the light from the LEDs to various lenses on the fire truck. The LEDs should flash alternately. - Control Motor: Apart from the LEDs, the circuit should also be able to control a small 3-4 V motor. A pot...

    $528 (Avg Bid)
    $528 平均报价
    26 个竞标

    We are in need of a freelance California certified solar designer to review and certify our solar system design. The project is a 280 kW Rooftop PV System for an estate in Southern California. Our Helioscope model, single line diagrams, layout and cabling schematics are all ready for review. Your expertise will be crucial in ensuring the accuracy and compliance of our design. The ideal candidate will have extensive knowledge and experience in solar system design, as well as the ability to conduct thorough peer reviews. Attention to detail and adherence to local regulations are paramount.

    $13 / hr (Avg Bid)
    $13 / hr 平均报价
    8 个竞标

    ...ePaper module PCB used for an electronic shelf tag based on the ESP32 chip. This device is similar to what you would find at a modern retail store, dynamically updating the tag as prices change. Attached are schematics and references for my desired components. I'd like to use the new ESP32-C6-MINI-1-N4 unit as the main controller, as I'm very familiar with ESP programming already, and want to take advantage of its many connectivity options including BLE, Zigbee, and Thread. The ePaper display itself will be the Pervasive 2.13" display using the ZIF25 connector and SPI protocol. Schematics and additional reference details are attached, please read these carefully to ensure the ePaper display module functions accordingly. It will be powered by two CR2450 bu...

    $96 (Avg Bid)
    $96 平均报价
    8 个竞标

    I'm looking for a skilled programmer who can create a battery level indicator program for an Lithium Battery. The program will be used to interpret battery level data and display it via LED indicators. Key Points: - Device: The program is specifically designed for an Lithium Battery; thus, knowledge of embedded systems is must needed, which includes both Hardware & Software Design - Programming: Proficiency in C/C++ is essential for this task as it is the preferred programming language. - Display: The battery level will be depicted through LED indicators. Experience with LED technologies or similar display systems is advantageous.

    $261 (Avg Bid)
    $261 平均报价
    17 个竞标

    Wiring Schematic of an Agricultural Articulated Truck (Tractor), new project needs schematic and design. Key Components: Power Supply: Battery Alternator Main Circuit Breaker Lighting System: Headlights Tail Lights Work Lights Indicators Control Systems: Ignition Switch Dashboard Controls Relays and Fuses Engine and Transmission: Starter Motor Engine Sensors Transmission Controls Hydraulics: Hydraulic Pump Controls Joystick Controls Hydraulic Solenoids Auxiliary Systems: Air Conditioning Horn Wiper Motor Fuel Gauge

    $33 / hr (Avg Bid)
    $33 / hr 平均报价
    16 个竞标

    I'm in need of a PCB designer who can create a single-layer PCB prototype using KiCad. Key Responsibilities: - Develop a single-layer PCB based on a provided schematic - Ensure the design is optimized for prototyping - Provide the design files in KiCad format Ideal Skills and Experience: - Proficiency in KiCad - Experience in designing single-layer PCBs - Knowledge of PCB protot...single-layer PCB prototype using KiCad. Key Responsibilities: - Develop a single-layer PCB based on a provided schematic - Ensure the design is optimized for prototyping - Provide the design files in KiCad format Ideal Skills and Experience: - Proficiency in KiCad - Experience in designing single-layer PCBs - Knowledge of PCB prototyping - Strong attention to detail - Ability to work based on provided ...

    $23 (Avg Bid)
    $23 平均报价
    14 个竞标

    ...devices you’ll need a system to digest and understand all of the data coming in -Comparing fleet tracking devices Functionality Technical specifications Cost -Choosing fleet tracking devices for specific applications Plugin Hardwired Dashcams Rugged/exterior mounted applications - construction, landscaping, etc. Remote deployments Battery powered Solar powered Kill switches Temperature sensors -Is it legal to install fleet tracking devices in my vehicle? - Disclaimer: we cannot give legal advice, seek professional advice for your particular situation - in most states where the company owns the vehicle, yes...

    $250 (Avg Bid)
    $250 平均报价
    1 个竞标

    I'm searching for a CAD designer to help create a Lithium-ion battery module which will later be used in a radio. The primary goal of this project is to design a battery module that possesses the following characteristics: - Lithium-ion: The battery module should be based on lithium-ion technology - Prismatic: The battery should have a prismatic shape. This is to ensure it can be integrated seamlessly into the radio design. I'm looking for a CAD designer with experience in battery module design. Experience with lithium-ion batteries, prismatic batteries, and if possible, relevant experience with radios would also be beneficial. The designed battery module should have a capacity of 1000mAh. If you're interested in this project, I&...

    $3 / hr (Avg Bid)
    $3 / hr 平均报价
    2 个竞标

    ...example please design and don't use this exact one - BMPRO logo bottom left hand side - a pic of the product ( photoroom pic) bottom right hand side - make this pop out at you almost like a 3D image to get your attention - The following in dot point format on the left hand side in BMPRO fonts (attached) *1600W Pure Sine AC Inverter *DC (5-24V) And AC (240V) Out/Input *12 Power Outlets *1485Wh (12V 120Ah) *Core LiFePO4 (lithium) Benefits *Light Weight For Easy Transport *Integrated MPPT Solar Regulator *Ergonomic And Robust Case *Extensive Certifications *Non-slip Rubber Feet *Fast Charge Rate – 2.5hrs To 80% *High-contrast LCD Screen *Active Cooling *5-year Warranty - the following heading in BMPRO fonts (attached) "BMPRO Power Station" and under this write...

    $66 (Avg Bid)
    加保
    $66
    84 项参赛作品

    ...the athlete during a game or training session. - Speed Metrics: Monitoring the speed at which the athlete is moving during different phases of the game. - Acceleration and Decelerations: Recording sudden changes in speed to analyze the player's agility and response times. - Heart Rate Monitoring: Capturing the athlete's heart rate to gauge their exertion levels during play. Ideal Battery Life: - The desired battery life for the device is up to 8 hours. It should be able to sustain continuous operation during a typical training session or game. Future Application: - While the initial focus is on soccer, the device should be designed with flexibility to be adapted for other sports in the future. Skills Required: - Proficiency in GPS device design and prototyping...

    $176 (Avg Bid)
    $176 平均报价
    5 个竞标

    I am looking for an expert in antenna design, specifically for high-frequency pulse antennas, to design a solution for a Radar system project. A very quick and easy design with those which are familiar with pcb software. I basically just need you to copy the attached picture with solder. The only component will be an SMA connect...project is focused on a Plate Antenna Design. - The newly designed antenna will be used specifically for Radar systems. - The design of the antenna should be optimized for printed circuit board (PCB) implementation. We anticipate a robust design process that includes modeling, simulation, and verification stages. The ideal candidate should deliver complete documentation for execution, including schematics, manufacturing specs, and any relevant desig...

    $69 (Avg Bid)
    $69 平均报价
    16 个竞标

    I require a 10-page paper that focuses on comparing the transition to hydrogen internal combustion engine vehicles with electric/battery-powered cars. This paper should thoroughly explore the environmental impact, cost-effectiveness, and overall performance of these two types of vehicles. Key Areas to Cover: - Environmental Impact: The freelancer must analyze and present a detailed comparison of the environmental impact of hydrogen and electric vehicles. - Cost-Effectiveness: The paper should investigate the cost implications of transitioning to hydrogen internal combustion engine vehicles in comparison to electric/battery-powered cars. - Performance Comparison: A crucial part of the paper will be to comprehensively compare the performance levels of these two types of vehicl...

    $63 (Avg Bid)
    $63 平均报价
    50 个竞标

    I'm in need of a professional designer who can create captivating packaging for data cables and charger adapters. The design should appeal to a broad audience, encompassing all age groups. Key Requirements: - Create engaging, eye-catching packaging that appeals to a wide demographic. - Ensure the design reflects the high-quality nature of the products. - Design style is open-ended, giving you creative freedom to impress. Ideal Skills and Experience: - Proven experience in packaging design, ideally for tech accessories or similar products. - Understanding of design principles for appealing to all age groups. - Ability to create original, engaging designs that stand out on shelves or in online stores.

    $27 (Avg Bid)
    $27 平均报价
    75 个竞标

    I'm in need of an expert to design a site plan for a Level 2 EV chargers. Key Requirements: - Analyze existing property blueprints and create ev charger plan with load balancing for 20 chargers. - Ev charger plan must include: Cover Sheet, site plan, electrical site plan, parking layout and details, single line diagram, schedules and Notes and T24 compliance forms. Experience: - Experience in EV charging station design. - Experience in load balancing for multiple chargers

    $20 / hr (Avg Bid)
    $20 / hr 平均报价
    8 个竞标

    ...light. - Once the Arduino detects that the warning light is on, it must signal for another light to blink. -I want to splice into another warning light on my car instrument panel and use the power feed on that as my input signal for the arduio - I prefer the blinking pattern to constitute 5 blinks, followed by going out. -I can power the board from a 9v battery if using the voltage from the car is too dicey. I don't mind if the battery runs out quick - Final output should be a detailed project scheme, the respective Arduino code for this light blink setup, and instructions on how to assemble...

    $24 (Avg Bid)
    $24 平均报价
    5 个竞标

    ...with the primary goal being to increase manufacturability. The improved design should reflect in the product's portability, energy efficiency, resistance to weather, and extended battery life. Ideal Profile: - Experience in Product Design - Understanding of Efficient and Durable Design Principles - Knowledge of Power Management for Electronic Devices Your role will involve: - Reengineering the product design for better manufacturability without compromising on aesthetics or functionality - Incorporating features that improve portability, energy efficiency, resilience to weather conditions - Enhancing the battery life of the product. Your contribution will significantly shape the efficiency and user-friendliness of our high-demand enterprise advertisement product....

    $12468 (Avg Bid)
    $12468 平均报价
    16 个竞标

    I'm in the early stages of launching a consumer electronics project, specifically a compact keyboard. Your role will allow us to prototype our design, therefore, a deep understanding of PCB design and schematics is critical, along with proficiency in CNC and CAM housing design. - PCB Design: The design should be for a compact keyboard (60% size, approximately 75 keys). This should include the necessary power supply units, microcontrollers, and communication modules, forming a flawless electronic prototype. - CNC Housing Design: Once we've secured the PCB design, we'll need a CNC and CAM design for the housing of the PCB which will be made out of Aluminum. The aim is for the housing to seamlessly fit the PCB while maintaining a modern aesthetic appeal. Pease Note...

    $628 (Avg Bid)
    $628 平均报价
    25 个竞标
    WiFi review 2 天 left

    I can: Check PCB Add missing 3d model If needed fix schematics Make pcb emc compliance Add vias Double check datasheet and fix pcb if any issues arises. Add CE logo

    $12 / hr (Avg Bid)
    $12 / hr 平均报价
    1 个竞标

    ***PLEASE NOTE I AM NOT INTERESTED IN RANDOM DESIGNES FROM OTHER BUSINESSES - I WILL BLOCK THE FREELANCER - ONLY SUBMIT DE...Title of position within company: Car Electrician The card should also have space for: Phone number xxxxx email xxxxx Location : City XXXX The card should also show some information regarding services we offer which is: - Key Programming & Cutting - Unlocking Hidden features - Diagnostic & EML clearing - Software & Module updates - Retrofit Equipment - Engine Tuning DPF, EGR & IMMO solutions - Battery Registering - ECU Cloning - Airbag Programming - ****PLEASE NOTE THE FINAL DESIGN WILL NEED TO BE IN 2 LANGUAGES TRANSLATION AND OTHER INFORMATION WILL BE PROVIDED TO WINNING DESIGN***** design is to remain same just the text / logo will be tran...

    $12 (Avg Bid)
    $12
    118 项参赛作品

    I have a project that requires some critical adjustments in Laravel, VueJs, and Tailwind CSS. Key Custo...Customization Details: - The primary focus is on the design and layout; specifically, the colors, branding, and page layouts need fine-tuning. - I'm looking to infuse vibrant and bold colors into the project to lend it a lively and engaging atmosphere. Ideal Candidate: - Professional experience with Laravel, VueJs, and Tailwind CSS. - Extensive knowledge in design customization and color schematics. - Strong understanding of vibrant, bold color scheme integration. - Proven track record of effectively adjusting page layouts. Please be ready to discuss your previous experiences involving similar customizations. Looking forward to working with a dynamic and creative t...

    $25 (Avg Bid)
    $25 平均报价
    16 个竞标

    ...professional to assist me in implementing distributed secondary control using Simulink. I want you to simulate this project in Matlab Simulink. I will need the simulation files as well. - The main purpose of the project is to ensure the stability and reliability of the microgrid through an effective distributed secondary control mechanism. - The microgrid comprises of Solar PV, Generator, and a Battery storage system. - The primary power quality issues that require addressing are related to voltage and frequency. - I'll need you to explain the project design once you are done on zoom call or something as I need to write my thesis on this so I'll need know all the details about the project. Ideal skills and experience for this project include: - Proficiency in Simu...

    $359 (Avg Bid)
    $359 平均报价
    19 个竞标

    I'm on the hunt for a highly skilled CAD designer to assist with 2D drafting for a floorplan - Extensive experience with 2D drafting - Specialized in the field of engineering schematics. Bring your sharp professional skills, attention to detail, and innovative thinking to my project, and let’s design the future together.

    $102 (Avg Bid)
    $102 平均报价
    59 个竞标

    I'm looking for a 5kW solar inverter specifically designed for residential usage. It should be equipped with a battery backup system to ensure continuous power supply during outages. Key Requirements: - 5kW Power Output: The inverter should be capable of handling 5kW of power, suitable for residential usage with inductive loads. - Battery Backup Compatibility: It must be designed to work with a battery like lead acid and LifePO4 battery of 48V which will be a 16 string LifePO4 battery.. This is crucial for ensuring uninterrupted power during times of outages or low sunlight. -Tgere whouxl be an lcd screen to do settings and check status. - Residential Suitability: The inverter should be designed for residential environments, taking into account fa...

    $2170 (Avg Bid)
    $2170 平均报价
    10 个竞标
    Battery BMS Development 已经结束 left

    I'm in search of a skilled developer who can help me design a Battery Management System (BMS) for Lithium-ion batteries. The primary functions of the BMS will be to monitor the health of the battery, control its charging and discharging, and ensure its safety. Key Requirements: - Experience in developing Battery Management Systems - Proficiency in Bluetooth communication protocols - Understands the specific needs of Lithium-ion batteries and how to optimize their performance - Capable of integrating safety features into the BMS to prevent incidents like overcharging or overheating The successful candidate will need to be able to work closely with me to understand the specific requirements of the BMS and design a system that meets these needs. The ability to clea...

    $516 (Avg Bid)
    $516 平均报价
    6 个竞标

    I'm looking for an architect to design building plans for an 18 foot habitation box for my expedition vehicle, ensuring it's equipped with all necessary systems for a comfortable journey. Key Points: - **Power System:** It's crucial that this habitation box has a reliable and versatile power system. I need it to include solar panels, a battery bank, and a generator. The architect should ensure that these systems are integrated seamlessly within the design, considering factors like space, weight distribution and ease of access for maintenance. - **Water System:** The design should factor in space and weight considerations for the habitation box's water system. I'd like to have a freshwater tank, greywater tank, and a water filtration system included. The a...

    $4104 (Avg Bid)
    $4104 平均报价
    22 个竞标

    I require a skilled 3D designer to encapsulate a small wearable device with key inclusions of a battery compartment, USB C, and Micro SIM. The purpose of the design is to accommodate an IoT device, ensuring it remains sleek and compact. The utmost importance is placed on the dimensions, so the final design must have a footprint similar to that of a smartwatch. 30 x 30 x 10 mm. Key Skills and Experience: - Proficiency in 3D design software - Prior experience with wearable devices - Understanding of IoT device encapsulation - Ability to work with compact, small-scale designs

    $49 (Avg Bid)
    $49 平均报价
    21 个竞标

    ...work on a project related to Li-ion batteries. I have already done some work. I don't know about battery modeling on ANSYS Fluent. I am trying to mimic TR using a thermal model. The geometry and the parameters are taken from the research paper (the research paper is attached). I propagated TR using a user-defined function (UDF) on ANSYS Fluent, but I couldn't get a higher cell temperature than the one mentioned in the paper. The UDF contains the data points and Time extrapolated from the research paper (Fig. 5). The heat generation is calculated using q''' = rho*Cp*dT/dt. (The work should be done on ANSYS Fluent). Key Tasks: - Conduct detailed thermal analysis and simulation on a Li-ion battery. - Show the transient response of cell temperatur...

    $145 (Avg Bid)
    $145 平均报价
    15 个竞标

    I'm seeking a talented freelance designer to put together a compelling project presentation. It's objective is to pitch a product - a sustainable green energy battery for electric vehicles (EV). The main audiences are investors and the general public. Key work includes: - Crafting a cogent narrative that thoroughly explains the product benefits - Preparing visually pleasing slides to enhance understanding and impact - Ideally, turning technically complex concepts into accessible information. You'll need to have: - Strong background in design with a portfolio showcasing your previous project presentations - Knowledge or interest in sustainable energy and EV technology - Exceptional writing skills to convey ideas clearly and compellingly - Experience in preparing pr...

    $214 (Avg Bid)
    $214 平均报价
    22 个竞标

    I'm looking for an experienced individual to help with an audio breadboard project focused on low frequency tone decoding. The main goal of this project is to trigg...resistor, that can pick up in the 22Hz range - Amplify the signal with a common amp chip (i.e. LM 386) - Amp needs to work with existing tone decoder circuit that works. Ideal Skill Set: - Proficiency in Low Frequency Signal Processing - Experience in Audio Breadboard Projects - Understanding of Analog Signal Transmission - Comfortable walking me through this online, via video interaction after schematics draw uo This is an interesting and challenging project that requires a deep understanding of both audio processing and circuit integration. If you're confident in your ability to tackle such a task, I'...

    $51 / hr (Avg Bid)
    $51 / hr 平均报价
    7 个竞标

    I'm seeking an experienced engineer/product designer that could build a 3-wheel E-Bike controller. This E-Bike controller should be capable of handling the following features: - Speed Control: The controller should have functionality to manage speed, with a maximum limit of 20 mph. - Battery Monitoring: The controller must include a system that allows for the continuous tracking of a Lithium-ion battery usage. - LCD Display: The controller should be equipped with an LCD display that visualizes the battery status and speed settings. It is essential the freelancer working on this project has experience in product design and engineering, with a strong familiarity in Lithium-ion batteries and how they function within e-bikes. Knowledge of LCD functionality is also n...

    $159 (Avg Bid)
    $159 平均报价
    14 个竞标

    ... The webapp should be responsive, adapting seamlessly to both desktop and mobile platforms. Key Features: - Show the shortcuts and everything on the initial screen. The location, car color, battery and other params should be able to be set from parameters - Climate Control System: The webapp should have a user-friendly interface for adjusting the car's climate control settings. - Navigation System: Implement a detailed and interactive navigation system. It does not need to work 100% but feel and look like maps. - Battery Status: A central feature of the webapp should be the ability to view the battery status, and navigate to different sections of the menu with ease. Ideal Skills: - Proficiency in ReactJS for a smooth and responsive user interface. Angular is ...

    $188 (Avg Bid)
    $188 平均报价
    71 个竞标

    I'm looking for a skilled professional who can design a compact, efficient, and reliable battery pack and Battery Management System (BMS) for a body-worn application. The task involves creating a solution with the following specifications: - **Capacity**: The battery should provide a runtime of up to 2 hours on a single charge. - **Chemistry**: The preferred battery chemistry is Lithium-ion. - **Compact & Lightweight**: Given that this is a body-worn application, the design should prioritize being safe to the human, small and lightweight. - **Safety**: Fast charging is needed but the design must include safety mechanisms to prevent overcharging and overheating. -**Waterproof**: The battery pack should be IP65 rated to be usable in the shower -**...

    $276 (Avg Bid)
    $276 平均报价
    4 个竞标

    ...Specifications: Two sections are required: Power Ground Circuit: +15V, +5V. Lower Ground (controller) Circuit: +12V, +5V, +3.3V, -12V. Ensure that both grounds are isolated from each other. The design must be lightweight and compact, suitable for a portable device. We need the design to be highly reliable and efficient, with considerations for safety and durability. Job Responsibilities: 1) Design: Develop a schematic and board layout for a multi-output power supply that meets the specified requirements. 2) Prototyping: Assemble and test the prototype on a PCB to ensure it meets performance standards. 3) Delivery: Deliver the fully tested PCB to us, including all design files (schematics, board layout, BOM, etc.). Candidate Qualifications: 1) Strong experienc...

    $452 (Avg Bid)
    $452 平均报价
    19 个竞标

    I require a couple of photorealistic renders of a product using a high-resolution image from my step file. This rendering is going to be used for product visualization purposes. Please provide a render of the cabinet front on (with the door closed), a render of the cabinet with the door open from a slightly offset perspective, and a render of an individual battery module also from a slightly offset perspective. Key Requirements: - The step file already contains all necessary details including colors and materials to be used in the rendering. Ideal Skills: The ideal freelancer for this project must have a strong understanding of graphics and rendering techniques capable of producing high quality, photorealistic images. Experience in creating product visualizations from step fi...

    $33 (Avg Bid)
    加精 加急 加保
    $33
    34 项参赛作品

    I'm looking for a skilled individual who can create a sketch for a rather specific and interesting project. Key Requirements: - Utilize a crash sensor micro switch: This element is the core of the project as it's designed to respond to an impact and trigger a series of events. - Trigger a 12v motor: The motor should start running as soon as the sensor detects an impact. - Simultaneously play a short MP3 file: The audio should begin playing once the sensor is activated, but it should be less than 30 seconds in duration. - Activate a solenoid latch: This component is crucial as it performs a critical function in the project. The solenoid latch should be triggered once the motor is on and the music is playing. - Stop the music and motor: Once the solenoid latch has ...

    $91 (Avg Bid)
    $91 平均报价
    9 个竞标

    I'm seeking an experienced AutoCAD draftsman who specializes in creating engineering schematics, particularly construction details. Key requirements: - Proficient in AutoCAD software - Experience in creating construction details - Knowledge of engineering schematics - Ability to work with minimal supervision Your main task will be creating detailed engineering schematics for construction purposes. You should be able to interpret complex engineering drawings and turn them into precise, accurate AutoCAD illustrations. Please note that you may be required to work with minimal supervision, so a proactive approach to your work is essential.

    $13 (Avg Bid)
    $13 平均报价
    13 个竞标

    I'm seeking a creator skilled in 3D animation to craft an engaging educational video. The primary focus will be on the basic operations of lithium-ion batteries, coupled with illustrative aspects of how cooling systems work in sync with these technologies. Key Features:...complex science of lithium-ion batteries and their cooling system into an easily digestible overview. - Target Audience: The video will serve as an educational tool for college students, so the content should be academically accurate, yet easy to understand for non-experts. Ideal Skills and Experience: - Previous experience creating animated educational content. - Understanding of lithium-ion battery technology. - Capable of simplifying complex concepts into clear, compelling visuals. - Proficiency in 3D a...

    $98 (Avg Bid)
    $98 平均报价
    4 个竞标