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    2,000 ttgo esp32 oled battery schematic งานที่พบ

    An automated Greenhouse using the WT32-SC01, powered by the esp32-wrover-b. This 1st phase is about making programable cycles, according to the day and hour, handling valves, how long they open and how much, basic screen interface and posibility of expansion.

    $2 / hr Average bid
    $2 / hr การประมูลเฉลี่ย
    1 คำเสนอราคา
    ESP-Drone Functionality Testing
    6 วัน left
    ยืนยันแล้ว

    ...looking for someone who can carry out functionality testing for a device built on Espressif's ESP32/ESP32-S2/ESP32-S3. It can be controlled via a mobile app or a game controller over a Wifi network. Key aspects of the project include: - Testing the ease of control via the mobile app - Assessing the responsiveness to the game controller - Testing that the esp32 drone code actually works - using basic components to test functionality. For example testing on LED's for each motor. - Test PCB Gerber files online as well The ideal freelancer for this project should have: - Experience with Espressif esp drone - Extensive experience in functionality and usability testing - A strong understanding of ESP32 technology - Proficiency in evaluating mob...

    $30 / hr Average bid
    $30 / hr การประมูลเฉลี่ย
    18 คำเสนอราคา

    Se busca hacer un invernadero utilizando el WT32-SC01 que cuenta con el ESP32-WROVER-B. Configuracion inicial de el microcontrolador

    $2 / hr Average bid
    $2 / hr การประมูลเฉลี่ย
    1 คำเสนอราคา

    ...automatic watering pot. The pot should have: - Two compartments: the inner for soil and plants, and the outer housing all the components like a relay module. - A fully covered outer compartment made of Plastic (ABS), which is the chosen waterproof material. - Integrated moisture sensor located in the soil. - A DC water motor situated in the water compartment. The pot should be designed for: - A battery-operated power source, as this will aid in keeping the pot cost-effective. - Growing flowers, hence the pot should cater to the needs of these types of plants. Please also provide suggestions for: - A cost-effective design that would allow for future sales under Rs 249. ( $4 ) - A suitable waterproof material to be used inside the pot for housing the components. Your expert...

    $36 Average bid
    $36 การประมูลเฉลี่ย
    2 คำเสนอราคา
    Battery-Powered Soil Moisture Sensor Design
    6 วัน left
    ยืนยันแล้ว

    I am working on a battery-powered soil moisture sensor project. Currently, I have a prototype using an ESP8266 and a soil moisture sensor. The final device should meet the following requirements: Power Source: Utilize a 18650 lithium-ion battery for power. Data Reporting: Send data to a specified URL ({sensorId}/{secretToken}/{moistureLevel}/{temperatureLevel}/{batteryLevel}) at hourly intervals. Setup and Configuration: Allow easy setup and configuration of the device (e.g., Wi-Fi credentials, sensor ID, and secret token) using a mobile phone. Additional Features: Measure and report moisture level, temperature, and battery level. Optimize for low power consumption to maximize battery life. Your task is to design the electronics and firmware for this device, en...

    $268 Average bid
    $268 การประมูลเฉลี่ย
    24 คำเสนอราคา
    Eco-friendly Logo for Electric Vehicle Support
    6 วัน left
    ยืนยันแล้ว

    ...logo should be clean, modern, and visually appealing, reflecting the essence of the company. It must incorporate the following elements: 1. E-Rickshaw: A representation or silhouette of an e-rickshaw, symbolizing the core focus of the business. 2. **Road**: A dynamic road element, such as a curving path or road markings, to depict motion, connectivity, and transport. 3. **Battery**: A subtle yet prominent battery icon to represent the electric aspect of the services. **Design Preferences:** - **Color Scheme:** Use eco-friendly colors like green, blue, or shades of grey/black for a modern touch. Feel free to explore gradients or vibrant accents to make the logo stand out. - **Typography:** Use clean and modern fonts. The company name "RVD EV Support" ...

    $17 Average bid
    $17 การประมูลเฉลี่ย
    31 คำเสนอราคา

    *** OVERVIEW *** - Ten US dollars per hour. - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microchip. - You do *not* need any experience with microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, circuit design, or Python. - If Freelancer.com prevents you from bidding on this project or if you want to avoid “spending” one of your Freelancer bids you can apply "passively” for this project by pasting "MicroPython_ESP32_11_September_2019" into your Freelancer profile. Please see the section below in this posting called *** APPLYING "PASSIVELY" *** for more information. *** LOCATION *** You must live the Weste...

    $10 / hr Average bid
    $10 / hr การประมูลเฉลี่ย
    6 คำเสนอราคา

    *** OVERVIEW *** - Ten US dollars per hour. - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microchip. - You do *not* need any experience with microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, circuit design, or Python. - If Freelancer.com prevents you from bidding on this project or if you want to avoid “spending” one of your Freelancer bids you can apply "passively” for this project by pasting "MicroPython_ESP32_11_September_2019" into your Freelancer profile. Please see the section below in this posting called *** APPLYING "PASSIVELY" *** for more information. *** LOCATION *** You must live the Weste...

    $10 / hr Average bid
    $10 / hr การประมูลเฉลี่ย
    4 คำเสนอราคา

    ...advanced robotics. Could be integrated offboard with a tether or custom enclosure. Option C: Espressif ESP32 + External AI Do motion control on the ESP32, and connect wirelessly to a more powerful offboard system that runs the AI. Secondary Microcontroller or Smart Servo Controller If using Dynamixel or LewanSoul servos, you can use their dedicated controllers or a standard board (e.g., Arduino Mega) with a half-duplex UART or a custom serial bus. Servo HAT/Shield from SparkFun or Adafruit if using conventional PWM servos. Power Distribution For 12–15 advanced servos, you need a stable power supply (likely 7.4V LiPo or 11.1V LiPo stepped down to servo voltage). Consider a high-current BEC (Battery Eliminator Circuit) or DC-DC converter that can handle 5&ndash...

    $2272 Average bid
    $2272 การประมูลเฉลี่ย
    20 คำเสนอราคา
    Gyroscope Stabilizer Control Unit Design
    6 วัน left
    ยืนยันแล้ว

    ...be:I_{gyro} = frac{L}{omega_{gyro}} = frac{18.84}{104.7} approx 0.18 text{ kg·m² for the lower end} This calculation scales up or down with actual spin rate and desired stabilization speed.  Practical Gyro: A commercial gyro with a rotor diameter of about 7 to 9 cm might suffice if it can spin at high speeds. However, I need the size to be no larger than 9 cm: Power: Adequate power supply ( battery) to maintain high RPM. for 1hr Control: Some form of control mechanism to adjust the gyro's orientation or speed to counteract the spin. It must be controlled by a cell phone app that can be downloaded through google app store.  Most important!!!! There must be a 2nd control unit other than the cell phone app similar to a handheld drone controlle...

    $502 Average bid
    $502 การประมูลเฉลี่ย
    47 คำเสนอราคา
    Trophy icon Social Media Image Optimization
    5 วัน left

    I need an image enhancement expert to optimize my images for Instagram and Facebook. Key Tasks: - Enhance images for social media - make the battery charger stand out as the feature product - Optimize color, background and text/graphics to boost engagement It is crucial that the freelancer has experience working with social media images and understands what type of enhancements will make the images more appealing to these platforms.

    $31 Average bid
    การันตี

    ...for an electric scooter and bike. Key Responsibilities: - Conceptualize and finalize the design for both the electric scooter and bike, ensuring they are suitable for mass production - Utilize aluminum alloy as the primary material for the design, ensuring the vehicles are lightweight yet durable - Provide detailed manufacturing drawings for all components of the vehicles, including the frame, battery compartment, and wheel assembly Ideal Skills and Experience: - Extensive experience in designing and producing electric vehicles - Proficiency in using design software like SolidWorks, AutoCAD, or similar - Strong understanding of using aluminum alloy in vehicle design - Excellent attention to detail, particularly in creating manufacturing drawings - Ability to deliver on time an...

    $236 Average bid
    $236 การประมูลเฉลี่ย
    12 คำเสนอราคา

    I'm looking for a COMSOL professional who can assist with a thermal behavior analysis of a lithium-ion battery with a surface crack. Key requirements: - Expertise in evaluating mechanical integrity within the context of thermal behavior. - Proficiency in assessing charge/discharge cycles and their impact on electrochemical performance. - Experience in identifying and analyzing surface cracks, specifically micro-cracks, macro-cracks, and delamination. Your bid will be evaluated based on your relevant experience and ability to deliver a comprehensive analysis.

    $150 Average bid
    $150 การประมูลเฉลี่ย
    2 คำเสนอราคา
    Model Predictive Control (MPC) framework for a Hybrid Energy System
    5 วัน left
    ยืนยันแล้ว

    ... 1. System Overview The energy system under consideration consists of: • Grid Connection: Allows for buying and selling energy. • Battery Storage: Acts as a short-term energy buffer. • Fuel Cell: Converts hydrogen into electricity during demand peaks (Smooth behavior) • Electrolyzer: Produces hydrogen using excess electricity. • Hydrogen Tank: Stores hydrogen for long-term energy needs. 2. Model Predictive Control Framework Controllers • A centralized MPC controller will coordinate the operation of all subsystems. • Decentralized controllers may be used for local management of individual components. ** System Model • The system model will include: o Battery Dynamics: State of Charge (SoC), charging/discharging power limits, effici...

    $46 Average bid
    $46 การประมูลเฉลี่ย
    18 คำเสนอราคา

    ...condition: Need to charge two separate single cell battery of 2000mah via USB charging of around 5V 3A. - For each individual cell, the max charging voltage should be 4.2V and the maximum charging current for each battery should be 1A. - The code should allow for automatic initiation of the charging process. - Enable cell balancing to maintain cell voltage equality. - Implement fault recovery (e.g., reduce current, stop charging). - Adjust charge current/voltage based on: Temperature (via NTC pin), Input power availability. - Read system status flags - Experience with Arduino and BQ25887 IC is essential. Ideal Skills: - Proficiency in Arduino programming. - Prior experience with BQ25887 USB charging IC. - Knowledge of lithium-ion battery charging and management. -...

    $309 Average bid
    $309 การประมูลเฉลี่ย
    15 คำเสนอราคา

    ...operates manually. I want to modify the design to include a stepper motor for automated rotation and add a compartment to house electronic components (boards, battery, etc.). Additionally, I need some aesthetic and structural changes to improve the design. Required Modifications Add a Stepper Motor: Attach the stepper motor to the back of the design. The motor body should be screwed to the body of the dispenser. Connect the motor shaft to the wheel using a 5mm flange to enable rotation of the dispensing mechanism. Add a Compartment: Create a compartment with dimensions 20cm x 10cm x 5cm to house: Circuit boards Electronic components Battery Ensure the compartment is easily accessible for maintenance. if you have knowledge on Arduino UNO and electronic components, making ...

    $26 Average bid
    $26 การประมูลเฉลี่ย
    29 คำเสนอราคา

    *** OVERVIEW *** - Ten US dollars per hour. - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microchip. - You do *not* need any experience with microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, circuit design, or Python. - If Freelancer.com prevents you from bidding on this project or if you want to avoid “spending” one of your Freelancer bids you can apply "passively” for this project by pasting "MicroPython_ESP32_11_September_2019" into your Freelancer profile. Please see the section below in this posting called *** APPLYING "PASSIVELY" *** for more information. *** LOCATION *** You must live the Weste...

    $5 / hr Average bid
    $5 / hr การประมูลเฉลี่ย
    17 คำเสนอราคา

    ...Speaker to alert (85 Db) on Gas leakage Low battery warning Support 230 V 50 Hrtz electricity input Should have Type C plug for India users. Intuitive Design Include automatic battery backup in case of power cuts. Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas. Low warm up time (<1 Minute) Reboot system button LED with Alarm indicator, state indicator and power/low battery indicator. Type 2: Gas leak detector with Mobile App Ability to detect LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc. Alarm in case of Gas leakage. Digital readout of the GAS concentration Speaker to alert (85 Db) on Gas leakage Low battery...

    $316 Average bid
    $316 การประมูลเฉลี่ย
    9 คำเสนอราคา
    ESP32 C3 LED Control & Monitoring App
    4 วัน left
    ยืนยันแล้ว

    I need a mobile app for both iOS and Android that interfaces with my ESP32 C3 on a PCB. The ESP32 controls a simple LED and a timer turning the LED on and off. The app should display the LED status and timer countdown using a combination of text and graphics. Specific requirements: - The app should be able to control multiple sensors, primarily a load cell. - Ideal skills for the job include experience in mobile app development, particularly with iOS and Android, and familiarity with ESP32 microcontrollers. - A background in designing graphical user interfaces (GUIs) to display real-time data would be highly beneficial. The goal of this project is to create an interactive and user-friendly app that allows for real-time monitoring and control of the LED and the loa...

    $541 Average bid
    $541 การประมูลเฉลี่ย
    69 คำเสนอราคา

    I need a skilled professional to convert my PCB layout PDF into a schematic using KiCad or EasyEDA. Key Requirements: - PCB layout PDF: this is the source file - Proficiency in KiCad and/or EasyEDA - Experience in PCB design and schematic creation Please note, no specific component libraries need to be used. However, familiarity with standard libraries in KiCad or EasyEDA is a plus. The ability to work with other formats or software (like Altium Designer, Eagle, OrCAD) may be beneficial but is not required. NOTE : THIS PROJECT WILL BE AWARDED 100%

    $131 Average bid
    $131 การประมูลเฉลี่ย
    23 คำเสนอราคา

    ...Integration: • Enable personalized insights using AI for health improvement and activity optimization. Technical Requirements • Use the SDK provided by the smart ring manufacturer, which supports Flutter and both iOS and Android platforms. • Ensure secure storage and handling of health data, adhering to GDPR standards. • Provide real-time data syncing from the ring to the app, with efficient battery usage. Design Expectations • Clean, modern, and intuitive UI/UX design. • Focus on user-friendly navigation and visually appealing charts. Future Scalability • The app should be built to accommodate future updates, such as advanced AI features and expanded third-party integrations. This app aims to provide users with a seaml...

    $8337 Average bid
    $8337 การประมูลเฉลี่ย
    64 คำเสนอราคา

    I need a simple and minimal iOS app to monitor my PCB running an ESP32 C3 controller. The task is straightforward: the PCB turns on an LED and starts a countdown. Once the countdown is complete, the LED turns off. Key Requirements: - The app should communicate with the ESP32 C3 over Wi-Fi. - The interface needs to be simple and minimal, in line with Apple's design philosophy. - The app should be developed exclusively for the iOS platform. Ideal Skills and Experience: - Proficient in iOS app development, with a portfolio of simple and minimal apps. - Familiarity with Wi-Fi communication protocols for IoT devices. - Prior experience working with ESP32 C3 controllers will be a plus.

    $500 Average bid
    $500 การประมูลเฉลี่ย
    38 คำเสนอราคา

    ...Applications with real-time data synchronization ### Knowledge Areas 1. Architecture Patterns - Clean Architecture - MVVM or similar patterns - Repository pattern - Service locator pattern 2. Security Best Practices - Authentication flows - Data encryption - Secure storage - API security 3. Performance Optimization - Load time optimization - Memory management - Battery efficiency - Network optimization ## Project Scope ### Core Features to Implement 1. Authentication System - Multi-role user management - Profile management - Access control - Session management 2. Property Management - Property CRUD operations - Unit management for complexes - Document management - Image handling - Location services 3. Tenant M...

    $433 Average bid
    $433 การประมูลเฉลี่ย
    14 คำเสนอราคา

    I am seeking a freelancer who can assist me with PCB soldering projects. I will provide the schematic and diagram for each project. Ideal Skills: - Proficient in soldering mixed components (both through-hole and surface-mount) - Able to work with provided schematics and diagrams - Experience in PCB assembly Requirements: - Provide necessary components and PCB - Help source some components if needed. I am looking for a long-term collaboration. The number of PCBs to be soldered will range from 1 to 100, depending on the project.

    $250 Average bid
    $250 การประมูลเฉลี่ย
    15 คำเสนอราคา

    AERL, an established lithium battery storage and sustainable energy solutions provider, seeks a complete website redesign of https://aerl.com.au. We're looking for a modern, professional design that reflects our innovative technology and market leadership. Requirements: Full custom design, no templates Mobile-first responsive design Modern UI/UX emphasizing our product line and technical capabilities Clear navigation structure for Products, Company, Professionals sections Emphasis on technical specifications and product documentation Interactive product showcase features Lead generation optimization Performance optimization for global access Deliverables: Complete production-ready website Source files Documentation Deployment instructions Selection Criteria: Portfolio of ...

    $125 Average bid
    แนะนำ การันตี

    I'm in need of a versatile, functional case for my SquaryFi. This case should not only offer protection but also come with additional features to enhance usability. Key Requirements: - The case needs to have a built-in battery. The capacity of this battery should be around 5000mAh. This will allow for extended use of the SquaryFi without needing to plug it into a wall outlet. Ideal Skills and Experience: - Product design and development - Experience with creating multi-functional cases - Knowledge about battery integration and capacity planning - Understanding of protective case design - Ability to balance functionality with aesthetic design.

    $102 Average bid
    $102 การประมูลเฉลี่ย
    6 คำเสนอราคา

    Please review the provided videos and photos to familiarize yourself with our existing products. I aim to create a brand-new design that appeals to both young and middle-aged users, capturing their attention and admiration. Product Design Requirements: AA & AAA Lithium Battery Smart Charger with Storage Function 1. Product Functionality and Positioning Primary Purpose: Provide safe and efficient charging for 1.5V AA and AAA lithium batteries. Integrate charging and storage functions to address the lack of storage in current chargers. Target Users: Consumer Market: General households and personal users for daily use. Industrial Users: Professionals in fields such as instrumentation and equipment operations. Market Positioning: A mass-market product balancing practicality and ae...

    $509 Average bid
    การันตี ปิดผนึก
    Innovative Battery-Powered Hot Pack Design
    3 วัน left
    ยืนยันแล้ว

    I'm in the conceptual stage of designing a new, battery-powered hot pack aimed at replacing the traditional hot water-based packs used in clinics. Key Features of the Hot Pack: - It should utilize hot filament/tube based heating similar to oil-filled radiator heating pads, ensuring uniform heat distribution across the body surface. - The design must prioritize patient safety and compliance with medical standards. Scope of Work: - Product design: I need a professional who can assist in turning this concept into a feasible product. - Patent filing: It's crucial that we protect this unique idea, so I require assistance in filing for the necessary patents. - Manufacturing processes: Your expertise will be needed to develop a plan for how to manufacture this hot pack at scale...

    $523 - $1046
    ปิดผนึก NDA
    $523 - $1046
    26 คำเสนอราคา
    Trophy icon Waste & Sustainability Schematic Design
    10 วัน left

    I'm in need of a waste and sustainability-themed schematic. This will serve as the basis for generating flyers, training materials, and other content. The primary purpose of the flyer is to educate multifamily management on the benefits that Advantage Waste can offer. Key Requirements: - The schematic should highlight the cost savings and efficient waste management solutions provided by Advantage Waste. - It should be designed primarily for a flyer, but versatile enough for other media. Ideal Skills: - Graphic Design - Environmental Awareness - Waste Management Knowledge - Cost Analysis Understanding - Educational Content Development

    $150 Average bid
    การันตี
    AutoCAD Schematic Creation from Patent
    หมดเขตแล้ว left

    Seeking an experienced CAD professional to create a detailed AutoCAD schematic from a provided patent application. Key Requirements: - Proficient in AutoCAD - Experience in CAD schematic creation - Attention to detail for comprehensive annotations Please note that there are no existing files or references available. The successful candidate will need to work solely from the patent application and provide detailed annotations throughout the schematic.

    $250 - $750
    แนะนำ เร่งด่วน ปิดผนึก NDA
    $250 - $750
    24 คำเสนอราคา

    ...Identification Systems. Maritime Communication Satellite communication (VSAT, Inmarsat) and GMDSS updates. Autonomous Vessels and ETO Role Managing electronic systems on semi-autonomous or fully autonomous ships. 6. Electrical Propulsion and Emerging Technologies Electrical Propulsion Systems Advances in podded propulsion systems and variable frequency drives (VFDs). Hybrid and Fully Electric Vessels Battery-powered ferries and hybrid energy systems. Managing energy efficiency and reducing greenhouse gas emissions. Fuel Cell Technology Hydrogen and ammonia fuel cells for maritime propulsion. Renewable Energy Integration Solar and wind power systems onboard ships. 7. Maintenance and Diagnostics Predictive Maintenance Tools Vibration analysis, thermal imaging, and real-time monitor...

    $135 Average bid
    $135 การประมูลเฉลี่ย
    27 คำเสนอราคา
    Trophy icon High-Converting GoHighLevel Website for Auto Repair Shop
    12 ชั่วโมง left

    ...our climate control services. Oil Changes: Keep your engine running smoothly with fast, affordable oil and filter changes. Tire Services: Includes tire rotation, alignment, and replacements. Check Engine Light Diagnostics: Expert diagnostics to identify and fix issues quickly. Suspension and Steering Repair: Smooth out your ride with expert suspension and alignment services. Battery Replacement: Reliable battery testing and replacements to keep you moving. CTA: “Need something not listed here? Call us to discuss your vehicle’s needs!” --- 4. Our Process Headline: “Auto Repairs Made Easy” Subheadline: “Here’s how we get you back on the road with confidence:” Steps: 1. Schedule Your Appointment: Book online or cal...

    $90 Average bid
    การันตี

    ...our climate control services. Oil Changes: Keep your engine running smoothly with fast, affordable oil and filter changes. Tire Services: Includes tire rotation, alignment, and replacements. Check Engine Light Diagnostics: Expert diagnostics to identify and fix issues quickly. Suspension and Steering Repair: Smooth out your ride with expert suspension and alignment services. Battery Replacement: Reliable battery testing and replacements to keep you moving. CTA: “Need something not listed here? Call us to discuss your vehicle’s needs!” --- 4. Our Process Headline: “Auto Repairs Made Easy” Subheadline: “Here’s how we get you back on the road with confidence:” Steps: 1. Schedule Your Appointment: Book online or cal...

    $139 Average bid
    $139 การประมูลเฉลี่ย
    71 คำเสนอราคา
    BMW E60 Remote Start System
    2 วัน left
    ยืนยันแล้ว

    I want to create a remote start system for my BMW E60. The system will use an esp32 c3 to communicate with my phone, and a arduino mega to handle the sensors,and everything else ( esp is only for comunication ). Once close, it should start the car. As a backup, it will use an R503 fingerprint sensor for authentication. The app is already made by me in thunkable Key components of the project: - mcp2515 to detect engine RPM and door status via bmw K-kan bus. - Arduino to check shifter position using a Hall sensor, engine RPM and handbrake signal to permit remote start. Communication: - The primary communication method will be Bluetooth Low Energy (BLE) to interact with my phone. I need someone who is: - Very active on freelancer or platforms like WhatsApp, Facebook, etc. - Willing...

    $167 Average bid
    $167 การประมูลเฉลี่ย
    21 คำเสนอราคา
    Orcad PCB Design Expert
    1 วัน left
    ยืนยันแล้ว

    I'm seeking a professional with expertise in Orcad for designing a PCB from captured schematic and BOM. Deliverable will be PCB design and manufacturing files.

    $113 Average bid
    $113 การประมูลเฉลี่ย
    29 คำเสนอราคา
    Voltage Hysteresis Effects on Lithium-Ion SOC
    1 วัน left
    ยืนยันแล้ว

    I'm seeking a comprehensive review that focuses on the impact of neglecting voltage hysteresis in the equivalent circuit model of lithium-ion batte...aspects of the project: - The review should primarily focus on how voltage hysteresis affects state-of-charge optimization. - The review should predominantly source information from academic journals, ensuring a high level of credibility and relevance. - The analysis should include, and be grounded in, mathematical modeling. Ideal skills and experience for the job include: - Strong background in battery technology and lithium-ion batteries. - Proficiency in mathematical modeling. - Excellent research skills, particularly in sourcing and synthesizing information from academic journals. - Experience in writing comprehensive and co...

    $100 Average bid
    $100 การประมูลเฉลี่ย
    45 คำเสนอราคา

    As explained and agreed upon, let work together to complete the schematic and Schematic and PCB development MX board. Please use all your skills and experience in this project to bring out a perfect product. Please discuss every detail with me.

    $104 Average bid
    $104 การประมูลเฉลี่ย
    1 คำเสนอราคา

    I'm looking for an expert in lithium-ion battery modeling to conduct a comprehensive review of the impact of neglecting voltage hysteresis in the equivalent circuit model. The focus will be primarily on: - Assessing the accuracy of the equivalent circuit model - Evaluating the impact of voltage sources The final goal is to understand how these factors affect parameter estimation and state-of-charge optimization when using a Genetic Algorithm. Your bid will be evaluated based on your expertise in equivalent circuit models, specifically with lithium-ion batteries, and your proficiency in utilizing Genetic Algorithms for optimization. A strong background in electrical engineering and battery technology will be a significant advantage. Please include relevant samples of ...

    $105 Average bid
    $105 การประมูลเฉลี่ย
    19 คำเสนอราคา
    Arduino-based Dual Voltage Monitor
    1 วัน left
    ยืนยันแล้ว

    I'm seeking a skilled developer to create an Arduino-powered network voltage monitor for specific battery-operated devices. This project involves designing a device that can monitor dual DC battery inputs, typically in the range of 30-60v DC. The device should also be powered by Power Over Ethernet (POE). Key Requirements: - The monitor must have web browser-based access for live data monitoring. Compatible with iOS and Mac. - It should be capable of dual voltage monitoring (with a voltage range of 30-60v DC) and potentially dual current monitoring for two DC battery inputs (with a maximum draw of 10 amps). - Experience with Arduino and network-based projects is a must. - The web browser-based access must also include functionality to change the IP address/subne...

    $319 Average bid
    $319 การประมูลเฉลี่ย
    61 คำเสนอราคา

    I'm in need of a circuit board designed to continuously monitor the voltage of a battery bank comprising 24 cells. This circuit board should have the following features: - Real-Time Display: The circuit should have a digital readout for real-time monitoring of the battery voltage. The readout should be clear and easy to interpret. The ideal freelancer for this job should have a solid background in electronics and circuit design, and experience with creating circuit boards for battery monitoring. They should also be able to create a digital readout that is user-friendly and reliable. It should be rotable for finding individual cells voltage as and when required

    $91 Average bid
    $91 การประมูลเฉลี่ย
    13 คำเสนอราคา
    Embedded Software Engineer for ATSAM & ATMEGA
    19 ชั่วโมง left
    ยืนยันแล้ว

    I'm in need of an experienced embedded software engineer to assist in the development of software for an ATSAM and ATMEGA microcontroller. The primary focus of this project is to implement functionalities for a Battery Management System (BMS). Key Responsibilities: - Implement communication protocols (I2C and CAN) - Develop embedded software for sensor data collection and motor control BMS Features to be Developed: - Battery monitoring - Charge/discharge control - Balancing management Ideal Skills & Experience: - Extensive experience with ATSAM and ATMEGA microcontrollers - Proficient in I2C and CAN communication protocols - Prior experience with developing embedded software for BMS - Strong skills in motor control and sensor data collection software development.

    $27 / hr Average bid
    NDA
    $27 / hr การประมูลเฉลี่ย
    25 คำเสนอราคา
    Luxury Hotel Interior Architecture Support
    14 ชั่วโมง left

    ...in various aspects of my projects. Key Areas of Assistance: - 3D modeling of lamps, furniture, and architectural designs using ArchiCAD. - Creating comprehensive technical drawings that include detailed fabrication drawings and annotated elevations of each wall. This role will require support across different project phases: - Concept Design: Developing initial layouts and visual concepts. - Schematic Design: Refining designs, creating detailed layouts, and specifying materials. - Construction Documentation: Producing full technical documentation for contractors. This includes 3D visuals, detailed drawings, and annotations. Ideal Skills and Experience: - Proficiency in Building Architecture, Interior Design, and 3D Rendering. - Extensive experience with AutoCAD and 3D Modeling...

    $18 / hr Average bid
    $18 / hr การประมูลเฉลี่ย
    38 คำเสนอราคา
    Consumer Electronics Circuit Board Design
    5 ชั่วโมง left

    I'm in need of a circuit board & Flex PCB Style wiring for a lithium battery pack design. Specifically for a custom battery pack for electronics installed into a harsh environment. The main function of this circuit board is to provide a fuse and diode to ensure the each battery pack does not discharge in event of different voltage, but it must also physically easy to manufacture the battery pack. Key requirements: - Expertise in designing circuit boards for consumer electronics - Proven experience with power management circuit boards - Ability to design for low power specifications Skills and experience that would be advantageous: - Creativity in designing efficient power management solutions I have attached a word document which outlines my initial...

    $297 Average bid
    $297 การประมูลเฉลี่ย
    45 คำเสนอราคา

    Please do not apply if you understand the following. [ Purpose ] : My Brushless ESC integrated to Flight Controller(FC) is lower curr...to Flight Controller(FC) is lower current than 20A. I want to use independent another 40A ESC without any modification of Brushless ESC integrated to Flight Controller. [ Connection Diagram ] Brushless 20A ESC integrated to FC -> out signal(three phase power) of ESC -> Module (need to develop) -> pwm signal(+5v) -> ESC 40A -> output signal -> Brushless motor [ Todo list ] : 1. Schematic(Arduino and so on) and Firmware, Technical Document for Converting Input Signal to Output Signal - Input Signal : Output signal(three phase power) of one Drone Brushless ESC - Output Signal : Control Signal(PWM/+5v) to control...

    $373 Average bid
    $373 การประมูลเฉลี่ย
    13 คำเสนอราคา
    PCB Review for Industrial Machinery
    4 ชั่วโมง left
    ยืนยันแล้ว

    My PCB for industrial machinery has been failing and I need a professional to review my schematic and board layout files. The board is controlled by an ESP32 and displays via a Nextion on UART. Issues to Address: - Interference between components - Unexpected resets or failures - Communication errors with peripherals Measures Taken: - Shielding - Filtering - Grounding techniques - Decoupling - Suggestions for field wiring to board -component values -adding any protection components or change values I look forward to your expertise in identifying any potential issues that could cause my board to fail in this industrial setting.

    $98 Average bid
    $98 การประมูลเฉลี่ย
    14 คำเสนอราคา
    Android Foreground Service that handle restarts
    กำลังหมดเขต left

    I'm looking for a skilled Android developer to create a foreground service and restarts after being killed. This service is intended to log charging and discharging events and provide a continuous notification displaying live data when the battery reaches a critical level. You need to ensure the service complies with all Android background process policies. Key Requirements: - Expertise in Android app development, specifically with creating and implementing foreground services. - Understanding of Android's background process policies. - Ability to create ongoing notifications on the status of the service. - Experience with tracking and logging system events. Please ensure your bid reflects your understanding of these requirements and your ability to deliver.

    $18 Average bid
    $18 การประมูลเฉลี่ย
    3 คำเสนอราคา
    Expert Construction Estimator Needed
    หมดเขตแล้ว left

    ...task: Provide accurate and detailed cost estimates for residential low to mid-rise construction projects, ensuring the accuracy in quantity of the materials and scope of work based on RSmeans Your responsibilities will include: Preparing comprehensive take-off with Planswift Preparing comprehensive cost estimates for all stages of construction projects (conceptual, schematic, and detailed) based on RSmeans and real contractor price Analyzing blueprints, specifications, and project plans to determine material and labour costs. Coordinating with architects, engineers, and contractors to gather required project information. Researching and sourcing the most cost-effective materials and subcontractors. Identifying potential risks and preparing

    $608 Average bid
    $608 การประมูลเฉลี่ย
    28 คำเสนอราคา
    Modular Design for Sustainable Tropical Lodge
    หมดเขตแล้ว left

    ...following criteria: Factory-manufactured modules. Shipped and assembled on-site. Modules must align with the provided dimensions and structural requirements. Compliant with the AU/NZ Building Code. Able to withstand Category 4 cyclones and meet seismic design requirements for earthquake-prone areas like Tonga. Sustainability Integration Incorporate sustainable features, such as: Hybrid Solar & Battery energy systems (Site Location is at 21°08'41.4"S 175°11'36.5"W) Water management systems (e.g., rainwater harvesting, graywater reuse). Waste disposal solutions. 3D Renderings and Visualization Create sketches or 3D renderings to visualize the modular structure, including: Lodge design with rooms and verandahs. Café design with dining areas. ...

    $1071 Average bid
    $1071 การประมูลเฉลี่ย
    36 คำเสนอราคา