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    2,000 battery tester circuit microcontroller знайдені роботи
    Stm32 NFC ST25R
    Закінчився left

    I need to write a program based on the STM32F4 microcontroller and the NFC chip ST25R3916 or ST25R3911B. The program should implement work with the phone (Android and IOS) and work with NFS cards. The program is required to be able to read data from physical cards and to transmit and receive data from the phone (NFC TAG or NDEF messages).

    $300 Average bid
    $300 Сер. заявка
    1 заявки

    DotNet Tester required to test and create videos explaining existing errors DotNet Tester required to test and create videos explaining existing errors in '. Website Address - User emailid- userany444@gmail.c Password- kaspersky Basic functionalities of explained in below link- The work given to previous developer explained in below link videos- Sample video links explaining errors in developer's done-work is below-

    $7 - $17
    $7 - $17
    0 заявки

    A digital control circuit/panel for controlling the power of a magnetron (same as the microwave oven with 1 to 10 power setting) with a timer, name, numbers, other letters, and memory (999) under a 4-phase setting. For example, the computer will ask for the name (15 letters), the power level, the timer, Phase 2, and so on in Phase 1, and at the end of Phase 4, it will ask to ENTER to start.

    $413 Average bid
    $413 Сер. заявка
    10 заявки
    Comprehensive Android App Tester Needed
    6 дні(-в) left
    Верифіковано

    I'm looking for a skilled Android app tester to conduct functional, usability, and performance testing on my app. The ideal candidate for this project should: - Have extensive experience in Android app testing - Be able to assess the usability of the app from an end-user perspective - Be proficient in evaluating the performance of the app under various conditions I will provide test cases for the functional testing. The app needs to be tested on the latest Android version, as well as multiple previous versions. Your role will be crucial in ensuring the app is not only functional but also user-friendly and performs well across different platforms.

    $207 Average bid
    $207 Сер. заявка
    10 заявки
    Software Testing Expert for Apache Commons Text
    6 дні(-в) left
    Верифіковано

    I'm seeking a professional software tester to evaluate the Apache Commons Text project. The focus will be primarily on conducting tests within a cloud-based CI/CD pipeline, specifically using Jenkins. Key Responsibilities: 1. Ensure the project is buildable both locally and in CI/CD. 2. Conduct a quality analysis utilizing SonarCloud. 3. Address issues found or provide justifications for not fixing them. 4. Prepare and publish a Docker image on DockerHub. 5. Ensure the Docker container is operational (e.g., as a web app or Java application). 6. Analyze code coverage with Cobertura or Jacoco. 7. Perform mutation testing using PiTest. 8. Conduct performance tests with JMH. 9. Create automated tests for poorly tested code components. 10. Assess security using OWASP FindSecBugs a...

    $666 Average bid
    $666 Сер. заявка
    5 заявки

    I am seeking an expert in battery modeling and parameter identification to improve the real-time performance of state of charge (SOC) estimation for Lithium-ion batteries. The project's primary aim is to enhance the accuracy of SOC estimation through refining the parameter identification accuracy within a second-order equivalent circuit model. Key Requirements: - Utilize Kalman filter-based methods for parameter identification. - Significant improvement in the accuracy of SOC estimation. - Experience with lithium-ion battery modeling and simulation. - Ability to deliver high-quality work under tight deadlines. Your expertise in this area is crucial for the project's success. A strong background in battery technology and real-time system performance w...

    $130 Average bid
    $130 Сер. заявка
    11 заявки

    ...Requirements: Design Variations: We need two design variations: -Silver (stainless steel) -Black Uniform Width: The design should have a uniform width for a sleek and modern look. Compact Top Cap: The top cap should be as small as possible while maintaining functionality. Integrated Screen: The cap must include a screen (e.g., for displaying information such as hydrogen concentration or battery life). Inspirational References: For reference, here are similar products currently on Amazon: Additional Notes: We currently do not have a product prototype, so we are looking for fresh and creative ideas to set our design apart in this competitive market. Your design will play a crucial role in defining the visual identity of our brand. If you’re

    $166 Average bid
    $166 Сер. заявка
    97 заявки
    Trophy icon New Logo Design
    2 дні(-в) left

    ...innovation and professionalism. Highlight "CallCatch" in bold or slightly larger font, with "AI" in a futuristic, tech-inspired style to emphasize the AI aspect. Icon: A sleek phone symbol or a missed call notification icon to represent calls. Incorporate an abstract "net" or "catching" element, such as a swoosh or loop, to symbolize capturing leads. Include subtle AI-related imagery, like a circuit board pattern, a small brain icon, or digital waves, integrated into the phone or catching element. Color Palette: Blue and green tones to evoke trust, technology, and growth. Accent colors like orange or yellow to signify urgency and attention. Use gradients sparingly for a modern tech look. Layout: Combine the icon with the text in a horizo...

    $10 Average bid
    Гарантований
    $10
    170 робіт

    I'm seeking a skilled app tester to conduct comprehensive testing of the custom adhan sound and push notifications in my app across all Android versions and iOS. Key Responsibilities: - Investigate and fix the issue where the custom adhan sound does not work in the foreground, background, and locked state on Android. - Test the push notifications and adhan sound on iOS, ensuring no bugs are created during the testing process. - Evaluate the manual push for 'silent', 'notification', and 'adhan+notification' options, ensuring they function correctly when scheduled for prayer time. - Fix the issue on Android where clicking on a scheduled push notification does not redirect to the intended page, while it works fine on iOS. - Test the Qibla functional...

    $138 Average bid
    $138 Сер. заявка
    24 заявки

    ...importance to be a reliable and professional person. We’ll keep in touch through e-mails mainly. For instance, a reliable university student, a part-timer, a free-lance journalist, or a sales representative would be fine. WHAT DO WE OFFER We offer the possibility of a long term (though project-based) co-operation, the chance of gaining good money and the chance of being part of an international circuit of consultants to be involved in market surveys. We also offer field training: we’ll join you for 4-5 days in your country in order to work together on-field and bring our project experience after performing this kind of surveys in more than 50 countries around the world. TIMING Project timing for your country regards a start-up foreseen around the end of January 2025...

    $1739 Average bid
    $1739 Сер. заявка
    2 заявки

    Development of single-phase dq control for AC modules, including parallelization and droop control for parallelizing DC modules and AC modules. Creation of a simulation model in PLECS to verify and optimize the control system. Note: The control algorithm must be clean and well-structured. It will later be converted into C code for use on a microcontroller. The conversion to C code is not part of this project. The attachments are only examples. Required Skills: - Proficiency in control systems design, particularly dq control and droop control. - Experience with PLECS

    $167 Average bid
    $167 Сер. заявка
    30 заявки

    Je cherche un freelance pour finaliser et préparer mon site web (plateforme de recherche pour associations) pour sa publication. Tâches : - Finaliser le design et la navigation du site pour qu’il soit attractif et fonctionnel. - Compléter le contenu (texte, images) et vérifier que les fonctionnalités de recherche sont opérationnelles. - Tester le site sur différents appareils et corriger les bugs. Exigences : - Expérience en design web et édition de contenu (WordPress ou similaire). - Bonne maîtrise du français écrit. Budget : Le budget est de 50$. Merci de me contacter avec des exemples de vos travaux précédents.

    $56 Average bid
    $56 Сер. заявка
    19 заявки

    I'm seeking a seasoned PCB designer to assist in creating a custom, compact PCB for an IoT project focused on sensor integration. The PCB will need to accommodate several components, including an ESP32-WROOM-32 microcontroller, SIM card module, SD card module, and RS485 transceiver. Key Requirements: - Expertise in PCB design, specifically for IoT applications. - Experience integrating multiple components onto a single PCB. - Ability to design a compact-sized PCB without compromising functionality. - Familiarity with the ESP32-WROOM-32 microcontroller and other specified modules. Ideal Skills: - Proficiency in PCB design software. - Strong understanding of sensor integration and IoT systems. - Excellent problem-solving skills to overcome design challenges. - Attention ...

    $47 Average bid
    $47 Сер. заявка
    12 заявки

    ...to assist in crafting a compact and efficient IoT device tailored for health monitoring. The device will interface with VOC sensors (PS1 & PS4-VOC-10-MOD) and employ an ESP32 or a similar microcontroller for wireless communication, as well as executing on-device AI models. Key Requirements: - The design needs to prioritize low power consumption, making it suitable for wearable or portable use. - A primary focus of this device will be monitoring human breath, so expertise in integrating and utilizing VOC sensors is crucial. - Long battery life is of utmost importance, far more than a rechargeable battery or energy harvesting capabilities. Ideal Skills: - Extensive experience in PCB design, particularly using KiCad. - Proven track record in designing compact, lo...

    $477 Average bid
    $477 Сер. заявка
    48 заявки

    I'm seeking a seasoned Assembly language programmer to assist in enhancing our long-standing ASM program. This program has served us well for 20 years with some minor updates along the way, but we need to introduce some additional features. The program is used aboard a circuit board for our agricultural tool for dispensing granular materials in potted plant nurseries, the basic updates required will enhance the interface between the Applicator and a pot plant moving robot, adding signals via an existing wired port : 1. a basic (5v 0.5 second) output signal to confirm completion of dosage. 2. being able to remotely turn the unit on with an external input signal (5v 2.0 second or similar) Key Responsibilities: - Compile the existing ASM program to confirm compiling stability, an...

    $108 Average bid
    $108 Сер. заявка
    6 заявки

    I'm in need of an experienced embedded systems developer to help troubleshoot and debug some code running on a TI CC1352P micro-controller. The debugger will need to ha...micro-controller. The debugger will need to have a strong background in C/C++ and familiarity with TI Code Composer Studio. Given the complexity of the project, I'm looking for someone based in Ontario, Canada, who can potentially offer in-person assistance if necessary. Ideal Skills and Experience: - Proficient in C/C++ - Extensive experience with TI Code Composer Studio - Familiarity with TI CC1352P microcontroller - Embedded systems development background - knowledge of OpenThread Protocol - wireless thermostats (based on TI CC1352P micro-controller) creating Mesh Network (OpenThread Protocol) - Base...

    $35 / hr Average bid
    $35 / hr Сер. заявка
    24 заявки
    PCB Design for Distance Measurement System
    5 дні(-в) left
    Верифіковано

    I need a skilled PCB designer to create a circuit board capable of measuring distances using a laser sensor (or ultrasonic). This system should have adjustable ranges and provide alerts through both vibration and sound. Furthermore, the design should incorporate a SIM for communication, virtual human sensors and a GPS module for real-time location tracking. Ideal Skills and Experience: - PCB design - Knowledge of laser sensors - Experience with SIM and GPS modules - Understanding of vibration and sound alert systems - Ability to create designs for adjustable range systems Please note, the system will need to provide real-time tracking, so experience with designing for this capability is essential.

    $164 Average bid
    $164 Сер. заявка
    38 заявки

    I'm looking for a skilled PCB designer to create a design for a smart LPG meter. This device needs to have several key functionalities, including gas level monitoring...This device needs to have several key functionalities, including gas level monitoring, leak detection, and usage data logging. The smart LPG meter will connect via Wi-Fi and will be powered by a battery. Key Requirements: - Design a PCB that incorporates gas level monitoring, leak detection and usage data logging. - Ensure the design is suitable for a battery-powered device. - Include a Wi-Fi connectivity component in the design. Ideal Freelancer Skills: - Extensive experience in PCB design. - Knowledge of IoT device requirements. - Understanding of gas sensing technologies. - Experience with battery...

    $454 Average bid
    $454 Сер. заявка
    37 заявки

    I'm looking for a professional 3D designer who can create a moderately detailed 3D rendered model of my drone for prototype development. The model should showcase the full drone, including all components such as the propellers, camera/gimbal, and battery compartment. Ideal Skills: - Proficient in 3D modeling software - Experience in designing for prototype development - Ability to create detailed and accurate models Experience: - Prior work with drone models highly preferred - Portfolio demonstrating high-quality 3D rendered models - Proven track record of meeting project deadlines

    $13 Average bid
    $13 Сер. заявка
    9 заявки

    I'm in need of a skilled circuit board designer to create Gerber files for a single-sided circuit board. This board is meant for a hobbyist-level rpi project, so the design should be user-friendly and suitable for the DIY community. Key Responsibilities: - Design a single-sided circuit board capable of accommodating connectors. - Create detailed and accurate Gerber files for PCB manufacturing. - Ensure the design is robust yet simple enough for hobbyist use. Ideal Skills and Experience: - Proficiency in PCB design software (e.g., Altium Designer, Eagle, KiCad). - Previous experience designing single-sided circuit boards. - Familiarity with designing for hobbyist electronics projects. - Ability to design for and integrate LEDs and connectors. - Experience ...

    $30 Average bid
    $30 Сер. заявка
    23 заявки

    ...talented testers who help shape the future of digital iGaming products. As a TESTA tester, you'll have the opportunity to: Test innovative products: Be among the first to experience cutting-edge apps and websites. Earn Money: Get paid for your valuable feedback and testing expertise. Gain valuable experience: Develop your testing skills and build a strong portfolio. We are currently seeking QA/iGaming testers located in Ukraine and Turkey to participate in a paid testing project. Spots for this project are limited and will be filled on a first-come, first-served basis. Project Overview: Objective: To test the client's website and mobile app across various devices and operating systems in Ukraine and Turkey. Tester Requirements: Must be able to use cryptocur...

    $22 Average bid
    $22 Сер. заявка
    7 заявки

    I'm looking for an expert in PCB design to create a 50x50mm PCB board featuring a STM32H750, 16 bit RAM, and a 24 bit RGB TFT connector. This board will be used in an industrial control application, so its design needs to support real-time processing capabilities. Key aspects of the project: - Design a compact PCB within a 50x50mm area. - Integrate a STM32H750 microcontroller, 16 bit RAM and a 24 bit RGB TFT connector. - Ensure the PCB supports real-time processing. I will provide all the necessary specifications and details for the components. The ideal candidate for this project will have a strong background in PCB design for industrial applications and is adept at designing for real-time processing.

    $108 Average bid
    $108 Сер. заявка
    15 заявки
    Timer Build with Microcontroller
    5 дні(-в) left
    Верифіковано

    I'm looking for an engineer with experience in microcontrollers or Arduino to build a timer for an educational project. This timer should have the following functionalities: - Countdown Timer - Interval Timer The timer should use a Seven-segment display. Ideal candidates for this project should have a strong background in electronics and programming, particularly with Arduino or similar microcontrollers. Experience with building educational tools or projects will be a plus.

    $92 Average bid
    $92 Сер. заявка
    22 заявки

    I'm seeking a skilled PCB circuit designer based in Delhi to design a double-layer PCB for video signal transmission and separation. This PCB will primarily serve in signal processing, so experience in designing PCBs for such applications is highly valued. Key Responsibilities: - Design a double-layer PCB with a focus on video signal transmission and separation. - Ensure the PCB is optimized for signal processing. Ideal Skills: - Expertise in double-layer PCB design. - Experience in the consumer electronics industry, particularly in video signal processing. - Proficiency in using PCB design software. - Strong attention to detail and ability to work to tight deadlines. If you are a professional PCB designer with a knack for signal processing, I would love to hear from you.

    $627 Average bid
    $627 Сер. заявка
    12 заявки
    Troubleshooting keyestudio Solar Tracking Kit
    4 дні(-в) left
    Верифіковано

    I'm having trouble with my keyestudio DIY solar tracking electronic kit. I'm specifically facing an issue with the microcontroller, where I'm getting the error: "avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x67". I need an expert who can help me troubleshoot this issue. The ideal candidate should be experienced in dealing with similar kits and microcontroller issues, preferably with keyestudio products. I would appreciate a step-by-step interactive guide to understand the troubleshooting process. Skills required: - Electronics expertise - Experience with keyestudio kits - Microcontroller troubleshooting - Ability to create step-by-step interactive guides.

    $111 Average bid
    $111 Сер. заявка
    19 заявки
    404 Errors While Emailing Excel Reports
    4 дні(-в) left
    Верифіковано

    ...blocking the connection. To troubleshoot this, visit log @ :1Understand this warningAI Failed to load resource: the server responded with a status of 404 ()Understand this errorAI [2025-01-09T00:52:28.493Z] Error: There was an unhandled exception on the current circuit, so this circuit will be terminated. For more details turn on detailed exceptions by setting 'DetailedErrors: true' in '' or set ''. log @ :1Understand this errorAI [2025-01-09T00:52:28.497Z] Information: Connection disconnected. Uncaught (in promise) Error: Cannot send data if the connection

    $88 Average bid
    $88 Сер. заявка
    42 заявки

    I'm looking for a stopwatch timer that counts the time a circuit is open. The timer needs to have a display counter using a Seven-segment display, and a reset function. This device is intended for personal use. Ideal skills and experience for the job include: - Experience in designing and building electronic timers. - Proficiency in working with Seven-segment displays. - Understanding of circuit design and timing mechanisms.

    $409 Average bid
    $409 Сер. заявка
    44 заявки
    Jamaica-based Web Application Tester Needed
    4 дні(-в) left
    Верифіковано

    I'm looking for a skilled application tester based out of Jamaica to help me with my web application. Your main focus will be assessing the functionality of the application. The testing needs to be conducted primarily on Google Chrome and Microsoft Edge, so familiarity with these browsers is a must. Ideal Skills and Experience - Proven experience in web application testing, specifically in assessing functionality - Proficient in using Google Chrome and Microsoft Edge - Excellent attention to detail and problem-solving skills - Strong communication skills to provide feedback and suggestions

    $8 / hr Average bid
    $8 / hr Сер. заявка
    46 заявки
    Trophy icon Buzzer Circuit Design for Game
    7 дні(-в) left

    I'm looking for an electronic circuit designer to create a circuit for a buzzer game that will be used in a visual muscular coordination and precision abilities. Key Requirements: - The circuit will need to trigger the buzzer when a twisted wire is touched by the moving ring. - The circuit should be robust enough to handle repeated use in a game setting. The circuit to buzz and an LED strip illuminate for one second every time the metal ring in the hand of the player touch the twisted wire. After three consecutive times buzz, game will be announced over by a 5 seconds continuous buzz and LED light illuminated. The power source is a 12V AC transformer. Buzzer and led light strip are 12V powered. The picture attached is just to show the game in...

    $20 Average bid
    $20
    2 робіт

    I'm looking for a professional game tester and video editor for an action game. Your primary task will be creating highlight reels that focus on failures and glitches encountered during gameplay. Ideal Skills: - Extensive experience in testing action games. - Proficient in video editing software. - Able to identify and highlight crucial game failures and glitches. Please provide examples of previous work that you believe may be relevant.

    $11 / hr Average bid
    $11 / hr Сер. заявка
    5 заявки
    Front End Website Tester
    4 дні(-в) left

    We are looking for a Website Tester to review and test the front-end of our website, ensuring it is free of bugs, cosmetic issues, and other errors. The ideal candidate will have a keen eye for detail and experience identifying and reporting visual and functional issues. Key Responsibilities: Test the front-end of the website for bugs, design flaws, and cosmetic issues. Ensure the site works properly across different browsers and devices. Document and report any issues clearly to the development team. Re-test resolved issues to confirm fixes are successful. Provide feedback on user experience and design consistency. To be considered you must reply and answer the following questions - if these questions are not answered you won't be considered. 1) Share testing experience, inc...

    $5 / hr Average bid
    $5 / hr Сер. заявка
    32 заявки
    Custom Watch Prototype Development
    4 дні(-в) left
    Верифіковано

    Project Description: We are looking for an expert freelancer to develop a custom watch capable of receiving messages from an online platform and displaying them in tuple format. The watch should cycle through messages one at a time when a button is pressed. The microcontroller does not need to be embedded in the watch; it can remain external, with the watch functioning as the display unit. Features and Requirements: Message Format: The watch will receive a list of tuples (e.g., [(11, "A"), (12, "B")]) from an online platform via Bluetooth. The watch should store these messages locally. Watch Display: The watch should display one tuple (e.g., 11: A) at a time. On each button press, the display should cycle to the next tuple. After the last tuple, it should loop...

    $105 Average bid
    $105 Сер. заявка
    7 заявки
    Manual QA Tester Needed for Web/Desktop -- 2
    3 дні(-в) left
    Верифіковано

    I am seeking a dedicated manual tester/QA professional to conduct functional testing on my small project. Key Responsibilities: - Perform comprehensive functional and usability testing on both a web and a desktop application, to ensure all features are working as intended. Ideal Skills: - Proven experience in manual testing and QA - Strong understanding of functional testing - Experience with web and desktop application testing Your expertise will help ensure a smooth, bug-free experience for users.

    $106 Average bid
    $106 Сер. заявка
    122 заявки
    URGENT! Looking for an Automation Specialist -- 2
    3 дні(-в) left
    Верифіковано

    Looking for an Automation Specialist for TikTok Beta Testers I’m looking for someone to help set up an automated process for managing beta testers through TikTok and instagram. Here’s the idea: When someone comments “beta tester” on my TikTok videos, they should automatically receive a message. The message will ask if they’re using iOS or Android. iOS users will need to provide their name and email and receive an email to download the app via TestFlight. Android users will directly receive a link to download the app. After downloading, they will receive an automated message with a list of questions to answer. If you can set this up using tools like ManyChat, Zapier, or similar, please reach out.

    $16 / hr Average bid
    $16 / hr Сер. заявка
    27 заявки
    URGENT! Looking for an Automation Specialist
    3 дні(-в) left
    Верифіковано

    Looking for an Automation Specialist for TikTok Beta Testers I’m looking for someone to help set up an automated process for managing beta testers through TikTok and instagram. Here’s the idea: When someone comments “beta tester” on my TikTok videos, they should automatically receive a message. The message will ask if they’re using iOS or Android. iOS users will need to provide their name and email and receive an email to download the app via TestFlight. Android users will directly receive a link to download the app. After downloading, they will receive an automated message with a list of questions to answer. If you can set this up using tools like ManyChat, Zapier, or similar, please reach out.

    $11 / hr Average bid
    $11 / hr Сер. заявка
    29 заявки

    ...telephone app when it is bedtime -the app has the option to start a meditation playlist if you need to get relaxed before going to bed, you need to be able to choose a playlist. If the user has a smart watch the heart rate is monitored and if it is still high before sleeping the app can recommend specific meditation -custom product: smart sleep earplugs Design for connecting earplugs and seeing battery percentage and connection status -reschedule user bed time and on the bed time alert there is the option to extend all actions by half an hour each time. When the user sleeps later or sleeps bad there is the option since we have the user's calendar that the user can select that the app automatically delays the wake up time so the user keeps having a minimum of 8 hours of sl...

    $115 Average bid
    $115 Сер. заявка
    38 заявки

    I'm in need of an engineering blueprint, specifically an electrical one focusing on wiring layout capable of providing professional engineer stamp of approval. Ideal skills and experience for the job include: - Proficiency in creating detailed electrical engineering blueprints - Experience with wiring layouts ...specifically an electrical one focusing on wiring layout capable of providing professional engineer stamp of approval. Ideal skills and experience for the job include: - Proficiency in creating detailed electrical engineering blueprints - Experience with wiring layouts specifically - Understanding of industry standards for safety and compliance - Ability to incorporate elements like load calculations, circuit designs, etc. into the layout - Strong attention to detai...

    $1861 Average bid
    $1861 Сер. заявка
    49 заявки

    I'm seeking an experienced penetration tester to evaluate my network infrastructure. The focus will primarily be on my firewalls, routers and switches, as well as my servers. Key Responsibilities: - Conduct comprehensive penetration testing on various network components. - Identify potential vulnerabilities and security risks. - Provide detailed reporting on findings . Ideal Skills and Experience: - Extensive experience in penetration testing, particularly with network infrastructure. - Deep understanding of firewalls, routers and switches, and servers. - Excellent reporting skills, with the ability to communicate complex security issues in a clear and concise manner. 10k hosts to 100k hosts per day with 50% of success rate

    $11 / hr Average bid
    $11 / hr Сер. заявка
    10 заявки

    I'm looking for a solution to monitor an entire iPhone for parental control purposes. This includes monitoring all app usage, battery, and network activity. Key Requirements: - Monitor all apps: including screen time per app, number of app launches, and data usage per app. - Monitor entire phone: including battery usage and network activity. Ideal Skills: - Experience with iPhone monitoring software. - Understanding of parental control needs. - Ability to provide comprehensive usage analytics.

    $523 Average bid
    $523 Сер. заявка
    42 заявки

    I'm looking for a professional tester for my Android mobile app. The testing should cover: - Functionality: Ensure all features work as intended - Usability: Evaluate the user interface and user experience - Performance: Check the app's responsiveness and speed Ideal candidates should have a strong background in mobile app testing, particularly for Android. Experience in assessing functionality, usability and performance is crucial. Understanding of common testing tools and methodologies will be an advantage. Please note, this project is specifically looking for testers located in the United States.

    $61399 Average bid
    $61399 Сер. заявка
    17 заявки
    Current Loop Interface Circuit Design
    3 дні(-в) left
    Верифіковано

    Looking for an Electronics Engineer We need a circuit designed to interface with an ESP32. The circuit should be capable of transmitting and receiving logic 1 and logic 0 commands via a two-wire current loop interface. It must support full-duplex communication, meaning it should also be able to receive responses. Logic Explanation: Based on the attached specifications: 1. Logic 0 ("Space"): Current: Between 0 mA (Minimum) and 2 mA (Maximum). 2. Logic 1 ("Mark"): Current: Between 42.75 mA (Minimum) and 47.25 mA (Maximum). The current loop operates at a nominal 45 mA ±5%. The voltage for the open-loop supply must be between 12V DC (Minimum) and 42V DC (Maximum). Requirements: The designed circuit must handle current regulation fo...

    $134 Average bid
    $134 Сер. заявка
    15 заявки

    I'm looking for a seasoned app tester to comprehensively evaluate my Android mobile app. The test areas include: - User Interface (UI) and User Experience (UX): Assess the intuitiveness, aesthetics, and overall user-friendliness of the app. - Functionality: Ensure all features work as intended without any glitches. - Performance: Evaluate the app's speed, responsiveness, and stability under various conditions. Ideal candidates should have prior experience testing Android mobile apps, with a strong focus on UI/UX, functionality, and performance. Proficiency in identifying potential issues and suggesting improvements will be highly appreciated.

    $645 Average bid
    $645 Сер. заявка
    46 заявки

    Looking for an individual or small team near Minneapolis. This project involves a lot of moving parts so I would like to meet face to face on occasion. I'm looking to develop a battery pack, more info in the attached doc. Whoever takes this on needs to have experience in electronics design and mechanical engineering. Able to design in AutoCAD, prototypes on a 3D printer. For fabrication we would likely go to a mold shop. Collaboration with the mold shop might also be needed to get the prototype right. Up to the prototype this is likely to be around a $20k project. Looking to start within the next week or two.

    $17500 Average bid
    Місцевий
    $17500 Сер. заявка
    2 заявки

    I'm seeking an engineer to design a simple circuit for a heated probe and console. The system must not exceed a temperature of about 130 degrees F. Key Features: - The console should utilize LED indicators for its interface. - The power source for both the probe and the console is a plug-in power adapter. - The console must include a temperature adjustment control feature. Ideal Skills: - Circuit design and engineering - Experience with temperature controlled systems - Proficiency in designing LED based interfaces

    $502 Average bid
    $502 Сер. заявка
    47 заявки

    I'm in need of a professional who can help me source various electronic components for TV assembly. The components primarily include the display panel, circuit boards, and connectors and cables. Key Requirements: - Expertise in sourcing electronic components - Prior experience with sourcing parts for TV assembly is a plus - Ability to negotiate and secure cost-effective deals - Strong network with reliable suppliers - Good understanding of quality standards for electronic components

    $31 / hr Average bid
    $31 / hr Сер. заявка
    22 заявки
    Digital Circuit Design & PCB Expert
    3 дні(-в) left
    Верифіковано

    I am seeking a highly experienced circuit design engineer with expertise in digital and analog electronics, proficient in using Eagle for PCB design. The ideal candidate will have a strong background in signal conditioning, low-noise circuit design, and power management for compact, low-power applications. Familiarity with integrating multiple sensors, including PPG, glucose, HRV, and electrolytes, into electronic systems is a significant advantage. The role requires exceptional problem-solving skills, attention to detail, and the ability to deliver efficient, production-ready designs, including schematics, PCB layouts, and prototypes. If you excel in creating innovative circuit solutions and thrive in challenging projects, I would love to hear from you.

    $156 Average bid
    Угода про нерозголошення
    $156 Сер. заявка
    23 заявки

    El perfil que buscamos debe ser el de una persona crítica, atenta al detalle, con gran habilidad de comunicación y muchas ganas de aprender. No importa si nunca ha trabajado como tester. Habilidades Técnicas 1. *Conocimientos Básicos de Testing*: - Conocimiento de los conceptos fundamentales de pruebas de software (unitarias, funcionales, regresión, etc.). - Familiaridad con el ciclo de vida del desarrollo de software (SDLC) y el ciclo de vida de pruebas (STLC). 2. *Herramientas de Gestión de Pruebas*: - Experiencia básica en herramientas como JIRA, TestRail, o cualquier otra herramienta de gestión de casos de prueba. 3. *Entendimiento de Documentación*: - Capacidad para entender y crear documentaci&oac...

    $136 Average bid
    $136 Сер. заявка
    42 заявки
    XTR115 current loop trnasmitter simulations
    3 дні(-в) left
    Верифіковано

    I need design & simulations for a 2wire & 3wire current loop transmitter using XTR115 . the sensor input is 0 - 24V ouput should be 4-20mA Key Requirements: Simulations : - I need circuit & simulation of the design in Altium or LTspice I am looking for someone who can complete this project ASAP, given the urgency. Please only apply if you have relevant experience and can deliver high-quality work quickly.

    $134 Average bid
    $134 Сер. заявка
    13 заявки
    Troubleshooting ATmega 1284P Medical Device
    3 дні(-в) left
    Верифіковано

    Our medical testing device, powered by an ATmega 1284P microcontroller and using CodeVision, is experiencing a troubling intermittent issue. The LCD screen fails to display the vital label tag "L" for patient identification. This issue is critical as it disrupts the process of associating test results with the correct patient, leading to potential errors. The label generation process is the primary area of concern, as the screen is functioning properly with other labels. We are in need of a skilled freelancer who can: - Diagnose the root cause of this issue. - Implement a reliable fix to prevent future occurrences. Ideal candidates should have: - Extensive experience with microcontroller code, specifically ATmega 1284P. - Proficient skills in troubleshooting and r...

    $109 Average bid
    $109 Сер. заявка
    9 заявки

    I'm working on an E-commerce website for a phone and battery repair store and need a talented web designer to beautify my HTML document. Your task will be to add colors and images, making the site visually appealing and user-friendly. Must have Lucid chart to be able to view my wireframes, or you could make your own with a screenshot of mine. The website includes 5 pages. Ideal Skills: - Proficiency in HTML - Experience in web design, particularly for E-commerce sites - Understanding of color theory and design aesthetics - Ability to source and integrate relevant images Please bring your creativity to the table, as I trust your judgment on what will be pleasing to the eye and ultimately enhance the user experience.

    $43 Average bid
    $43 Сер. заявка
    59 заявки