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Circuit Design is the process of designing electrical circuits to create a complete electronic system. A Circuit Designer is responsible for designing circuits, testing the board and components through simulations, troubleshooting any errors, and even prototyping the board by manufacturing a few before completing the entire circuit accurately. Through this intricate process, a Circuit Designer will be able to optimize the design with their expertise and creative talent to push out an efficient product.

Circuit Designers are knowledgeable engineers with a high level understanding of electronics engineering and components that can be used in a circuit. They also possess analytical skills as they must be able to calculate loads, power consumption and sophisticated circuit architecture that involves cause and effects to produce sound results. With extensive knowledge of hardware engineering, Circuit Designers are responsible for hardware selection, board sizing, and routing of signals.

Here's some projects that our expert Circuit Designer made real:

  • Automation systems built through electronic schematics
  • Electrical systems concepted through hand sketches
  • PCB designs implemented through industry standard software
  • High level radio networks designed through detailed concept papers
  • Power efficient circuits delivered with noise reduction features

These projects use both beginner and advanced electrical engineering techniques that our expert Circuit Designers are capable of delivering. With creativity, knowledge in engineering disciplines and product optimization experience, our Circuit Designers create reliable and innovative solutions for our clients’ projects.

We invite you to post your project on Freelancer.com so you can experience what our group of expert Circuit Designers have to offer. With their strong background in electronics engineering and creative problem solving, our freelancers can create dependable and optimized circuits for your project.

Từ 37,370 nhận xét, các khách hàng đã đánh giá Circuit Designers 4.81 trên 5 sao.
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    PLC Programming for Electrical Engineering 6 ngày left
    ĐÃ XÁC THỰC

    I require a skilled electrical engineer who is experienced in PLC programming to develop new PLC programs for my project. Key Requirements: - Proficient in electrical engineering concepts - Experienced in PLC programming - Capable of developing new PLC programs The successful candidate will be able to translate my requirements into effective PLC programs that can be implemented for the project. Your expertise in electrical engineering, combined with your knowledge of PLC programming, will be crucial to the success of this project.

    $180 (Avg Bid)
    $180 Giá đặt trung bình
    7 lượt đặt giá
    Living Room Electrical Troubleshooting 6 ngày left
    ĐÃ XÁC THỰC

    I require an adept electrician to address persistent electrical issues in my living room. Specifically, I am experiencing an annoying issue of frequent circuit breaker trips. The services I require encompass electrical troubleshooting and possible rewiring of the affected areas. Ideal skills and experience: - Proficiency in identifying and fixing electrical faults - Extensive experience in electrical troubleshooting - Ability to safely and efficiently rewire electrical systems if necessary - Familiarity with circuit breakers and ways to prevent their frequent tripping Understanding of local electrical codes will be a plus. Please detail your experience in your proposal.

    $23 (Avg Bid)
    $23 Giá đặt trung bình
    12 lượt đặt giá
    iOS App for Dehumidifier Control 6 ngày left
    ĐÃ XÁC THỰC

    I am looking for someone to build a wifi controller for a dehumidifier which has a wired remote control with an LCD display and which will allow to remotely turn on/off the device as well as up or down the desired humidity level. There are 4 separate buttons to physically press on the remote to do this: 1. turn on 2. enter settings 3. press up (increase humidity) 4. press down (reduce humidity). A wifi module would therefore need to be added to the remote control which should enable me to control the dehumidifier using an app on my Iphone. I would send you the wired remote by courrier so you can add the wifi module and you ship it back to me. link to the item :

    $193 (Avg Bid)
    $193 Giá đặt trung bình
    9 lượt đặt giá

    I'm creating a short-distance fiber optic link—specifically for data transfer between my locations less than a km apart. • Job Requirements: - Proficiency in fiber optics, and data transport systems - Capability to provide a solution capable of transmitting data efficiently - A comprehensive understanding of fiber optic design, particularly for multimedia data over short distances • Desired Experience & Skills: - Updated on the latest in fiber optic technology and best practices - A proven track record of successful similar short-range fiber optic link design - Demonstrable experience in effectively transferring multimedia data across locations. The end goal is an efficient, robust, and seamless data transfer Link, so experience in ...

    $26 / hr (Avg Bid)
    $26 / hr Giá đặt trung bình
    10 lượt đặt giá

    I'm seeking an electrical engineer skilled in circuit design for consumer electronics. I want to design the schematic for a buck converter based on the Integrated circuit i chosed.

    $28 (Avg Bid)
    $28 Giá đặt trung bình
    16 lượt đặt giá

    I am in need of an experienced Electrical Engineer with a specialty in Combinational Logic. The key tasks for this project will be: - Circuit design with emphasis on combinational logic - System integration capabilities - Comfortable undertaking troubleshooting Your primary role will be implementing Boolean expressions with advanced complexity. You should be experienced with large circuits including multiple components. Ideal Skills: - Circuit Design - System Integration - Troubleshooting - Proficient with advanced Boolean expressions - Experienced with large circuits This project will require a niche set of skills in dealing with combinational logic. If you believe you're a right fit, I encourage you to submit a bid.

    $169 (Avg Bid)
    $169 Giá đặt trung bình
    19 lượt đặt giá

    I am in need of a skilled professional who can help me create schematic diagrams for educational purposes. The work will involve: - **Creating Schematic Diagrams**: I need help with creating Schematic Diagrams for educational purposes that would give a basic overview of the system with major components. - **Detailing**: The level of detail required is to provide an overview and include major components. Detailed component specifications and values are not necessary. Ideal candidate for this project: - **Electrical Engineering Background**: You should have a strong background in electrical engineering to accurately depict the systems and components in the schematic diagrams. - **Experience in Creating Schematic Diagrams**: Prior experience in creating schematic diagrams is a plus. - **At...

    $25 (Avg Bid)
    $25 Giá đặt trung bình
    7 lượt đặt giá

    I'm seeking a skilled professional to help me design a unique watch that will include a date, time, and moon phase display. The watch should be designed to run on a battery-powered system, and the display should be either a paper or LCD screen. Key requirements: - **Display:** The watch should feature a paper or LCD display that can show the date, time, and moon phase. The size of the display will be determined by the type of screen you select; please consider the optimal size for viewing these details. - **Power Source:** The watch should operate solely on battery power. - **Moon Phase Feature:** One of the key features of the watch is the moon phase display. This should be accurate and easy to see. Ideal Skills and Experience: - Previous experience in designing custom watches ...

    $76 (Avg Bid)
    $76 Giá đặt trung bình
    11 lượt đặt giá

    I am seeking a skilled craftsman to create a visually stunning, mysterious and intriguing dress featuring autonomously moving metal snake scales. This project is uniquely engaging and will require someone with specialism in electrical engineering and a sense of creating something new. Key Project Requirements: - Scales must have the ability to move up and down independently, soft and constant movement is crucial to achieve the intended atmosphere. - It needs external batteries, possibly small enough to fit in a dress. It is not required to run for very long. - Since the installation is autonomous, no interactivity is required. It needs to continue its movement pattern regardless of nearby activities or conditions. - I would like to be taught more than anything, I will pay but I would li...

    $74 (Avg Bid)
    $74 Giá đặt trung bình
    17 lượt đặt giá
    Expert in Power Factory and Electronics 5 ngày left
    ĐÃ XÁC THỰC

    I'm looking for an experienced professional in Power Factory and Electronics. The project will involve a mix of tasks such as circuit design, power system analysis, PCB layout design, as well as potentially designing a circuit, simulating power systems, and developing control systems. Ideal Skills and Expertise: - Proficiency in Power Factory and Electronics - Prior experience in circuit design, power system analysis, and PCB layout design - Capability to undertake tasks related to designing circuits, simulating power systems, and developing control systems. - Strong problem-solving ability The task involves working on a project where knowledge and expertise in Power Factory and Electronics is crucial. The right candidate should be able to provide support in a wide range of tasks a...

    $100 (Avg Bid)
    $100 Giá đặt trung bình
    8 lượt đặt giá

    I'm seeking a skilled PCB circuit designer to create a digital circuit f. The primary function of the circuit is PWM Motor Speed Control Key requirements: Input supply voltage: DC 2.5V-25V The maximum output power: 350W The maximum continuous output current :15A The overload and short circuit protecting current is 25A PWM frequency: 25-30kHz Duty Cycle adjustable: 0-100% The operation environment temperature:-20℃-40℃ Ideal freelancer would have: - Proven experience in digital PCB circuit design - Strong knowledge of signal amplification principles - Familiarity with radio technology and its requirements - Ability to optimize circuits for low gain

    $59 (Avg Bid)
    $59 Giá đặt trung bình
    14 lượt đặt giá

    More details: What is the purpose of the electronic circuit you need designed and constructed? Product test per an engineering specification. What specific engineering specification do you need the product to be tested against? Response to small driver signal, 415mA base with +/-5mA, +/-10mA, +/-15mA, +/-30mA sinusoidal oscillations at 1Hz, 10 cycles per amplitude. How soon do you need your project completed? ASAP

    $2357 (Avg Bid)
    $2357 Giá đặt trung bình
    7 lượt đặt giá

    I am in need of a compact PCB design for a relay bank. The primary application of this relay bank is for industrial control, so the design needs to be both efficient and reliable. Key requirements: - The relay bank should be small in size, while still accommodating 6 triggers at 230 volts. - The design must include a dry switch rated at 13 Amps. - The PCB must be designed with the intention of obtaining CE certification. Ideal skills for this project include: - Proficiency in PCB design, particularly for high voltage applications. - Experience in designing for industrial control applications. - Knowledge of CE certification requirements for PCBs. It's crucial that the design be not only functional but also compliant with CE standards. I look forward to working with a professional...

    $318 - $955
    Niêm phong
    $318 - $955
    26 lượt đặt giá

    I am in need of an experienced hardware engineer, fully versed in circuit design and PCB layout. My aim is to develop a novel product. To meet the project objectives, the following experience and skills are critical: - Proficiency in circuit design - Expertise in PCB layout - Experience in working with Microcontrollers Understanding the intricacies of Microcontrollers is key as they are the central component for the new design. Efficiency, attention to detail and creativity in your approach will significantly contribute to the success of this innovative product design.

    $282 (Avg Bid)
    $282 Giá đặt trung bình
    14 lượt đặt giá
    ESP32 IoT Circuit and PCB Design 3 ngày left
    ĐÃ XÁC THỰC

    I'm in need of an electronic circuit and PCB designer proficient in working with ESP32 based microcontrollers, particularly for IoT applications. The project involves creating an efficient, compact, and robust PCB design that supports Wi-Fi connectivity. Key Requirements: - Proficiency in ESP32 based microcontroller design - Prior experience with IoT applications - Familiarity with designing for low power consumption - Expertise in creating compact PCB layouts - Ability to design a PCB for a rugged environment Your expertise in these areas is crucial, as the final product should be both functional and durable. If you're confident in your ability to deliver a high-quality electronic circuit and PCB design for an ESP32 based microcontroller, I'd love to hear from you.

    $126 (Avg Bid)
    $126 Giá đặt trung bình
    22 lượt đặt giá

    I'm in need of an experienced Analog Circuit Designer to assist with the conceptual design and simulation of a prototype. - The purpose of this project is to develop a prototype, not for research or educational purposes. - I'm currently in the initial stage of prototype development, so we're focusing on conceptual design. - The major components of the analog circuit I need assistance with are transistors and timers. - I have a preliminary reference circuit whose functionality to be replicated with equivalent circuit. Ideal candidates should: - Have prior experience in analog circuit design for prototype development. - Be proficient in using simulation tools. - Have a solid understanding of transistors and timers. - Possess strong problem-solving skills.

    $155 (Avg Bid)
    $155 Giá đặt trung bình
    8 lượt đặt giá

    I'm looking for an expert in PCB design and fabrication to create a custom controller for my shop. The primary objective of this task is automating some key processes, with a special emphasis on security. Below are the specifications for the PCB controller: • Automation of the security system: This project requires designing a custom PCB controller which will integrate with various elements of the security system for automation. • Incorporation of alarm systems: The controller should easily synchronize with alarm systems, enabling automated responses in case of triggered alerts. • Seamless integration with access control systems: I wish to automate the access system in my shop, hence the PCB controller must be compatible with modern digital access mechanisms. &bull...

    $171 (Avg Bid)
    $171 Giá đặt trung bình
    11 lượt đặt giá
    Electronics Design Assistance Needed 3 ngày left
    ĐÃ XÁC THỰC

    I'm currently in the design phase of an electronics project and require an electrical engineer with a specialization in electronics to assist me. Key Tasks: - Design Assistance: I need help with designing various electronic components of the project. This requires high-level knowledge of electronics, particularly on how to integrate circuits and make them work seamlessly. Ideal Skills and Experiences: - Expertise in Electronics Engineering: A deep knowledge of electronics is essential for this role. You should have experience working on similar projects and be able to demonstrate a strong understanding of electronic design principles. - Circuit Design Skills: Experience in designing complex circuits is a plus. You should be able to handle the intricacies that come with designing th...

    $445 (Avg Bid)
    $445 Giá đặt trung bình
    37 lượt đặt giá
    Digital Electronics Project 3 ngày left
    ĐÃ XÁC THỰC

    I'm in need of an expert in digital electronics to assist in a project of mine. The specifics of the project, including whether it involves circuit design, PCB layout, or microcontroller programming, we can discuss in further detail. Key requirements: - Proficient with digital electronics and related technologies - Experience with either circuit design, PCB layout, or microcontroller programming - Ability to collaborate effectively and share project files as needed Your role will be instrumental in the success of this project, and I am looking for someone with a proven track record in this field. Let's connect and discuss the project further.

    $28 (Avg Bid)
    $28 Giá đặt trung bình
    14 lượt đặt giá

    I'm in need of a skilled electronic circuit and hardware engineer to help me with the design and selection of components for a project. The project involves the creation of a power supply, an analog digital converter, and a relay. Key Responsibilities: - Circuit design: I need help with creating the circuit for the mentioned components. This includes ensuring the circuit is efficient and functions as intended. - Component selection: I'll require assistance in selecting the right components for the circuit. It's crucial to choose components that are of high quality and fit the project's requirements. The ideal candidate for this job should have a solid background in electronic engineering, particularly in circuit design and component selection. Experience with power s...

    $491 (Avg Bid)
    $491 Giá đặt trung bình
    32 lượt đặt giá
    Digital Circuit to Proteus Transformation 3 ngày left
    ĐÃ XÁC THỰC

    I have a digital circuit design in PDF format that I need converted into a Proteus Professional circuit diagram. This project only involves the conversion of the existing design into a circuit diagram within Proteus; no simulation or testing is required. Key Requirements: - Convert an existing digital circuit design in PDF format into a Proteus Professional circuit diagram. - Ensure that the circuit diagram accurately represents the original design. Ideal Freelancer: - Experienced with Proteus Professional software. - Proficient in digital circuit design. - Capable of accurately translating circuit design from PDF format to Proteus.

    $26 (Avg Bid)
    $26 Giá đặt trung bình
    22 lượt đặt giá

    I'm in the process of developing a new power electronics product for industrial use. The current stage of development is in the prototype phase. For this project, I need a skilled professional who can help me with the following: - PCB Prototyping: I require assistance with the creation of the PCB for this new product. This includes the manufacturing of the board itself. - Creation of Test Plans: I need an expert who can help me create comprehensive test plans for this new product. This includes both hardware and software testing. Experience in creating test plans for electronics, would be highly beneficial. - Final Testing & Validation: Once the PCBs are produced and the test plans are in place, I would need a professional who can assist me in the final testing and validation...

    $7 / hr (Avg Bid)
    $7 / hr Giá đặt trung bình
    11 lượt đặt giá
    Signal Processing Circuit Board Design 2 ngày left
    ĐÃ XÁC THỰC

    I'm in need of a skilled circuit board designer that can create the and design the Greber file for me, I need to send the files to the manufacturing compony. My project contains few components only. SAM D11C 14-pin chip, 3 LEDS, Battery holder, and a reset switch. The "j2" pads are for programming the chip, Gnd, power, and clock. The 2 antennas traces are connected to analog pins A2 and A4. LEDs are connected to digital pins 24,25,31. the reset button to RST pin of course. For the 4 programming pads. Gnd and Power goes to Gnd and VDD pins in the chip, For the clock, I'm not shire which pins. layout size : 10 cm by 5.398 cm

    $162 (Avg Bid)
    $162 Giá đặt trung bình
    23 lượt đặt giá

    I'm looking for a skilled electrical engineer who can help me with the design of a high-torque electric motor for a cart. Key tasks involved in the project will include: 1. Electrical System Analysis: Understanding the system needs and constraints to design an effective electric motor. 2. Circuit Design: Developing a circuit that will be optimal for the high-torque motor. 3. Troubleshooting and Repair: Providing solutions to potential problems experienced during testing and implementation of the design. The electric motor design needs to account for the following specifications: - Power Rating - Speed - High Torque Engineers with experience in design and development of high-torque electric motors will be preferred. A strong understanding of both theoretical knowledge and practica...

    $84 (Avg Bid)
    $84 Giá đặt trung bình
    2 lượt đặt giá
    RFID PCB and Efficiency Optimization 1 ngày left
    ĐÃ XÁC THỰC

    I'm looking for a skilled individual to design a PCB and program a chip for our RFID system. The focus of this project is on two key aspects: - **Wireless Connectivity**: Your expertise in designing wireless systems is crucial for this project. The RFID system needs to communicate with our central hub seamlessly, so ensuring a reliable wireless connection is a priority. - **Energy Efficiency Optimisation**: The system to be developed should be as power-efficient as possible. We need the RFID system to function optimally while conserving energy, ensuring long-term sustainability and performance. **Specifics of the Project**: The project is specifically for an RFID system, which comes with unique challenges and requirements. Since the system will not require encryption for secure dat...

    $162 (Avg Bid)
    $162 Giá đặt trung bình
    14 lượt đặt giá

    Se trata del desarrollo de un sistema electrónico de control, basado en Raspberry para la lectura de sensores (Spo2, PH, temperatura, espuma, etc) y el control de sistemas de (calentamiento, bombeo ingredientes, agitación, bombeo aire) , utilizará una tablet y un panel de Thingsboard como interfaz de control y monitorización. El trabajo consiste en el diseño de una PCB de integración modular de los elementos y la programación del sistema de control así como las pruebas y puesta en marcha.

    $6326 (Avg Bid)
    $6326 Giá đặt trung bình
    9 lượt đặt giá
    HART Protocol Integration for RF Components 1 ngày left
    ĐÃ XÁC THỰC

    I'm in need of a seasoned engineer to implement the Highway Addressable Remote Transducer (HART) protocol within a new RF control system. This protocol implementation will primarily serve to monitor Radio Frequency (RF) components used in aerospace. To be successful in this endeavor, you should possess the following: - understanding and practical experience with HART protocol HW and SW design and development - Familiarity with aerospace RF components and systems (minimal - I'll be doing the RF/microwave system design) - Ability to build a uP control system from the ground up - Extensive experience in device monitoring, end to end HART transmission and reception Understanding of both transmitters, sensors, and valve positioners in context with HART devices would be beneficial....

    $5714 (Avg Bid)
    $5714 Giá đặt trung bình
    9 lượt đặt giá

    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 with LiF...

    $300 (Avg Bid)
    $300 Giá đặt trung bình
    7 lượt đặt giá
    AC-DC Converter Design Expert 20 giờ left
    ĐÃ XÁC THỰC

    I am seeking a skilled and experienced Switch Mode Power Supply (SMPS) design engineer. For my particular project, we will focus on AC-DC converters and should, therefore, possess specific expertise in switching regulation topology. Here's what I need: - Mastery in designing AC-DC converters utilizing switching regulation - Ability to design a converter with power output less than 100 Watts - Experience with power electronics and circuit design Your background should demonstrate relevant projects you've completed that are particularly linked to the aspects mentioned. Your strategic and innovative thinking will be highly valuable to create efficient and powerful designs.

    $322 (Avg Bid)
    $322 Giá đặt trung bình
    11 lượt đặt giá

    Requirement: Project completed in KICAD ONLY. I need help routing an allwinnder D1 SoC to DDR3 RAM and rout the PMICs. You should be proficient in length matching and proper KiCad design. You must review the schematic to ensure there are no issues before you start routing. I'm seeking a proficient PCB designer with experience in KiCad for the development of a multilayer circuit board intended for consumer electronics. Key Points: - The project involves the creation of a multilayer PCB targeted for consumer electronics. Prior experience in this field would be highly advantageous. - Proficiency in KiCad is essential. Prior experience working with KiCad for multilayer PCB designs is a must. - You should have a good understanding of the manufacturing process for consumer electronics P...

    $474 (Avg Bid)
    $474 Giá đặt trung bình
    44 lượt đặt giá
    Circuit Schematic 16 giờ left
    ĐÃ XÁC THỰC

    I need a circuit schematic for the attached circuit

    $26 (Avg Bid)
    $26 Giá đặt trung bình
    31 lượt đặt giá
    Multi-layered Analog PCB Prototype Design 15 giờ left
    ĐÃ XÁC THỰC

    I am seeking an experienced PCB designer to create a functional prototype design of a multilayer PCB primarily composed of analog components. The main aim is to validate the functionality of the design. Key Tasks and Responsibilities: - PCB Design and testing: The prototype's design should allow for rigorous testing of its functionality. - Component selection: Predominantly analog components will be used in the design. - Creating documentation: Comprehensive documentation must be provided detailing the logic behind the selection and arrangement of components. Ideal Experience and Skills: - Previous experience in multilayer PCB projects - Confident and competent working with analog components - Proficiency in PCB design and prototyping software - Strong knowledge in testing me...

    $163 (Avg Bid)
    NDA
    $163 Giá đặt trung bình
    23 lượt đặt giá

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