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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 36,638 nhận xét, các khách hàng đã đánh giá Circuit Designers 4.82 trên 5 sao.
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    AC Electrospinner Research and Development 6 ngày left
    ĐÃ XÁC THỰC

    In this project, you will help to assemble components into an alternating current electrospinner. Seeking an electrical engineer with expertise in high voltage electrical systems and components, use of waveform generators and oscilloscopes, and prior involvement in projects with electrically connected, mechanically moving parts. We have tools to wind our own transformers and plan to use custom 3D printed multi-section bobbins. We have a preliminary circuit diagram for your review. Your role will be to evaluate this, either approve or suggest improvements, and help with executing assembly and troubleshooting during bring-up. The ideal candidate will have a track record of designing and fabricating custom equipment. Familiarity with safety standards for high voltage is essential. We value ...

    $31 / hr (Avg Bid)
    $31 / hr Giá đặt trung bình
    7 lượt đặt giá
    Control Systems 6 ngày left

    Like this, but with simple additions

    $12 (Avg Bid)
    $12 Giá đặt trung bình
    8 lượt đặt giá
    Compact Capacitive Touch PCB Design 6 ngày left
    ĐÃ XÁC THỰC

    I'm seeking a skilled PCB designer to create a capacitive touch PCB using KiCad. The design must be compact, fitting within the dimensions of less than 5cm x 5cm. Key Project Requirements: - PCB Size: The project requires a compact design with a size less than 5cm x 5cm. - Application: The PCB will be utilized in consumer electronics, so knowledge of consumer electronics and their requirements is a plus. Ideal Skills and Experience: - Proficiency in KiCad and PCB design - Previous experience designing capacitive touch PCBs, particularly for consumer electronics - Ability to create compact PCB designs - Excellent understanding of touch point integration - Strong communication skills to discuss project specifics and provide updates

    $13 (Avg Bid)
    $13 Giá đặt trung bình
    5 lượt đặt giá

    I have a requirement for an engineer experienced in PCB design, specifically for RC devices. Specifically, I need: - A design that incorporates motor control for a brushless DC motor used in an RC - Understand the intricacies of designing RC device circuits - Skilled experience with brushless DC motors is particularly sought after Please take note, designs involving battery management system or wireless communication are not required for this particular project. I am solely focusing on the motor control aspect of the PCB design. Your past experience and understanding of brushless DC motor control will be crucial for the successful completion of this project. I look forward to seeing your proposals and detailed plans for this project.

    $98 (Avg Bid)
    $98 Giá đặt trung bình
    18 lượt đặt giá
    PCB Designer for Prototype Conversion 6 ngày left
    ĐÃ XÁC THỰC

    We are looking for a PCB designer with intermediate to expert experience to convert a working prototype using a Linux based Development Board. The candidate should have a strong understanding of PCB design principles, The project involves analyzing the existing prototype, designing a PCB layout. The PCB designer should have knowledge of circuit design, PCB layout tools, and be able to deliver high-quality designs within the given timeline. Skills required: - PCB design - Circuit design - PCB layout tools -KiCad

    $511 (Avg Bid)
    $511 Giá đặt trung bình
    21 lượt đặt giá

    As a Senior Digital Design Engineer, I'm recruiting a highly experienced individual to work on a complex hardware design project. You must have substantial expertise in hardware design, and a particular strength in RTL Design. Key Responsibilities: - Contribute to the development of new hardware products - Undertake top-level design tasks - Engage in RTL design work Key Skills: - Expertise in hardware design - Specific strength in RTL Design - Proficiency in FPGA programming - Strong understanding of PCB layout Experience: - Minimum 5 years of experience in digital design engineering - Previous work on hardware products development - Familiarity with full digital design cycle The ideal candidate for this role will be an experienced digital design engineer with specific expertise i...

    $35 / hr (Avg Bid)
    $35 / hr Giá đặt trung bình
    11 lượt đặt giá

    I'm looking for a skilled electronics engineer to design an Automotive coolant quality checking sensor. This sensor will be specifically installed in the vehicle's coolant reservoir. Key Features I Need: - Detection of coolant temperature. - Measurement of coolant pH level. - Evaluation of coolant conductivity. Skills and Experience: The ideal freelancer for this project should have the relevant skills and experience in sensor engineering, specifically relating to automotive systems. A strong understanding of sensor data and information processing is crucial. Experience in designing and executing sensor prototypes, with a focus on accurate measuring of temperature, pH and conductivity is key. I'm looking for a professional who can provide practical solutions resulting in a...

    $77 (Avg Bid)
    $77 Giá đặt trung bình
    5 lượt đặt giá
    Custom Strain Gauge Load Cell PCB 6 ngày left
    ĐÃ XÁC THỰC

    We are seeking a skilled PCB board developer and user interface designer to create a custom PCB board for controlling a load cell and LCD screen. The PCB board should integrate button-based user controls and provide a user-friendly interface for displaying information. The ideal candidate will have expertise in PCB design, microcontrollers, and user interface design. The project will involve the following tasks: - Designing and developing a PCB board for controlling a load cell and LCD screen - Integrating button-based user controls for easy operation - Creating a user interface to display information in a clear and intuitive manner Required skills: - PCB design - Microcontroller programming - User interface design.

    $16 / hr (Avg Bid)
    $16 / hr Giá đặt trung bình
    23 lượt đặt giá
    Double-Sided PCB Design from Schematic file 5 ngày left
    ĐÃ XÁC THỰC

    I am seeking a proficient PCB designer to create a double-sided PCB design from a given SCH file. The design must not use any SMD. Input Header J7 is a 4-pin male header of 2.54mm each and connections PIN1 and PIN3, Output Header J10 is a 4-pin male header of 2.54mm each and connections PIN1 and PIN4, The power input header J6 is a 6-pin male header of 2.54mm each and connects on PIN1 - +36V and PIN3 - (-36V), PIN4- (-15V) and PIN6 +15V. The TIP35C and TIP36C both share the same HEAT SINK of 75mm x 75mm with the fan. The BC239 and BC240 both are on separate heat sinks of 25mm x 25mm without fans. The final product should be a fully functioning double-sided PCB design of 115mm x 225 mm and 4 mounting holes at the corners. Required GERBER files and Material List Here is the PNG ...

    $101 (Avg Bid)
    $101 Giá đặt trung bình
    20 lượt đặt giá
    PCB Firmware Extraction & Layout Revision 5 ngày left
    ĐÃ XÁC THỰC

    I'm on the hunt for a talanted engineer who can assist with extracting the firmware from a PCB board, and subsequently revise the layout. This dual-faceted project will involve: - Extracting the existing PCB firmware. Experience with similar projects is very much preferred. - Revising the current PCB layout. This revision will not include any new component additions, but will call for redesigned circuit paths and repositioning of existing components. Ideal candidates for this job should have a solid background in electrical engineering and firmware development, with extensive prior experience in PCB design and layout revision. If that sounds like you, I'd love to hear from you.

    $477 (Avg Bid)
    NDA
    $477 Giá đặt trung bình
    17 lượt đặt giá

    For this highly specific and technical project, I am looking for an experienced antenna engineer with proficiency in HFSS and CST Microwave Studio. The focal point of this is a precise design for - Transmission lines - Patch antennas - Stripline I already have a design realized, simulated and measured. I would like a technical opinion (technical report) on an LC circuit and antenna square spital at 115 MHz in FR-4 substrate, as well as detailed physical interpretation of S-parameters and design geometry equation. Required skills and experience include: - Extensive experience designing with HFSS and CST Microwave Studio - Solid background in Electromagnetic Theory - Proven record in designing patch antennas and stripline - Demonstrable knowledge in designing transmission lines

    $12 / hr (Avg Bid)
    $12 / hr Giá đặt trung bình
    15 lượt đặt giá

    For this highly specific and technical project, I am looking for an experienced antenna engineer with proficiency in HFSS and CST Microwave Studio. The focal point of this is a precise design for - Transmission lines - Patch antennas - Stripline The purpose of which is essentially for effective data transfer. The hired freelancer must exhibit a strong understanding of electromagnetic theory and its application to antenna designs and transmission lines. Required skills and experience include: - Extensive experience designing with HFSS and CST Microwave Studio - Solid background in Electromagnetic Theory - Proven record in designing patch antennas and stripline - Demonstrable knowledge in designing transmission lines The goal is to construct an efficient antenna design for communicatio...

    $510 (Avg Bid)
    $510 Giá đặt trung bình
    20 lượt đặt giá

    I'm looking for an EasyEDA expert to design a double-layer PCB for me. My main objectives are to optimize the circuit layout and improve space efficiency. Key Responsibilities: - Utilize EasyEDA to design a functional and efficient double-layer PCB. - Optimize circuit layout for improved performance. - Enhance space efficiency on the board. The project is mid-level in complexity, similar to Arduino-based projects. As such, I need someone with a proven track record in this area. I'm aiming for a quick turnaround, so the ability to work efficiently and effectively is paramount.

    $58 (Avg Bid)
    $58 Giá đặt trung bình
    11 lượt đặt giá

    I'm seeking a talented and experienced Altium designer to create a professional schematic for a LM51772 Power Management PD with USB 3.1 output. Key Responsibilities: - The schematic should be detailed and include all components and connections. - It should be fully annotated with specifications and part numbers, ensuring that it meets IPC standards for professional documentation. - Small Form Factor: The final design needs to be compact and space-efficient. - Specific Parts: I'll need the design to make use of the XAL1010 inductors and a Cypress MCU for I2C controlled loop functionality. Ideal Skills and Experience: - Proficiency in Altium Designer software is essential. - Previous experience with power management circuits and USB 3.1 integration is highly desirable. - A stro...

    $139 (Avg Bid)
    $139 Giá đặt trung bình
    25 lượt đặt giá

    I'm seeking an experienced professional with a strong background in layout design based in SAN JOSE, CALIFORNIA and environs. In this job you will be working with a world class team of engineers to develop novel SoC products for connectivity and communications. You will be responsible for IC layout of analog/mixed-signal, RF, and digital designs in CMOS technologies. Attention to detail and technical skills without losing overall perspective is key. Key Responsibilities 1. Hierarchical floor planning, supply/interconnect planning, die size estimation. 2. Layout of block and top-level cells in deep sub-micron CMOS technologies. 3. Improving the flows related to the development and debug of large SOC layouts. 4. Work closely with design engineers and digital counterparts developing ...

    $45 / hr (Avg Bid)
    $45 / hr Giá đặt trung bình
    8 lượt đặt giá

    I am seeking someone versed in electrical engineering who could piece together an inductive loop tester for me. This tool should encompass the following features: - Ability to accurately test and display the inductance of the loop - Capability to measure and exhibit the quality of the loop - Function to evaluate and indicate the magnetic pull of the loop I would ideally want the tester to present these results on a digital display. The clarity and precision of the display are of great importance. The person I look to hire for this project should have sound experience in working with electronics, specifically electrical circuits. Plus, if you've assembled similar devices before, I'd certainly be more inclined to choose your bid. Remember, the accuracy of the measurements that ...

    $1540 (Avg Bid)
    $1540 Giá đặt trung bình
    19 lượt đặt giá

    I'm in need of a professional who can design a multilayer PCB for a high current electric vehicle AC charging station. Key Requirements: - The system should be designed for 208V split phase with a maximum power rating of 19.5KW - The charging station should be able to handle a maximum charging current of 80 Amps Ideal Skills: - PCB Design - High current/power electronics - Electric Vehicle Charging Systems - Multilayer PCB design - Understanding of safety standards for EV charging systems - Experience with high-power applications.

    $2641 (Avg Bid)
    $2641 Giá đặt trung bình
    8 lượt đặt giá

    I am seeking a skilled professional to design and build a circuit that can sense current in DC mode, specifically for an electromagnet. This circuit will need to give a respective signal to stop or run the electromagnet, or another similar device like a hooter. Key Requirements: - The circuit should be able to sense currents of up to 150 amps. - The output signal should be of the NO NC type relay. Skills/Experience Required: - Proficiency in circuit design, particularly for current sensing applications. - Understanding of electromagnet operation would be highly beneficial. - Experience with relay-based output signal design. Please include any relevant experience you have in designing such circuits, and how you would approach ensuring the functionality and reliability of the circuit.

    $324 (Avg Bid)
    $324 Giá đặt trung bình
    12 lượt đặt giá
    Living Room Electrical Troubleshooting 1 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
    16 lượt đặt giá
    iOS App for Dehumidifier Control 1 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 :

    $203 (Avg Bid)
    $203 Giá đặt trung bình
    10 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.

    $26 (Avg Bid)
    $26 Giá đặt trung bình
    23 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.

    $172 (Avg Bid)
    $172 Giá đặt trung bình
    18 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...

    $24 (Avg Bid)
    $24 Giá đặt trung bình
    11 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 ...

    $75 (Avg Bid)
    $75 Giá đặt trung bình
    12 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...

    $82 (Avg Bid)
    $82 Giá đặt trung bình
    18 lượt đặt giá
    Expert in Power Factory and Electronics 18 giờ 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...

    $106 (Avg Bid)
    $106 Giá đặt trung bình
    9 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

    $60 (Avg Bid)
    $60 Giá đặt trung bình
    16 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

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