Circuit Design Jobs

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.

From 37,368 reviews, clients rate our Circuit Designers 4.81 out of 5 stars.
Hire Circuit Designers

Filter

My recent searches
Filter by:
Budget
to
to
to
Type
Skills
Languages
    Job State
    33 jobs found, pricing in USD

    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.

    $87 (Avg Bid)
    $87 Avg Bid
    8 bids

    Develop schematics, PCB and firmware for a compact NFC reader. The suggested RFID controller is PN7160. Microcontroller - STM32 0) Two boards - antenna and the main board. The antenna diameter is 15mm with a hole in the center 4-5mm. The main board is 14mm in width and length is 35mm or less. 1) The reader must read and write password-protected memory blocks in Mifare Classic cards. 2) The reader keeps the password for the RFID cards as a hard-coded constant. 3) The reader has an 4-byte reader ID stored in its EEPROM memory. 4) The RGB LED on the edge of the main board, whose location matches the hole in the antenna. RGB LEDs are connected to the PWM pins of the controller. 5) A waterproof (if possible) speaker must be on the opposite edge of the main board, closer to one side to leave sp...

    $522 (Avg Bid)
    $522 Avg Bid
    17 bids

    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.

    $89 (Avg Bid)
    $89 Avg Bid
    5 bids

    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...

    $75 (Avg Bid)
    $75 Avg Bid
    4 bids

    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...

    $438 (Avg Bid)
    $438 Avg Bid
    28 bids
    Digital Electronics Project 6 days left
    VERIFIED

    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.

    $24 (Avg Bid)
    $24 Avg Bid
    9 bids

    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...

    $470 (Avg Bid)
    $470 Avg Bid
    24 bids

    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.

    $27 (Avg Bid)
    $27 Avg Bid
    21 bids

    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...

    $8 / hr (Avg Bid)
    $8 / hr Avg Bid
    10 bids

    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

    $167 (Avg Bid)
    $167 Avg Bid
    22 bids

    I'm looking for an experienced PCB designer who's proficient with Altium Designer. The project specifically involves a multilayer PCB design. A strong attention to detail and a good understanding of circuit board layout is crucial for this project. Key Requirements: - Proficiency in Altium Designer - Experience with multilayer PCB design with large PCB Boards - Ability to understand and implement complex circuit board layouts - Attention to detail Please provide examples of your previous PCB design work using Altium. A portfolio demonstrating your experience in multilayer PCB design will be highly regarded. This is an LED board which needs layout editing with adding few more components. Please Show your previous work with dense Layout with Noise and Heat Management of component...

    $150 (Avg Bid)
    $150 Avg Bid
    16 bids

    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 Avg Bid
    1 bids

    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...

    $160 (Avg Bid)
    $160 Avg Bid
    13 bids

    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....

    $5606 (Avg Bid)
    $5606 Avg Bid
    8 bids

    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...

    $301 (Avg Bid)
    $301 Avg Bid
    5 bids
    AC-DC Converter Design Expert 3 days left
    VERIFIED

    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.

    $326 (Avg Bid)
    $326 Avg Bid
    10 bids

    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...

    $480 (Avg Bid)
    $480 Avg Bid
    41 bids
    Circuit Schematic 3 days left
    VERIFIED

    I need a circuit schematic for the attached circuit

    $26 (Avg Bid)
    $26 Avg Bid
    31 bids

    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 Avg Bid
    23 bids

    I'm in need of a freelance electronics engineer with experience in LTSpice to design a voltage converter for me. - Purpose: The desired converter is a voltage cuck converter, meaning it should be able to change the voltage of the input signal. - Output Characteristics: The voltage output should be adjustable, allowing for flexibility in use. The output voltage range is 240 - 346 volts. - Maximum output current is 87 A. - Maximum rate of change of inductor current is 34.5 - Maximum Power is 30 kW. - Input Voltage Range: The input voltage range should be 330 to 550 volts. - Switching frequency is 150 kHz. - The project is only a simulation in LTspice. The ideal freelancer for this job should have: - Experience in LTSpice and a proven track record of designing voltage converters. -...

    $199 (Avg Bid)
    $199 Avg Bid
    11 bids

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

    $86 (Avg Bid)
    $86 Avg Bid
    9 bids

    I am seeking a seasoned PCB designer for my upcoming project. The project involves the design of a double-sided PCB to be used in an embedded system for a power electronics, consumer product. Key requirements are: - Profound understanding of PCB design for embedded systems - Experience with power electronics The primary function of this PCB is power management. Thus, proficiency in optimizing PCB designs for energy efficiency is highly desirable. The PCB should include the following features/components: - Microcontroller - Voltage regulator - Display interface - Resistance - Capacitor - Diodes - Integrated Circuits - Transistor - IGBT - MOSFET Experience in integrating these components on a double-sided PCB is mandatory. Please detail your related experience and skills in your bid....

    $79 (Avg Bid)
    $79 Avg Bid
    17 bids

    I'm looking for experienced circuit designer who can design sensing circuit for RTD temperature sensor. Sensing should be done by STM32F103 microcontroller ADC. There should be 8 channels for RTD temperature sensor. I need Schematic design and sample code to read temperature value. Only bid if you have experience with RTD temperature sensor.

    $108 (Avg Bid)
    $108 Avg Bid
    11 bids

    I'm in need of a skilled electronics engineer to assist with an educational circuit design project. The circuit is intended for advanced learners, so it should be challenging yet educational. Key requirements and responsibilities include: - Designing a complex circuit for educational purposes - Ensuring that the circuit is advanced enough to engage students at a high level - Preparing documentation and guidelines for understanding the circuit Ideal skills and experience for this job include: - Proven experience in advanced circuit design - Prior experience in educational circuit design is a plus - Excellent communication skills for creating thorough documentation Looking forward to hearing from passionate electronic engineers who can help me with this exciting project.

    $505 (Avg Bid)
    $505 Avg Bid
    22 bids

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

    $34 / hr (Avg Bid)
    $34 / hr Avg Bid
    15 bids

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

    $49 (Avg Bid)
    $49 Avg Bid
    16 bids

    I'm looking for a highly skilled and experienced PCB designer from Pakistan, ideally with a background in consumer electronics, to assist with my radio project. Key Requirements: - Proficient in PCB design and layout - Understanding of consumer electronics - Previous experience in radio projects is a plus Please note that I haven't provided specific details on the size, complexity, or the main purpose of the PCB design, so I'll require a designer who is flexible and able to adapt to the requirements of the project. Your expertise in these key areas can help steer the project in the right direction. In your proposal, please share your relevant experience and outline your approach to working on a project with dynamic needs like this.

    $151 (Avg Bid)
    $151 Avg Bid
    26 bids

    I am working on a project to develop a wireless sensor for vibration analysis. I have already defined some components of the system. I need someone with experience in electronic component design to help me evaluate the chosen components and assess the feasibility of applying these components in a prototype. This person will be responsible for the PCB's technical design (Gerber and CAD) and prototype testing. The hardware design must consider hardware and firmware (software) limitations. My initial idea is to use a Seeed Studio microcontroller controlling different types of accelerometers. If the person has a better approach, I have no problem following their advice. Below is a list of the components I am considering using in this project: Sensors: Microcontroller: Board...

    $1154 (Avg Bid)
    $1154 Avg Bid
    31 bids

    For my ongoing project, I need a specialized Printed Circuit Board (PCB) design for an iMX8 Micro Processing Unit (MPU). Below are the main requirements: - Power Management: This is crucial for the project. The PCB design should incorporate an integrated voltage regulator. Specifically, I prefer to use a linear voltage regulator which can provide continuous, stable supply and suit the power requirements of my MPU. Skills and Experience: - Knowledge in PCB design with a focus on power management. - Familiarity with iMX8 MPU would be beneficial. - Proficiency in using linear voltage regulators and designing for signal integrity purposes. - Previous experience in designing intricate PCBs will be a plus. Your expertise can make a substantial difference in the success of this project. Lo...

    $243 (Avg Bid)
    $243 Avg Bid
    5 bids

    As a technician experienced in soldering on industrial-grade electronic devices, I am in need of a skilled individual capable of working on circuit boards for repairing damaged components. Key Responsibilities: - Soldering on circuit boards to repair damaged components. - Prioritizing quality and precision in your work. - Ensuring the reliability of the soldered components. Ideal Skills and Qualifications: - Proven experience in soldering on industrial electronic devices, particularly circuit boards. - Proficient in the use of soldering tools and equipment. - Familiarity with best practices for repairing damaged components on circuit boards. - Attention to detail and a commitment to quality work. - Ability to work independently and meet deadlines. If you have a track record of successf...

    $23 / hr (Avg Bid)
    $23 / hr Avg Bid
    11 bids

    As an electrical engineer, I'm looking for a specialist who can creatively help me in the test of the prototype and design the electronic Printed Circuit Board (PCB) board to convert output to charging input of 84v li ion also input 58.6v as we drive around in the electric vehicle (EV). - Electronic PCB board Design * The key purpose of this project is to engineer the electronic PCB board design, taking the prototype EV brake rotor with magnets, and pie shape copper coil collectors into consideration. * I desire the designed PCB to have an efficient charging system, capable of converting charging input to 84v li ion also input 58.6v. - Prototype Testing * When it comes to testing the prototype, the overall effectiveness of the design is my area of focus. I want to evaluate...

    $1378 (Avg Bid)
    Urgent
    $1378 Avg Bid
    7 bids

    I am in need of a power electronics expert who specializes in power converters. I have specific requirements for this project and need it to be completed as soon as possible. Skills and experience needed: - Expertise in power converters and power electronics - Strong knowledge of power semiconductor devices - Experience in power system analysis - Ability to work quickly and efficiently to meet tight deadlines

    $10 / hr (Avg Bid)
    $10 / hr Avg Bid
    32 bids

    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.

    $6676 (Avg Bid)
    $6676 Avg Bid
    7 bids

    Recommended Articles Just for You

    Get your product into the hands of test users and you'll walk away with valuable insights that could make the difference between success and failure.
    7 MIN READ
    A guide to hiring and working with freelance Photo Anywhere Expert
    15 MIN READ
    Learn how to hire and collaborate with a freelance Typeform Specialist to create impactful forms for your business.
    15 MIN READ