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 37,527 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 NZD

    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. -...

    $275 (Avg Bid)
    $275 Avg Bid
    5 bids

    I'm in need of a freelance electronics engineer with experience in LTSpice to design a voltage converter for me. The budget of the project can be much higher than 30$. - 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 ...

    $38 (Avg Bid)
    $38 Avg Bid
    3 bids

    I need an expert Altium PCB designer for a complex prototyping project involving mixed-signal components on a multi-layer board. The right candidate should be able to draft and develop with precision and attention to detail. IDEAL SKILLS: - Extensive experience in Altium software - Dexterity in handling mixed-signal components - Mastery of multi-layered board designs - Familiarity with PCB prototyping processes - Able to handle high-frequency MCU of 480Mhz This project requires someone who thrives in complex PCB designs and can deliver accurate results promptly. I have already designed the schematic, the board shape, and the placement of connectors. I will provide my PCB library for the footprint of all the components used in the project. The PCB will be an 8-layer board with a stack...

    $833 (Avg Bid)
    $833 Avg Bid
    26 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...

    $196 (Avg Bid)
    $196 Avg Bid
    6 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....

    $150 (Avg Bid)
    $150 Avg Bid
    11 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 only. Only bid if you have experience with RTD temperature sensor.

    $217 (Avg Bid)
    $217 Avg Bid
    7 bids

    Simple Program for Siemens Logo PLc to act as a Modbus client toread and write to a Modbus Server Hello, I am looking to program a Siemens Logo PLC to act as a master to read from the a modbus slave (our FireLaser DTS offset address 2, function code 0x01). If the value at this address is 1 then the PLC should write to the reset control with a value of 1 (function code 0x06, offset address 0) with a delay of 5 seconds I have attached the modbus map of our equipment. There are also other programs I would like written but want to start with this This is using Modbus TCP/IP and the modbus address are as follows: Master Slave

    $995 (Avg Bid)
    $995 Avg Bid
    16 bids

    Simple Program for Siemens Logo PLc to act as a Modbus client toread and write to a Modbus Server Hello, I am looking to program a Siemens Logo PLC to act as a master to read from the a modbus slave (our FireLaser DTS offset address 2, function code 0x01). If the value at this address is 1 then the PLC should write to the reset control with a value of 1 (function code 0x06, offset address 0) with a delay of 5 seconds I have attached the modbus map of our equipment. There are also other programs I would like written but want to start with this This is using Modbus TCP/IP and the modbus address are as follows: Master Slave

    $899 (Avg Bid)
    $899 Avg Bid
    12 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.

    $831 (Avg Bid)
    $831 Avg Bid
    23 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

    $54 / hr (Avg Bid)
    $54 / hr Avg Bid
    16 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

    $41 (Avg Bid)
    $41 Avg Bid
    11 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.

    $251 (Avg Bid)
    $251 Avg Bid
    24 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...

    $1885 (Avg Bid)
    $1885 Avg Bid
    30 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...

    $403 (Avg Bid)
    $403 Avg Bid
    4 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...

    $38 / hr (Avg Bid)
    $38 / hr Avg Bid
    11 bids

    I am seeking a professional who can create a technical drawing using Eplan. Your task will be: 1. Developing an intermediate detailed document that comprises both wiring diagrams and schematic symbols specifically. 2. Ensure it adequately fulfills it's purpose as a piece of technical documentation. Skills necessary for proceeding include proficiency with Eplan software, ability to create wiring diagrams, and familiarity with technical schematic symbols. Experience in producing technical documents would prove beneficial.

    $1734 (Avg Bid)
    $1734 Avg Bid
    25 bids
    Gerber files for pcb 4 days left
    VERIFIED

    I have created circuit using proteus, I want to get PCB boards for this circuit. I need pcb layout andn / or gerber files to submit to pcb maker pls. respond if you have experience in this work, I will provide circuit

    $69 (Avg Bid)
    $69 Avg Bid
    25 bids

    I am looking for an expert in antenna design, specifically for high-frequency pulse antennas, to design a solution for a Radar system project. A very quick and easy design with those which are familiar with pcb software. I basically just need you to copy the attached picture with solder. The only component will be an SMA connector, thats it. Skills and Experience: - Deep understanding of high-frequency (above 10 GHz) pulse antenna designs - Proven experience in circuit Design software to implement the design on a PCB layout. - Prior work in antenna design for radar systems - Strong knowledge of using design software for antenna modeling and simulation Project Details: - The antenna should operate at high frequencies (above 10 GHz). - This project is focused on a Plate Antenna Design. ...

    $117 (Avg Bid)
    $117 Avg Bid
    15 bids

    I'm looking for an experienced PCB designer who can help me with a medium-sized, single-layer PCB. The project requires both layout and schematic design. Key Requirements: - Expertise in PCB Design: The ideal candidate should have a strong track record in PCB design, particularly in single-layer designs. Previous experience with medium-sized PCBs would be a plus. - Proficiency in Design Software: Proficiency in popular PCB design software like Altium, Eagle, or KiCad is essential. - Attention to Detail: A keen eye for detail is crucial for this project to ensure the layout and schematic are accurate and optimized. If you're confident in your PCB design skills and believe you can deliver a high-quality, single-layer PCB design, I'd love to hear from you. Please include sam...

    $31 / hr (Avg Bid)
    $31 / hr Avg Bid
    37 bids

    I am seeking a proficient PCB Designer who can help me design a PCB layout for Buck Boost Converter circuit. The project specifics are: - The PCB is only two layers. Front copper layer and Back copper layer. - KiCad is the software to be used. - Working with both through-hole components and surface-mount devices to develop the PCB. - The primary application of this board is for prototyping, so accuracy and attention to detail are a must. Please make sure to include examples of your past PCB designs in your proposal if available.

    $234 (Avg Bid)
    $234 Avg Bid
    44 bids

    I'm looking for a talented PCB designer to create a multi-layered PCB for a prototyping project. This initial design will be critical for testing and evaluating the effectiveness of the microcontrollers we're planning to use in our future production runs. Ideal skills and experience: - Experience in PCB design, particularly multi-layered boards - Familiarity with microcontrollers, particularly in a prototyping context - Strong attention to detail to ensure that the design can be easily manufactured and tested. Please note: - The PCB will need to support the integration of microcontrollers - I'm looking for a design that can be easily manufactured and tested. - The aim is to create a prototype that can be validated before full production. Looking forward to your bids.

    $226 (Avg Bid)
    $226 Avg Bid
    17 bids

    I am seeking a skilled electronics expert to assist in the design of a mains-powered, digital panel meter, tailor-made for precise voltage measurements displayed via a crisp LED interface. I'm focusing on achieving a perfect blend of precision, reliability, and convenience. Key tasks include: 1. **Voltage measurement design**: The core function of this digital panel meter is to measure voltage in an efficient and reliable manner. 2. **LED Display Integration**: I want the measurements visible clearly and easily on an LED screen for optimal viewing. 3. **Mains Power Compatibility**: This panel must run on mains power, thus requiring knowledge on mains power system design for durability and safety. An ideal partner for this project would be proficient in electronics hardware design...

    $538 (Avg Bid)
    $538 Avg Bid
    10 bids

    I'm looking for a skilled professional to simulate & test of my microcontroller based hardware design, using proteus and test its performance. Also, if there is any performance bugs, need to correct it and also, build pcb prototype and physically test the performance

    $5 / hr (Avg Bid)
    $5 / hr Avg Bid
    12 bids

    I'm looking for a 5kW solar inverter specifically designed for residential usage. It should be equipped with a battery backup system to ensure continuous power supply during outages. Key Requirements: - 5kW Power Output: The inverter should be capable of handling 5kW of power, suitable for residential usage with inductive loads. - Battery Backup Compatibility: It must be designed to work with a battery like lead acid and LifePO4 battery of 48V which will be a 16 string LifePO4 battery.. This is crucial for ensuring uninterrupted power during times of outages or low sunlight. -Tgere whouxl be an lcd screen to do settings and check status. - Residential Suitability: The inverter should be designed for residential environments, taking into account factors like space constraints, noise...

    $3579 (Avg Bid)
    $3579 Avg Bid
    10 bids

    I'm in need of a proficient and experienced electrical engineer to design an analog audio circuit for mixing multi-channel signals sourced from line level feeds. This will require expertise in designing robust and low-noise analog audio circuits capable of dealing effectively with multiple audio inputs. Ideal Skills and Experience: • Proficiency in electronic circuit design, specifically analog audio circuits. • Experience with handling multi-channel signals. • Familiarity with line level audio signal processing and mixing. We need an engineer with deep experience in high-end analog circuit design using low noise operational amplifiers. We will provide basic diagrams and objectives. The project involves high quality op amps and line drivers for an audio routing proje...

    $3734 (Avg Bid)
    $3734 Avg Bid
    17 bids

    Help me with the software code and wiring for a Arduino. 1. turn the motor(hydraulic pump) forward and sense the currrent as it ramps up to 170mA and stops. 2. turn the motor in reverse and monitor the position sensor.

    $412 (Avg Bid)
    $412 Avg Bid
    7 bids
    PCB Design Engineer 8 hours left
    VERIFIED

    I require an experienced PCB design engineer. The project involves designing a PCB, but the specifics of the design (such as the number of layers, purpose, dimensions, and form factor) have not been finalized yet. I'm seeking an expert who can guide me through the design process, and help in finalizing these parameters. Your role will be to: - Work with me to determine the type of PCB design (single layer, double layer, multi-layer) - Collaborate on the purpose of the PCB design, whether it's for prototyping, production, or circuit optimization - Help define the specific dimensions and form factor for the PCB Skills and experience needed: - Proficiency in PCB design software (e.g. Altium, Eagle, KiCad) - Experience with designing various types of PCBs (single, double, multi-la...

    $239 (Avg Bid)
    $239 Avg Bid
    32 bids
    Electrical Design Engineer 8 hours left
    VERIFIED

    I am looking for an expert in electrical design to assist me with a project I have. The scope and areas of expertise are quite broad and I'm open to input from professionals in the field. The ideal candidate should have experience in: - Circuit design - Power distribution - Control systems The end goal of this project is to maximize the efficiency of the electrical systems we have in place. This may involve improving energy efficiency, upgrading existing systems, or designing new systems from scratch. I'm looking for someone who is detail-oriented, has excellent problem-solving skills, and a good understanding of electrical engineering principles. The ability to work independently and communicate effectively is also key. If you have experience with similar projects and can b...

    $216 (Avg Bid)
    $216 Avg Bid
    19 bids

    Hello All , I want you to design a small machine which will clearly show the power consumption of a hub bearing , when hub bearing is rotating at 300 rpm or less . The power consumption of the bearing can be shown through a digital meter or oscilloscope. I need to compare the power consumption of various hub bearings . In this , you can measure torque of hub bearing and that torque of hub bearing can be converted in to ampere or other which will clearly show the power consumption . For your reference I have attached herewith the hub bearing , which required to be tested ; in attached document. Hub bearings have two flanges . I want you to fix one flange by some method and rotate other flange at 300 rpm or less . Scope of the project : 1. Detailed component and assembly drawing of the mac...

    $168 (Avg Bid)
    $168 Avg Bid
    15 bids

    I'm in need of a circuit that can regulate voltage to 6VDC, with a max current of 500mA. This circuit will be powering LED lights and should be compatible with an input voltage range of 12-24VDC. The circuit should also account for the presence of 4 diodes. - 4 Diodes - forward V - 8V limit to 7V max - max operating current 500mV - inline switch to turn any of the diodes in circuit on/off - need an LED in line for each Diode if active or blown ( when diode fails it is shorted 1ohm) Key requirements and considerations include: - Voltage regulation: The primary functionality of the circuit is to regulate input voltage to 6VDC for optimal LED power. - Current capacity: The circuit should handle a maximum current of 500mA, ensuring the LED lights operate efficiently. - Input voltage ...

    $711 (Avg Bid)
    $711 Avg Bid
    37 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...

    $2273 (Avg Bid)
    Urgent
    $2273 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

    $16 / hr (Avg Bid)
    $16 / hr Avg Bid
    32 bids

    Hola, Buscamos a un especialista en diseño de circuitos electrónicos para diseñar varios prototipos iniciando con el desarrollo de un dispositivo de toma de huella dactilar para llevar el registro y control de asistencia con base de datos enlazada a una web. Se valorará experiencia de programación (PhP, Python, C++), y el haber trabajo con placas como Arduino, RaspBerry y SP32 Tenemos varios proyectos, en los que hay que ir trabajando (Diseño de una consola portatil para correr un video juego propio creado en RPG MAKER XP) Un saludo

    $21 / hr (Avg Bid)
    $21 / hr Avg Bid
    15 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