Ubunifu wa Circuit 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.

Kutoka kwa kaguzi 36,767 , wateja wanakadiria yetu Circuit Designers 4.82 kati ya nyota 5.
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    25 kazi zimepatikana, bei imeletwa USD

    I need a single-layer PCB designed for a consumer electronics product. It involves the integration of sensors and a timer. Basically,, a very small circular pcb board that has 12 micro led lights. And all lights turn on when double tapping was detected, then last about 10 seconds then lights turned off. Using two 1.5v coin batteries. Just that, nothing less and nothing more. Oh, but it has to be very small. Approximately 30mmx30mm. Thank you Regards

    $123 (Avg Bid)
    $123 Wastani wa Zabuni
    36 zabuni

    I need assistance finishing a 12v circuit capable of effectively powering a LED light bar in a vehicle. Not ricer stuff, on an emergency vehicle. See attached diagram. Key job responsibilities include: - Designing a 12v circuit that fits my requirements - Adapting the design to the specific type of LED lights I use - Ensuring the configuration is optimized for 1-5 LED lights Ideal candidates should have: - Extensive knowledge of and experience with 12v circuits - Experience working with LED lighting systems - Strong problem-solving capabilities to troubleshoot potential issues and offer robust solutions - Excellent communication skills to explain the circuit design and any necessary precautions or maintenance tips. I value attention to detail and efficiency, so I want someone who can d...

    $44 (Avg Bid)
    $44 Wastani wa Zabuni
    19 zabuni

    I am in need of an experienced professional who can redraw a PCB schematic from the provided layout created in pcbexpress. Key Details: - I have the PCB design files for reference. - Note that this is a multilayer PCB design, so expecting bids from individuals well-versed in managing and understanding multilayered PCB complexities. Ideal Skills: - Proficiency in using pcbexpress and similar software - Extensive experience in multilayer PCB schematics - Keen attention to detail This project will require excellent skills in technical drawing, interpretation of PCB layouts and thorough understanding of the principles of PCB design. If you have a proven record of similar projects, I encourage you to apply. Please mention your experience and how you plan to approach this project in your b...

    $22 / hr (Avg Bid)
    $22 / hr Wastani wa Zabuni
    49 zabuni

    I'm looking for an experienced designer to help create a high-speed public EV charger. Key requirements include: DC fast charger - Focus on high efficiency and fast charging: The key goal of this project is to create a charger that can rapidly and effectively charge electric vehicles, catering to the needs of public use. The design should prioritize efficiency and speed without compromising on quality. - Additional features: While the primary goal is efficiency, I'm also interested in exploring additional features. This could include solar power integration to promote sustainability, and smart charging capabilities such as app control and usage tracking to enhance user experience. The ideal candidate should have: - A strong background in designing public EV chargers - Experi...

    $2524 (Avg Bid)
    $2524 Wastani wa Zabuni
    9 zabuni

    We are seeking a highly skilled PCB Designer specializing in power electronics to join our team. The successful candidate will be responsible for designing and optimizing printed circuit board layouts for high-power conversion systems ranging from 20kW to 40kW. This role requires expertise in PCB layout design, simulation of power electronics circuits, and compliance with safety standards and regulatory requirements. Job Responsibilities: PCB Layout Design: Create and optimize PCB layouts using industry-standard design software (e.g., Altium Designer, Cadence Allegro) for power conversion systems. Simulation: Conduct simulations using tools like LTspice, PSpice or MATLAB/Simulink to verify the performance of power electronics circuits, including converters and inverters, and optimize desig...

    $126 (Avg Bid)
    $126 Wastani wa Zabuni
    12 zabuni

    I'm in need of a skilled PCB designer who can address the power delivery problems in a PCB design I own. The project involves a moderate redesign to resolve these issues, keeping key components intact. Key Tasks: - Assist in identifying the source of power delivery problems and short circuits in the PCB. - Conduct a moderate redesign of the PCB while retaining essential components. - Eliminate power delivery problems in the new design. Ideal Skills and Experience: - Proven experience in PCB design and troubleshooting, specifically in addressing power delivery problems. - Proficiency with PCB design software and tools. - Strong problem-solving skills, particularly in identifying short circuits and power delivery issues. - A track record of conducting successful moderate redesigns wh...

    $93 (Avg Bid)
    $93 Wastani wa Zabuni
    16 zabuni

    I need a highly skilled electrical engineer who can design an industrial-grade, slow-trickle charging circuit for lead-acid batteries. This device will be used primarily for powering backup systems. Key Responsibilities: - Design a charging circuit compatible with lead-acid battery chemistry. - Prioritize circuit efficiency to enable slow-trickle, long-term charging without overcharging or damaging batteries. - Draft detailed documentation on the design, including technical specifications (voltage, current, etc.) and assembly instructions. Ideal Skills and Experience: - Solid understanding of lead-acid battery charging dynamics. - Demonstrated experience in industrial circuit design. - Knowledge in handling charging circuits for backup power systems. - Proficiency in using circuit simula...

    $93 (Avg Bid)
    $93 Wastani wa Zabuni
    11 zabuni

    I'm looking for an experienced electrical engineer to help design an UHF (Ultra-High Frequency) LPDA antenna. About The Project: - The primary purpose of this antenna will be to work in tandem with wireless microphones, of which I plan to operate between 1-5 at a time. The Ideal Candidate: - Has experience in RF engineering and antenna design - Is familiar with antennas operating in UHF frequencies - Has the ability to optimize antenna design for usage with wireless microphones Please only apply to this project if you meet the above criteria and feel confident you can successfully design an effective LPDA antenna in the UHF range.

    $1064 (Avg Bid)
    $1064 Wastani wa Zabuni
    37 zabuni
    Create Schematic and pcb design 2 siku left
    DHIBITISHWA

    Create a Schematic and pcb design from an existing circuit. We will give you the componnet details and clear magnified pictures. It is a cobyroller board for a magnetostrictive probe that detects height of 2 floating point and temperature. It takes 24v input and communicates via rs485. Image is attached.

    $28 (Avg Bid)
    $28 Wastani wa Zabuni
    22 zabuni

    I'm on the lookout for an efficient and skilled electrician who can design, create and test a mixed-signal circuit for me. There is no rush to complete this task as I am flexible with the deadline. The complexity of the circuit to be designed is somewhere intermediate, not too simple but not overly complex as well. Ideal Skills & Experience: • Proficiency in Mixed-signal circuit design • Experience in Prototyping and Circuit Testing • Ability to work with moderate level complexity and component interaction • Detail-oriented and meticulous If you are someone who fits the profile, then I am interested in hearing from you. Looking forward to having a productive and successful collaboration. Preference will be given to those who have demonstrable experience in ...

    $21 / hr (Avg Bid)
    $21 / hr Wastani wa Zabuni
    23 zabuni

    I am in need of a talented PCB designer who has firm grasp in executing multi-layer designs preferably using KiCad. The project primarily includes the following functionalities: - Signal Processing - Power Management The ideal freelancer for this task would have extensive experience in KiCad, can proficiently execute intermediate level multi-layer PCB designs, and has proven expertise in signal processing and power management. Careful consideration should be paid to board layout, signal integrity and power delivery throughout the design process. Your bid should include your approach to these design elements and examples of similar projects you've completed. As the project progresses, clear communication and active collaboration will be key to achieving an optimal design solution...

    $695 (Avg Bid)
    $695 Wastani wa Zabuni
    22 zabuni

    I'm seeking an experienced RF design engineer to partner for lab project involving: Design of discrete circuit transmitter with specific RF performance requirement that shall be provided as needed. From the DAC output to RF frequency 5GHz. One stage up-conversion. modeling and simulation of the transmitter signal chain that provides performance details related to link budget RF chain analysis, inter modulation and harmonic distortion using RF/microwave circuit synthesis and simulation software for circuit board and subsystem designers called "Genesys" Desirable Skills and Experiences: - Proven experience in the field of electronics. - Expertise in RF circuit and antenna designing. - Knowledge of medium frequency range (1 GHz - 10 GHz) in RF circuit and antenna design. W...

    $674 (Avg Bid)
    $674 Wastani wa Zabuni
    24 zabuni
    Data Signal Processing PCB Design 2 siku left
    DHIBITISHWA

    I require an expert in printed circuit board (PCB) design, specifically for the task of data signal processing. This PCB will be an integral part of broader hardware systems, necessitating a thorough understanding of system integration. It is basically a sensor to sense moisture and send the wet data to a controller that operates boiler equipment to melt snow. Key Requirements: - PCB design with an emphasis on data signal processing. - Prior experience in hardware system integration. - Ability to troubleshoot potential hardware compatibility issues. The ideal candidate will have a robust portfolio of similar projects and excellent problem-solving skills. I look forward to seeing your bids.

    $2218 (Avg Bid)
    $2218 Wastani wa Zabuni
    29 zabuni
    Hybrid Microgrid Design Specialist 2 siku left
    DHIBITISHWA

    I am on the lookout for experts in hybrid microgrid system design. My primary goal is enhancing grid resilience but with a focus on incorporating a mix of energy sources. Key Project Requirements: - Proficient in designing and implementing a Hybrid AC/DC Microgrid system - Understands and has experience in combining Solar power, Battery Energy Storage System (BESS) and, Natural Gas Generator (NatGas Genset) in design - Adept at effectively integrating renewable energy into a grid for enhanced resilience - Experience using Helioscope, PVSyst, Xendee, Energy Toolbase, etc. Your knowledge and experience in renewable energy and hybrid microgrid design will be critical for this project. Ideal candidates should have worked with various types of microgrids, specially integrating different ener...

    $51 / hr (Avg Bid)
    $51 / hr Wastani wa Zabuni
    10 zabuni
    BLDC Motor Controller Design 1 siku left
    DHIBITISHWA

    I'm looking for a talented electrical engineer with experience in designing BLDC motor controllers. The ideal candidate will be able to design a controller with the following features: - Speed Control - Torque Control - Regenerative braking - 2 Continuous Power inputs: from a generator and a battery - Efficient power management: Battery charging from the generator while running the motor when needed The power rating for the BLDC motor controller should be between 1-3 kW operating at 48v. Additionally, the controller will need to be capable of charging a lithium-ion battery when needed. If you have experience with these types of projects and can deliver a high-quality result, I would like to hear from you.

    $156 (Avg Bid)
    $156 Wastani wa Zabuni
    14 zabuni
    Expert Arduino Coder 1 siku left
    DHIBITISHWA

    We are developing an electronic circuit for electrochemical experiments and require a skilled Arduino coder. The circuit is already built, and we have a clear circuit diagram for reference. You must develop Arduino code to control the built circuit. Your Responsibilities: The code should enable functionalities like: - Applying precise potential (voltage) through DAC to one terminal of OPAM which is connected to three electrodes. - Voltage should vary at specified rate and specified step. - Measuring correct current being received by Arduino from OPAM. (Actually, current generated between electrodes are converted to voltage by resistance (R) . Voltage output to Arduino gives current dividing voltage by R. - Implementing a reference for stable measurements. - Ensure proper calibrat...

    $315 (Avg Bid)
    $315 Wastani wa Zabuni
    35 zabuni

    I am looking to integrate two ultrasonic sensors onto a Nexys A7 FPGA board using VHDL. My primary goal is using these sensors for object tracking and distance measurement. Integrate TWO HCSR-04 ultrasonic sensors to an Nexys A7 fpga board so that I can read data from both sensors. I need for the seven-segment display that is on the board to show the distances measured. Using a pushbutton on the board, have the display change to show readings from sensor 1 and when pushed the display shows readings from sensor 2 and vice versa. So basically, the pushbutton toggles which sensor's measurement is displayed on the seven segment display. Also, another push button will be used to toggle back and forth between displaying the distance in centimeters (cm) or inches (in) for both sensors. Next...

    $157 (Avg Bid)
    $157 Wastani wa Zabuni
    13 zabuni

    I'm seeking a talented and detail-oriented product designer to create an automatic pet feeder tailored for both cats and dogs. The pet feeder should: • Dispense one meal per day. • Include a functionality controlling the dispensing time using a real-time clock to dispense food everyday at precisely 6pm. A successful candidate will have: • Experience with product design, particularly pet-related products. • Understanding of timers and automation, with the ability to integrate this into the design. Your design should prioritize ease-of-use and efficiency, ensuring pets receive their meals regularly and owners have peace of mind. I look forward to hearing your ideas and seeing your previous work.

    $163 (Avg Bid)
    $163 Wastani wa Zabuni
    24 zabuni

    I am in need of an experienced PCB designer to create a highly durable printed circuit board that incorporates a TI INA229 current and voltage sensing IC, along with a PCB mounted shunt resistor capable of handling up to 50 amps. The board should be designed to withstand industrial use. Key Requirements: - Incorporating TI INA229 current and voltage sensing IC - Capable of handling up to 50 amps, 85V DC. - High durability for industrial use - All external connections to be via screw terminals (e.g. phoenix) and support the required current. - calculation of required parameters for INA229 register settings. - Size is flexible - Would be ideal if there was onboard 5V regulator for VIN of INA229, but open to this being external supply. Ideal Skills: - Strong background in PCB design - Exper...

    $286 (Avg Bid)
    $286 Wastani wa Zabuni
    40 zabuni
    Design PCBA 3 masaa left
    DHIBITISHWA

    Just design a single bulb led circuit board/driver/ module. Plugged into a 12volts motor vehicle USB port.

    $56 (Avg Bid)
    $56 Wastani wa Zabuni
    19 zabuni

    I would need some changes on my PCB which was designed with Altium Designer. The board is based on an ESP32C3 with some gas sensors. Changes: - Implement an electrical battery disconnect switch controlled by Alert Pin (MAX17048) and to be reconnected by VBUS Signal. The Max17048 is already fitted. - Implement 8 LEDS directly on PCB (like Neopixel ring) - Implement an force resistive sensor directly on PCB. And some smaller changes like remove soldering pads etc. An exact document with details will be sent after agreement.

    $119 (Avg Bid)
    $119 Wastani wa Zabuni
    30 zabuni

    I need a skilled trainer to deliver engaging online sessions on the advanced applications and troubleshooting techniques for the SILworX Software, specifically focusing on its use within Hima safety systems. The participants in these sessions have an intermediate understanding of the system. The ideal trainer for this job should have: - Extensive knowledge of SILworX Software and Hima Safety systems - Proven experience in providing training on troubleshooting techniques - Ability to provide clear, concise and effective online training During the training sessions, you will utilise a range of learning resources Including: - Video Demonstrations: Show us the steps in executing various tasks and functions. - Live Demonstrations: Work through real-time examples or scenarios, explai...

    $40 / hr (Avg Bid)
    $40 / hr Wastani wa Zabuni
    8 zabuni
    Oil Tools Motor & Circuit Design Inaisha left
    DHIBITISHWA

    I need an experienced electrical engineer to design an electrical motor and circuit board for use with oil tools and downhole equipment. Key Requirements: - The electrical motor should have a power output between 1 and 5 horsepower - The circuit board should be designed to incorporate speed control, overload protection, and temperature sensing - The system will be exposed to harsh environmental conditions Ideal Skills: - Proven experience in electrical motor design, particularly for industrial applications - Expertise in circuit board design, with a focus on components like speed control, overload protection, and temperature sensors - Understanding of environmental factors that might influence the design, like high temperatures and vibration Please provide examples of similar work you ...

    $1765 (Avg Bid)
    $1765 Wastani wa Zabuni
    11 zabuni

    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 how we...

    $1475 (Avg Bid)
    Dharura
    $1475 Wastani wa Zabuni
    6 zabuni
    I need a power electronics expert. 3216 siku left
    DHIBITISHWA

    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 Wastani wa Zabuni
    29 zabuni

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