Circuit Design jobs

If you want an end to end outsourcing solution for all your projects relating to circuit designing, outsource the work or job at the world's best marketing resource online Freelancer.com and get the work done by the expert circuit designer freelancers. These freelancers work online from all across the world and can be helpful to you and your project. Freelance them the work to be done either on part time or full time basis and be assured of an optimum result. The job sphere may include PCB designing, PCB board circuit debugging, layout, schematic designing, MCS including the software design and the hardware design.

The freelancer circuit designer will be able to work on the PCB print circuit, half finished product design, finished product and also assemble them. Their other work expertise are high speed telecom, RF board, DSP, microcontroller control, signal board, circuit design and assembling, electronic items designing like toy, motor, electronic gifts, main board, security defend, Vidicon, USB, DVD etc. If you are a freelancer having adequate skill and experience in circuit designing, Ethernet, USB, electronics, networking, digital and such related fields, submit your bid in the Freelancer.com and get posted immediately.

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    491 jobs found, pricing in USD

    Design and Simulation of 3 bit Binary Synchronous counter with irregular given binary count sequence i. Find the Boolean Expressions for JK Flip Flops Inputs ii. Simulate the Circuit in MultiSim

    $25 (Avg Bid)
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    13 bids

    BioPile è un apparato elettronico destinato alla crescita di vegetali e piante in coltura idroponica. Assemblabile in verticale addizionando alla base diverse celle di coltivazione, differenti per volume e dimensioni, ospita al suo interno varie tipologie di semi innestati in cialde flessibili acquistabili separatamente. Il software che gestisce gli apparati elettronici presenti nei vari componenti opera in maniera completamente automatizzata le varie funzioni meccaniche, chimiche e fisiche necessarie a ricreare in ogni singola cella di coltivazione il corretto microclima favorevole alla germinazione ed alla crescita dei semi. Una riserva di 16 litri di acqua viene caricata dall'utente all'inizio di ogni ciclo di accrescimento in un serbatoio stagno collocato nella base dell'apparato. Speciali filtri, pompe ed ossigenatori veicolano l'acqua in un circolo costante che dalla sommità dell'apparato ritorna al serbatoio stesso per caduta. Ogni famiglia di vegetali viene campionata ed assortita in differenti blister. Il blister in se è costituito da un sandwich di materiali filamentosi minerali ed organici, pressati e punzonati in modo da risultare solidi contenitori di semi nella prima fase di germinazione e successivamente validi supporti di sostegno al corretto sviluppo tanto delle radici quanto dei fusti delle piante lungo tutte le fasi di accrescimento e raccolta. Ogni blister è fornito di uno o più sensori che permettono alla cella di conoscerne il contenuto biologico al quale l'apparato provvederà a fornire il proprio programma di crescita, in maniera automatica e controllata, escludendo la possibilità che l'utente, per inesperienza o mancanza di tempo, possa commettere errori che andrebbero ad inficiare sulla qualità del prodotto finale. I blister sono di forma quadrata, di spessore variabile tra i 20 ed i 50 mm in base alla famiglia di semi ospitata, dimensionati per poter essere alloggiati esclusivamente nella corretta cella di appartenenza, ad esempio, blister contenenti semi di vegetali o piante che giunte a maturazione superino i 50cm di altezza non potranno fisicamente essere collocati all'interno della vasca di una cella piccola ma avranno bordi ed innesti adeguati alle vasche delle celle medie e grandi , così come blister contenenti famiglie di vegetali o piante di dimensioni molto piccole potranno essere contenuti esclusivamente nelle vasche delle celle minori, così da ottimizzare il rapporto tra volume dell'apparato e numero di entità biologiche poste in accrescimento. L'apparato così composto, recante sempre una base contenente un serbatoio, un numero di celle differenti che potrà variare da un massimo di cinque celle piccole, tre medie o due grandi , ed un modulo di controllo occupa all'interno di un appartamento essenzialmente lo spazio di una persona, ovvero non più di 40-50cm di diametro per un'altezza nella configurazione massima di 210-230cm. Ciò permette di collocarlo ovunque, od affiancarne molteplici, in base alle necessità di produzione cui si vuol far fronte. Al termine di ogni ciclo di crescita (25-45 giorni) le piante ormai maturate potranno essere asportate dai blister, consumate in quanto ormai prodotti completamente biologici e maturi, impiantate in vasi esterni (nel caso di piante ornamentali o fiori rari) o poste in celle di maggior volume (nel caso di vegetali o piante che continuano a dare frutti o fiori sviluppandosi prevalentemente in verticale (pomodori, aloe, mente). Il sistema BioPile imparerà tanto le preferenze quanto le abitudini di raccolta degli utenti , ai quali sarà sempre disponibile un continuo approvigionamento di materiali di consumo o di manutenzione .

    $1522 (Avg Bid)
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    To simulate/verify a simple circuit provided using any software and later to make/design pcb using given specified footprints in a compact size layout. More details will be provide in chat. If you haven't used proteus, easyeda, eagle software pls don't waste your time. Only serious freelancers will be contacted.

    $31 (Avg Bid)
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    25 bids

    3 phase voltage , current and frequency reading on lcd using ic ade7758 and pic microcontroller

    $39 (Avg Bid)
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    3 bids

    I need to design an Infrared Transmitter .The driver should use Cadence Software.I will explain more details later.

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    5 bids

    We are looking for PCB and Schematic Diagram Designers adept at using Altium Designer. State in your proposal the complexity of the PCB designs that you have worked on, the applications that you have designed schematics for, as well as your hands-on experience in practising DFM / DFA. Begin your proposal with the words "Substrate" or " Track". You will be expected to work along with a remote team on AEST day work hours. Your bid will be qualified according to the effort and attention you put into reading these requirements. Should you qualify, you will be required to sign NDA, and a NON-COMPETE contractor agreement. The last word of bid should be "complete."

    $5 / hr (Avg Bid)
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    15 bids
    Eagle PCB Design Expert 6 days left
    VERIFIED

    Simply, the RGB LED on a PCB is in the wrong location to match the external enclosure window. We need a MCU and parts relocated on the PCB to place the LED in the right position. We have produced this particular board many times and have an existing relationship with the PCBA company. Summary: Reorientate and relocate components as required to fit the LED in the right position. The LED should be located: - left edge of LED is 10mm from PCB edge - bottom edge of LED is 25mm from PCB edge I've provided a photo of the existing board and a potential way to re-orientate the MCU and move a FET and output jack to the right. You can accomplish the project how you want as long as its sensible and practical. Time is of the essence, so its expected that work will be completed within 1day I'll provide: - BOM, Eagle files and the prior design folder layout of all the files The work deliverables are: - PCB design file: Gerber RS-274X, PCB schematic and board in Eagle format, .png image exports - Pick&place file: Ceeting within 1 [url removed, login to view] - XY coordinate data - drill files and Gerber file ready to for submission to a PCB printer & assembly, ie pcbcart - It should use 10mil rules (ie [url removed, login to view]) and provide me a screenshot of the validation checks passing

    $33 (Avg Bid)
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    TV scan driver 5 days left

    I have a 1971 scanning electron microscope, electron microprobe. It has a TV rate scan board with 1970 era electronics including DTL microcircuits. It has ten different adjustments on the board. I want a simple TV (NTSC) single IC solution. Bart Cannon

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    We have the schematics of a complete CCPWM power supply unit. It outputs PWM high amps current. It uses Mosfets. The schematic need some changes. Some parts of the schematics will be removed. Arduino Due will be replaced with Nano V3.3 and we will add a trimmer and a LED 4digits. Since the schematic is ready and we only remove parts and do few changes, you understand that this Job is based in previous design. It will be an easy task with few hours of work.

    $27 (Avg Bid)
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    6 bids
    Circuit Designer 5 days left

    We need a Circuit Designer, Who Can Design circuit for us as per our demand, only serious people contact.

    $168 (Avg Bid)
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    20 bids

    Looking for a controller 'box' designer to develop DC Motor controller: 100-4000 RPM CONSTANT TORQUE, reversible direction unit. The motor will drive a small lathe via belt/pulley drive (this is NOT part of this job description) . The control box will have a basic functions: a display showing motor speed and CW/CCW direction switch). Your job is to - select DC suitable motor which can provide constant torque - design control unit - to provide working prototype, bill of material, Gerber files for PCB production I am looking specifically for an engineer who has extensive EXPERIENCE in the field of motor controllers, not a student or just someone with understanding of the circuitry but with no practical experience in production. Applications not supported with adequate and relevant portfolio will not be considered.

    $635 (Avg Bid)
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    Project for Denis A. 8 days left
    VERIFIED

    Hi Denis A., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

    $263 (Avg Bid)
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    4 bids

    Hello, We are looking for an electrical engineer to create a reverse trace width calculator using GSheets/Excel that will then be turned into a web tool.

    $21 / hr (Avg Bid)
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    help me fix my PCB board 4 days left
    VERIFIED

    i have a PCB board which is designed using SMT ( smart mount technology ) while we are required to have normal pcb boards where you drill holes then weld the components if its possible to be fix let me know please i need a new one today using multisim but if you can do one using pcb wizzard it can work as well

    $170 (Avg Bid)
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    29 bids

    I require someone to design and simulate an analogue circuit that creates a staircase sinusodial waveform using diode pumps. The assignment comes with a few specific requirements that are mentioned in the images attached, so please have a close look at the first image as well as the "Approach" section of the second image. For example, built-in sine wave/square wave generators are not allowed to be used. A short design report is also required. Please see the "credit allocation" section in the second image for what this report should include. This task needs to be done as soon as possible, so please indicate when you can get this done by. Many thanks.

    $27 (Avg Bid)
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    9 bids
    Need EEG Expert 4 days left
    VERIFIED

    We need a person who have experience on EEG. Task is to make a circuit to process EEG signals with necessary noise filters. And visualize this signal on some desktop application. Desktop application should display Alpha and Beta waves. Requirements: -> Breadboard circuit, Schematic Diagram -> Visualize Alpha and Beta waves from EEG electrodes. (Visualization on PC software) Only bid if you have genuine experience with EEG.

    $112 (Avg Bid)
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    4 bids

    Busco un tecnico en electronica que le guste el aeromodelismo y los drones para un proyecto que estamos creando. No es para un trabajo puntual es para desempeñar una actividad junto a nuestra empresa .

    $20 / hr (Avg Bid)
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    CAMERA ITS 3 days left

    We are looking for a capable electronic engineer who can design a CMOS Board Camera based on an Aptina AR0134, MT9M021 / 31 or similar sensor (1.3MPixel), needs to be Global Shutter. The camera will operate in snapshot mode, taking an on-demand image of an external trigger. (max 2 frames per second) It should have a good quality board bayer interpolation, either using a dedicated Image Signal Processor or an FPGA. Must send data through a digital data bus such as RGB or YUV (preferred RGB) The camera will be controlled via SPI, I2C or similar. For development and testing, a plate mounting lens will be used. If you have previous experience with a similar project and can complete this project by producing a camera prototype with a high quality image, respond by indicating your previous experience with CMOS image sensors and also indicate a "ball park" cost for your work. Also, please suggest your preferred sensor device and color interpolation option. The Firm Specifications will be created and agreed by both parties before committing to the firm price

    $7666 (Avg Bid)
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    Digital Signal Processing 01 3 days left
    VERIFIED

    I need support in DSP, My basic discipline is Aerospace, hence I need expert from DSP area. I need about 8 hors support withing next 20 hours

    $2 / hr (Avg Bid)
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    5 bids
    Wifi modem design 3 days left
    VERIFIED

    I am looking for hardware design guys who can help me in design wifi modem having 5G capability. Detailed specification would be shared with selected lancers.

    $457 (Avg Bid)
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    15 bids

    - Using the Cadence software - Schematic will be provided once the job is accepted

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    I need to build a street light that feeds from solar panel by day and from a battery by night. I have an idea of the schematic design and a parts list that I can provide but I am open to suggestions or ideas on how to do it. This is part of an effort for a group that builds houses for marginalized people near the Mexican border with the US. I can provide further details once I hire you. This would only be a PCB design on Eagle and I would be taking care of printing it. If you have further questions before you want to bid you can DM me. Thank you, Marcela

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    convert Orcad schematic and PADS layout to Kicad. we want libraries and related Kicad setup so the translated project can be easily revised and used to make a new PCB layout.

    $169 (Avg Bid)
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    13 bids

    I need to build a street light that feeds from solar panel by day and from a battery by night. I have an idea of the schematic design and a parts list that I can provide but I am open to suggestions or ideas on how to do it. This is part of an effort for a group that builds houses for marginalized people near the Mexican border with the US. I can provide further details once I hire you. This would only be a PCB design on Eagle and I would be taking care of printing it. If you have further questions before you want to bid you can DM me. Thank you, Marcela

    $177 (Avg Bid)
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    27 bids

    AC/DC input and output reqd fixed DC48v 25amp

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    20 bids
    Design a BJT amplifier 1 day left
    VERIFIED

    Design a BJT amplifier with given specifications with report and multisim simulation

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    30 bids

    We are a manufacturer and seller of egg incubation products. We are re-designing a thermostat controller for an incubator. We worked with a university senior class design team and mostly completed the project. However, now their class has ended and we still need to finish the project. We need an engineer with expertise in I2C and experience with PID controls. Thermostat and hygrometer sensor experience will be a huge help. I have attached a document written by the design team which explains the project, what was completed, and most importantly, what is not yet completed. Please see the document and especially the page which shows what still needs to be completed. We have all of the project and design files and documents that will be needed to finish this project. We also have an original prototype that was produced by the team. Please review the document and let us know if you are interested.

    $682 (Avg Bid)
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    i needs someone to build my circuit using Multisim and turn in into a PCB design the circuit will be given and all the components all you have to do is draw it in multisim and turn it to pcb

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    As project says it should be a PWM rectifier, drawing active power from the grid. It does not have specific requirements like power specification or so. IGBT can be used or MOSFET's. As PWM can be used any PWM with PFC. Only the schematics interest me. The PCB I will make it myself.

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    13 bids
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    Hi, I need support in develpoing a prototype for voice based product dispensing system. Happy to disucss in detail, if you find it relevant,

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    8 bids

    Proteus Circuit Simulation 

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    Printed Circuit Ended
    VERIFIED

    EVS-01 printed circuit board, schematics, layout, production files

    $490 (Avg Bid)
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    48 bids

    I am looking for someone who can design a circuit and make the PCB for me. It's for a new product that will be introduced in the market. Only interested people revert back.

    $120 (Avg Bid)
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    23 bids

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    Featured Sealed Top Contest

    I need someone to make me schematic of PCB - from photo. I am willing to provide as much help as I can but my knowledge is not perfect.

    $212 (Avg Bid)
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    Hello, We are designing a brand new product which must comply with the ATEX 95 equipment directive 94/9/EC. If you have experience with this directive we would like to count on you as an external advisor. If you think you have the skills to go ahead with us and you can demonstrate previous projects developed on this field, please do not hesitate to bid. To know you are not a robot, start your proposal with the words atexisok. Looking forward to hear from you.

    $55 / hr (Avg Bid)
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    need multisim expert in Digital electronics need this task by 21 Apr

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    4 Schematics required. A number of different components are used in each schematic. Schematics designed will be custom created and assembled through a company. Please message me to receive further infromation.

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    NDA
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    Circuit at logism Ended
    VERIFIED

    implement a digital circuit in Logisim for a door lock.

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    Hello I need for communication in the 433 MHz band 2 antenna designs (IFA and LOOP antenna) with a matching network circuit. I will then solder these antennas to my board.

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    there should be A and B inputs and the circuit should check if the A is divisible by B or not. and division should be worked like 10-2=8-2=6-2=4-2=2-2=0 then 10(a)is divisible by 2(b). we have only 30 minutes to do.

    $112 (Avg Bid)
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    we should draw a circuit in logisim. there should be 2 input like A and B. the circuit should check if A is dibisible by B or not. you should work with ALU. and division should be worked like 10-2=8-2=6-2=4-2=2-2=0 then 10(a)is divisible by 2(b)

    $21 (Avg Bid)
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    we should check if two given variables, A is divisible by B or not. Circuit should be draw in logisim.

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    I'm trying to make an easy version of an integrated circuit. This circuit primarily focuses on turning on the motor and shutting it down from distance. Instead of bluetooth technology, I'm considering built-in wifi for this goal. On top of this basic function, I'd like to add on couple of more features. Hardware and software engineers are both needed for this job.

    $35 / hr (Avg Bid)
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    Given two 4-bit integers, A and B, build a circuit that can outputs 1 if A is divisible by B, or 0 otherwise. It should be done using 4 bit ALU

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    Circuit design Ended
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    Logism circuit

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    Circut design Ended
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    Circuit design

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