电路设计 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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    44 搜到的工作,价格货币为 USD

    I am implementing a M-bus Master driver and need someone to help me with some design options / decisions. This person should have already designed M-bus master for communication with more then 20 devices and should be acquainted with M-bus restrictions, hardware and protocol. The idea is to have a call or series of calls (send price/hour please) where we speak about what parts should be used and ...

    $247 / hr (Avg Bid)
    $247 / hr 平均报价
    5 个竞标

    Hi, i need a person to build a accurate distance sensor for moving/floating object, with accurancy of 1mm, - Distance range could be 0 to 180mm, - operating volts - 2.8 to 5v

    $274 (Avg Bid)
    $274 平均报价
    8 个竞标

    This design require to have proper place for input and output ports. The designer who has similar work experience come to bid with previous sample work.

    $380 (Avg Bid)
    $380 平均报价
    16 个竞标

    I need 3 "connecting" PCB´s for a arduino project. There are some connectors, resistors and a DFPlayer Mini to be placed like decribed. SEE description PAGE 1 / 2 and shematic in annex. You should be able to do the job with the provided info´s in annex. Descripiton 1/2, schematics , datasheets. Proper and self-reliant work, quick response for my questions are assumed. Follow...

    $206 (Avg Bid)
    $206 平均报价
    32 个竞标

    I am looking for someone local - perhaps a mechanical designer, perhaps a machine shop that is good at this type of work. Most important is getting the actual system mounted and coupled and working! I would like CAD drawing if there are special parts. The goal of this project is to have the flippers (as shown in first picture), controlled by: a) Bigger stronger motors - for which a suggeste...

    $61 (Avg Bid)
    本地
    $61 平均报价
    2 个竞标
    Trophy icon Design an electronic filter 29 天 left

    Have a look at the detailed description in the pdf document.

    $150 (Avg Bid)
    加保
    $150
    0 项参赛作品

    I am looking for PCB antenna designer. Spec: 915MHz, minimum 2dBi gain You will start off PCB layout, after I check you are aware of the dipole PCB antenna trace size calculation method or handling formula. Thank you.

    $188 (Avg Bid)
    $188 平均报价
    8 个竞标

    Please see this link for a detailed job description: [登录来查看链接]

    $20 / hr (Avg Bid)
    $20 / hr 平均报价
    15 个竞标

    Hello Very urgent need of Power electronics based expert to start to work on small project based on power electronics as the deadline is 19th nov so its urgent. Apply if you are ready to start today and get it done urgently today

    $113 (Avg Bid)
    $113 平均报价
    5 个竞标

    I want to build pcb that can connect directly to 7 inch touch screen and 7 inch capacitive touch panel. This screen run on raspberry pi compute. thin design is very important. Your job: Build PCB schematic. PCB layout is optional( I can do it) able to use touch panel or somethings similar to "[登录来查看链接] " with raspberry pi compute. The pcb board must have rs485 and audio output for a s...

    $1560 (Avg Bid)
    $1560 平均报价
    22 个竞标

    We have Requirement of Active Power Harmonic Filter design for Electrical Power quality improvement. Those candidate who have Experience of this field can only apply. Please apply if you can design & give solution for above requirement.

    $533 (Avg Bid)
    $533 平均报价
    8 个竞标

    Must be willing to sign a Non-Disclosure Agreement. I don't know exactly what to call it but here are the details. The program must be able to read battery charges, flow of electricity to four different points of operation, and operate machinery based on those changes.

    $552 (Avg Bid)
    $552 平均报价
    8 个竞标

    Need pin planner for an already completed project in intel quartus. Need pin planner assignments for DE 10 lite board, Board id:10M50DAF484C7G.

    $85 (Avg Bid)
    $85 平均报价
    5 个竞标
    PCB design 5 天 left

    Hello, We would like to design a product based on a PCB that allows to ramp up a 7V DC Li battery to about 1kV AC output. We can share with a potential candidate all the specifications in more details. Thank you

    $1105 (Avg Bid)
    $1105 平均报价
    24 个竞标
    Android app 5 天 left

    Android mobile app required for service

    $47 (Avg Bid)
    $47 平均报价
    2 个竞标
    PCB Project 4 天 left

    I want to do a schematic and layout.

    $168 (Avg Bid)
    $168 平均报价
    27 个竞标

    RF Receiver: 434,000 MHz 2 Channel Wireless Receiver 9 – 32VDC Operating Voltage Positive Output (Latched until Negative unlatch received) Unlatch Negative input Negative Output Channel 1 (Momentary) 2A Negative Output Channel 2 (Momentary) 2A Built in Buzzer (Buzzer signal when RF signal received, NO SIGNAL if LATCH ON) Buzzer Specs: PCB Mount; 3500Hz; >90dB; Learn Button ( PCB mount but...

    $148 (Avg Bid)
    $148 平均报价
    12 个竞标

    Familiar with elevator installation At least 1 year of related experience Good English knowledge

    $991 (Avg Bid)
    $991 平均报价
    3 个竞标

    We are a manufacturing company in China. We have an urgent requirement for an Electrical/Electronics Engineer who is knowledgeable in circuitry engineering. This position requires someone who is able to write and produce Gerber drawings for touch screen technology. Please see attached video to see the basic requirements for this position.

    $11 / hr (Avg Bid)
    $11 / hr 平均报价
    9 个竞标
    router design 4 天 left
    已验证

    Asynchronous-Logic QDI Quad-Rail Sense-Amplifier Half-Buffer Approach for NoC Router Design

    $21 - $174
    $21 - $174
    0 个竞标
    Analog cmos VLSI Design 4 天 left
    已验证

    Full custom design of Sense Amplifier Half-Buffer for asynchronous VLSI Design.

    $208 (Avg Bid)
    $208 平均报价
    2 个竞标

    We need a pcb capable of controlling 4 brushed motors and a battery controller.

    $21 / hr (Avg Bid)
    $21 / hr 平均报价
    22 个竞标

    10 teclas numéricas → de 0 até 9; • 5 teclas de operações → soma, subtração, multiplicação, divisão e igual; • 1 tecla de resetar; • 5 displays de sete seguimentos, representando números de +9999 até -9999; Deverá ser feito também o projeto do temporizador 555, escolhido de forma a o...

    $10 - $30
    $10 - $30
    0 个竞标

    I need a 12v relay system for trailers converted to scematic for production. The circuit board is approximately 50mm x 40mm

    $55 (Avg Bid)
    $55 平均报价
    16 个竞标

    Hi Peter Please let me know if you are able to specify and provide detailed design for custody transfer metering skid and systems for crude oil? Kind regards Mohamed

    $21 / hr (Avg Bid)
    $21 / hr 平均报价
    6 个竞标

    Android Smartwatch Developer Requirements; - Experienced Smartwatch developer - Prefer pre-developed 4G Smartwatch stable platform that is available for customizations. (board and casing) Customization: Add sensors to the existing board or add an additional board.

    $1232 (Avg Bid)
    $1232 平均报价
    22 个竞标
    Motor Control 2 天 left

    Capacitive Touch Motor Control. This control will consist of two PCBs. One will be a capacitive 12 key touch pad, the other will be a high voltage relay control. I want someone to review and improve the current design on file. I am currently using the TP229 chip to control the capacitive touch sensing. I would like to switch to the Qtouch or similar method. Also the control needs to have any noise...

    $509 (Avg Bid)
    $509 平均报价
    29 个竞标

    Need an Electronic Engineer to design a full bridge rectifier circuit to transform 60v AC to stable 24v DC. Details to discuss in private

    $128 (Avg Bid)
    $128 平均报价
    39 个竞标
    POWER Electrical ASAP help 2 天 left
    已验证

    need help with few questions right now

    $23 (Avg Bid)
    $23 平均报价
    17 个竞标

    Hello Developers This project is to create a linearization system for the output of a temperature sensor which is it has not a linear output but exponential. With a system or circuit of op-amps have outputs values (0-5v range) with relationship [ -10°C ~ 100°C] and then use them as inputs for a micro-controller (Arduino) from 0,1v to 5v with operating voltage. Find a image and sensor dat...

    $42 (Avg Bid)
    $42 平均报价
    9 个竞标
    OrCAD 10 layer PCB layout 2 天 left
    已验证

    I have a board that requires layout. The schematic capture was completed in OrCAD Layout instructions for mechanical placement are provided and important components and high speed signals layout is also finished. Place a bid only who is using OrCAD 16.6 and have a long experience with OrCAD PCB layout.

    $225 (Avg Bid)
    $225 平均报价
    13 个竞标

    image / speech processing by Matlab code to be done raspberry pi hardware. (Egyptian preferred)

    $22 / hr (Avg Bid)
    $22 / hr 平均报价
    5 个竞标

    As part of the earthing and bonding section at Sydney Trains, a complete short circuit analysis needs to be carried out.

    $749 (Avg Bid)
    $749 平均报价
    15 个竞标

    I would like to create a digital SMPS with these specifications: Input: 20~45V, 20A Output: 29.4V +- 0.1V (configurable in the range 25~34V) Current: 20A continuous, or more Efficiency: > 85% Must be digitally controllable: though serial, SPI or whatever, we must be able to control output voltage => most important part Input GND should be linkable with output GND => I was thinking about ...

    $20 / hr (Avg Bid)
    $20 / hr 平均报价
    14 个竞标

    To design and build prototype of full solid-state static voltage stabilizer using IGBT/ MOSFET in PWM AC Chopper/Inverter topology with Buck Boost Transformer with any suitable DSP IC # Deliverables WORKER MUST PROVIDE : 1. Complete and detailed Schematic Diagram of the product. 2. Complete artwork of the PCB including laser print out of the tracks and pads, laser print out of component layou...

    $1639 (Avg Bid)
    $1639 平均报价
    4 个竞标

    Automation Engineering - Electrical Engineering: For projects in the renewable energy and waste treatment market we are searching manpower to cope with the upcoming projects in our company. Mainly we are working on anerobic digestion plants for food waste and other bio energy resources of industrial scale for clients all over Europe. We as a company provide to our clients the following work pac...

    $2618 (Avg Bid)
    $2618 平均报价
    35 个竞标

    I need a professional engineer who can use Matlab on raspberry hardware to help in a project (Egyptian)

    $145 (Avg Bid)
    $145 平均报价
    9 个竞标

    Hello there need experienced developer to work on small power electronics based project . would like this to be developed urgently as the deadline is 15th nov

    $262 (Avg Bid)
    $262 平均报价
    11 个竞标

    Hello there need experienced developer to work on small power electronics based project . would like this to be developed urgently as the deadline is 15th nov

    $105 (Avg Bid)
    $105 平均报价
    5 个竞标
    Circuits 3 help 14 小时 left
    已验证

    hello i have a test tomorrow around 1:30pm arizona time. The test is about circuits 3. I will send you last years questions here. I need help with that. Please text me here if you are able to do it

    $35 (Avg Bid)
    $35 平均报价
    12 个竞标

    This project is still available as of 14 November 2019. *** OVERVIEW *** - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microcontroller. - You do *not* need any experience with... ESP32, microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, or circuit design. *** HOURS *** You m...

    $14 / hr (Avg Bid)
    $14 / hr 平均报价
    114 个竞标

    We currently have a relatively simple DC electrical system used to control an agricultural grain handling machine. Attached are images of the current system. There are a couple of variations of this but in principle they are all the same. We need these drawn up as electrical schematics with all details including connectors, cable sizes and lengths. Original files and PDFs required at completion ...

    $427 (Avg Bid)
    $427 平均报价
    8 个竞标
    Schematic Entry 1 小时 left

    Need someone to re-create the attached schematic in PADs or ORCAD. There would be a follow on project that involves adding additional circuitry.

    $393 (Avg Bid)
    $393 平均报价
    17 个竞标
    Schematic layout 1 小时 left

    Experience wit BGA design and power circuit. Knowledge in multi- layer PCB matched impedance

    $168 (Avg Bid)
    $168 平均报价
    19 个竞标