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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    32 找到的工作,价格在 HKD

    I am looking for a tutor to teach me

    $744 (Avg Bid)
    $744 平均报价
    3 竞标

    I need a single line diagram for a 33kw solar electric system. Its a 3 phase 120v/208v , system using (91) 370 watt panels and 3 Fronius 3 phase inverters. It will connect to a 800A service.

    $3125 (Avg Bid)
    $3125 平均报价
    5 竞标

    I need a circuitboard design for LED lights being triggered by a motion sensor and a photo receptor.

    $3227 (Avg Bid)
    $3227 平均报价
    14 竞标

    Pic micro controller to measure 3 phase voltage and current measurement & control the relays based on current readings

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

    Design a bias network using Cadence Spectre (or other CAD software as longs as I can easily follow your steps). Must generate a 10uA current with gm = 100uS that cannot vary by more than +-10% over -40 C to 130 C or supply variations of +-10% with a nominal 1.8V supply. You come up with the idea of using a constant gm bias circuit to bias the amplifier. Design the bias network and determine the d...

    $470 (Avg Bid)
    $470 平均报价
    3 竞标

    I have problems in simulating and confused on some Advanced power electronics problems that have "PWM full-bridge" and "dc-ac". I need them to be done within 6 hours

    $1504 (Avg Bid)
    $1504 平均报价
    8 竞标

    Mainscope: Engineering, PCB Layout Design, Embedded Software, prototype - Induction heater Power : 2KW Frequency : 8-30kHz Input Voltage : 350VAC 60Hz Single Edge quasi resonant Dimension : 25 mm x 25 mm x xmm (the depth is independent) Controls: -Current measurement -Voltage measurement -4 digital Inputs -4 digital Outputs -Can Bus The power parts and MCU has to be...

    $12432 (Avg Bid)
    $12432 平均报价
    10 竞标

    I want to build a product with very similar specifications to this one: [登录来查看链接] The job is to design a schematic for a product which would meet the following requirements: Read animal RFID Ear tags(134.2Khz) at a range of 1 meter or more.(This is the difficult part) It will be made of two parts.1 - RFID Reader, 2 - Antenna Enclosure design is not required at this stage. Schematic only.

    $1543 (Avg Bid)
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    9 竞标

    I have problems in simulating in PLECS and confused on some Advanced power electronics problems that have "PWM full-bridge" and "dc-ac". I need them to be done within 9 hours

    $1253 (Avg Bid)
    $1253 平均报价
    3 竞标

    I have a project based on raspberry pi 3. I want to make PCB design to customized the raspberry pi board by adding some components/Module in it and also to remove some of unwanted things from raspberry board.

    $1880 (Avg Bid)
    $1880 平均报价
    7 竞标
    Reverse engineer 4 layer PCB 5 日 left
    已验证

    Hi, I am looking to have both the upper and lower PCB reverse engineered. Schematics and PCB layout drawn up. Thanks

    $19086 (Avg Bid)
    $19086 平均报价
    22 竞标

    Hello, I'm looking for someone who can help me in building a drone. I have the basic schematic set but need some finetuning.

    $371 (Avg Bid)
    $371 平均报价
    13 竞标

    I Want to make a Smart UPS Circuit simulation + PCB hardware which can pass EMC test • you have to give me full details other circuits why not recommended and why your circuit recommended. • Must show digital current and voltage usage and total voltage and total current • Can be modified by battery size • Explanation Supporting Material Comparison of Results with Other Model...

    $1457 (Avg Bid)
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    5 竞标

    I need a small touchpad (2cm X 2cm max.) for using on PC. (USB or wireless) We may use a custom printed circuit board (PCB) design and layout or even use a Blackberry trackpad for this purpose. [登录来查看链接]:[登录来查看链接] [登录来查看链接]

    $1167 (Avg Bid)
    $1167 平均报价
    5 竞标

    Instructions detailing necessary hardware and communications methods to turn on the battery, read cycle count, cell voltage for each cell, temperature, warning flags or error codes, percent charge and battery firmware version for the DJI TB55 battery. While the battery is on and these data are being read, charging and discharging the battery must be allowed at the same time. All this functionali...

    $13173 (Avg Bid)
    $13173 平均报价
    13 竞标

    i want the smps of 12V 15Amps current rating with circuit diagram explanation, pcb design layout and current calculations,designing

    $1456 (Avg Bid)
    $1456 平均报价
    3 竞标

    I am looking for someone to design a control panel on Eplan complete with parts list for the control of two 1.1kW motors via a 120V inverter drive. I will provide a list of recommended parts and a sequence of operation. The system will have feedback from an pressure transducer with analogue output to a Red Lion controller. Control will be via relay logic and control voltage will be 24Vdc. We desi...

    $1786 (Avg Bid)
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    21 竞标

    I need someone to design a controller of a brushless motor for me. It's a AC brushless / slotless motor. Power rating in the 60W, 200mA, 24V ranges, up to 40,000 rpm. The functionality of the controller includes speed control, gear switch, memory of the current status of the motor, combination of the different keys, LED display, etc.,

    $25272 (Avg Bid)
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    19 竞标

    Need a schematic diagram showing the connections of micro controller with photo detector and infrared light. Note: Requires basic knowledge of microcontrollers

    $148 (Avg Bid)
    $148 平均报价
    6 竞标

    I have a 30 year old wiring diagram for a 12 volt gate operator that I would like to have updated using modern electronics also consultation/input about the best choices of components . The old drawing consists of an open contactor, close contactor, safety relay, hold open relay, run timer, timer to close and a terminal strip for connection to limit switches, motor, buttons to operate etc.

    $4973 (Avg Bid)
    保密协议
    $4973 平均报价
    13 竞标
    PCB design 3 日 left

    I want a PCB board to be designed from the circuit diagram.

    $117 (Avg Bid)
    $117 平均报价
    48 竞标

    Required a person to design a circuit for a machine which operates using weight balance and computer. Interested person kindly contact for other details. Vaibhav-[Removed by Freelancer.com Admin] Location-Agra or Lucknow

    $2731 (Avg Bid)
    $2731 平均报价
    8 竞标

    Hello, i want a device which detects the shape (movement) of an animal ( see : [登录来查看链接] ) and plays a sound (for example : the barking of a dog) and rotates an object (for example : a thin (3-5mm), light, plank (wood or plastic), which has the shape (outline) of a dog) if possible, the animal must be detected at 360°, if not, back and front (90°90°), and then the object must rotate t...

    $1846 (Avg Bid)
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    6 竞标

    Detail will be share over through the chat. I repeat only From pakistan . Thanks

    $39 / hr (Avg Bid)
    $39 / hr 平均报价
    14 竞标
    Module wifi + Bluetooth 2 日 left
    已验证

    Smallest possible ready to use module with BLUE-NRG2 and wifi with appropriate antenna. The scope is to let integrators have a fast solution to integrate in their board a connectivity bluetooth and wifi.

    $238 / hr (Avg Bid)
    $238 / hr 平均报价
    15 竞标

    Looking for electric circuits and inverter design engineer for our startup company

    $13875 (Avg Bid)
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    12 竞标
    BLUETOOTH MODULE 1 日 left
    已验证

    Creation of a small module that include chip BLUE-NRG2 + gyro 6 axis. the small module need also a small manual for integration.

    $247 / hr (Avg Bid)
    $247 / hr 平均报价
    19 竞标
    PCB IOT DEVICE 1 日 left
    已验证

    We need the development of an IOT board with bluetooth technology using STM BLUE-NRG2 chip, an appropriate MCU and a sensor who can detect temperature of a specific surface to which it is in contact. (further detail will be provide). The pcb need to be as small as possible. thanks

    $8698 (Avg Bid)
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    45 竞标

    i have pcb file which placed all components. it is very small pcb and components. i will attach image of the pcb. I need to be done on Altium designer. i need to need only routing

    $1206 (Avg Bid)
    $1206 平均报价
    47 竞标

    I am looking for a LTSpice expert who is knowledgeable and confident in circuit design. The circuit design I have currently now is near completion and hence, this task is a small one and would require only a little of your time. The successful simulation done on this LTSpice task will be reflected on the actual hardware circuit. However, the deadline for this project is in a day's time and he...

    $670 (Avg Bid)
    $670 平均报价
    8 竞标

    I need a electrical expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    $737 (Avg Bid)
    $737 平均报价
    68 竞标

    I need a Electronics and microcontroller expert for my current project. If you have knowledge please bid. Details will be shared in message with the selected freelancers.

    $1266 (Avg Bid)
    $1266 平均报价
    103 竞标