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.

雇佣Circuit Designers

筛选

我最近的搜索
筛选项:
预算
类型
技能
语言
    工作状态
    43 搜到的工作,价格货币为 HKD
    RFID-125KHz-UART reader 6 天 left
    已验证

    I need a reader for 125KHz cards and fobs. I want to read the CARD/KEY FOB ID on my pic UART RX line. The most important is to get antenna on PCB like Mikroelektronika did here [登录来查看链接] The distance to read is not important, as the card can touch the antenna up to 3-4 cm. I need schematic, which is not the end of the word and i did it too, but the most important are the Eagle file :Board and Sch...

    $1685 (Avg Bid)
    $1685 平均报价
    10 个竞标

    Hi We require a power supply that converts AC 230V to DC 24V. We need an electrical engineer who has practical experience in switching power supply design and also have developed similar power supplies before. Power: 60W + 10% Input Voltage: 100-265V AC Output Voltage: 24V Output Current: 2.5A RIPPLE & NOISE (max.): as low as possible VOLTAGE ADJ. RANGE: 22 ~ 26 V FREQUENCY RANGE: 47 ~ 63Hz...

    $1147 (Avg Bid)
    $1147 平均报价
    9 个竞标

    i want circuit of passive filter, input will be 220Volt AC + 12Volt DC and output should be only 12 Volt DC. and second one - input 220Volt AC + 12 Volt(1000Hz +10 KHz + 100KHz + 200KHz + 300Khz......1MHZ) and required output should be only 12 Volt (10KHz), needed with formula to change the circuit design according required output frequencies

    $151 (Avg Bid)
    $151 平均报价
    6 个竞标

    Build a SMPS pcb design to drop 90-260v AC to 5v dc with compact design max size should be Product height is of 22 mm Product width is of 24 mm Product length is of 37 mm it will run 24x7

    $149 (Avg Bid)
    $149 平均报价
    3 个竞标

    *** 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 must work *one hour* per day, five days (or nights) per we...

    $118 / hr (Avg Bid)
    $118 / hr 平均报价
    16 个竞标

    We are looking for an RF design expert to provide guidance on the choice of antennas for a small wearable GPS tracker device. PCB size: 45mm x 36mm or smaller Frequencies: GSM 900/1800MHz GNSS: GPS, GALILEO, GLONASS BLUETOOTH/BLUETOOTH LE: 2.4 GHz You MUST have practical experience with designing antennas for small PCBs and be capable of *designing* a custom antenna from scratch - n...

    $1176 (Avg Bid)
    $1176 平均报价
    12 个竞标
    Circuit design with EMC 5 天 left
    已验证

    Hi, I am designing a pressure indicator with the accuracy better than 0.02% of FSR. Below is the attached circuit. Someone has to carefully check the complete circuit with selection of components. Need to alter the circuit with overvoltage, overcurrent, reverse battery protection, EMC, etc. Need to alter battery indication circuit with protection which is connected to PIN A0 of micrcontroller an...

    $140 (Avg Bid)
    $140 平均报价
    2 个竞标

    1. Need to code and replicate the results for small portion of the paper that is attached 2. Electrical engineering background, with specialization in Power systems are required 4. Price can be negotiated

    $1662 (Avg Bid)
    $1662 平均报价
    12 个竞标

    it produce analog outputs like 4-20mA & 0-10 volt output according to variable inputs.

    $3099 (Avg Bid)
    $3099 平均报价
    12 个竞标

    Project Schematic Using Altium Designer software

    $37 / hr (Avg Bid)
    $37 / hr 平均报价
    24 个竞标
    PCB Design 5 天 left
    已验证

    Design a pcb , require understanding of electronics

    $1450 (Avg Bid)
    $1450 平均报价
    39 个竞标

    I have a thermostat PCB board (see attached pictures) that I can send you and I need to take that design and make a few changes outlined below: Change layout of components to work with my layout requirements (see attached picture) - High accuracy - Measure temperature in Fahrenheit (Celsius optional) - Customized PCB size 80mm x 80mm with 4 mounting holes in corners - size needed to mount...

    $1591 (Avg Bid)
    $1591 平均报价
    25 个竞标

    I want a rear view camera for my track car that will constantly "live stream" the footage from a camera that is facing to the rear of the car to a display screen that is mounted in the cockpit - essentially being the tech equivalent of the conventional rear view camera. It needs to be a standalone system, simply plug it in to a 12V feed from the car's battery and it will work. I&...

    $5284 (Avg Bid)
    $5284 平均报价
    17 个竞标

    I need someone who can design an electronic card for me. You will be responsible for following: 1. Components Selection 2. Electronic Circuit Design 3. Testing and QA 4. PCB Design It is very small card that needs controlling of three relays and 2 flow sensors. It also includes wireless communication through Wifi and LCD display. Further details will be shared with selected freelancers. If you ...

    $1317 (Avg Bid)
    $1317 平均报价
    8 个竞标

    an existing board has the ability to monitor and provide some reaction based on inputs . We would like the components that handle the current to be upgraded and the schematic of the board to be altered based on the manufacturer specifications of the IC that is used from texas instruments . existing files drawn in eagle cad will be provided and requirement list provided in full upon successful comm...

    $3645 (Avg Bid)
    $3645 平均报价
    27 个竞标

    Dear All, Looking for someone with knowledge in Power, and Nuclear Reactor. Preferably Electrical Engineering Grad. The task is very simple, and would barely take 1 hour to complete. Please get back to me.

    $219 (Avg Bid)
    $219 平均报价
    9 个竞标

    i have decided to published a Engineering questions and answers step by step book for the Engineering students. i want to hire 2,3 people for my project. i have more than 10000 Electrical Engineering questions and i need step by steps answers for that. so before i hire a person i need to first check that person good to solve my questions. i will give one my creative question for you. i need step...

    $8152 (Avg Bid)
    $8152 平均报价
    25 个竞标
    433 MHz Protocal 4 天 left
    已验证

    We have a smoke alarm with RF 433 from one supplier and we wish to find out if possible the coding for it?

    $795 (Avg Bid)
    $795 平均报价
    9 个竞标
    PCB design 3 天 left
    已验证

    I am looking for someone who can help me in designing PCB and software (Embedded system) Only People from China can quote (Sorry for other Nationality)

    $3496 (Avg Bid)
    $3496 平均报价
    12 个竞标

    an existing board has the ability to monitor and provide some reaction based on inputs . We would like the components that handle the current to be upgraded and the schematic of the board to be altered based on the manufacturer specifications of the IC that is used from texas instruments . existing files drawn in eagle cad will be provided and requirement list provided in full upon successful comm...

    $3841 (Avg Bid)
    $3841 平均报价
    21 个竞标
    Convert PCB file to altium 3 天 left
    已验证

    The files are probably in PADs but need to be converted to Altium project file with corresponding: [登录来查看链接] and 2. PCB board files and 3. parts library. Will send files when project awarded. Thank you

    $478 (Avg Bid)
    $478 平均报价
    20 个竞标

    I'm looking for someone who can design and build a 3-watt 8 ohm amplifier based on the Nelson Pass Zen headphone amplifier with NJW1194 transistor for volume and tone controls. Power supply must be AC Regenerated like the Monarchy Audio AC Regenerator. Bid must include all parts and labor

    $3488 (Avg Bid)
    $3488 平均报价
    11 个竞标

    I want to design a PCB board of 25 layers in PADS layout. If you have latest PAds software.

    $9524 (Avg Bid)
    $9524 平均报价
    13 个竞标
    PCB Design 3 天 left

    Small PCB Design for time and date

    $37 / hr (Avg Bid)
    $37 / hr 平均报价
    18 个竞标
    nrf9160 board 3 天 left

    looking for someone with experience to design a board with the Nordic nRF9160 LTE modem. smallest form factor

    $259 / hr (Avg Bid)
    $259 / hr 平均报价
    9 个竞标

    I have a product design which requires electronic circuit. I will provide the specific output and inputs i require from this device. It is a mix of networking device and charging device.

    $1364 (Avg Bid)
    $1364 平均报价
    18 个竞标
    chrisscoleman 3 天 left

    1 Semiconductor fingerprint sensor 2 Intelligent update function of fingerprint information,Constantly learn and store user new fingerprint information. 3 Rated voltage:4-8 pcs batteries power supply Have a external power interface(DC-5V;Micro USB interface) 4 There are 1 buttons on the back of the door battery box:Initialization(Resume out of the factory)Key.

    $3948 (Avg Bid)
    $3948 平均报价
    9 个竞标

    Design of a three phase T-type, 400vac-5kw, solar grid tie inverter. Design including hardware and software, standards compliant , field tested design required. Min 5 years design experience in solar grid tie inverters. Please do not respond if you do not meet experience criteria. Detailed specifications will be discussed after shortlisting.

    $36793 (Avg Bid)
    $36793 平均报价
    8 个竞标

    i have decided to published a Engineering questions and answers step by step book for the Engineering students. i want to hire 2,3 people for my project. i have more than 10000 Electrical Engineering questions and i need step by steps answers for that. so before i hire a person i need to first check that person good to solve my questions. i will give one my creative question for you. i need step...

    $3872 (Avg Bid)
    $3872 平均报价
    45 个竞标

    Dyumnin Semiconductors is in the ASIC/FPGA design business. We are looking for experienced PCB designers who can take our design sketches and convert it to functional PCB design. Please give references to past similar projects (FPGA+analog+high-speed) We are open for both hourly and fixed price contracts. Please provide your rate card for both in the bid document

    $211 / hr (Avg Bid)
    $211 / hr 平均报价
    13 个竞标

    I need Fuel Supply System for my burners. I have bulk tank of 15,000 Ltr and Daily tank of 1,000 ltr. I want electrical drawing for this system. there will be multi level float sensors and in both tanks. Working Principle: Possibility of Auto / Manual In Auto mode the pump should work if there is enough fuel in Bulk tank and low fuel in daily tank. In Auto Mode the pump should not work if the da...

    $212 (Avg Bid)
    $212 平均报价
    14 个竞标

    Looking for [登录来查看链接] engineer who done his/ her degree in [登录来查看链接] in electrical. I need a Convertor for using in electrical vehicles for 48v to 12v.

    $1019 (Avg Bid)
    $1019 平均报价
    8 个竞标
    Build prototype dashcam 1 天 left
    已验证

    Need a dashcam built with proprietary software. NDA signing required.

    $180 / hr (Avg Bid)
    保密协议
    $180 / hr 平均报价
    11 个竞标

    Hi we are a technology business, looking for a experience engineer to design a 2.4GHz doppler radar transmitter with 2-3MHz bandwidth. We have identified LMX2491 for generating the required signals/bandwidth. More info will be given as required.

    $44307 (Avg Bid)
    $44307 平均报价
    16 个竞标

    I need PCB layout for BMS with high voltage circuit of 12*50V. in addition there are some circuits for 3.3, 5, 12V. i want to separate each parts and design carefully based on high voltage and current. if i find a developer can be satisfied me, i will don't spare bonus.

    $259 / hr (Avg Bid)
    $259 / hr 平均报价
    23 个竞标

    I need a circuit that can take DC power (i.e. 30 volt) and turn it into 100 kHz positive and negative output (-30 and +30V pulses). The required H-Bridge needs to be designed, circuit protection added, frequency and duty cycle adjustability is a plus, components needs to be selected and Gerber file needs to be developed.

    $4209 (Avg Bid)
    $4209 平均报价
    44 个竞标

    6 axis robot development, It is an existing project. Experience with STM32 F411 , STM32 F7 Series. Trinamic TMC5160, TMC4330. RS422, RS485 with SP3070E-78E Family. Magnetic Encoders AS5147.

    $9304 (Avg Bid)
    $9304 平均报价
    34 个竞标

    I need a professional to help me design a wireless transmitter and receiver boards. The signal to be transmitted would be the sound of the heart, captured with a microphone.

    $1528 (Avg Bid)
    $1528 平均报价
    19 个竞标

    Lithium ion battery manufacturer. Require an electronic engineer to verify the electronic robustness some of our circuit board designs. Possibly also design a new version of some boards which includes fault finding circuitry (more for the external systems than the board itself).

    $2986 (Avg Bid)
    $2986 平均报价
    23 个竞标
    PCB MAKING 10 小时 left

    I want to make pcb for transformer, SMPS, motor drive, plc program.

    $43048 (Avg Bid)
    $43048 平均报价
    15 个竞标

    We are looking for an Electrical Engineer to provide a design review / second opinion of a PCB schematic prior to sending off for production. This would be a fairly small job consisting of a meeting to gain an understanding of the overall application and then a review of the design itself.

    $3127 (Avg Bid)
    $3127 平均报价
    46 个竞标
    $9328 平均报价
    35 个竞标