电路设计 工作与竞赛

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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项目/竞赛 描述 竞标数/参赛作品数 技能 已开始 结束 价格(HKD)
TV scan driver 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 2 工程, 电子, 微控制器, 电機工程, 电路设计 Apr 25, 2018 今天6天 15时 $322
CCPMW light version 1.01 - open to bidding 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 pre... 6 电子, 电機工程, 印制板布局, Arduino, 电路设计 Apr 25, 2018 今天6天 12时 $210
Simulink project Electrical background required for simulink model for personal assignment 18 电子, 矩阵及数学软件, 电機工程, 电路设计 Apr 25, 2018 今天6天 11时 $55
Circuit Designer We need a Circuit Designer, Who Can Design circuit for us as per our demand, only serious people contact. 14 电子, 微控制器, 印制板布局, Arduino, 电路设计 Apr 25, 2018 今天6天 11时 $1310
DC Motor controller: 100-4000 RPM CONSTANT TORQUE, reversible direction unit 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 ... 13 电子, CAD/CAM, 印制板布局, 产品设计, 电路设计 Apr 25, 2018 今天6天 8时 $5077
Project for Denis A. Hi Denis A., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 4 电子, 微控制器, 电機工程, 印制板布局, , 电路设计 Apr 24, 2018 今天9天 5时 $2064
PCB Expert + Mechanical Engineer 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. 5 电子, PLC 与 SCADA, 电機工程, 印制板布局, 电路设计 Apr 24, 2018 Apr 24, 20185天 14时 $173
help me fix my PCB board 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 28 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 24, 2018 Apr 24, 20185天 14时 $1335
Design and simulate an analogue circuit that creates a staircase sinusodial waveform using diode pumps 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... 9 工程, 电子, 电機工程, 数字设计, 电路设计 Apr 24, 2018 Apr 24, 20185天 13时 $209
Need EEG Expert 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 bi... 4 电子, 微控制器, Arduino, 电路设计 Apr 23, 2018 Apr 23, 20185天 5时 $877
CAMERA ITS 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 Signa... 5 工程, 电子, 微控制器, 电機工程, 电路设计 Apr 23, 2018 Apr 23, 20184天 19时 $64336
Digital Signal Processing 01 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 4 工程, 电子, 机械工程, 电機工程, 电路设计 Apr 23, 2018 Apr 23, 20184天 18时 $15
Wifi modem design 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. 14 电子, 电機工程, 印制板布局, 产品设计, 电路设计 Apr 23, 2018 Apr 23, 20184天 15时 $3531
Layout area (440 squared micrometer) for 8 (31-stage) ring oscillator - Using the Cadence software - Schematic will be provided once the job is accepted 8 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 23, 2018 Apr 23, 20184天 15时 $197
PCB Design for solar street lights 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... 10 电子, CAD/CAM, 电機工程, 印制板布局, 电路设计 Apr 23, 2018 Apr 23, 20184天 9时 $212
Convert Orcad and PADS to Kicad 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. 13 电子, CAD/CAM, 电機工程, 印制板布局, 电路设计 Apr 22, 2018 Apr 22, 20184天 4时 $1326
PCB Design for solar street lights 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... 27 电子, CAD/CAM, 电機工程, 印制板布局, 电路设计 Apr 22, 2018 Apr 22, 20183天 11时 $1389
PCB design and development AC/DC input and output reqd fixed DC48v 25amp 20 电子, 印制板布局, 电路设计 Apr 22, 2018 Apr 22, 20183天 8时 $1113
Design a BJT amplifier Design a BJT amplifier with given specifications with report and multisim simulation 29 工程, 电子, 矩阵及数学软件, 电機工程, 电路设计 Apr 21, 2018 Apr 21, 20182天 15时 $196
Egg incubator thermostat controller - finish design and firmware and final testing, troubleshooting 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 sens... 15 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 20, 2018 Apr 20, 20181天 22时 $5352
multisim design a PCB circuit 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 20 工程, 电子, 电機工程, 印制板布局, 电路设计 Apr 20, 2018 Apr 20, 20181天 15时 $1464
PWM rectifier schematic 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. 13 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 20, 2018 Apr 20, 20181天 13时 $307
工程, 电子, 矩阵及数学软件, 电機工程, 电路设计 Apr 20, 2018 Apr 20, 20181天 12时
Circuit Design (Egyptian preferred) Demonstrate Liner Circuit Design 17 工程, 电子, 电機工程, 数字设计, 电路设计 Apr 19, 2018 Apr 19, 201823时 58分 $832
Voice based despensing system - open to bidding Hi, I need support in develpoing a prototype for voice based product dispensing system. Happy to disucss in detail, if you find it relevant, 8 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 19, 2018 Apr 19, 201817时 59分 $4347
Proteus Circuit Simulation  Proteus Circuit Simulation  29 电路设计 Apr 19, 2018 Apr 19, 201811时 22分 $188
Printed Circuit EVS-01 printed circuit board, schematics, layout, production files 48 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 19, 2018 Apr 19, 201810时 38分 $3845
Circuit and PCB design for a brand new product 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. 23 工程, 电子, 电路设计 Apr 19, 2018 Apr 19, 20187时 7分 $943
电路设计, 印制板布局, 软件开发 Apr 18, 2018 Apr 18, 20188天
Making PCB schematic 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. 36 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 18, 2018 Apr 18, 2018已经结束 $1660
Hardware design consultancy ATEX 95 equipment directive 94/9/EC 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... 10 电子, 电機工程, 印制板布局, 电路设计 Apr 18, 2018 Apr 18, 2018已经结束 $432
Multisim- Digital Electronics need multisim expert in Digital electronics need this task by 21 Apr 11 工程, 电子, 矩阵及数学软件, 数字设计, 电路设计 Apr 18, 2018 Apr 18, 2018已经结束 $201
keypad logger magstripe logger keypad and mag logger 4x6 matrix keypad 16 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 18, 2018 Apr 18, 2018已经结束 $4198
Custom PCB and component design 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. 15 电子, CAD/CAM, 电機工程, 印制板布局, 电路设计 Apr 17, 2018 Apr 17, 2018已经结束 $670
Circuit at logism implement a digital circuit in Logisim for a door lock. 3 电子, Verilog / VHDL, 微控制器, 电機工程, 电路设计 Apr 17, 2018 Apr 17, 2018已经结束 $196
Designing a Small Antenna for TPMS 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. 9 无线, 工程, 微控制器, 电機工程, 电路设计 Apr 17, 2018 Apr 17, 2018已经结束 $165
digital logic design circuit in logisim 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. 9 工程, 电子, Verilog / VHDL, 电機工程, 电路设计 Apr 17, 2018 Apr 17, 2018已经结束 $879
digital circuit in logisim 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) 6 电子, Verilog / VHDL, 微控制器, 电機工程, 电路设计 Apr 17, 2018 Apr 17, 2018已经结束 $165
logisim digital circuit we should check if two given variables, A is divisible by B or not. Circuit should be draw in logisim. 6 工程, 电子, 微控制器, 电機工程, 电路设计 Apr 17, 2018 Apr 17, 2018已经结束 $1106
Printed circuit board design + code design 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. 27 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 17, 2018 Apr 17, 2018已经结束 $275
Circuit in Logism 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 8 工程, 电子, Verilog / VHDL, 电機工程, 电路设计 Apr 17, 2018 Apr 17, 2018已经结束 $510
Circuit design Logism circuit 5 电路设计 Apr 17, 2018 Apr 17, 2018已经结束 $220
Circut design Circuit design 12 电路设计 Apr 17, 2018 Apr 17, 2018已经结束 $204
Interactive animation of truck product We have developed a mechanism attachment to a Ford F150 pickup truck that is essentially a retractable bar that moves up and down under front bumper. We need someone to produce an animation that would replicate what this truck will do in real life. A computer monitor will be placed above a demo version of this system and the animation will also activate the demo model I am looking to produce an i... 19 Javascript, 动画, 微控制器, 3D动画, 电路设计 Apr 16, 2018 Apr 16, 2018已经结束 $4473
Logism circuit Need to create circuit in logism 9 电路设计 Apr 16, 2018 Apr 16, 2018已经结束 $188
make hardware work with your coding have a project, need to work on integrating the hardware with variables and writing a code. get in touch and we can discuss on this. 16 工程, 软件测试, 电路设计, 软件开发, 增强现实 Apr 15, 2018 Apr 15, 2018已经结束 $7214
PSPICE implementation I want u to implement radiation analysis of CNTFET in PSPICE. 5 工程, 电子, 矩阵及数学软件, 电機工程, 电路设计 Apr 15, 2018 Apr 15, 2018已经结束 $3503
Convert Fritzing diagram to PCB board I have designed my project using fritizing tool which need to be converted into a PCB board. 31 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 15, 2018 Apr 15, 2018已经结束 $191
Design me a circuit Hi, I am looking for professional circuit design for a WiFi Switch using an esp12e (the AI thinker version) . the target is to make wifi switch to control two Ac bulbs and control the speed of an AC fan) The following are the particulars : 1. The circuit should use esp12e module (not any breakout board as this has to go in a PCB) 2. The Power supply used should be a 230v to 5v Hilink po... 15 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Apr 15, 2018 Apr 15, 2018已经结束 $928
Earth Leakage Circuit Breaker - ELCB code require i need code for my ELCB Earth Leakage Circuit Breaker circuit, Product images as below more details about product [链接已删除,请登录查看] 5 工程, 电子, 微控制器, 电機工程, 电路设计 Apr 15, 2018 Apr 15, 2018已经结束 $162
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