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)
PCB Designing fixed budget INR 5000 Looking for a PCB-designer who can work with me. The project includes a GPS, Microprocessor and few other components. I have selected all the components, hence initial BOM is ready. But the BOM-cost is going a bit higher than I expected. May be I need support in minimizing the cost as well. I want the board should work with USB or WiFi. No. of input/output can't figure out at present. We may ... 13 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 19, 2018 今天6天 18时 $548
Electrical Engineering Please Check attachment. Will need this project by 19/01/2018 9:00am GMT 10 工程, 电子, 矩阵及数学软件, 电機工程, 电路设计 Jan 18, 2018 今天6天 3时 $174
WAITSTAFF ASSIST : WA System - open to bidding I have a chain of restaurants. I want to improve my service with a "lowish technology" solution. I want you to design a system to do the following. I want to outfit each dining table with a 3.5" diameter device that stays afixed to the table with Nato technology or magnets. Each device will have 5 buttons. A Blue button is for (water/drink); Yellow button (food request); Green b... 5 工程, 电子, 微控制器, 印制板布局, 电路设计 Jan 18, 2018 Jan 18, 20185天 21时 $86
Help fixing Schematic Design with ADS1248IPW I need someone that has experience with the TI ADS1248IPW IC and tell me what is wrong with my circuit. This person has to point out the issue with current circuit and tell me how to fix it. Also need to be able to tell me how to configure the Registers to perform correct reading. I am connecting 4 2-wire PT1000 temperature sensors. I will provide Schematic picture in PM YOU MUST HAVE EXPERIEN... 12 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 18, 2018 Jan 18, 20185天 13时 $680
Cadence program Building circuit including OPAM and getting some plots and readings out of it 18 电子, 电機工程, 电路设计 Jan 17, 2018 Jan 17, 20185天 2时 $1009
I need a writer from electronics engineering background -- 3 I need a writer who has an electronic engineering background and who is able to write project articles on printed circuit board. Experienced writers are encouraged to apply. Please mention your rate for 700-800 word articles. 12 电子, 技术写作, 电機工程, 印制板布局, 电路设计 Jan 17, 2018 Jan 17, 20185天 2时 $78
PCB Camera schematic I would like the Schematic for a PCB Camera. I have TFT LCD monitor and i want to attach the pcb camera to the monitor. So once i take a photo it appears on the monitor. This is a small project nothing special The budget is $100 Whole Project 9 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 17, 2018 Jan 17, 20184天 15时 $705
Design Dual Axis Solar PV Tracker Controller Design dual axis solar tracking controller which will control 12/24v DC slew drives on X & Y planes, reset back to morning start at night time, and level array in high winds. 20 工程, 电子, 机械工程, 电機工程, 电路设计 Jan 16, 2018 Jan 16, 20184天 6时 $3110
LED Light source and Timer Hello, My Name is Max and I run a small company that designs and sells traditional large format cameras, you know the type with the bellows and the glass screen on the back, think turn of the century photographer with a hood over their head. For our next project we are working on a photographic enlarger, this requires an LED Light source using and array of surface mounted LEDs on a PCB controlled ... 4 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 16, 2018 Jan 16, 20184天 4时 $28395
555 ic expert i need an electronics ngineer who can design 555 based ic upto my requirements. 17 电子, 电機工程, 印制板布局, Arduino, 电路设计 Jan 16, 2018 Jan 16, 20184天 3时 $117
PCB Laoyout and gerber files required Need someone to supply me with a small pcb file and gerber files a sample nothing complicated. 13 电子, 电機工程, 印制板布局, 电路设计 Jan 16, 2018 Jan 16, 20183天 20时 $156
Advanced Circuit Board Designer for Altium -- 2 - 15/01/2018 16:02 EST Hi. I've got an advanced FPGA and ARM PCB design that currently works, but I'd like it improved since we have signal integrity issues at the moment and would like a much nicer re-designed board layout. Thanks. 28 平面设计, 电子, 电機工程, 印制板布局, 电路设计 Jan 15, 2018 Jan 15, 20183天 5时 $3057
IoT (Internet of Things) Circuit Design — Electrical Engineer in the Western Balkans, Eastern Europe, or Russia (14 Jan 2018) ***WHO IS ELIGIBLE TO APPLY*** Please only apply for this project if you live in: Montenegro, Bosnia-Herzegovina, Kosovo, Serbia, Macedonia, Albania, Moldova, Romania, Belarus, Ukraine, or Russia ***PROJECT SUMMARY*** I have created a detailed functional specification for an IoT (Internet of Things) device which I want you to help me transform into a circuit design. This is *not* a P... 3 微控制器, 电機工程, 嵌入式软件, 电路设计 Jan 14, 2018 Jan 14, 20182天 9时 $55
Design PCI-Express PCB This is a PCI express adapter for IO communication using PCI express protocol 14 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 13, 2018 Jan 13, 20181天 5时 $18764
Build a 12 Volt Power Bank A 12/9/5 volt 25000 mAh power Bank needs to be [链接已删除,请登录查看] should uninterrupted while the power banking is being charged and it goes to back up [链接已删除,请登录查看] should be simple reliable cost [链接已删除,请登录查看] parts should be easily available .Adequate care should be taken for battery charge discharge protection. 11 工程, 电子, 电機工程, 印制板布局, 电路设计 Jan 13, 2018 Jan 13, 20181天 5时 $968
hardware design and software electronic circuit design and needed program to compute the system 35 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 13, 2018 Jan 13, 201819时 19分 $1407
Tumbling Machine Need electrical support like Electrical timer selection and electrical elements selection. and circuit 7 工程, 电子, 微控制器, 电機工程, 电路设计 Jan 13, 2018 Jan 13, 201818时 37分 $144
programable power supply with lcd controller pls do not bid from india or Pakistan i would like design power supply like DPS3012 for more detail contact with me 12 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 12, 2018 Jan 12, 201812时 21分 $1141
Project for Constantin R. Hi Constantin R., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 3 微控制器, 印制板布局, , Arduino, 电路设计, FPGA Jan 12, 2018 Jan 12, 20183天 1时 $47936
Design a pcb card I need a pcb card designed that has an RF chip, small processor and WiFi 2 电機工程, 印制板布局, 电路设计 Jan 12, 2018 Jan 12, 2018已经结束 $6208
Photovoltaic panels produce DC current that heats a typical water heater Simply put, the goal is to heat a standard hot water tank with solar PV. To be able to help me you'll need to understand (among other things): DC power and loads, heater resistances and solar PV optimization (resistance as it relates to fluctuating PV voltage), and Tigo DC optimizers. Please note this project v1.0 is already working and has been working for over a year, I just know it can ... 8 电機工程, 数学, 电路设计, 再生能源设计, 供热系统 Jan 11, 2018 Jan 11, 2018已经结束 $2339
looking for electronics and electric engineer Hi I am looking for electronics and electrical engineer to Design circuit enabled with Bluetooth. Thanks, Yennica 24 电子, 电機工程, 电路设计, 低功耗蓝牙(BLE) Jan 11, 2018 Jan 11, 2018已经结束 $907
automation world Programming all plc works And scada system And Implementing it 7 PLC 与 SCADA, 电機工程, 印制板布局, 数据库管理, 电路设计 Jan 11, 2018 Jan 11, 2018已经结束 $14761
ASIC Mining Operation in need of TECH Expert The person will need to have experience and be competent in assembly, install, software/hardware interfaces for ASIC mining devices as well as (this is not as iimportant as the ASIC experience/expertise), GPU Graphic card mining rig upkeep, hardware/software interface set up, and ongoing maintenance for all of the above. The person will need to be able to make it to the Stroudsburg area of Northe... 3 数据处理, 工程, 电機工程, 技术支持, 电路设计 Jan 11, 2018 Jan 11, 2018已经结束 $22150
Sensor Designer - Senseprise Hi, We are looking for an experienced sensor designer. We are developing a prototype for which we need to redesign the strain gauge sensor. We are looking for a thin film or reduced size and reliable sensor design. 4 电子, 电機工程, 印制板布局, 产品设计, 电路设计 Jan 11, 2018 Jan 11, 2018已经结束 $3436
IoT (Internet of Things) Circuit Design — Electrical Engineer in the Western Balkans, Eastern Europe, or Russia (11 Jan 2018) ***WHO IS ELIGIBLE TO APPLY*** Please only apply for this project if you live in: Montenegro, Bosnia-Herzegovina, Kosovo, Serbia, Macedonia, Albania, Moldova, Romania, Belarus, Ukraine, or Russia ***PROJECT SUMMARY*** I have created a detailed functional specification for an IoT (Internet of Things) device which I want you to help me transform into a circuit design. This is *not* a P... 4 微控制器, 电機工程, 嵌入式软件, 电路设计 Jan 11, 2018 Jan 11, 2018已经结束 $63
Digital IC Design Assignment Design circuit diagrams and stick diagrams of logic gates to implement their functions. 26 工程, 电子, Verilog / VHDL, 电機工程, 电路设计 Jan 11, 2018 Jan 11, 2018已经结束 $211
Electronics The Anderson Current Loop technology for conditioning the outputs of remote resistive and capacitive sensors The design of optical perimeters and their application to polarization responding sensors 1 工程, 电子, 微控制器, 电機工程, 电路设计 Jan 10, 2018 Jan 10, 2018已经结束 $276
Brand New 2017 Bitmain Antminer S9 (14th's Bitcoin) / L3+ This is brand new Original Anminer with complete accessories and warranty. Antminer S9 APW3++ Power Supply Unit Power Cords SPECIFICATIONS: -------------- Hash Rate : 14TH/s Power Consumption: 1375W + 7% (at the wall, with APW3,93% efficiency, 25C ambient temp) Power Efficiency: 0.098 J/GH + 7% (at the wall, with APW3,93% efficiency, 25C ambient temp) Rated Voltag... 3 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 10, 2018 Jan 10, 2018已经结束 $3121
Resistance Converter, PCB Design , Prototype Resistance Converter, PCB Design , Prototype 42 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 10, 2018 Jan 10, 2018已经结束 $4909
design PCB for and SMT LED array I want to make a array of LED's. approx 6 - 12 LED's per board. I have uploaded examples of the PCB/Heatsink design that I would like. Successful candidate will have PCB design and electrical design experience. They should be able to calculate the volts and AMP hours needed to safely power all the LED's in the array. You will also need to select a LED driver (surface mount ... 29 工程, 电子, 电機工程, 印制板布局, 电路设计 Jan 10, 2018 Jan 10, 2018已经结束 $75
Looking for a POS circuit engineer Looking for a POS, hardware, circuit board engineer. Need to get a chip and circuit board designed. The idea is to read the card details. Bluetooth support is mandatory. This chip must sit in the POS device. We need designed and manufactured chip from you, which is ready to use. 7 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 10, 2018 Jan 10, 2018已经结束 $6388
Analog/Digital Circuit Design/DSP/PCB Layout/IOT embedded system We want to build an IOT based animal feeder. This main board will control some motors that deliver feed to the animal. We have a loss-in-weight (LIW) load cell installed to detect feeding rates and adjust accordingly. This hub may also interface with various sensors and sensor data, along with hub health checks, etc. need to be uploaded to the cloud via a zigbee type self-assembling mesh network.... 4 微控制器, 电機工程, 嵌入式软件, 印制板布局, 电路设计 Jan 10, 2018 Jan 10, 2018已经结束 $132217
Embedded designer We are looking for people who have experience in designing devices with embedded solutions. Experience in projects related to bluetooth low energy and thread (open thread) networks is great. 19 工程, 电子, 微控制器, 电機工程, 电路设计 Jan 10, 2018 Jan 10, 2018已经结束 $159
Soldering PCB board This is a small work which I am outsourcing. It is soldering just 100 small PCB boards and will take 4 to 5 days of work. I shall be paying Rs.25 per board. Do let me know if you are interested to take up this assignment. 25 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 10, 2018 Jan 10, 2018已经结束 $948
Resistance to voltage converter by opamp We have a vehicles fuel send unit. We need to urgently design a circuit which can sense the change in resistance of the fuel senders with respect to ground and convert it to a voltage to be read by a adc. 34 电子, 电機工程, 电路设计 Jan 10, 2018 Jan 10, 2018已经结束 $3604
Fuel Flow IoT Design a device on IoT platform which can capture the flow of water. 12 无线, 电子, 微控制器, 印制板布局, 电路设计 Jan 10, 2018 Jan 10, 2018已经结束 $1474
Project for Sajjad A. Hi Sajjad A., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 7 C 编程, 电子, 微控制器, 电機工程, , 电路设计 Jan 9, 2018 Jan 9, 201812时 34分 $281
pcb design simple two or four layer PCB design to create gerber file 61 电子, CAD/CAM, 电機工程, 印制板布局, 电路设计 Jan 9, 2018 Jan 9, 2018已经结束 $2198
Cypress Semi PSoc and PowerPSoc Design Please respond only if you a person, not a team, and have PowerPSoc (CY8CLED) experience. The first part of this project is to create a LED controller board mostly based on the reference design in the lighting evaluation module CY3267, but with a difference form factor (16 independent 1A channels needed) and additional communications capability (CAN FD). 10 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 9, 2018 Jan 9, 2018已经结束 $250
Electrical Engineering I'm a product developer looking for an electrical engineer who is familiar with tape lights, how they work and to help me customize a solution for a product. 23 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 9, 2018 Jan 9, 2018已经结束 $1548
Schematic for NEO-M8U GPS and Transceiver Schematic needed for NEO-M8U GPS and Iridium 9603 Satellite Transciever. The device must be powered off of AA batteries. 17 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 8, 2018 Jan 8, 2018已经结束 $164
IoT (Internet of Things) Circuit Design — Electrical Engineer in the Western Balkans, Eastern Europe, or Russia (8 Jan 2018) ***WHO IS ELIGIBLE TO APPLY*** Please only apply for this project if you live in: Montenegro, Bosnia-Herzegovina, Kosovo, Serbia, Macedonia, Albania, Moldova, Romania, Belarus, Ukraine, or Russia ***PROJECT SUMMARY*** I have created a detailed functional specification for an IoT (Internet of Things) device which I want you to help me transform into a circuit design. This is *not* a P... 12 微控制器, 电機工程, 嵌入式软件, 电路设计 Jan 8, 2018 Jan 8, 2018已经结束 $94
Convert schematic into CAD design PCB hello, this small project is very basic but i need you to build a cad file based on this circuit board so that it can be used on oshparkdotcom the full schematic and diagrams are included in the PDF provided. this is for an 8 bit computer PCB board that is a simplified Apple 1 computer on a smaller form factor. 54 电子, CAD/CAM, 电機工程, 印制板布局, 电路设计 Jan 7, 2018 Jan 7, 2018已经结束 $2692
i need a circuit designer my name is david i need to make my wierlass mouse wired becase i broke it 4 电路设计 Jan 7, 2018 Jan 7, 2018已经结束 $211
battery powered portable projector to display static images (like the pages of a book) on a screen Hello, Can you do a project that involves producing a prototype of a small battery powered projector that displays a static image or text on a screen the size of A4 paper? the projector should be in close range of say 20 to 30cm from the screen. No multimedia, just still image or text like the page(s) of a book. It should be very portable. Please reply ASAP. Regards! 10 工程, 电子, 矩阵及数学软件, 电機工程, 电路设计 Jan 6, 2018 Jan 6, 2018已经结束 $4660
Voltage amplifier with mosfet I need a circuit design of voltage amplifier with MOSFET. DC Voltage Source is +9V, voltage gain is 20, input signal is 2kHz sinusoidal signal, and peak-to-peak voltage of output signal must be greater then %60 of supply voltage. 7 电路设计 Jan 6, 2018 Jan 6, 2018已经结束 $211
Li ion 6S4P battery charger Design schematic and software for Li ion 6S4P battery charger. Something like Lipro battery intelligent balanced charger. 3 电子, 微控制器, 电機工程, 嵌入式软件, 电路设计 Jan 6, 2018 Jan 6, 2018已经结束 $1095
Project for Hao J. Hi Hao J., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 3 电子, 电機工程, 印制板布局, 产品设计, , 电路设计 Jan 6, 2018 Jan 6, 2018已经结束 $1962
Battery data manager for solar system We are a company dedicated to install solar system for off grid zones. We want to design and construct a prototype of screen that shows to our clients the level of charge of batteries, the energy that solar panels carry out to the system and other variables in real time. The system must be work in 12, 24 and 48 V and consume less than 1W in stand by and less than 5W when screen is showing infor... 26 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Jan 6, 2018 Jan 6, 2018已经结束 $3237
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