• ¥500元 HV LiPo battery balancer circuit

    状态: 未托管 关注: 截止交稿时间: 2018-10-18

    fr(中文版)

    We need someone to design, layout pcb, circuit design and create schematics for a Li-Po balancer-charger based on an IC like Linear LTC4015.

    The batteries that needs to be charged (and balanced) are Thunderpower TP7000-6SHV (max voltage 6x4.35V=26.1V)

    Max current output should be 14A, min 10A

    Input power source will be selected based on balancer needs

    Over-current protection

    PCB dimension and weight should be as little as possible

    Charger telemetry should be available over i2c or UART

    技能: 电路设计, 电機工程, 电子, 印制板布局, 产品设计

    查看更多: 12v battery charging circuit, electronic battery isolator circuit diagram, battery switchover circuit, mains battery changeover circuit diagram, battery switching circuit pdf, volt battery charging circuit diagram amp current, battery charging circuit digram, battery power source switch circuit, diode battery switch circuit, volt battery cherger circuit diagram, connect battery circuit power source, battery charging circuit volt amp battery, battery balancer circuit, battery balancer circuit diagram leadacid, diy li ion battery charger circuit, li-ion battery protection circuit schematic

  • ¥15元 PCB Design and Routing

    状态: 未托管 关注: 截止交稿时间: 2018-10-18

    fr(中文版)

    Complete the routing of existing PCB

    技能: 电路设计, 电機工程, 电子

    查看更多: freelance pcb design project, signal pcb design, pcb design mixed signals, linux pcb design, pcb design hourly rates canada, speed pcb design layout, pcb design adc, tina pcb design review, pcb design gps, provide pcb design, electronics project pcb design, pcb design services pricing, pcb design services indore india, power supply pcb design

  • ¥20元 LED PCB + Thermal simulation

    状态: 未托管 关注: 截止交稿时间: 2018-10-18

    fr(中文版)

    Need help to draw a very simple MPCB, but first i need to figure out some variants with thermal simulation! contact for more info

    技能: 电路设计, 电機工程, 电子, 工程, 印制板布局

    查看更多: mp3 files need help transcribing, need help adding google adsense site, freelance need help wsdl file, open source projects need help, need corel draw designer, need help text website, need help building resume, simple led pcb design, need help pcb layout, simple led pcb project, need help draw comic strip, need help pcb, i need help with a simple web design assignment, Need Help building several simple wordpress, I\ m looking for someone to draw simple house plans cheap. I need 2 or 3 a year, need help with luminati.io need someone very fluent with it so i can make bulks of proxies

  • ¥140元 NFCRangeExtenderBoard (PCB) erstellen

    状态: 未托管 关注: 截止交稿时间: 2018-10-18

    fr(中文版)

    Wir benötigen jemanden, der uns ein NFC-Range-Extender-Board auf Basis einer Open-Source-Layout-Software (z.B. KiCad) erstellt.

    Ziel ist es, die Sourcen für ein Board zu erhalten, mit dem ein NFC-Tag auf eine entfernten (auf dem Board befindliche) Antenne gelesen werden kann.

    [login to view URL]

    技能: 电路设计, 电機工程, 电子, 微控制器, 印制板布局

    查看更多: job printed circuit board pcb, circut board pcb, freelance design board pcb, test board pcb design outsourcing freelancing, arm development board pcb, load board pcb layout, guitar amp schematic board pcb layout, arm evaluation board pcb, beagle board pcb, beagle board pcb layout, lea5h board pcb, microcontroller demo board pcb, disadvantages printed circuit board pcb, mcb2300 board pcb, verilog board pcb, arm9 board pcb design, pic board pcb, telit ge865 board pcb, spartan board pcb, relay board pcb layout

  • ¥20元 Design a simulation circuit in ADS(advanced design system) software

    状态: 未托管 关注: 截止交稿时间: 2018-10-17

    fr(中文版)

    you have to design a wireless power transfer simulation circuit using ADS, I will provide a research paper where the circuit design is given and your job will be simulating the given circuit and reproducing the same graph as the research paper graph.

    技能: 电路设计, 电機工程, 电子, 工程

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  • ¥7000元 Analog circuits (Total 18) to be drawn using Microsoft Visio software

    状态: 未托管 关注: 截止交稿时间: 2018-10-17

    fr(中文版)

    Hi

    To publish a review article in an sci index journal, i have taken some circuits as reference which i want to draw using Microsoft Visio software as per the requirement of that referred journal.

    I am attaching one sample as reference. A total of 18 such circuits are need to be drawn using Visio with following specification-

    1). Line width 1.5

    2). DPI 800

    3). Pixels 800x800

    4). size - 4x3 inch

    5). Font size 10pt times new roman

    I expect a total of Rs. 1800/- @ Rs.100/- per circuit with a total time duration of 2 days.

    Please quote with your correct price only if you are really interested to finish this work in two days with full accuracy.

    技能: 电路设计, 电機工程, 电子, 工程

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  • ¥140元 Physical Layout of PCB from KiCad Schematic

    状态: 未托管 关注: 截止交稿时间: 2018-10-16

    fr(中文版)

    We would like to find a party that is very familiar with KiCad PCB physical layout and component libraries.

    PART 1

    -------------

    We have a four (4) of electronic schematic developed in KiCad and want them to be be laid out into a physical prototype PCB for testing.

    Board 1 - has 95 components (of which 7 are multiple pin devices) and the balance supporting components and sockets;

    Board 2 - has 19 components (of which 2 are multiple pin devices) and balance supporting components and sockets;

    Board 3 - has 9 components (of which 2 are multiple pin devices) and balance supporting components and sockets;

    Board 4 - has 13 components (of which 3 are multiple RGB LEDs) and balance supporting components and sockets;

    We will require the files, libraries and Gerber Data for the above.

    Part 2

    -----------

    After Part 1 we will also want the PCB laid out as four separate penalised PCBs for production.

    We will require the files, libraries and Gerber Data for the above.

    NOTES:

    We will want to organise our KeyCad component Libraries to match your pin and 3D libraries. We will require confidentiality agreements to be be signed prior to awarding the project.

    On successful completion of this project we would then want to discuss other ongoing projects migrating a series of PCB Schematics and layouts from Protel Windows to KiCad. Therefore we will be looking at candidates potential to assist with this on going work.

    技能: 电路设计, 电機工程, 电子, 微控制器, 印制板布局

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  • ¥140元 walkie talkie design

    状态: 未托管 关注: 截止交稿时间: 2018-10-16

    fr(中文版)

    I want to design a wireless talking communication system.

    It has to include data compression and to work on ISM frequencies - prefer 915MHz or 433MHz.

    Thus the communication should be digital, the audio Sample rate is 16Kbps

    optionally is to add analog transmission too

    proof on a concept is needed

    deliverables:

    1) schematics

    2) layout

    3) prototype assembly

    技能: 电路设计, 电機工程, 电子, 微控制器, 无线

    查看更多: walkie talkie projects, design franchise concept, microcontroller based walkie talkie, small walkie talkie, project walkie talkie, walkie talkie feedback, electronic project walkie talkie, graphic design writing concept, creator walkie talkie, example walkie talkie project report, walkie talkie circuit, walkie talkie pmr446, machine design software concept, project walkie talkie report, industrial design walkie talkie

  • ¥575元 Design a IOT coin counting machine

    状态: 未托管 关注: 截止交稿时间: 2018-10-16

    fr(中文版)

    I am looking for engineers who can design an internet connected coin counting machine using commonly available sensors and equipment in India at the lowest possible cost.

    技能: 电路设计, 电機工程, 电子, 工程, Verilog / VHDL

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  • ¥140元 I need a curcuit board designed

    状态: 未托管 关注: 截止交稿时间: 2018-10-16

    fr(中文版)

    I need a curcuit board designed and a list of components needed so that I can build the circuit myself. I have very little electronic component knowledge and no curcuit building knowledge. This information must be presented to me in an understandable way. The curcuit needing to be built is relatively simple. I need a curcuit that can connect to a motor and reverse the polarity of the motor via a timer, such that the motor shaft moves clockwise when the polarity is not reversed, and after a specfic time has elapsed, the motor reverses polarity and the shaft moves counter-clockwise. This design is simillar to that of a curcuit in a garage door opener, however, instead of opening and closing with a button, it opens and closes via a timer.

    技能: 电路设计, 电機工程, 电子, 印制板布局, 产品设计

  • ¥7000元 Design PCB

    状态: 未托管 关注: 截止交稿时间: 2018-10-14

    fr(中文版)

    Need an ESP12F based PCB design

    技能: 电路设计, 电子, 印制板布局

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  • ¥140元 Design a pcb (mix some pcb together)

    状态: 未托管 关注: 截止交稿时间: 2018-10-14

    fr(中文版)

    Hi,

    I want to combine INA3221 + UP9616 + IIC I2C 0.91" 128x32 white OLED LCD Display + LM2596s + Buck converter + 12v 12.5A

    My goal, get 8 ports with QuickCharge 3.0 full power even if 8 is 100% load also monitor each voltage and amp

    I know I can use all pcb on ebay to put this together but I want a custom pcb with all component on it (except 12v power supply)

    I make an image of each pcb component link together

    Thanks

    技能: 电路设计, 电機工程, 电子, 微控制器, 印制板布局

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  • ¥2500元 Remote with rolling codes

    状态: 未托管 关注: 截止交稿时间: 2018-10-14

    fr(中文版)

    Hi,

    I work for a automobile company where there are some flaws which has to be detected so I would like to create a remote with rolling codes which can detect between the frequencies between 315MHz to 434MHz.

    技能: 电路设计, 电子, 微控制器

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  • ¥140元 Implement an Algorithm based on PIC for RS485 Serial Port

    状态: 未托管 关注: 截止交稿时间: 2018-10-14

    fr(中文版)

    A freelancer has to build a proprietary algorithm based on microcontroller, that automatically manages the data flow direction of the RS-485 serial port, taking into account the baud rate and the number of bits, without any special configuration or software command, i.e, totally transparent to the MCU.

    It must be 100% compatible with Modbus!

    Freelancer has to deliver:

    Program in C/C++ before complilation (firmware).

    Validation prototype

    技能: Arduino, 电路设计, 电子, 微控制器, 印制板布局

    查看更多: implement ajax based pagination struts, change serial port delphi, check serial port status delphi, javascript read serial port web, ward file serial port visual basic, vb6 programming serial port, trixbox python serial port, reading serial port javascript, serial port javascript, visual serial port synchronous, serial port robot control interface, serial port pic programmer, matlab pic serial port, pic serial port parser, serial port control embedded software, web based serial port communication, web based serial port

  • ¥250元 PCB design

    状态: 未托管 关注: 截止交稿时间: 2018-10-13

    fr(中文版)

    Need mechanical and PCB design of 7 cardreaders device based on this example ( picture 1 ) connected via USB chip on board.

    Board should have 1 USB input and one power 5V input which will power all devices.

    Will be in use with Sim card size connectors so the output layout should be small.

    Components will be specified later.

    For any questions please ask.

    技能: 电路设计, 电機工程, 电子, 微控制器, 印制板布局

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