电子 工作与竞赛

Electronics is the branch of science and technology that makes use of the motion of electrons for accomplishing some tasks like information handling or device control. If your business is about electronics engineering and electronic circuits, then you will not have much time to focus on engineering aspect of your business. You can easily outsource electronics engineering to capable and willing freelancers as a matter of routine. Post a job today to find your electronics talented freelancer!
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浏览Freelancer上的工作

项目/竞赛 描述 竞标数/参赛作品数 技能 已开始 结束 价格(CNY)
Design a feed forward controller for a DC/DC booster converter I need the simulation circuit and results. 2 工程, 电子, 微控制器, 电機工程, 电路设计 Dec 11, 2017 今天6天 22时 ¥596
need a voltage regulator circuit design (pspice) need in 3-4 hours budget 30$ simple task 3 电子, 电機工程, 电路设计 Dec 11, 2017 今天6天 22时 ¥219
Analogue & Digital Electronic Please, see the attached file. Analysis and design combinational and sequential digital logic, modeling concurrent digital systems using VHDL and Analogue filter. 9 工程, 电子, 矩阵及数学软件, Verilog / VHDL, 电機工程 Dec 11, 2017 今天6天 22时 ¥1361
power electronics I need help with power electronics, boost and buck and three phases . 9 工程, 电子, 电機工程 Dec 11, 2017 今天6天 22时 ¥2213
PCB Routing for Board using Kicad I have a PCB with a completed schematic. The components all the footprints. I have even placed the footprints on a PCB with reasonable positions. Most of the positions can and should be adjusted slightly during layout to make layout better. It's just things like switches, plugs, and LEDs that I'd rather not move since that would impact case design. The PCB has about 160 components t... 4 电子, 印制板布局, 电路设计 Dec 11, 2017 今天6天 22时 ¥2067
multisim function generator hi i want someone to connect the function generator and the scope in multisim of electric circuit thank you 5 工程, 电子, Verilog / VHDL, 电機工程, 电路设计 Dec 11, 2017 今天6天 21时 ¥166
Hardware Design Expert - 10+ years I am looking for a seasoned Hardware design and developer who can quickly provide develop schematics, PCB and help through the procurement of components and bring the board up. 8 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Dec 11, 2017 今天6天 20时 ¥2381
microcontroller alarm device When a school bus arrives at the school after picking up the students the bus driver or bus attendant is supposed to check whether any students are left behind by going upto the back seat of the bus after every trip. But sometimes the drivers forgets or just dont want to walk upto the back seat. We want to avoid such a situation. We want to develop a controller that will trigger the horns on an... 16 C 编程, 电子, 微控制器, 电機工程, Arduino Dec 11, 2017 今天6天 17时 ¥1073
Elecrical_Circuits_analysis I have long term electrical tasks in 3 phase, analysis Wish to hire in hourly rate 16 工程, 电子, 矩阵及数学软件, 机械工程, 电機工程 Dec 11, 2017 今天6天 17时 ¥44
Simulink to VHDL I have done a controller for a battery energy storage system using Matlab Simulink. I need to generate VHDL codes for my controller. If you have NOT done that, please do not wast my time. 5 电子, 矩阵及数学软件, Verilog / VHDL, 电機工程, FPGA Dec 11, 2017 今天6天 16时 ¥152
Je propose un PLC OMRON CJ1M - open to bidding I am looking for a programmer who specialises in Arduino and or Plcs to develop a prototype or full design with a very economic controller for a machinery we produce. Plc/Arduino 1/Run ultrasonic distance sensor to report and display the level of a waste bin. 2/ air flow meter to advise current air flow in a duct and set alarm for high or low points 3/ smoke detector input and output to lig... 11 电子, 微控制器, Arduino, 编程 Dec 11, 2017 今天6天 15时 ¥2789
STM32f4 Discovery I2C Eeprom Looking for the code of read/write from EEPROM using I2c_driver.h (CMSIS I2C driveR) 7 电子, 微控制器, 电機工程, 印制板布局, Arduino Dec 11, 2017 今天6天 15时 ¥292
Transistors amplifiers digital analog questions Please look at the sample, I will contact with you further details. [链接已删除,请登录查看] 18 工程, 电子, 微控制器, 电機工程, 电路设计 Dec 11, 2017 今天6天 15时 ¥2663
Upload analog data from Arduino uno to cloud. - open to bidding I've used Arduino board and Pulse sensor to measure heart beat per minutes and calculate heart rate variability using both Arduino IDE and processing. My next step which I'm looking for help are the following: 1. Upload heart rate variability to the cloud (any cloud service provider) using WiFi shield or through connecting Arduino to any microprocessor that has built-in WiFi capability (... 22 C 编程, 电子, 嵌入式软件, Arduino Dec 11, 2017 今天6天 13时 ¥1100
ESP8266 - TFT LCD - SD CARD //This is an extremely small project. PRICE OF THE PROJECT WOULD BE 15 SGD and it would be really, really awesome if you can complete within a day! If you are that good, I will consider slotting you in for my main project as this is a side one :) What you need: //Hardware: 1. You should have a 2.4 inch mcufriend tft lcd [链接已删除,请登录查看] 2. SD card (and maybe SD card shield?) 3. ESP8266... 5 电子, 微控制器, 电機工程, 印制板布局, Arduino Dec 11, 2017 今天6天 13时 ¥907
Arduino Programming I need a professional or a student who is well versed with the Electronics Programming on Arduino Controllers. I will give you the Inputs of the things which need to be performed. NDA needs to be signed before signing up the project. 25 C 编程, 电子, 微控制器, 电機工程, Arduino Dec 11, 2017 今天6天 12时 ¥760
Design Multi-Layer PCB Layout Need professional design for multi-layer PCB layout in any PCB design software, finally need source files for PCB prototype manufacturing. Further information after hiring. 37 电子, 电機工程, 印制板布局, 产品设计, 电路设计 Dec 11, 2017 今天6天 12时 ¥1007
Datalogger Management We have a successful product called the Datalogger that is presently deployed across 200 sites in Australia. We are looking to improve the intelligence of this product through software upgrade and regular maintenance. Looking for an energetic and proficient electrical expert having license to perform basic electrical work on industrial equipment and machines. We are an innovation company speciali... 5 无线, 电子, 微控制器, 电機工程, 印制板布局 Dec 11, 2017 今天6天 10时 ¥8486
Determination properties of aviation materials Determination properties of aviation materials CHECK FOR Taylor Kehinde Fredrick IN LAB 1 DATA 1 PDF; THIS ARE THE alloys Taylor Kehinde Fredrick AISI 8735 AM-355 2219 6151 7249 A357.0 AZ92A Ti-15V-3Cr-3Sn-3A1 Glass-epoxy Douglas-fir 6 工程, 电子, 机械工程, 电機工程, 化学工程 Dec 11, 2017 今天6天 9时 ¥406
A Simple Electronics Question I've added the screenshots. One contains the circuit(not in the correct form, must be converted) and the other one contains the questions. 3 工程, 电子, 电機工程, 电路设计 Dec 11, 2017 今天6天 9时 ¥119
Microprocessor Project using CodeWarrior Software Hi, Need the completed project in 36 hours. Share the codes in 24 hours and the report in 36 hours. Project details are attached here. Sample codes are attached in the files. You need to use the similar codes for the work 4 工程, 电子, Verilog / VHDL, 微控制器, 电機工程 Dec 11, 2017 今天6天 8时 ¥663
ARDUINO NANO SHIELD I NEED SOME ONE WHO CAN DESIGN AN ARDUINO NANO SHIELD WITH SPECIAL SPECIFICATIONS THAT CAN BE DISCUSSED ON CHAT. THE DESIGN MUST INCLUDE THREE WORKING PROTOTYPES WITH ALL CHIPS ON IT (NOT JUST THE PCB DESIGN). 22 电子, 微控制器, 电機工程, 印制板布局, Arduino Dec 10, 2017 今天6天 4时 ¥1351
Adjustable dc-dc driver for 150+ W CoB LED array The proposed task includes design and prototyping of adjustable dc-dc driver for CoB LED array Spec: - light source: BXRC-40E10K0-C-7X ”typical” max: 69V; 1,7A ; 120W, planned abs max: 72V; 2,6A; 150-185W - power source: Power bank, li-ion 18650 cells like LG INR18650MJ1: 3500mAh 3,7V, 10A; Battery: 50V charged, 36V discharged (cell 4,2...3V, 16 pc, 2 x 8S ) - LED array driver: ... 14 电子, 电機工程, 印制板布局, 电路设计 Dec 10, 2017 今天6天 4时 -
16mm Ultrasonic Sensor connected to bluetooth to to mobile device I need an ultrasonic sensor with Bluetooth capabilities that can connect to an Android device. The premise is I would like a blind spot detection that alerts my phone when someone is in my blind spot. I'd prefer to use a 16mm Ultrasonic Sensor, something small that is easy to place in my car. Also if possible I'd prefer it in a custom app rather than the standard Arduino android apps. Bu... 35 电子, Mobile App Development, 安卓, 微控制器, Arduino Dec 10, 2017 今天6天 2时 ¥3439
Firmware Designer Hello We are looking for a firmware designer to code for our PCB project. This product includes the following: 4 Li-ion Batteries Power PCB Battery Charge PCB LED Lights PCB Aluminum Heater PCB with Temperature sensor We have full PCB designs, schematics, etc for you to view and quote. Only candidates that we are interested in will receive these files to view and quote. In your... 22 电子, 电機工程, 印制板布局, 产品设计, 电路设计 Dec 10, 2017 Dec 10, 20175天 20时 ¥113
Innovative Coffee Table Designs We are building a coffee table prototype, looking for a designer who has experience using Google Sketch, or Wood Work Inventions software. 12 电子, 设计 Dec 10, 2017 Dec 10, 20175天 18时 ¥788
vmworkstation wireless problem vmworkstation is connecting using wired but i cannot connect vmworkstation to wireless need some help regarding one program 4 无线, 工程, 电子, 电機工程, 网络管理 Dec 10, 2017 Dec 10, 20175天 15时 ¥156
Project for Haixing S. Hi Haixing S., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 2 电子, 微控制器, 电機工程, 印制板布局, Dec 10, 2017 Dec 10, 20178天 14时 ¥1735
Urgent requirement of embedded engineer for pune location for project on TI CC3200 launchpad and SIMCOM 7100 gprs module I am looking for embedded engineer for 2 weeks client site testing in baner , pune with following skills requirements. 1. Knowledge of embedded technology 2. C language, assembly language 3. Cloud server configuration 4. Work on different types of communication (SPI, ethernet, http server communication) 5. TI(Texas Instruments) CC3200 launchpad Project Concept is to receive data over SPI ... 6 C 编程, 电子, 微控制器, 嵌入式软件, Arduino Dec 10, 2017 Dec 10, 20175天 14时 ¥2721
electronics lab report must be a electrical or electronics engineer 24 电子, 电機工程 Dec 10, 2017 Dec 10, 20175天 13时 ¥345
Build schematic of soldering station 2 in 1, and write program for MC Good day freelancers, I need build sch for soldering station(iron and hot air gun), all components need locate on one board. Power supply will be external, your task make only "brain board"(with regulation, indication and others). I need make: 1) shematic (simulate); 2) program for mc Detail of feature sch: microcontroler what need use - atmega8, indicator - 7'th segments, ... 15 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Dec 10, 2017 Dec 10, 20175天 13时 ¥1166
Arduino Reactive LED/IR table I am looking for Arduino Developer for development and testing of small Arduino applications. Similar project: [链接已删除,请登录查看] 28 C 编程, 电子, 微控制器, 软件构架, Arduino Dec 10, 2017 Dec 10, 20175天 12时 ¥3428
Basic Arduino FSK Encode/decode data BELL 202 Modem standard, 1200 baud, half duplex I need a some one to give me a solution so I can encode and decode using an MCU (Arduino or any other MCU) a FSK code a based on BELL 202 Modem standard, 1200 baud, half duplex. The solution may be a code or an hardware (frequency filters) and a code for MCU. If it is possible I prefer the solution with C code where only a pin and interrupts on that pin are used without any external hardware fr... 8 C 编程, 电子, 微控制器, 电機工程, Arduino Dec 10, 2017 Dec 10, 20175天 11时 ¥1279
Arduino Development I am looking for Freelancer Arduino Developer for development and testing of small Arduino applications 35 C 编程, 电子, 微控制器, 软件构架, Arduino Dec 10, 2017 Dec 10, 20175天 9时 ¥760
Magnetostatics field Need a help on specific field of electromangetic and electronic field, with Plane wave propagation in free space Plane wave propagation in matter Poynting vector Linear circular and elliptical polarization 9 电子, 电機工程 Dec 10, 2017 Dec 10, 20175天 9时 ¥992
Current signture for condition monitoring and fault diagnosis of brushless dc motors current signature data will be employed for predictive and preventive maintenance in brushless dc motors. The data will be analysed by different transform such as Fourier series or wavelet to predict signature or trend for each fault. Many faults are expected investigate such as faulty bearing, eccentricity, discharged activity between stator coils or turns to turns. Also this data could be used ... 12 工程, 电子, 矩阵及数学软件, 电機工程, 数学 Dec 10, 2017 Dec 10, 20175天 7时 ¥1093
PCB simulation task [链接已删除,请登录查看] Please check the link for the details I need to complete this task 5 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Dec 10, 2017 Dec 10, 20175天 6时 ¥166
Report writing on ROHS compliant circuit breakers and CAD Systems Its a report writing project which should be delivered by 10th December 6pm US eastern time 8 工程, 电子, 报告写作, 机械工程, 电機工程 Dec 9, 2017 Dec 9, 20174天 23时 ¥199
Desiging android mobile-based app that display heart rate collected from Arduino and pulse sensor ( IoT ) I've used Arduino board and Pulse sensor to measure heart beat per minutes and calculate heart rate variability using both Arduino IDE and processing. My next step which I'm looking for help are the following: 1. Upload heart rate variability to the cloud (any cloud service provider) using WiFi shield or through connecting Arduino to any microprocessor that has built-in WiFi capability ... 32 电子, Mobile App Development, 安卓, 微控制器, Arduino Dec 9, 2017 Dec 9, 20174天 23时 ¥4114
bestresearch1andassociates.com I have purchased a template from [链接已删除,请登录查看], I have started to fill in the information I want but there are things I do not understand. This website is all about recruiting expert in many different disciplines. All the people will be working in the Asia Pacific region of the World. The website will be in English. I live in North Baja Mexico and if possible the person that helps me out, it woul... 2 电子, 医药, 汽车, 矿业工程, 航天工程 Dec 9, 2017 Dec 9, 20174天 22时 ¥2733
Arduino project board I need a bluetooth enabled "nano" arduino (google "bluno nano") with a GY-521 "built in" to the same PCB, the board should have a connection for a 3S battery (built in charger circuit via external 111-14Vdc). It should also have a built in 3 Phase BLDC motor driver similar to an ESC (electronic speed controller) sized similar to 35A (connection to motor via screw typ... 18 电子, 微控制器, 电機工程, 印制板布局, Arduino Dec 9, 2017 Dec 9, 20174天 21时 ¥2193
ASIC BitCoin Miner 14Th/s or Better I need my own version of the AntMiner s9. Should be able to give 14Th/s output here is the link of the device... [链接已删除,请登录查看] OR find me the supplier product name: 1- ASIC S9 Bitcoin Miner 14 GH/s ( price $1000 +/- $100) 2- ASIC S9 Bitcoin Miner 13.5 GH/s ( price $1000 +/- $100) 3- Bitcoin Antminer S9 13.5 ( price $1000 +/- $100) 4- Litecoin Antminer L3+ 504M ($500 +/-) 5- Dashc... 8 工程, 电子, 生产, 软件构架, Bitcoin Dec 9, 2017 Dec 9, 20174天 20时 ¥4962
AVR programmer Dear Sir/Madam I need USB ---> ISP AVR programmer . I want this programmer compatible with ATMEL STUDIO , CodeVision , BASCOM and other compiler . programmer source must write be with atmel studio and I want schematic too . 6 C 编程, 电子, 微控制器, 电機工程, Arduino Dec 9, 2017 Dec 9, 20174天 20时 ¥152
Raspberry Pi B+ project help needed I am looking for a freelancing Electronic Graduate/Undergraduate to help me with a project based on Raspberry Pi B+. The person MUST have done atleast more than 3 projects (Small, Medium and Large size projects) using the module Raspberry Pi B+. This would probably a long-term opportunity for a suitable person. I will provide all project details via discussion. The freelancer would nee... 23 C 编程, 电子, 微控制器, Research Writing, 树莓派 Dec 9, 2017 Dec 9, 20174天 19时 ¥3227
Electrical Engineering home work help I have a few problem sets that I need help to solve and understand, perhaps through Skype we could share screen and teach me how to solve them. I attached the problem sets 13 工程, 电子, 电機工程, 电路设计 Dec 9, 2017 Dec 9, 20174天 18时 ¥639
custom pcb design Hello, We are working with a customer that has over 20 AGVs which we need to retrofit while the system is running. They use a VSU (Vehicle Sensing Unit) TX and RX at each end of the AGV. These units are potted and we cannot see the design and have limited no info, but we do have some working units which you can use for testing. If you can un-pot them is would be great as the design is not so in... 1 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Dec 9, 2017 Dec 9, 20174天 17时 ¥17538
electronics lab report required lab report required (electronics) budget is 50$ 13 电子, 电機工程 Dec 9, 2017 Dec 9, 20174天 17时 ¥99
EMV chip reader Needs an embeded enginner to draw schematic diagram for the EMV chip of all types. I will provide you all other details once I select the candidate. 4 电子, 微控制器, 电機工程, 印制板布局, 电路设计 Dec 9, 2017 Dec 9, 20174天 17时 ¥205
Project for Subodh S. Hi Subodh S., 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, , 电路设计 Dec 9, 2017 Dec 9, 20177天 17时 ¥66
FPGA developer Looking for a developer to code a specific simple algorithm which is based around SHA3 (Keccak) into iCE40UltraPlus FPGA using the standard low-cost breakout board from Lattice: iCE40UP5K-B-EVN. In general there will be incoming data block over a serial channel, encrypting, and sending it back to the same serial channel. More details will be given in personal communication. I am not sure about ... 13 电子, Verilog / VHDL, FPGA Dec 9, 2017 Dec 9, 20174天 16时 ¥204
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