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! 雇佣Electronics Engineers

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    113 搜到的工作,价格货币为 HKD

    Hi I want to measure the output voltage from a fuel cell from Horizon 2000 Watt output terminal through the data acquisition device which I want to simulate in Labview. The more information about the Fuel cell is here below. [登录来查看链接] More info about the Data acquisition system is here below. [登录来查看链接] If you are expert in Labview and have extensive experience working on Data acquisition systems...

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    Amplifier module using Texas instruments TAS5825M chip ([登录来查看链接]) I want help designing an amplifier using the above chip. A reference schematic is already provided by the vendor. Please see attached doc for full details.

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    by using MOSFET, and 1) analysis about Dynamic characteristics of MOSFET. 2) output load changing but voltage is required constant and then its analysis.

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    I need a finished module consisting of an Arduino nano and SIM800(x) GSM. The system should be able to write SMS and make calls via functions. Later a 3,7V (4,2V) 1 cell Lipo with step-up converter will be used as power supply. The best way is to connect the two components via pin headers in order to be able to replace them easily. No need to have a mic or speaker. What needs to be done? - 1x Ard...

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    You will be making two designs. One for the SY8089 and one for the MP2161. You will need to select the most suitable components (resistors, capacitors, inductors etc) to achieve the desired results. You will need to provide a circuit diagram and a PCB design. You will need to show the formula that you used to determine the value of each component. I will manufacture the PCB that you design to test...

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    Drone/UAV/UAS Design 6 天 left
    已验证

    Hello, I hope you are well. I am looking at designing a new Agricultural Spraying Drone for industrial use. I have been looking at suppliers in china which already make some of these but I want to re-design the look and add features to the flight controller etc. I am in need of help with someone that can help me with the design, Components (Motors, Flight controllers, GPS, Imaging, Spraying et...

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    I am not able to comunicate siemens S120 vfd with PLC , however the com port is not blinking but Ready port is blinking green .

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    Power Monitoring Features 6 天 left
    已验证

    We require the integration of Solar Power Regulator with our RPI and Web Server. We have a Solar Regulator hardware device with SDK, and we need to display the following information on the Web Server users account - > Solar Panel Voltage > Solar Panel Amps > Battery Voltage > Battery Amps > Device Power Draw > Device Amp Draw The above parameters to be displayed in numeral rea...

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    I have produced conceptual model diagram for each of the units of Wireless Alarm System along with detailed explanation text of the project. I want a complete logical diagram and PCB layout diagram to be produced. I am also happy to receive any alternative approach.

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    I would like a PCB board(s) design so that I can complete this project. I have made an 8x8x8 LED RGB cube, I have a schematic which I have attached and was created using Eagle, however I am not fussed if you need to use a different program as long as I can send the files off to print the PCB. I will tell you this was not my plan and I got this idea from this web site [登录来查看链接] A bit of backgroun...

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    to do this project, you need to have (1) one Raspberry Pi (Master) device, and one nrf24l01+ device is on Raspberry Pi. (2) many Arduino devices (slaves), and each Arduino device has one nrf24L01+ device. Master will send a "syn" signal to all slaves, every 1 or 2 seconds, to ask all slaves to do a measurement. All slaves shall receive a "syn" signal from Master every 1 to 2...

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    This session involves establishing familiarity with a wideband means of modulation, Code Division Multiple Access (CDMA). Numerical processing tools are utilised to explore the physical layer signalling associated with CDMA. This session will be done in MATLAB. I'm looking for MATLAB code and explanation with each step to be followed by notes provided.

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    We have a design that we want to redraw for Altium. It's a signal amplifier with resistors, capacitors and OAMP'S. The project is well documented, and detailed SCH will be distributed in PDF, BOM in EXCEL and Gerber for top and bottom as digital files. The attachment shows one drawing of 3.

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    CS 223 Digital Design: Smart Evacuation Elevator (System Verilog) Ödevin 21 Aralık 2018'e yetişmesi gerekiyor. Ödev hakkında bilgi için lütfen iletişime geçiniz.

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    We have a kicad rat's nest with all the connections made. We would like to have the high speed digital board laid out and work the first time. If you are really good at high speed digital design including lpddr and wifi we would like to talk to you.

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    加急 保密协议
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    We need an electrical engineering firm to do a MTBF calculation on our electrical design. We have a complete BOM that need to be completed into a real time life expectancy assuming all components are operating within the recommended manufacturers design parameters.

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    Processor - AM335x Codec - TLV320AIC3106 Project involves 8 devices connected in a network. Out of 8 one will be the master and rest are slave devices. There are two operating modes. 1. Unicast - Cross talk between Master and slave. 2. Broadcast - Master will announce and slave will receive only

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    I need a single input n output automatic switch block in Simulink. by saying Automatic I mean: Let's say I have 1 input and 4 outputs. In the discrete system: 1st clock cycle: the first input sample will go to first output. 2nd clock cycle: second input sample will go to second output. 3rd clock cycle: third input sample will go to third output. 4th clock cycle: the fourth input sample will g...

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    build calculator circuit in logisim

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    Need to develop fimware for my weighing scale hardware. I made this android app which is working in BLE. I want to make this process via Internet. I can develop Cloud stuff. I have a Hardware stuff (Chip, BLE Module, Wifi Module). [登录来查看链接] *Removed by Admin* Waiting for minimum rate in Rs.

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    We need to connect our android app via bluetooth with some cheap models of thermal receipt printers. You can offer models of thermal receipt printers with which you have bean dealing. We are open to consider different devices. After connecting to printer we need to put button "Print" on our activity(page) with order details. On pushing this button we need to print check with info from...

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    Design Controller Matlab 6 天 left
    已验证

    need someone who can use matlab to move the root locus into the stable region for the controller

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    BLE 5.0 Embedded 6 天 left
    已验证

    Looking for embeded developer who can help me develop board with BLE 5.0

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    I need a PCB designed to operate this project: [登录来查看链接] A prototype loose-wired set-up is already working with an arduino mini, a stepper motor, a stepper driver and a real-time clock. Tasks include: 1. Design a PCB to match the functionality of the current set-up and deliver a 1 off board to be tested. 2. Produce set of production information including Gerber files and BOM for batch p...

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    I am looking for Expert who can help to manufacture Automatic Screen Printing Machine

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    Trophy icon PCB drawing 3 天 left

    I am going to make interface pcb for wifi chip, FCN9000SC-100. Please refer to 3 docs. 1. design guide of [登录来查看链接] 2. [登录来查看链接] 3. [登录来查看链接] Pcb should be full patterned by GND and connector J3 is female header put on the opposite side of wifiboard. and J4 is not a connector but TP. Please see pull up and down and by pass capacitors. Output is gerber files of PCB and image files of pcb. Be ...

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    0 项参赛作品
    Matlab/Simulink Coding 5 天 left
    已验证

    A Matlab/Simulink project based on solar photovoltaic (PV) systems, We also have to perform coding using Matlab functions in the Simulink environment. The project is about 4-5 hours. The only resident of Wah Cantt, RWP or Islamabad should contact. I will visit the potential freelancer and we will do work in the live meeting. Freelancer is needed today/tomorrow 18-19/12/2018.

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    Design a temperature sensor 5 天 left
    已验证

    You have to design a temperature sensor. Chat with me to know more details. Will give details. The main thing is it should be of small size. Details You are free to use existing boards, such as esp2286 etc Size of complete sensor including battery and sensor: 50mm x 50mm x 30mm Power Backup: 5 days, reporting frequency: 6min Technology: Wifi Must be uploadable on any open source IOT platform ...

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    I am playing with the DE10-Nano board from Terasic. I am trying to changing the FPGA code DE10-Nano board to add our H/W interface to it. I have trouble to get the correct starting point for the FPGA that will be used with Linux. If you are expert with this board, please help us to provide support to us. Who am I: I am a FPGA design expert, but know nothing about DE10-Nano. I looking for help to ...

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    We want to interface the Sony IMX377 image sensor, via CSI/MIPI, with the NanoPC-T4 - FriendlyElec board. The work needs to allow Linux to access both MIPI channels on the board, this will require some dev work at the kernel level. We also need the necessary V4L2 integration under Linux

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    BUDGET $40 USD, NO MORE... I'm looking for a person how know Eagle CadSoft, I need to wiring aprox. 200 lines in a PCB. That's all. The dimmension and the position of components is done, The project is 80% completed. I need it ASAP, 1 day.

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    We want to create a metering system which will be able to monitor and control an energy system remotely. Assume we have a solar/inverter system in a home somewhere, with the house connected to grid or not/having a generating set or not (a house with all three has 3 power sources), we want our metering system to: 1. Monitor and read the power consumption in the home and show this on dashboards/...

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    Need a wearable for small animals 1.5 kgs (like cats, chickens and small dogs) to measure pulse (200 to 500 bpm) and oximetry (70% to 90%) 4 times a day. The ideal is to send the data once captured to a server, but it can be stored. like an apple watch... (without screen) Max dimensions 20x20x5 mm and 25 g (bat included). It should last 3 weeks. Casing will be required after testing the pulse/oxi...

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    We have ready the design of the keyboard but now we need someone who can create the PCB of the keyboard. We have some specifications like antigosting, key combinations, etc. We will give you all the specifications that we need.

    $134 / hr (Avg Bid)
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    Inclinometer 5 天 left

    GY-521 and ESP8266 based high precision inclinometer Using accelerometer data reporting via MQTT Local storage FIFO in MicroSD Battery powered - (very Low Power budget) Very low cost Looking for SW Development also OK to offer HW dev (PCB design etc..) as an option.

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    Se realizará trabajo a nivel de integración con hardware por lo que se requiere experiencia de este tipo: - Integración con elementos de seguridad, alarmas, lectores, etc. - Integración a nivel avanzado en raspberry, arduino o similar.

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    AI Robots (Peer to peer comm) 5 天 left
    已验证

    Build two Robots that can communicate to each other. First robot takes order from table, able to navigate to table, able to identify which table called. Able to let the second robot know what its doing. If the first robot gets stuck for various reasons such as Navigational error, low battery, mechanical issue, it can ask second robot to continue the work. After taking order it goes back to fixed p...

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    As a keen boater and electronic hobbyist I am looking at creating a single display digital dashboard to display various analogue and digital inputs from a twin engine boat. I have working R-Pi with A/D conversion and have displayed crude gauges using pygame however I wish to develop a configurable GUI that will allow different types of gauges to be displayed (dial or linear) and calibrated with in...

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    CNC - ARDUINO and GRBL expert 5 天 left
    已验证

    Hello to all i have bought a CNC drawing robot but it does not run. I think is due to GRBL correct flash. I need someone expert in that that can give me 1 hour of support I think will be enough. Thanks and best regards.

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    PROJETO DE PARTIDA DIRETA DE VARIOS MOTORES NO AUTOMATICO

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    i have a schematic and some of the components values are missing. (a few capacitors, coils, and resistors) i need someone who is familiar with Silicon Labs si4463 transceiver module. thank you.

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    a. To redesign the attached diagram for maximum efficiency. b. Provide a full solution including its case (the design of the case and the circuit should be available in 3D). c. To provide the full code needed to operate the controller. d. Estimated full package cost in mass production stage. e. Any element that is needed for the mass production by the factory should be provided. f. The package des...

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    HI, I have an IP68 smart wristband which can measure i)heart rate ii)blood pressure iii)O2 [登录来查看链接] 1.i want to send these 3 measurement data to PC (real time) via arduino or just directly wristband connect to PC can use any platform to write the program 2. Once measurement data send to PC , alert can be trigger if the measurement reaching some upper / lower limit rate , the alert can be app...

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    Verilog Expert 4 天 left
    已验证

    I need urgent work requires Verilog expertise. It also includes a short report. More details on chat.

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    More details as regards the project will be shared via chat

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    PCB design 4 天 left

    Training to Hardware's system and board design with real microcontroller based design.

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    I need help developing a simple serial manager that handles some inputs and stream serial outputs, details in chat

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    Need to design 3 phase reactor

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    I am building a prototype vertical jump measuring device. Traditional vertical jump apparatuses measure how high the jumper reaches based on how many horizontal rods he was able to displace, as shown in my attachment. I am looking to develop a similar device, but replace the rod setup with a touch sensing surface. I only need the surface to be able to detect a hand's touch and measure how ...

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    We have received a patent on an application of hardware to support a set of operational functionality in software. We know that the Raspberry Pi 3B+ is a platform upon which we can build a proof-of-concept and several demo systems. We are looking for a Linux smart engineer to put the software together for the Demo and then work on the actual product version of the patent. the functionality invol...

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