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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    102 搜到的工作,价格货币为 HKD

    More details will be given in the chat, expert only

    $121 (Avg Bid)
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    21 个竞标

    Multiple Bluetooth Beacons will be moving in an indoor open-space. Through Bluetooth-Wifi gateways (iOT-gateway) the accurate location needs to be identified on the virtual map of location. It will be sent to the dedicated server.

    $3039 (Avg Bid)
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    you should know about ssd, hdd etc. you will be doing virtual labs for my project which starts very simple i.e to attach a monitor to HDMI etc but later on its more complex.

    $172 (Avg Bid)
    $172 平均报价
    8 个竞标
    iMac G4 - Mac Mini Mod 6 天 left
    已验证

    Hello, I’m a huge fan of the 20” iMac G4 model. I was wondering if you guys could customize it for it to be used only as a monitor but keeping all the looks to be able to just connect my Mac Mini and use it as a modern Apple computer with that iMac G4 “shell” if you could say so. I know graphics won’t be great compared to newer models but I really don’t care. ...

    $1952 (Avg Bid)
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    2 个竞标

    we want agriculture sprying Drone 10-15ltr without Tank . Only Required Design and consultant and help for Manufacturing that

    $689 (Avg Bid)
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    3 个竞标

    Making a Power System Reliable Objectives: To understand the planning/design process that goes into making a power system reliable. Tasks and Report: 1. To test the reliability of a system we will apply the following rule: No single line or generator outage will leave the system with lines overloaded or bus voltages violating limits. 2. Given the PowerWorld case [登录来查看链接] with the drawing fil...

    $1543 (Avg Bid)
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    8 个竞标
    power world task help 6 天 left
    已验证

    Making a Power System Reliable Objectives: To understand the planning/design process that goes into making a power system reliable. Tasks and Report: 1. To test the reliability of a system we will apply the following rule: No single line or generator outage will leave the system with lines overloaded or bus voltages violating limits. 2. Given the PowerWorld case [登录来查看链接] with the drawing fil...

    $877 (Avg Bid)
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    6 个竞标

    I am looking to have a small mini microphone built with bluetooth capabilities powered by a lithium ion battery. I would like one built along with a full build order.

    $1421 (Avg Bid)
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    11 个竞标

    I am looking for someone to design a simple high side PWM circuit. This will be running at 12-15vdc and could theoretically have a load of 15A max. It can't be low side because the negative terminal of my PWM controlled device is grounded to the frame. I prefer Kicad, or Fritzing as those two are easiest for me to customize my board layout in. If you can make the circuit entirely using digike...

    $320 (Avg Bid)
    $320 平均报价
    13 个竞标

    arduino code for embedded led clock with sensor, 90% functional but not fully terminated

    $132 / hr (Avg Bid)
    $132 / hr 平均报价
    34 个竞标

    For a new apparatus I need an electronic engineer with experience with mobile smartphone hardware.

    $4629 (Avg Bid)
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    13 个竞标

    I have an automated system and i need an electrical engineer to create the computing unit. Preferred skills: 1. Electrical 2. Networking 3. Programming 4. PCB Design 5. Sensors

    $1273 (Avg Bid)
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    34 个竞标

    I have an automated system and i need an electrical engineer to create wiring diagram for them. Preferred skills: 1. Power Management 2. High Voltage

    $320 (Avg Bid)
    $320 平均报价
    14 个竞标
    Solar LiPo Charger board 5 天 left
    已验证

    Wanted is design, schematics, PCB layout and working prototype of a solar LiPO charger board. Documentation of all used parts as well as schematics and layout has to be delivered along the gerber files, a BOM list and a working prototype. The specs are as follows: Minimum requirements: - 1V .. 3V input from a photovoltaic cell - charging of a single cell LiPO battery 150mAh .. 500mAh capacity -...

    $2806 (Avg Bid)
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    15 个竞标

    For a project to locate the position or certain items country-wide, I use a slave and a master. The slave electronic sits on the items, while the slave receives the location and process the data. For that I need now someone who can now develop the schematic and the pcb with all files for production. The purpose is to send location once a day over a periode of up to 12 months. The hardware may inc...

    $2095 (Avg Bid)
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    15 个竞标

    I need to execute a configuration in Raspberry pi

    $164 / hr (Avg Bid)
    $164 / hr 平均报价
    27 个竞标
    ADS momentum simulation 5 天 left
    已验证

    I want to simulate a RF board using ADS momentum simulation. If you have good experience with ADS momentum simulation, please contact with me.

    $1562 (Avg Bid)
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    Hi,freelancers! I need 3KV Inverter be able to use the multi-port for 1kv Solar panel , Wind generator , Diesel generator , Battery charge. If this project interest , prepare of experience project this ago. Once , if I am hired any excellent freelancer , I will discuss more kindly and provide of attachment. Thanks for your attention.

    $3373 (Avg Bid)
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    11 个竞标

    Please note that i do not intend to use built in SPI libraries for SPI. I need to write it from scratch and test some transfer of bytes at desired Clock speed of 50KHz

    $773 (Avg Bid)
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    I'm looking for a tv repair professional that can fix a TV remotely

    $31 / hr (Avg Bid)
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    3 个竞标

    I need to make a bluetooth controller for my product. Be able to control it through smartphone such as turning it on or off. If no other controller available then we can use arduino. and make an iphone app for it.

    $3108 (Avg Bid)
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    21 个竞标

    We are APH Tech. We take turnkey automation projects. We are currently looking for PLC programmer for one of our project.

    $862 (Avg Bid)
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    18 个竞标
    Bluetooth y beacon 5 天 left
    已验证

    Necesito un diseño (propio o a la venta) de un modulo bluetooth o similar, a ser posible que no se a necesario un arduino o placas adicionales, simplemente bluetooth y bateria, que "busque" cada 30 segundos, un beacon (tambien proporcionado por ti) y si no lo detecta, poner un pin en ALTO , imprescindible ultrabajo consumo de ambos dispositivos

    $70 - $263
    $70 - $263
    0 个竞标

    I'm a research and development engineer looking for increasing and encrypting the signal of nRF24L01 or HC-11 Modules for a research. - The signal must be increased in range from 10 Km up to 30 Km. - It must be NLOS. - Must be encrypted with a high and secured encryption. *You have to* : 1- Submit a research paper that include the explaining of the project you did in details. 2- A schematic...

    $921 (Avg Bid)
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    Opening a new Fitness gym in Florence, Alabama. Needing an experienced technician to assist in installation of the gym master door system.

    $195 - $390 / hr
    $195 - $390 / hr
    0 个竞标
    LED and LCD screen TV repair 5 天 left
    已验证

    I'm looking for flat screen tv repair teacher

    $47 / hr (Avg Bid)
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    Seeking a freelancer to design our project. We wish to take readily available scales the have BLE 4.0 and leverage the new BLE 5.0 protocol to implement the mesh and beacon abilities within the product development. The scales we have access too, already have the ability to send weight we want to add temperature and battery/charger voltage to be sent to an app we want to develop. The micro-cont...

    $23761 (Avg Bid)
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    40 个竞标

    I need a sample code in Arduino for STM32F103 uC to bring the uC to sleep mode and wake it up by external interrupt and internal RTC alarm. the power consumption of uC should not be more than 10uA in sleep condition. when uC wakes up it continues from the point it stopped. There is no ADC on this project. we need to access 2 serial ports, I2C bus and few input/ output when device wakes up. Maxim...

    $951 (Avg Bid)
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    16 个竞标

    Require to programming this microcontroller from scratch. All hardware required will be informed by you

    $153 (Avg Bid)
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    3 个竞标

    This is about a motorcycle project. I want to control 5v signals (max 4 of them). I need to calculate the HIGH ones. When the calculation meets a specific limit number and a switch is pressed I want to interrupt the signal. This is the basic idea, it will be a bit more complex in the end but I don't want to make the project public. I also want to set the limit through a smartphone applicatio...

    $5094 (Avg Bid)
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    42 个竞标

    Looking for a programmer for Orange pi compatible for Raspberry Pi 3 B+ developer, planning to hire you to build this Wifi Vendo Machine Plus eloading let me know if your interested to learn more about this project contact me. attach picture for reference only.

    $4427 (Avg Bid)
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    12 个竞标

    Design a schematics for UHF RFID Tag/Card Reader/Write * Note only Schematics need to be done. 3 kind of working distance 10CM , 1M , 5M Capability to Read minimum 200tags at 1 time Also Schematics 2 Relay Output WIFI/BLE Please BID only if you have experience with RFID .

    $1085 (Avg Bid)
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    7 个竞标

    A simple clockdivider code but if you need more details message me. I am a student so I would give 10 dollars for this. Need it in 2 days

    $78 (Avg Bid)
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    14 个竞标

    I am using arduino mega 2560. I have a master arduino and a slave (display). They are communicating over SPI protocol where display expects the master to send data at 50 KHz i.e. the SCK pin from master to slave should operate at 50 KHz instead of buit in 16 MHz clock. Is there a method to reduce the clock frequency ? Altrernative method (no preferred) would be to generate a 50 KHz signal using ti...

    $141 (Avg Bid)
    $141 平均报价
    9 个竞标

    In this project, we are collecting the data from a sensor and converting analogue data into digital using an ADC which is interfaced to a processor using SPI interface. The requirement is to collect the same number of data points every second which is equally spaced with minimal noise from sensor and ADC. Information about the ​sensor, ADC and micro-processor will be discussed in person.

    $2548 (Avg Bid)
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    2 个竞标

    I am a product designer based from Chennai. For my project on computer interface for blind programmers, I am looking for building a OCR based solution to read indentation and hierarchy in programming environments and output to a stepper motor (raspberry Pi)

    $3067 (Avg Bid)
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    13 个竞标
    PCB Design for a drone 4 天 left
    已验证

    I'm looking for a center board for a drone. This is a basic board that is really just passing the power and ESC signal through the center power board on the drone. Previous experience is a must and please refer to me as Mr. Gillespie when you respond so that I know you have read my project description.

    $1226 (Avg Bid)
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    30 个竞标

    I am looking for someone that can do a raspberry pi project for a tool control project I am proposing. What I am looking for is when a hall effect sensor is tripped it will light up a led and then display the tool name on a screen via HDMI. Then when the sensor is un tripped the led will turn off and the tool name will be removed from the screen. I will need to control a minimum 256 sensors. I...

    $2210 (Avg Bid)
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    10 个竞标

    A technical hand support for techical manager for devoloping few projects... Especially of electrical background..

    $1145 (Avg Bid)
    $1145 平均报价
    9 个竞标

    VESC is an open source DC motor speed controller typically used for hobby applications. I would like someone to take the open source VESC firmware available here ([登录来查看链接]), and add programming in the "custom application" section to make the speed controller act like a servo. Final application would drive the motor say 20,000 counts/pulses forward using one of the input pins to trigge...

    $1108 (Avg Bid)
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    8 个竞标

    EMV chip software needed for programming store Credit cards. Must be user friendly.

    $6325 (Avg Bid)
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    6 个竞标
    Build me a circuit 4 天 left
    已验证

    I want electronics person to design the circuit as shown in the attached file and also help me in code fixing.

    $471 (Avg Bid)
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    12 个竞标
    PCB Design 14 - Altium -- 2 4 天 left
    已验证

    We are changing a simple, rigid PCB. Tasks: -Use Park Assist template and Git repository. -Complete layout using high-speed (1Gbps Ethernet and 2.4Gbps coax) design rules. -Change location of other connectors to suit new FFC pinout. We will provide: - Altium 18 project

    $3881 (Avg Bid)
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    34 个竞标

    Hi, i want a Eagle Design Block of a 15A 24V 6 Cell Li-ion 18650 battery protection board. High current protection board with continuous 15A [登录来查看链接] must be design in Eagle so i can import it easily to my project. -Discharge protection / Overdischarge protection -Overcharge protection -Charge protection -Short-circuit protection -Temperature protection

    $2068 (Avg Bid)
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    14 个竞标

    DEVELOPMENT AND IMPLEMENTATION OF A MOBILE FARMLAND INTRUSION DETECTION SYSTEM. NEED TO IMPLEMENT SOME WORKS FOR THE FUTURE ALSO. ONLY EXPERT SHOULD MESSAGE

    $302 (Avg Bid)
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    4 个竞标
    Mi Maquina 4 天 left

    Necesito la programación de un arduino con pantalla gráfica, el programa se basa en la evaluación de una celda de carga , contador de tiempo y una señal que cada vez que aparece indica una distancia recorrida, con estas variables se determina el trabajo realizado, la distancia recorrida y el tiempo transcurrido y debe exhibirse en una pantalla gráfica los valores...

    $3615 (Avg Bid)
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    22 个竞标

    Our business is UV Light sanitizers. I need wiring diagrams (schematics) on my new products [登录来查看链接]

    $1132 (Avg Bid)
    $1132 平均报价
    22 个竞标

    Required a DC led driver with built-in rechargeable circuit. In case of lost electricity it powers up and when the power is available then it should get charged and light as well. Mainly focused areas are 1. Good Protection from high voltage 2. Cut-off when the battery is full 3. auto switch to battery or DC power source. 4. Power rating for LED is DC 20W, 28-32 Volts with 600mAmps. [登录来查看链接] AC 2...

    $1624 (Avg Bid)
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    20 个竞标
    nRF52811 becon prototyping 4 天 left
    已验证

    I am looking someone who can do nrf52811 design and becon programming. - PCB design ( gerber, bom, sch, pcb ) - becon firmware program We can discuss more on chat

    $1757 (Avg Bid)
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    12 个竞标

    I need to change the input from a single axis analogue joystick to quadrature output that mimics an incremental encoder AB output.

    $3873 (Avg Bid)
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    24 个竞标