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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    109 份搜到的工作,货币单位为 HKD

    Need expert in Dassault systems Opera software to reconstruct source files for an inductive output tube.

    $8829 (Avg Bid)
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    6 个竞标
    black bird 6 天 left
    已验证

    - PCB review for suitability of components that are no longer available on the market. - Add temperature sensor on PCB - Ultimate goal is to make the PCB with the lowest possible cost of production and manufacture 10 samples for test.

    $298 (Avg Bid)
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    17 个竞标
    Help me with EasyEDA 6 天 left
    已验证

    I am copying a PCB (without Schematic), I have made the PCB, but I am stuck with changing the parameters of all the parts, I want JLCPCB to do the SMT, and they need complete BOM and the part numbers must be added, so can you help me with that.

    $173 (Avg Bid)
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    I have a gaming mouse which I would like to have the mouse switches replaced. I required some desoldering and soldering experience which I have none. I will supply the switches but I just need someone to do the actual job of switching them out for me. I am looking for someone in the Boston Massachusetts area.

    $259 (Avg Bid)
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    Circui_design_task 6 天 left
    已验证

    Design circuit You may use Multisim Construct a single phase, one-pulse SCR battery charger in Multisim. The same basic circuit as in section 1 above can be used, but replace the diode with a SCR and include a 340VP : ≈ 200VP (depending on your student number) step-down transformer between the ac supply and the SCR. Implement your circuit in Multisim using ‘virtual’/ideal components. Also add a 10-V firing/triggering pulse via a 10-Ω resistor to Gate and Cathode. You must have some form of delay in the pulse to fire at a certain angle Simulate typical output waveforms for the circuit (choose a firing angle α). Show voltage as well as current – and use a current probe to send the signal to the oscilloscope. Briefly discuss the waveforms to summarise t...

    $188 (Avg Bid)
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    3 个竞标
    Li ion under voltage alarm 6 天 left
    已验证

    All these devices are 1S to 8S for RC models, I need the gerber and BOM to make the same simple device for Li ion 12S battery nominal 48v being used for solar storage as a cheap alternative to BMS , should be a breeze for an electronics wizard , thanks

    $1326 (Avg Bid)
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    100% trusted person , finishing work on time

    $149 / hr (Avg Bid)
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    3 个竞标
    Solar PV system using matlab 6 天 left
    已验证

    must be matlab version 2020 and above to work and MATLAB/Simulink install do some changes in matlab and report with screenshot and compare and explain ..... need to understand how the solar system work

    $149 (Avg Bid)
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    Good morning, I have made a project with a pcb composed of a nodemcu V2, a resistor, a 5v power input and a connection to ds18b20. I would like to have that project with material that does not need soldering.....

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    ok before we had a paper to review about floating point adder in fpga i already did but there is the furue work of that paper talking about specific topic for improvment if u could help me with it (far and close path algorithms).

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    Arduino Program from excel spreadsheet that has 50 barcodes to light up seperate LED for each barcode once scanned

    $2754 (Avg Bid)
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    I looking for a freelancer to modernize my General Motors Delco Radio head unit (Google: Model 16154435 GM Delco) with Raspberry Pi or similar controller so it looks like my original head unit from 1991 but understands Bluetooth, subwoofer, USB and possible Wifi + Spotify etc... I can provide an original Delco Radio head unit for this project to begin with. The classic Radio unit features ========================= - Controls for Radio stations - 8 memory banks - Speakers Fade (rear - front) - Speakers balance (left - right) - Volume control - Tune control. - Single color segment display which brigthness reacts to cars Lightning brightness controls What I am looking for the modernised version ===================================== - Project must use buttons and front face of the origin...

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    Electric design and report for hospital building

    $157 (Avg Bid)
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    Linux system administrator needed with knowledge of Debian 11 and c-shell to investigate and diagnose repeated issues with the monitor, mouse and keyboard receiving no signals from a new Debian machine. The connection has returned randomly but there were some hardware errors referring to CPU in the logs which need to be reviewed as part of the diagnosis. Initial remote communication for diagnosis is possible but on-site attendance in Oxford will be required if hardware needs to be replaced. Please reply with your hourly rate and availability.

    $290 / hr (Avg Bid)
    本地
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    Arduino BLE Scanner Sketch 5 天 left
    已验证

    The Sketch needs to scan for specific BLE devices and then display a signal strength via a coloured 5 led bargraph, play a beep, and show accumulated points for the time spend within the vicinity of a found BLE device. Required deliverable for this project will be a single Arduino Sketch. This project is a follow on to a previously completed Bluetooth BLE Scanner MIT Inventor App (see project brief attached). The APK can be found in the project files on Freelancer. The objective of the MIT Inventor app was to prove that the BLE scanner concept would work. This follow-on project will to be to extend the concept to an Arduino Nano Microcontroller. See attached PDF for full project description

    $698 (Avg Bid)
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    using Artix 7 implement Master UFS protocol design for the UFS Host device, Feel free to contact who's have experince on Stroage's(emmc, ufs, nand e.t.c) Skills required : Verilog , VHDL , C , C++

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    Hello, We are manufacturing EV chargers. We need a fully new EV charger back panel + user APP through OCPP protocol.

    $64083 (Avg Bid)
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    Hii, I have some microcontroller development work. I want to integrate custom design PCB with Arduino mega 2560, with UART serial communication RS-485. If you do this type of job Please place your bid to discuss further.

    $3665 (Avg Bid)
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    42 个竞标

    Hii, I have some microcontroller development work. I want to integrate custom design PCB with Arduino mega 2560, with UART serial communication RS-485. If you do this type of job Please place your bid to discuss further.

    $1593 (Avg Bid)
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    11 个竞标

    Request details e need Android app, that be able to send and receive Circuit Switched Data (CSD) transfer (1G data transfer). It's simple app, just need to send and receive messages through cellar network. App need to send sms as well (so either CSD or SMS) Interface of the app doesn't matter, but should work in offline condition. We will use this code for next iteration of our app. We expect executor to join us on next iteration (with separate pay). Deliverables Android app, that can NO Twillio API or other API, that will require to send data to specific number. But you are free to offer your vision of problem solution.

    $1365 (Avg Bid)
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    BOARD NAME IS EAX64994607 i have an electrical board that's missing a triac, My project is to replace that triac with one that's working and to do a study on the electrical board my supervisor gave me, i need to create a simulation of the air conditioning system using the components of the electrical board no need for controlling the speed of the fan just AC fan working in heating and cooling modes using Triac BOARD NAME IS EAX64994607

    $196 (Avg Bid)
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    Arduino expert needed 5 天 left
    已验证

    Hello everyone We are currently manufacturing a working PLC-based Arduino (ATMega2560). Will discuss more in chat with best candidates. Thanks.

    $1201 (Avg Bid)
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    Hello, I'm interested in building a small controller for my small garden room, that have input, and then based on input data, it deals with output. The following are the main input and output. - Battery level reader - 2 Water Pump for 2 different job work - Water level - small Peristaltic pump - Humidity reader - Temp. Reader. - Open switch (to let fan work and decrease humidity) - Open switch (to let EVAPORATIVE COOLER work) can it be done with Arduino or another microcontroller that work with battery? if yes, then how ,much will this project cost me? (I already have the programing code)

    $3947 (Avg Bid)
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    I need an expert in electrical and electronics

    $118 / hr (Avg Bid)
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    30 个竞标

    I need to design a wireless battery charging like one of those show in attached pictures. In 1-2 pictures you see planar antenna for wireless power transmission and cylindrical antenna in the receiver section: this is the first possible solution. Second solution (3-4 picture) is to have both cylindrical antennas to have this charging system, anyway the antenna in RX section has to be cyclindrical for mechanical reasons. The RX antenna has maximum lenght of 40mm and inner diameter of 22mm. I need to have a charging minimum current of 1A. Distance between two antennas is about 3mm and there is nylon PA12 between them. In TX section we have not particular constraints in the shape of antenna, you can design rectangular plane antenna too. We have 5Vdc 3A current in TX section. I need to have d...

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    18 个竞标

    I NEED a proteus project and simulation of a Conditioner Electrical Board BOARD NAME IS EAX64994607

    $1389 (Avg Bid)
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    9 个竞标

    Develop and test firmware for an existing TI CC3200-based IoT Smart Plug hardware design and: * Implement WiFI access point provisioning and account registration * Provide on/off control of an attached electrical load via a relay * Transmit telemetry data to the cloud, including power measurements from an ATM90E26, using an existing AWS SDK * Implement Over-The-Air update capability for the plug (optional but desired) The firmware must be very reliable and utilize best industry coding standards, include a well commented RTOS, a modular structure, interrupt-driven I/O, semaphore protection for memory access, proper WDT implementation, etc. Specifications and hardware schematics can be provided after signing an NDA. Sample hardware will be provided once we start.

    $26486 (Avg Bid)
    保密协议
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    Arduino Heart Rate Sensor 4 天 left
    已验证

    Need someone to get an Arduino Uno and MAX30102 rate rate sensor to work. I have all the hardware, just need an expert to get it working. Must live in Auckland New Zealand.

    $636 (Avg Bid)
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    MATLAB project 4 天 left
    已验证

    MATLAB project for power electronic

    $1169 (Avg Bid)
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    33 个竞标

    Model a modern HVAC system and design a controller to improve heating, cooling, ventilation, air quality, pressure, humidity, and energy efficiency.

    $1507 (Avg Bid)
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    9 个竞标

    I need code for zero crossing detection, synced with pwm generator with fixed duty cycle but variable frequency in esp-idf. I need it urgently Its a signal generator like square wave or pwm with fixed 50% duty cycle, but its frequency needs to be varied from 500 to 100Khz (might be done using ledc_timer_1_bit) but when there is zero crossing, its signal needs to be stopped so that igbt should'nt conduct at zero crossing,

    $126 (Avg Bid)
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    5 个竞标
    electrical and electronics 4 天 left
    已验证

    using circuit simulators and describing it properly

    $165 (Avg Bid)
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    22 个竞标

    Simple Power Electronics problem solving with MATLAB

    $220 (Avg Bid)
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    18 个竞标

    I want a microcontroller that can track location for realtime and update on firebase Happy bidding in advance

    $1695 (Avg Bid)
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    5 个竞标

    Project description: Ruggedized, gamepad-style drone controller PCB. We need EAGLE Schematic divided into A4 frames + PCB design + clean BOM + PCB production files + 3D model. Needed features: - 2 pins on main SF8-B Weipu connector are meant for VCC and GND. VCC will be in range 5-36V and step down circui that makes 5V on output should be able to provide 5V of output in the whole VCC range - ESP32-S3-WROOM-1-N16 as microcontroller - solder pads for connecting main SF8-B Weipu connector - 2x rugged joysticks input (solder pads as with main connector, 4x ADC channel, supply voltage selectable with 0R jumper 3.3/5V) - 10x button inputs with debounce circuit - Generally the device is powered from computer's 5-36V DC bus but we want to have the option for wireless communication s...

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    Automation of Cooling tower 1. inputs : Level of 3 tanks, 3 zone temperature, Water detection 4 Points. 2. Outputs : 6 On/Off , 24 DC Outputs Scope of work 1. Making Bill of materials 2. Complete circuit diagram 3. HMI and PLC programming with test run

    $31 / hr (Avg Bid)
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    Task: Your job is to write a small program, driver that communicates with our MysQL DB and the card terminal. We will integrate with ingenico ipp350 which is a card terminal and we want this card terminal to communicate with our cash register system. We must be able to send the sum for payment to ingenico ipp350 via usb or lan and the corrector terminal has made a purchase and sends back signals if the purchase has been completed or not. Link to documentation See also the manufacturer's websites Your job is to write a small program, driver that communicates with our MysQL DB and the card terminal.

    $1083 (Avg Bid)
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    9 个竞标
    FollowTheSun 4 天 left
    已验证

    Not processing more proposals. Follow the Sun is a 50' Solar catamaran. The boat has 2 motors, one in each hull. The motor forward speed is controlled by a 0 to 5v input signal. The motor backward speed is controlled by setting reverse (close contact) and 0 to 5v input signal. Turning is accomplished by reducing the motor speed on one side. Via throttle input or by autopilot command) The requirement is for a throttle circuit that will allow manual and autopilot control. Please contact me for further detail.

    $3390 (Avg Bid)
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    26 个竞标

    The project uses 3 servo motors and ultrasonic sensor and Bluetooth module (HC-05) I need the code to run the project by arduino uno

    $180 (Avg Bid)
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    9 个竞标
    Need an Arduino Nano expert 4 天 left
    已验证

    I want to create a GPS tracking system with Arduino and get that real-time location in android through firebase. I want a very easiest way to do this with low maintenance Also, share with me the listing of modules Happy bidding

    $1059 (Avg Bid)
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    6 个竞标
    ARM coding 3 天 left
    已验证

    Generate new code for an ARM series MCU (likely the ATSAME70J19B). Two processors on two separate PCBs will monitor GPIO pins for digital and analog inputs and comparing those values to alarm set points and annunciating alarm status via LED outputs (about 20; green=good, red=alarm). The two micros will communicate between each other via serial ports (converted to RS485 via single chip convertor). A couple other features such as detecting physical key turn-on and time-out-timers will be required. PCBs are being laid out now. Coding should start right away. Will include Ethernet port and Simple GUI for viewing/clearing alarms.

    $157 / hr (Avg Bid)
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    10 个竞标
    STM32 project 3 天 left
    已验证

    Requiring a quote/pricing for a project that involves ADS1299, Micro SD Slot, ESP32-WROOM-32D, USB and some programmable LED al being on one board and controlled by the STM32 controller. Your task would be to make all components to communicate with the STM32 and to be able to extract data from the ADS1299 using USB to PC, Bluetooth to PC and Android device . For PC and Android device to have an App that will represent graphical the extracted data from ADS1299. Pricing can be negotiated.

    $9809 (Avg Bid)
    保密协议
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    Proteccionista 3 天 left

    Ingeniería de protecciones eléctricas

    $180 (Avg Bid)
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    3 个竞标

    I am designing two PCBs (a RF emitter and a RF receiver) and I would like to find someone to give me a hand with it. A summary of specs is presented below: - The emitter (Tx pcb) it is like a keyfob. It should incorporate an encoder (HT12D or similar) along with an RF emitter IC and a PCB printed antenna. This board will be powered with a coin cell (3V). There will be only 2 inputs coming into the encoder. - The receiver (Rx pcb) should incorporate a decoder (HT12E or similar) along with a RF receiver IC and a PCB printed antenna. This board will be powered with a single LiPo Battery (3.7V). There will be 4 outputs. This board should also incorporate a LiPo charging management circuit (TP4056 + DW01 + FS8205) and a DC-DC boost IC (MT3608 or similar) since one of the outputs requires 12...

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    I am looking for a labview programmer who knows how to use these Labview 2018 NI-CAN NI-XNET NI-SWITCH NI-SCOPE i need someone with Electrical Engineering background to help me understand a program someone else written and will need some modifications to it. this will be a long term project, will pay per hour. also if the project needed to be use on my computer, we must need to zoom in and you have to work from my computer. thank you

    $141 / hr (Avg Bid)
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    We are looking automatic wire cutting and stripping machine which can do this job from 0.1 mm wire ( copper wire) upto 6 mm sq and of different lengths. The machine should not use any hydraulic and pneumatic system for Operation. We would be able to give input to the machine through the push button available and also directly through the computer or data stick in case of bulk requirement ( different cable length). If the machine can itself take different cable ( sq mm) and cut it into desired length as per table or input provided in bulk would be great.

    $3783 (Avg Bid)
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    I am looking for someone to design an PCB for electronic device which emits a sound when acceleration exceeds a certain threshold (0,5g).

    $4497 (Avg Bid)
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    PCB DESIGN 3 天 left

    PCB DESIGN OF AUDIO SPECTACLES

    $628 (Avg Bid)
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    11 个竞标
    i need electronics enginer 3 天 left
    已验证

    can you design electrical product

    $196 (Avg Bid)
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    13 个竞标