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    14,545 build voltage regulator circuit jobs fundet, i prisklassen EUR
    €330 Gns Bud
    10 bud
    pcb desigg Udløbet left

    timer concept lcd 3 relay 3 buttons rtc 6 adc (op amp circuit)

    €88 (Avg Bid)
    €88 Gns Bud
    19 bud

    The winner will also be registered with us for future jobs. Based on our actual logo, the job is to create a new logo based on the following criteria: Please use the attached logo as the starting point. - The logo must include the name of the company: "Live Line Tech" Our company works with lightning protection and our clients are only power utility companies. Please choose one or mor...

    €88 (Avg Bid)
    Garanteret
    €88
    26 indlæg
    Arduino BUCK BOOST module 6 dage left
    VERIFICERET

    Hi, I need to have Arduino Buck-Boost voltage module here are the requirements: -- input ~5-25V -- output 12V fixed (4Amperes max)

    €44 (Avg Bid)
    €44 Gns Bud
    14 bud

    My company builds waste management systems for animal farms. We use an innovative constructed wetland to manage the manure and convert it to organic fertiliser and bioenergy fuel. We require some engineering drawings to be prepared describing the system for engineering approval by the environmental regulator in north Carolina usa. These are not detailed drawings, instead they aim to simply infor...

    €158 (Avg Bid)
    €158 Gns Bud
    42 bud
    Trophy icon Design a Logo and Letterhead 19 dage left

    Holman Engineering are looking to update their letterhead, logo and subsequently our documentation design to reflect a more up to date, professional look. We are looking for a graphical designer to design a letterhead that we can use on documents such as proposal letters, quotations, purchase orders etc. The letterhead must be designed to incorporates a look and feel that is consistent with what H...

    €61 (Avg Bid)
    €61
    99 indlæg
    metal shop 5 dage left

    I have a 60x100 metal shop and I want to put in a mechanic's shop. it has and existing 120/208volt 3phase meter and disconnect only. I want to install a 200amp 42 space panel, it has 8 car lifts that I want to run 4-40amp circuits and tap 2 lifts off each circuit. 5 ton A/C 11- high bays a misc outlets. it has a 2 story office about 800 SQ-FT. just the minimum basic to get by. I can provide a...

    €293 (Avg Bid)
    €293 Gns Bud
    6 bud

    We need someone who can develop a printed circuit board and associated firmware for a small bluetooth audio device.. We have detailed specs and a drawing. For details will be provided.

    €16 (Avg Bid)
    €16 Gns Bud
    3 bud

    Analog circuit simulation with TPS61046 DC-DC boost, piezo driver and LED driver.

    €10 / hr (Avg Bid)
    €10 / hr Gns Bud
    11 bud

    Hello, I am needing someone to create a website for me to manage some inventory. Our company has equipment that we use on jobs, and I need to track where the equipment currently is and how it performed on that job. For this, I will need a database and also a web frontend. There are two types of equipment that we use, a cable and a "pod". We own about 200 cables and about 180 pods. E...

    €4214 (Avg Bid)
    €4214 Gns Bud
    134 bud

    An Analysis of Fault Location Algorithm for Transmission Lines Using Synchronized Measurements • To retrieves all triggered event reports from relays and digital fault recorders (DFRs) automatically. With these reports, the system identifies the faulted transmission line(s) within the transmission network. • To determine the fault type and calculates the fault location and fault resistan...

    €71 (Avg Bid)
    €71 Gns Bud
    3 bud

    I want somebody design a control circuit to to control a 3-phase contactor to trip when short circuit happens as protection. the following must be submitted: 1- the code file (arduino IDE) 2-the PCB file 3- the bill of material and their numbers

    €130 (Avg Bid)
    €130 Gns Bud
    19 bud

    I want to connect the readout integrated circuit (roic) to single board computer (raspberry pi or arduino). The project is very simply. I need to read the data coming from roic. There is restriction on which roic we have to use.

    €90 (Avg Bid)
    €90 Gns Bud
    8 bud

    I need two telecommunication projects. Details are provided: 1. Project1: Discovery and Verification of Neighbor Positions in Mobile Ad Hoc Networks MOBILE COMPUTING, FEBRUARY 2013 Technology Implementation: JAVA A growing number of ad hoc networking protocols and location-aware services require that mobile nodes learn the position of their neighbors. However, such a process can be easily abused o...

    €85 (Avg Bid)
    €85 Gns Bud
    9 bud
    Electronic Design Project 4 dage left
    VERIFICERET

    I'm looking for electronics engineers who could create an electronic circuit, a custom PCB, and a BOM for a device that would connect two cameras with some other device (I'll tell after we sign an NDA) via Bluetooth. The image received from the cameras will need to be overlayed with the info received from the third Bluetooth device. The central device will need to store the video footage...

    €546 (Avg Bid)
    €546 Gns Bud
    23 bud

    To build a board with a signal conditioning for all analog pins of ESP-32 so that a pressure sensor can be measured. The voltage levels are 0.5v-4.5v. Board should accommodate the ESP-32 board connection. Your suggestions are welcomed.

    €169 (Avg Bid)
    €169 Gns Bud
    17 bud

    To build a small ON/OFF circuit using tactile switch to turn ON/OFF 5V controller circuit and 2 more switches for other functions. It will be fed from a 5V power bank.

    €153 (Avg Bid)
    €153 Gns Bud
    3 bud

    I need circuit designer. Please bid only electronic expert.

    €136 (Avg Bid)
    €136 Gns Bud
    36 bud

    I need some changes to an existing website. I need you to design my blog. go to this link and suggest me the changes we will discuss the rates accordingly. [log ind for at se URL]

    €376 (Avg Bid)
    €376 Gns Bud
    16 bud

    I need you to write some content for a website. please go to this link and check my website. [log ind for at se URL] this type of work you have to do it for me. we will discuss the rates . my budget is upto 25$ per blog in one day.

    €20 (Avg Bid)
    €20 Gns Bud
    27 bud

    Hi Marc N., I noticed your profile and would like to offer you my project. We can discuss any details over chat. https://www.freelancer.com/projects/engineering/Circuit-Design-Channel-Class-Amplifier/details

    €18 / hr (Avg Bid)
    €18 / hr Gns Bud
    1 bud

    This circuit amplifies three input channels consisting of low-current voltage signals that have a low bandwidth (less than 200 Hz). Each channel is pre-amplified according to a fourth circuit input which operates as a voltage control to the pre-amplificiation. Each pre-amplified channel is then fed to a class D amplifier to create a large current version of the input at three respective circuit ...

    €17 / hr (Avg Bid)
    €17 / hr Gns Bud
    10 bud

    very basic electronic circuit assembly suit someone working from home. sheffield / derbyshire area

    €510 (Avg Bid)
    €510 Gns Bud
    27 bud

    Hi we are designing a Qualcomm BLE micro controller based circuit with sensors for various applications. We are already near completion of the circuit but would like some fresh hands that can help us review and finish the schematic as well as the layout. If you’re passionate about PCB design, please reach our to us.

    €17 (Avg Bid)
    €17 Gns Bud
    5 bud

    I am looking for Haddware and firmware development for building an AC Energymetering circuit using M90E26 ( Single phase enegry Metering IC). I would be looking for Hardware circuit design + PCB layout + Required Firmware. ( complete solution and working hardware 1 unit)

    €103 (Avg Bid)
    €103 Gns Bud
    6 bud
    Build me a PCB 1 dag left

    I want electronics person to do simulation of 3 circuit which may include some changes or redesign of circuit and then it should be check on PCB. Then PCB should be parcel to my home address. The 3 circuit are: 1. USB output port (5V 1A, 2A, 3A) and Type C output port. 2. DC output port. 3. Inverter 60W I will parcel the battery which should be tested.

    €151 (Avg Bid)
    €151 Gns Bud
    15 bud

    Given a list of components of a circuit and their location(x,y). The task is to assign a serial number to all the components, depending on their type, within their location.

    €13 (Avg Bid)
    €13 Gns Bud
    8 bud

    See attached PDF for details. Deliverables include completed Logisim file with: Completed controller circuit with truth table and Boolean Logic (excel is ok) Completed datapath circuit

    €46 (Avg Bid)
    €46 Gns Bud
    10 bud

    The goal is to monitor water tank levels(Full,75,50,25, Empty) and control the water pump as per levels. There will be two units : > One is at the rooftop tank which consists of a level sensor and an rf transceiver. > Another one is at the ground level where the water pump is connected to the electricity which consists of an rf transceiver and relay circuit and Level indicators and buzzer. ...

    €126 (Avg Bid)
    €126 Gns Bud
    30 bud

    Need to develop an updated control board for an existing DC-DC converter platform. - Drive Mosfets with Synchronous Rectification support. - Constant Current and Constant Voltage Modes with the ability to set output current and voltage. - Basic Fan Drive Circuit for cooling. - Isolated Modbus and Canbus integration (already built into the device on another patch board). Fan drive, isolated comm...

    €1291 (Avg Bid)
    NDA
    €1291 Gns Bud
    18 bud

    We want to build a generic code which works for 1 Channel, 2 channel, and 4 channel Dimmer (using TRIAC(BT139)) and it should also be able to give power reading for HLW8012(Power metering chip) It gives output in the form of frequency that is directly proportional to the power. We can also give an independent project for working only on HLW8012/Dimmer separately but the code should be compatible w...

    €192 (Avg Bid)
    €192 Gns Bud
    7 bud

    I am looking for 1) Circuit diagram 2) Coding part 3) Assured output

    €127 (Avg Bid)
    €127 Gns Bud
    13 bud
    Power system study Udløbet left

    Prepare power system study including short circuit and arc flash study using Easypower or SKM software.

    €1850 (Avg Bid)
    €1850 Gns Bud
    17 bud

    We're a team of 4 engineers from the University of Rochester and we're designing a new kind of musical instrument based upon a flexible piezo-resistive touchscreen. Functionality has been demonstrated via breadboard. We are now ready to optimize the electrode design and transfer the circuit to a PCB. But none of us have Eagle or CAD experience, so we are in need of assistance.

    €885 (Avg Bid)
    €885 Gns Bud
    70 bud

    Existing old catalog to be redesign and update. Product Low Voltage Automatic Transfer Switches.

    €74 (Avg Bid)
    €74 Gns Bud
    14 bud

    The Circuit is done. Now I need someone who can programm a NRF52832 with my requierments. 1. An input signal on a pin has to set the device in pairing mode. If it is allready paired, it has to disconnect. 2. The device has to connect as special HID Device. I can give you the exact Profile. 3. The device has 3 analoginputs. If one of this inputs reaches a defined value, a timer must be reseted. If ...

    €1180 (Avg Bid)
    €1180 Gns Bud
    32 bud

    Looking for a freelance electrical engineer in Southern California (Orange County) to design, build and troubleshoot custom electronics and put together instrumentation for test and measurement for various projects. Would require visits to our site to discuss details with our engineers. Mixed signal applications and some embedded computing skills required. Experience with high frequency circuits a...

    €33 / hr (Avg Bid)
    €33 / hr Gns Bud
    8 bud

    I have a DC car generator as shown in the file attached. I made modification and removed the rectifier circuit. I made the stator winding as delta connection. I want to design the circuit that control the speed very slowly (smooth movement) to use the motor as an egg turner. it move to the right to limit switch and then back to other limit switch. I want to use esp32 controller to add other sensor...

    €133 (Avg Bid)
    €133 Gns Bud
    9 bud

    Hi, This is a PCB manufacturer from China, we provide one-stop service, including PCB fabrication, assemblying and so on. I'm looking for an agent in your local market, you can design, you can also earn the price difference or the brokerage, it's up to you. If you have interests to be our cooperative partner, pls contact me.

    €468 (Avg Bid)
    €468 Gns Bud
    20 bud
    rfid engineer Udløbet left

    rfid low voltage project to detect close objects with rfid tag on it.

    €410 (Avg Bid)
    €410 Gns Bud
    26 bud

    21,600 volt line with wind, solar and gas generation with grid tie

    €2399 (Avg Bid)
    €2399 Gns Bud
    17 bud

    Short Circuit Studies for Breaking Capacity for Solar Project

    €33 (Avg Bid)
    €33 Gns Bud
    19 bud
    P C B designer Udløbet left

    my design requirement, Capacitive touch MCU based smart switch controller 4 layer PCB design. I will give the circuit schematics and enclosure design. we need EMI/EMC compatible PCB design.

    €101 (Avg Bid)
    €101 Gns Bud
    25 bud
    Project for Ali J. Udløbet left

    i need circuit for ecigratte that heats an element based on electret mic signal. it should include acircuit for charging lipo battery back. when connected to outlet there should be a function that connects the power from outlet to heating element. i need the proteus files in 3 days

    €26 (Avg Bid)
    €26 Gns Bud
    1 bud

    Hi, We have a custom Atmega 2560 Micro controller board, i require a fully functional RTOS to be built to enable all the Input and output using serial commands. Please go through the attached file for the PCB for more information, The Firmware requires the following features Readings from Accelerometer ADXL Readings from LM35 Manage 12V GPIO all 6 Ports Manage 5V GPIO All 6 Ports Manage LED ...

    €168 (Avg Bid)
    €168 Gns Bud
    12 bud

    The following is the task : Create a html page with a form requiring voltage and currect values from the user . Calculate the resistance and download all the input and calculated data in a text file . But now i have to plot a voltage vs current graph with all the values given before in the html form . Hint is to use GNUplot or anything else is also fine .

    €53 (Avg Bid)
    €53 Gns Bud
    11 bud

    built 10 or more small plastic enclosure box with off the shelf circuits wifi, battery charge controller, push on switches and battery. some soldering requiere. we will provide all the materials sent from aliexpress. We are open to suggestions for final parts. we will pay shipping to our location for the finished boxes

    €22 (Avg Bid)
    €22 Gns Bud
    8 bud

    To design, detailed engineering, sizing calculation of components, preparation of detailed manufacturing drawing including 3D view of panel, bill of materials, control schematic, code development for micro controller and its farm ware etc for a constant voltage transformer (CVT) of capacity 5kVA, 230V, 50-Hz, single phase output. The output of CVT should constant 230V, single phase, 50Hz where as ...

    €1224 (Avg Bid)
    €1224 Gns Bud
    6 bud

    L-index optimization and Voltage Deviation optimization of 30 bus system on MATLAB

    €173 (Avg Bid)
    €173 Gns Bud
    9 bud

    L-index optimization and Voltage Deviation optimization of 30 bus system(MATLAB)

    €64 (Avg Bid)
    €64 Gns Bud
    5 bud