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    41,839 build variable voltage regulator circuit jobs found, pricing in USD

    This project is to adapt an existing Open Source program called GHex. It will not be re-distributed so therefore there is no IP issue as far as I know. If you are concerned about this you may wish to let me know that you will re-write from scratch. The adaption shall use the same software technologies as GHex and will be used on the Linux platform. The completed project will be installed just i...

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    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...

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    I am looking for - standard E commerce features - Shipping Labels, Shipping with Tracking ( Free on certain amount order, flat rate or variable option , expediate shipping - need to add USPS shipping API - stripe payment - sequential and promotional emails - Email and or with coupon for cart abandon ( after look but not purchased ) - check out - Guest , Register accounts or Social log in

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    retrieve data with retrofit and write retrieved info into one layout with roomdb technology to iterate variable results into recyclerview.

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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...

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    //Here's a simple example of my problem, I've been trying to solve it all morning but I just can't manage for the life of me, it has something to do with promises and local scope, like the code will keep running even if the function didn't complete it's task.. var testMe = "empty" [login to view URL](testMe) // outputs "empty" fetch(exampleInfo) .the...

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    Multi-label Food Images Annotation The task consists in assigning a set of labels to food images. We are looking for images of “combo plates” (i.e. images that contain more than one food) as well as each of the dishes/ingredients appearing in them. Thus, we need you to assign multiple labels to a single image. At the same time, we also need to discard any image that only contains a...

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    DevOps Jenkins 6 days left

    Need help to fix a Jenkins pipeline. I have a master node in windows and a mac slave node when executing the pipeline in salve from master getting some error probably it might be some ENV variable issue. I will share my screen with you to fix the issue.

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    Hello Prospective Content Partner, We are a startup, currently looking for versatile, motivated, and talented writer(s). VERY VERY IMPORTANT: We need only those writers who can deliver a minimum of 1000 words per day and can work with us for at least 1 year. “If you are someone with busy schedule like normal job or academic responsibilities, Do Not Bid on this project.” --------...

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    The project consists of programming a microcontroller ( developer is free to use up to his preference of controller) for the conversion of an analogue voltage signal at an input and converter to a varying duty cycle on the output. There will be 5 input signals in total. Each input has a different input voltage range. Each voltage is to be converted to a duty cycle on a respective output. The ra...

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    Build me a circuit 5 days left
    VERIFIED

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

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    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 [login to view URL] 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

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    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. [login to view...

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    A variable house designer. Give me a chance.

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    Hash Tables 5 days left

    CISS-111 Project 6 Write a Java program to demonstrate using hash tables. Doing more file processing, you will read in a dictionary file, [login to view URL], and use its contents to spell check a file, checkme, that is provided on the command line. This project is not an in-depth, comprehensive program in the nature of root words, tense, plurals or endings. Rather many words of varying form...

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    Hi I am looking to create a booking/appointment reservation system. I am using Mysql hosted on AWS and GraphQL for the backend/API. My goal is to split a day into variable length time slots that accounts for different variables to determine if a customer can or cannot book an appointment for a particular time slot. Some appointments will be 15 minutes long, some will be 45 minutes long. Additional...

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    I need a tally counter for creating donor sites during hair transplantation surgeries. I need the schematics and code, since I don't have the time to work on them, but I can build the device myself. Basic functionality: The patient has an electrode (ECG electrode) on his hand. The other end of the wire is connected to a needle used to create donor sites on the patient's head. When the n...

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    I am using ApexCHartsJS and i want the DATA to show a PHP variable, my PHP variables looks like this %Grammar% for example: I've created variables gra / lis / voc / rea / ave , but the result i get blank chart <script> var colors = ['#008FFB', '#00E396', '#FEB019', '#FF4560']; var gra = ['%AVERAGE_CATEGORY_POINTS_Grammar%&...

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    Attached you'll find a correlation data table from where I'd like to perform a trend analysis. A line chart will be meaningful for this purpose and here I'd need your help: Format existing data table of 600 rows/3 columns so it will fit a trend/line chart Sort 'Name 1' column into 24 pairs and apply a 24 line chart out of it Sort further the 'Name 1' into 8 curre...

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    Hello, I want a simple mining calculator of BTC coin production built on known difficulty of BTC eruption rates from year 2019 to 2025 with variable hash rate input. Thank you

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    Amazon API Dev Order Download 5 days left
    VERIFIED

    IMPORTANT: I need someone who has an Amazon developer ID ...that can create an order download App. Such that it will get the `Order Number`, `Item Code` and `Quantity` for orders between set dates, for multiple Amazon accounts. This will be a script , PHP, that is automatically ran several times a day to collect the order information from each account. This information will be inserted into my da...

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    I am launching a futuristic technology blog named FutureMinded. We will publish articles on the topic of neurotechnology, brain-computer interfaces, AI, robotics, space, biotechnology and more. IMPORTANT: I actually want to launch a big article tomorrow, and I&#039;m in a hurry, so if your design is good enough according to me and my friends, I will hit Award use it tomorrow and publish the a...

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    I am looking for someone with USB protocol experience to write a small program which can be merged into my existing Arduino/Atmel source. I am new to the USB protocol and not having much success finalizing this portion of the code. Specifically, I am having trouble resuming USB communication after the chip is put into a low sleep mode whilst simultaneously running from a Li-Po battery source, and...

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    Design battery management circuit ,very low voltage

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    Our Business is primarily Distribution and Manufacturing in the Live entertainment Market. Have a need for an Electrical Engineer that specializes in High Voltage, and rigging environments. Would like to contract hours with a degreed Electrical Engineer to review all build documents and schematics required to build lighting cables and chain motors.

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    A 3rd party Floating Cart stores in a localStorage variable a string which looks to be a JSON encoded object. Want to get/decode the string as a variable. Read only. Here is a part of an example of the localStorage string: "type=string&value=%257B%2522header%2522%253A%257B%2522version%2522%253A%25221.0%2522%252C%2522format%2522%253A%2522json20%2522%252C%2522e%2522%253A%2522success%25...

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    select some rows from mysql if any row contains the word total: extract the value after total and before DA if the row does not contain the word total, check if it contains the word MAXY if it contains the word MAXY extract value between MAXY and DA if it does not contain either of those check if it has the word Crédit :xxx DA where xxx is a variable if contain, then extract extracted...

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    Hi I am looking to create a booking/appointment reservation system. I am using Mysql hosted on AWS and GraphQL for the backend/API. My goal is to split a day into variable length time slots that accounts for different variables to determine if a customer can or cannot book an appointment for a particular time slot. Some appointments will be 15 minutes long, some will be 45 minutes long. Additional...

    $119 (Avg Bid)
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    Hello Urgent requirement of circuit design and analysis project to be done by 17th July . apply asap if you are ready to start immediately

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    I have written a stand alone pygame application that connects via udp to a master machine. This master machine provides network packages with variables and their values via udp, and the application represents them as instruments in the client machine. Each instrument has a set of 2d textures associated with it and a range of values and movement, can be rotation, translation (x and y) and also coul...

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    What I want is a simulation(proteus, matlab). It can be divided in to 3 part or more. 1: Solar energy is converted into electrical energy to supply large battery energy storage devices then supplying 230V AC 2: Substation's electrical energy converted to 230V AC 3: compile code by using a microcomputer like Arduino Programming software(MPPT method=Perturb or observe or Incremental conductance...

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    [08:29:39:902] [2801:2801] [ERROR][[login to view URL]] - failed to open display: [08:29:39:902] [2801:2801] [ERROR][[login to view URL]] - Please check that the $DISPLAY environment variable is properly set. here is the error.

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    The car runs on 6.4V battery. It is all wheel drive car - all four wheels turn when throttle is pushed to drive forward or backward. There are two motors that allow to achieve this, one is located at the front of the car and the other one is at the back of the car. These two motors work fine and there is no issue with the the forward and backward movement. The problem is that the steering wheel o...

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    Hi, I have software for microcontroller PIC32MX340512H which reads data from A/D converter MCP3424 via I2C bus. The program only works properly if MCP3424 measures a negative value. In this case, PIC32MX340512H displays the correct value. If MCP3424 measures a positive value (voltage), PIC32MX340512H will show an incorrect value. For example: if I connect -1.5V voltage to MCP3424, then PIC32 wil...

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    The company planning to provide 4 services (H, K, S, L) as enterprise solution for interested companies and its employees. the goal is to price the services based on tiers or packages. The company will provide the enterprise solution on 3 years base contract and planning to reach the break-even within those 3 years. The requirements are: - Tab 1: calculate the fixed and variable cost in the excel...

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    pease bid only if you are in maharastra (india) circle. i need hardware as well.

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    Smarketly builder 3 days left
    VERIFIED

    I need someone that knows how to use Smarketly to set up my webpages, email campaigns etc.. so I have a full running store with all options variable from Smarketly.

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    I would like a field deployable data acquisition system (preferably using something simple like arduino) that will record a fluxgate magnetometer for days in the open air. If you want to look it up, this will be used for geophysics, one use will be to be a base magnetometer, which will remove for the magnetic changes due to solar storms and the second will be to record magnetotellurics, which can...

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    We have a partially completed website, where there are several products to be uploaded/corrected. The products should be taken from the supplier's website (LPD) [login to view URL] (will provide login details) and uploaded/amended on the new website: [login to view URL] There are several variable products, these should have one single page for the product with drop downs with the variants...

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    I need to develop mysql/php script - insert a list of category in prestashop database - insert a list of products in prestashop database You will get the list of products and category to insert from 1 file we will provide prestashop 1.6 server access if some mandatory field are required when inserting data, you will add them as variable, at the beginning of the script See attachment Thank you

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    Hi, 1. I want a professional engineer to design a battery charging circuit with all the protection circuits (overcurrent, overvoltage, overdischarge, cut-off, shortcircuit, etc). 2. Kindly check the attached file(fig-1), (fig-2). I have different excitation methods for piezo resistive sensor. Which one is stable and long term stability. If you have any other ideas, kindly share it. 3. I would to ...

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    Build a PCB 2 days left

    I need a LED matrix PCB done with RGB, it must be controlled by Xbee and Arduino. I have done an initial layout. There is not much work left beside to check the circuit and intrgate the pins of the arduino and xbee as well and check the circuit is complaint. I will need the eagle schematics when done.

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    LTspice circuit 2 days left
    VERIFIED

    I need to do an LTspice circuit

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    Please see this code; the value of $mypoolstate ends up being blank, this was already tested without Invoke-Command worked like a champ. Please help me make this code work and fix my syntax? $scriptBlock = { param([string] $mypoolname) $mypoolstate=$(Get-WebAppPoolState= $mypoolname).Value; } Invoke-Command -ComputerName $myserver - ScriptedBlock $scriptBlock Write-Host "value of mypool...

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    STARTUP You start the App and you can see a splash screen t be created by the developer. CONFIGURATION As first operation, in the background, the app shall fetch a configuration file from a fixed location. The configuration file is a json file containing some properties specified in attachment. MENU, PERMISSION AND GEOLOCATION The first screen that appears geolocate the smartphone. The permissio...

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    we need a small debug app that run in that background , the app will search for a specific variable and update a local db with our api we have the variable the budget is 100 dollar

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    The company is a IT computer and low voltage cameras access control company, We do not do any type of fingerprint locking etc Do not use security logos You can use security cameras ( NOT PHOTO CAMERAS ), wires computer in the logo

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    Urgent Guaranteed
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    We sell Electrical automation products including, WiFi Circuit breakers; RF Wireless light times; Wireless Water heater Controllers; etc.... We are looking for someone who has solid online experience selling electrical equipment who is able to list our products on various online platform in Canada, USA, North America, Middle East and Africa. The main payment will be commissions of up to 20% of ev...

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