Transformer power supply circuit 12v 100macông việc

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    measure power using ade7753 Đã kết thúc left

    cần mạch đo công suất, năng lượng, góc pha và code tương ứng. Sử dụng MCU 8052

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    Tự động hoá nhà nuôi yến. Yêu cầu 1 hệ thống tự động, điều khiển từ xa thông qua kết nối internet, hoạt động trên 1 PC (kết hợp Arduino). - Hệ thống hoạt động trên nguồn điện DC 12v. - Output 3 lines âm thanh độc lập + 3 amplifiers. - Đo nhiệt độ và độ ẩm. Output: DC brushless pump. - Giám sát bằng camera, sensor báo độ...

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    1. Xây dựng một search portal trên nền Web cho hệ thống PowerSE với yêu cầu chi tiết từ trang 2. 2. Viết bằng ngôn ngữ đang là xu hướng hiện tại, yêu cầu tải trang phải nhanh và nhẹ. 3. Grid hiển thị dữ liệu phải đủ mạnh và nhanh, phân trang tốt, có thể hiển thị được 1 triệu kết quả. 4. Xuất dữ liệu phải đẹp, thân thiện, c&oa...

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    Viết ứng dụng Android Đã kết thúc left

    - Viết phần mềm ứng dụng trên android (mobile or tablet) để thực hiện truyền và nhận dữ liệu với thiết bị khác (bộ truyền tin RF) ở tần số 408,925 MHz. - Thông số và chuẩn giao tiếp của bộ truyền tin RF như sau: o Tần số hoạt động (central frequency): 408,925 MHz o Công suất tối đa (transmitting power): ≤ 9,8 mW o Độ nhạy (sensitivity): -105 dbm...

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    Update Script API and System Referrals 6 ngày left
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    I have a Mining Simulation Script in the cloud that I need to update and modify a referral function with an mlm scheme. 1. I need to update the GOURL API of the Script that the client uses to purchase mining power in the Script. A. When the customer purchases the mining power, the history that the order is being processed must be viewed B. When the purchase of mining power is completed, it sho...

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    Build me an app 6 ngày left
    ĐÃ XÁC THỰC

    supply and install of counter top, need an app for customers to request for measurement, inputting info like address, date and time. also able to upload some photos for customer to view our completed projects and our products

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    Seeking Travel Style Website 6 ngày left
    ĐÃ XÁC THỰC

    I am seeking a website that is not travel at all but is very similar in its functionality as a high level travel site. This means that you need to understand structure and flow and ignore the content. I supply all content all website text and all images. I do have a detailed project doc that upon understanding your qualifications will be attached here at FREELANCER. The person who is awarded this ...

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    This project is still available as of 21 October 2019. *** OVERVIEW *** - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microcontroller. - You do *not* need any experience with... ESP32, microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, or circuit design. *** HOURS *** You mu...

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    Stand-alone simulation for one qubit and two qubit gate to mimic the behavior of photons in a circuit Need to write python code

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    Need 2 powershell script: Purpose: Create an inventory of SQL databases and SQL instances ( instance and Windows machine) and store in two different table 1) I will run the [đăng nhập để xem URL] script from my machine. 2) It will read a textfile from C:Jamil[đăng nhập để xem URL] where one server name per row (Sample file attached) 3) It will insert the values in SQL table called [dbo].[Datab...

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    hello, please just make some improvements on the existing file, using the Logisim, see the attachments for details

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    Hey all need a tiny project quick. I am needing to turn my 48v POE lines to an output of 5v and around 3.5a. Also on the same PCB I would like that 48v to also output 28v and around 1a. Putting both on the same PCB will cut the cost of making them. Only one output will be used depending on what needs to be powered. Both voltages will not be used at the same time. There also will need to be one so...

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    I have some work that needs to be completed and with step by step solutions as I would like to further understand. Involves basic Transformer Mutual inductance, Equivalent circuits

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    Complete some work 6 ngày left
    ĐÃ XÁC THỰC

    I have some work that needs to be completed and with step by step solutions as I would like to further understand. Involves basic Transformer Mutual inductance, Equivalent circuits

    $24 (Avg Bid)
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    8 lượt đặt giá
    XQD Dongle 6 ngày left

    I would like to have an XQD Dongle made that will have a XQD standard plug that converts to a double XQD connector. I wish to plug the cable into a camera with a single XQD port and write to two XQD cards at the same time. I don't want a simple dual wired connector, I can do that myself. I want a connector that is remotely powered by something other than the camera. The poer source could be s...

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    Data analysis and methodology 6 ngày left
    ĐÃ XÁC THỰC

    I have done some matlab simualtion i need it discussed its about power system you need to understand the results

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    3D animation 6 ngày left

    We are making a 30 second "trailer" video going before dispatch of another item. The customer item for which most liveliness will be done is a "hinder" the size of your thumb, that gets put in a processing machine that is a piece of a computer aided design/CAM tooth rebuilding framework. In the wake of processing, you have the rebuilding, for example, a crown, prepared to put i...

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    simple audio ADC 6 ngày left

    I would like to build a single line audio ADC on a teensy 3.5. that will convert to line audio signal to a VU reading. Line Audio =~ 1.7v AC In the uploaded images, the sin looking wave would be the original, and the other would be the result at full amplification. A simple electrical circuit should be ale to achieve this. Contraints - Teensy 3.5 using the arduino IDE - Adjustable peaks with 10...

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    we are looking for a Matlab expert with sound knowledge of Electrical (Power). who can implement and improve the performance of a problem in Simulink. The paper we want to improve is "Electrical Vehicle Charging Station using a neutral point clamped converter with bipolar DC bus and Voltage balancing Circuit" (2015). we want to know if the problem is improvable and can be further develop...

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    Audio voice recording 6 ngày left
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    We are looking for several prefessional, articulate, and fun voice recording people that can help us with our medical project. We need 20 audio files made with 1min. duration each. To bid on the project, please supply a 20 sec. sample based on the attached script. For an example of the recording please see attached audio file.

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    Need to make a supply chain Web App using angular , NodeJs and Hyperledger Fabric.

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    Hi All WordPress Experts, I would like to highlight that this is not easy job so bid only you have vast experience of WordPress management and migration. This is not just 4-5 page website to migrate. My website has 2 sections: Academy and Shopping. Everything needs to be migrated perfectly with all featured and functionality website has right now. After that we need assistance to implement few o...

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    Simple Elegant Product Style Brochure. 6 ngày left
    ĐÃ XÁC THỰC

    Create simple elegant product Sales brochure front and back... or could be a tri-fold brochure, or front and back 8 X 11 page... 60 products all doors images will be vector black and white images, supplied sample brochure, and snapshot of examples of products that will go in the brochure/pamphlet. if you want to send a concept image please do... you are more likely to win the project if you send a...

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    50 lượt đặt giá

    I have a blood testing clinic for which I am developing a website and leaflets. I need a content writer to write in a sales funnel style with use of power words. If a someone visits my website then they have an interest in the product, the content should convince them that they NEED the product I want real facts in the Content with references

    $35 (Avg Bid)
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    9 lượt đặt giá

    I am an inventor with a provisional patent application I am almost ready to send to the USPTO. I made detailed drawings using InDesign and they are almost finished, now I need crosshatching added to give them shape. There is a perspective view of a fabric seat suspended in place by an apparatus that is comprised of about ten uncomplicated parts, some of which are made of aluminum and others fibe...

    $120 (Avg Bid)
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    5 lượt đặt giá

    I have a blood testing clinic for which I am developing a website and leaflets. I need a content writer to write in a sales funnel style with use of power words. If a someone visits my website then they have an interest in the product, the content should convince them that they NEED the product I want real facts in the Content with references

    $24 (Avg Bid)
    $24 Giá đặt trung bình
    21 lượt đặt giá
    Corporate Power point presentation 6 ngày left
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    I am need of a corporate power point presentation for my business. I need to have 5 templates with 5 different topics. All presentations should have 6 pages that corresponds with the design. I need to have it done in 4 working days, I.e this week. Please: Read the criteria before you push for this regarding the templates!

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    Hi I am looking for help using my 3D printer, Arduino, LDRs and LEDs I would like to test an 8x8 LED matrix where the lights and LDRs are individually addressable. My thoughts are as follows: i. Print a flexible circuit on my 3D printer (I have the filament that is supposed to work) ii. have low power attach to both the LED and LDR in each square; each is individually addressable iii. Use surf...

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    I want my basic servo motor to go to my desired angle when I switch power on. And then go back to starting point when I switch off. I don't want to code if there's another option. I have checked voltage in the circuit. When it's 0° it's 5v and when it's 90° it's 3.5 Let's say it's 0° off position On position can be 90° Then it should go bac...

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    I'm good in doing power point presentation with all graphics and design so u can believe me and I could do this work for u

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    Project is to develop professional virtual Power point presentation with the content provided, Brief description of the project is mentioned below - Design virtual Power point slides with the content provided in the PPT format - Complete project should have unique font styling - LOGO Designing - Organization logo to be added to all the slides - Add Auto voiceover to all individual slides with the...

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    Project Description: 2-Stage Project with 2 milestone payments. 1. ***The 1st stage of this project is completion of the board design (must use Orcad/Cadence software), which includes schematic, printed circuit board and Bills Of Materials. 1st milestone payment on successful completion of 1st stag 2. ***The 2nd stage of this project is coding the software with good documentation and 2nd miles...

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    Narrative --------------- The µLab is the enclosure that holds the mixing system and consists of a 10cm * 10cm * 10 cm box with 1.5-2 mm thick PC/PCE/ABS walls and a total weight of less than 1 kg. A group of 8 transparent tubes (FST?) will contain liquids to be mixed (1A+1B-->1C, 2A+2B--> 2C, 3A+3B-->3C, 4A+4B-->4C). The solutions A and B will be separated in their correspon...

    $246 (Avg Bid)
    Gấp
    $246 Giá đặt trung bình
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    integration of project online and ERP systems. Data warehouse

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    Hello I would like to make an alcohol distillation column controller with the option of reading data from the phone. Controller functions: - temperature reading from 4 DS18B20 sensors. - support for 4 motor valves (CWX-25 CR-05 12V) - adjustable every 5 percent - support for 9 kW / 400V heater (three phases) - adjustable every 2.5 percent - wi-fi & bluetooth support To start with, I only ne...

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    Nồi Bật
    $208 Giá đặt trung bình
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    I have a ready presentation I need to have a professional theme and make it look [đăng nhập để xem URL] Need it Tonight. All Files are available in here.

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    Trophy icon Re-Design of Current Logo 6 ngày left

    We currently have a Logo for our business and after many years it is time to upgrade. The current logo is simple and effective and liked so we would prefer to keep it similar unless of course you have something you think is much better. The design must contain the web address "[đăng nhập để xem URL]" in any font that is clear and easy to read. The picture design in our current desi...

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    Được đảm bảo
    $41
    342 bài tham dự

    - Edinburgh based start up - looking for local freelancer ideally, to make testing/development easier - Develop a control system for a shift-by-wire e-bike gearbox - Mechanical parts and electro-mechanical actuator are already designed and are at prototype stage - Advise on selection of appropriate position/proximity sensors, power supplies, - Develop arduino code to achieve required gear shift se...

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    Power point presentation needed 6 ngày left
    ĐÃ XÁC THỰC

    I will provide you with a research paper. I need you to make a powerpoint from it. Do not copy paste directly. Bid only if you know how to make academic paper of this type. Also ask questions if you need to I am paying 10aud. Fixed budget

    $4 / hr (Avg Bid)
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    power point, video editing

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    Resume - Create 6 ngày left

    Simple Project Copy old resume to: 2 new formats - very easy - should only take 1 hr I will supply the psd files

    $17 (Avg Bid)
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    Compute statistical power and effect size for small research study (using Gpower)

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    Multi branches multi users, mining and transportation of sand and aggregate materials trading, supply Softwers

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    I will send you pdf file and you have to design circuit like pdf circuit as soon as possible. You must add footprint in circuit design and don't need PCB design. All components will be SMD and res and cap is 0603. Delivery: sch and PCB library, altium design file

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    Seeking a developer who is proficient in designing the FPGA system(circuit & PCB, firmware) for the industrial camera. -who can achieve high-performance image preprocessing on frame grabber boards(using protocol such as Camera Link). -who have an experience to integrate real-time functions into the camera system for pixel-oriented gain control, compensation of defective pixels, increased dyna...

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    $40 / hr Giá đặt trung bình
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    I am looking to create a brand for a military parachuting school. I have a start point that I like, but it is rough, created using power point and some JPG files....I want to create multiple options for use on stickers, shirts, social media, and other products. I am looking for a baseline “logo” with variations on size and detail. Attached is a start point that I am am using for a coi...

    $5532 (Avg Bid)
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    Busco una persona para crearme una presentación completa sobre la temática del emprendimiento. Con un mínimo de 10 capítulos y unos 30 subcapitulos. La presentación completa deve durar por lo menos unas 2 horas completas. Quiero repartir sobre cada subiecto para hacer un vídeo por capítulo. Cada vídeo tiene que durar unos 15 minutos mí...

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    Common values for resistors, capacitors and inductors are more desired, as it will make building the circuit a lot easier.

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    Build me an app (iOS and Android) 5 ngày left
    ĐÃ XÁC THỰC

    I will supply you with the design and project description.

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    Data Entry 5 ngày left

    We are looking for a meticulous professional that can help us with data processing tasks e.g. restructuring of excel reports, loading export csv files into a database etc. Ideally candidates have good Excel knowledge and experience with Power Query and at least basic understanding of accounting.

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