Battery switchover circuit jobs

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    23 battery switchover circuit công việc được tìm thấy, giá USD

    There are a number of stand up foot and body massagers on the market like this one: https://store.zaazmovement... Up-down intensity control buttons, USA Technologies e-Port Connect to accept credit cards and Apple Pay. A/C Power transformer, Surge Protector and back up power supply (battery) I have notes on all and sourced many of products to use.

    $2340 (Avg Bid)
    Nồi Bật
    $2340 Giá đặt trung bình
    13 lượt đặt giá
    RFID dual frequency communications 5 ngày left
    ĐÃ XÁC THỰC

    To understand this job, you ...convert a signal/amplify a signal/relay a signal/LF & UHF/modulate & Demodulate signals/ sniff signals/ Micro controllers Electronics PCB layout RFID Rasberry pi zigbee RF CIRCUIT You should have SDR tools, to be able to check for signals etc.. IF YOU DO NOT MEET THESE REQUIRMENTS DO NOT WASTE YOUR TIME OR MINE PLEASE.

    $2635 (Avg Bid)
    $2635 Giá đặt trung bình
    16 lượt đặt giá
    Trophy icon Logo for ai b 5 ngày left

    Logo design for company called AI*B please remove the * from the above we are an Industrial Battery company colors - Black, Toyota Red Orange, white

    $10 (Avg Bid)
    Được đảm bảo
    $10
    29 bài tham dự

    we make intelligent battery monitors with data interfaces and one of such interfaces is serial data stream over Bluetooth BLE module HM-10. This is a very common module in the industry and there is an open source Github library available for both iOS and Android platforms. We need a custom mobile app with our company logo and color scheme, which will

    $2630 (Avg Bid)
    Nồi Bật NDA
    $2630 Giá đặt trung bình
    88 lượt đặt giá
    Battery Label Design Needed 5 ngày left
    ĐÃ XÁC THỰC

    The business is Battery Warehouse. We sell a full line of automotive batteries that are require labels. We need a fresh new design for some of our battery lines. We desire to streamline our designs so that they are similar in look but easily distinguish which type of battery it is.

    $340 (Avg Bid)
    $340 Giá đặt trung bình
    73 lượt đặt giá

    ...simple-to-install, self-contained device which attaches to any vehicle's side view mirrors using 3M double-sided tape. The device uses solar panel type charging of an internal battery, and ultrasonic sensors which light up an indicator bulb and flashes when cars approach within the blind spot of a driving vehicle. There should be no wiring, drilling, and

    $581 (Avg Bid)
    $581 Giá đặt trung bình
    15 lượt đặt giá
    Switch box for son with Special Needs 4 ngày left
    ĐÃ XÁC THỰC

    ...there is another click on Input 1, output will switch to Output 3. Another click on Input 1 - output switches back to Output 1. 3) I would like this run via a rechargeable battery and a 12 volt external power supply which will be supplied by the power wheelchair. I would also like LED lights to indicate which output switch is currently active. The

    $21 / hr (Avg Bid)
    $21 / hr Giá đặt trung bình
    18 lượt đặt giá

    Looking for some ongoing work to help with blog posts and technical articles, white papers around UPS Systems, Power distribution, Switchgear and Large Battery Equipment.

    $15 / hr (Avg Bid)
    $15 / hr Giá đặt trung bình
    25 lượt đặt giá
    Audio Amplifier circuit development 4 ngày left
    ĐÃ XÁC THỰC

    I am seeking a top level device developer

    $12 / hr (Avg Bid)
    $12 / hr Giá đặt trung bình
    9 lượt đặt giá
    alarm and alarm LED for existing circuit 4 ngày left
    ĐÃ XÁC THỰC

    * Add alarm to existing project * co...Add alarm to existing project * controls for alarm * alarm goes off at different time of the day and plays a chosen music from the memory card * alarm has display * complete circuit diagram * complete list of all components * update Arduino code * video showing everything work perfectly * video well explained.

    $10 / hr (Avg Bid)
    $10 / hr Giá đặt trung bình
    18 lượt đặt giá

    Able to design at diagram level a circuit like this [đăng nhập để xem URL] and supervise the building

    $21 (Avg Bid)
    $21 Giá đặt trung bình
    9 lượt đặt giá

    I have a small circuit. I need a freelancer to do 1. Worst Case Analysis of each component. 2. Power Dissipation calculation of each component. need it to be done by tonight

    $26 (Avg Bid)
    $26 Giá đặt trung bình
    31 lượt đặt giá

    Matlab simulation for a grid-tied residential solar PV system with battery Required: Matlab Simulation for a 3kW solar Photostatic (PV) system integrated with 5kWh Battery Energy System (BES) for a house in Australia (its average daily consumption is15kWh/day). - Your simulation design must be 100% same as the "Expected Simulation [đăng nhập để xem URL]" without

    $86 (Avg Bid)
    $86 Giá đặt trung bình
    20 lượt đặt giá

    Looink for an expe...Adjustable Step Down Module Power Supply Converter + Battery protection Circute) in a single Circute board. The below are the reference videos, i need a PCB design + BOM List only and not the entire product 1. [đăng nhập để xem URL] 2. [đăng nhập để xem URL] (Battery protection Circute)

    $176 (Avg Bid)
    $176 Giá đặt trung bình
    26 lượt đặt giá
    Remote watering and data logging control 3 ngày left
    ĐÃ XÁC THỰC

    ...close the water valves, record how many liters of water have passed and how long they have been each Valves is open, it will record the temperature and humidity of the soil, battery voltage 24v and a digital input. The process that is now manually done and we want to be automated is as follows, 1. pump water activation 2. Open Water valves at any point

    $7 / hr (Avg Bid)
    $7 / hr Giá đặt trung bình
    29 lượt đặt giá

    Budget is 30$,please do not bid more than budget mentioned ,Minimum of 10 years experience with background services. 1)Have service which is sending data via REST like lat,long,battery level etc to webservice which is running for every 30 seconds using ALARM manager. Issue is as follows: Service will be stopped or killed by OS ,webservice call gets stopped

    $38 (Avg Bid)
    $38 Giá đặt trung bình
    6 lượt đặt giá

    Battery company [đăng nhập để xem URL] theme colors will be lime green and acid yellow. It needs to be very minimalist and fresh and modern. I will send ideas and we will work together for the final product.

    $66 (Avg Bid)
    $66 Giá đặt trung bình
    86 lượt đặt giá

    We are building a very small pen sized robot. ultrasonic senor will be placed in the [đăng nhập để xem URL] sensor should provi...very small pen sized robot. ultrasonic senor will be placed in the [đăng nhập để xem URL] sensor should provide range of at least 6 meters. Ultrasonic sensor circuit with 10mm transducer and 10x20mm or smaller driving circuit compatible with arduino

    $179 (Avg Bid)
    $179 Giá đặt trung bình
    28 lượt đặt giá

    ...being able to easily define curved work areas to the robot would be desirable. While gas power is possible 12vdc such as off of a vehicle would be ideal. A rechargeable battery onboard may be possible or a 12 vdc cable can be run to the unit. While simple corner markers could be used to define work areas ideal would be GPS and a map on a screen

    $37 / hr (Avg Bid)
    $37 / hr Giá đặt trung bình
    10 lượt đặt giá

    * Add alarm to existing project * co...Add alarm to existing project * controls for alarm * alarm goes off at different time of the day and plays a chosen music from the memory card * alarm has display * complete circuit diagram * complete list of all components * update Arduino code * video showing everything work perfectly * video well explained.

    $53 (Avg Bid)
    $53 Giá đặt trung bình
    26 lượt đặt giá

    ...preferable,code should be submitted so that we test and release if it runs as per job description 24 X 7 with 2 webservice calls. Purpose is to push few parameters(lat,long,battery levels) to server and server responds to some changes and process/execute in the app .Want some best/robust solution to pull and push data continuously. Deadline:ASAP Have

    $131 (Avg Bid)
    $131 Giá đặt trung bình
    4 lượt đặt giá

    ...draw the circuit. The circuit needs to drive 60 LEDs which are arranged like in the attached picture: Four times 3 x 5 matrixes to display numbers. The LEDs will have a flow voltage of 2.8-3.5V. The whole matrix display with the 60 LEDs will be connected to a micro controller through max. eight wires total. Design the driving circuit. It should

    $50 (Avg Bid)
    Được đảm bảo
    $50
    7 bài tham dự
    Trophy icon Design a Logo for Car Battery brand 1 ngày left

    Hello we need a logo design for car battery's and a background for the logo to be used on the stickers for battery. chose one of the names for the logo (any one name of these ) (( Hanover - Kassel - Hamburg - Fulda )) attached photo of the battery stickers.

    $70 (Avg Bid)
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    $70
    925 bài tham dự