12v battery charging circuitcông việc

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    Electronic circuit design Đã kết thúc left

    Thiết kế mạch nguyên lý và vẽ mạch bằng altium

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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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    Finde the product (research) Đã kết thúc left

    I need someon whoo Will make a research or find a product on the market for me. I need a micro gps trucker, which can be attached to a pigeon leg so small waigt max 15grams, for my studies of pigeons, the battery must resist for 3 day. so i need a micrko gps trucker who Will show me on the app on the real time the exsact location where the bird is. IF THIS ALREDY EXSIST ON THE MARKET i need a pri...

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    You must live in certain countries in the Western Balkans, Eastern Europe, or Latin America. You do *not* need an ESP32. You do *not* need an Arduino. You must live in one of the following countries... Albania, Bosnia and Herzegovina, Brasil, Bulgaria, Chile, Colombia, Kosovo, Mexico, Moldova, Montenegro, North Macedonia, Romania, Serbia, or Uruguay. ✻ OVERVIEW ✻ Being paid for every hour you ...

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    I have a simple project which I need coding for and a digital circuit making

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    TinkerCad Lab experiment 6 ngày left
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    Hello I need help with circuit creation in tinkercad. The circuit is known as digital dice. A digital dice is a good alternative of an old fashioned dice, it cannot be biased or deformed. It operates at such high speed that no one can cheat. Then I made more research on the digital dice and I found this circuit online. How does it work? There will be 6 LED lights lined up in a row on the breadboar...

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    I want layout of the circuit attached

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    Electronics Lab 6 ngày left
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    Hello I need help with circuit creation in tinkercad. The circuit is known as digital dice. A digital dice is a good alternative of an old fashioned dice, it cannot be biased or deformed. It operates at such high speed that no one can cheat. Then I made more research on the digital dice and I found this circuit online. How does it work? There will be 6 LED lights lined up in a row on the breadboar...

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

    i need to design a system for antenna based on given circuit and if possible design a circuit with PID and FLC as well using the the same parameters

    $41 (Avg Bid)
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    You must live in certain countries in the Western Balkans, Eastern Europe, or Latin America. You do *not* need an ESP32. You do *not* need an Arduino. You must live in one of the following countries... Albania, Bosnia and Herzegovina, Brasil, Bulgaria, Chile, Colombia, Kosovo, Mexico, Moldova, Montenegro, North Macedonia, Romania, Serbia, or Uruguay. ✻ OVERVIEW ✻ I estimate that you will norm...

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    I have a 34 volt DC supply (supply is LPC-60-1750) and wish to use same supply with a both a 12 volt dc fan AND a LED array: (dc-le14231) specs of array is: Power Consumption:50W Power Input: DC:18-22V Forward current :1500mA I believe a resister or 2 are needed to be able to use the two loads on this supply

    $21 (Avg Bid)
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    hi i want to design PCB that use solar to charge battery and power on UV led on Night to attract insect Battery need to charge Both Solar and Power Led Automatically power on 4 hours per day Led model - 2835led 395 nm 0 5W Li-ion Battery 18650 (much as need)

    $123 (Avg Bid)
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    Simple PCB Design 6 ngày left
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    lm2596 dc dc convertor pcb design. just add 2 lm2596 modules on the pcb to share power 12v, 9v, and 5v.

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    Break Fix - WO-014633003 5 ngày left
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    - Case ID - 5069432821 - WO Description - ROC/ENUR/IN/NCD/win10/2N1L0PA/*Hardware Issues/Battery/Plugged In But Not Charging - Product Description - 2N1L0PA-5CD116P53D-HP Pavilion Laptop PC 14-dv0000 (9WF41AV) - Asset Serial - 5CD116P53D - Customer Name - ashish anand mishara - Customer Name - ashish anand mishara - Customer Address - Bangalore 560068 - Part Description - SKO-BATT 3C 43Wh 3.75A...

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    Địa phương
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    build me in easy eda a pcb card with the following characteristics, with the essential programming libraries to work, I require for now only the basic programming, that is, without conditions, only reading of each sensor and printing of sensors on the monitor. The hardware features are as follows: FUNCTIONAL DESCRIPTION: This is a switch actuator module for AC voltages in addition to the ambient v...

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    We are looking for team/individual(s) to develop a software for Charging Station Network Management from scratch. - Need to establish communicate between charge management system and charging station(s) - Vehicle authorization - Charging status - Complete OCPP 2.0 features implementation and an android application.

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    Arduino traffic light system 5 ngày left
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    Using an Arduino Uno board on TinkerCAD, design, implement and test a Traffic Light Controller for the junction of two roads (Road 1 and Road 2) with two traffic sets of lights as shown in Figure 1. Each road has a corresponding vehicle sensor (Road 1/2 Sensor) that needs to be triggered (I suggest a simple push button) before the traffic lights for that road change state (otherwise they will stay...

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    Make 3d video/animation 5 ngày left
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    It is required to make a video for the electronic scrap recycling plant. 5 minutes The video should be show the recycling process in following steps: [đăng nhập để xem URL] circuit boards are being loaded on the conveyor belt 2. While running on the conveyor belt AI identifies chips that can be reused separates them: the separated boards goes to laser cutting machine where the chips are being cu...

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    Nổi bật NDA
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    You must live in certain countries in the Western Balkans, Eastern Europe, or Latin America. You do *not* need an ESP32. You do *not* need an Arduino. You must live in one of the following countries... Albania, Bosnia and Herzegovina, Brasil, Bulgaria, Chile, Colombia, Kosovo, Mexico, Moldova, Montenegro, North Macedonia, Romania, Serbia, or Uruguay. ✻ OVERVIEW ✻ I estimate that you will norm...

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    I have a adafruit playground express hooked up to an adafruit Crickit motor controller The motor controller is controlling a peristaltic fluid pump hooked up to a brushed DC motor. I want the arduino code to: (1) Run the pump motor for 10 seconds when button 1 is pressed (2) Run the pump motor for 25 seconds when button 2 is pressed (3) If the pump is running, I want the user to be able to stop ...

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    find the transfer function of cuk converter using circuit averaging technique with small-signal analysis(full derivation need)

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    Project 1: Electric Vehicle Battery 2-4 minutes My company makes several components within electric vehicle batteries. I'd like to have an animation that expands a battery to show the inside components. Ideally it runs like a video showing a car and electric helicopter in the beginning, breaking down individual components to highlight what we offer. Example of something similar: [đăng nhập đ...

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    We are small company, who fixes devices like Mobile telefoons, iPad, Tablet, laptop, MacBook, iMac, desktop, iWatch, smart watch and PlayStation. We repair all this device if they have problem with LCD(Screen), back glass, Speaker, Microfoon, No Wifi, charging problem, Water damage back camera, front camera, face ID problem, on/off Button, No IMEI, Data Backup, Software issue, Motherboard or any...

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    I want layout of the circuit attached

    $10 (Avg Bid)
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    3 lượt đặt giá
    Integrate Zettle SDK in React Native -- 2 4 ngày left
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    Hi there, For an upcoming project, we need a Proof Of Concept to see if the iZettle (payment provider) IOS SDK ([đăng nhập để xem URL]) will integrate with React Native. - What we need is a simple page in React Native with a payment button - There is no React Native app yet, so you can create just an empty React Native placeholder page for this - The button should just trigger a payment action. ...

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    Break Fix - WO-014629133 4 ngày left
    ĐÃ XÁC THỰC

    - Case ID - 5069596375 - WO Description - 5069596375/charging issue - Product Description - 31G41PA-5CD111NNF6-HP Spectre x360 Convertible Laptop PC 14-ea0000 (1Q879AV) - Asset Serial - 5CD111NNF6 - Customer Name - TARUN MARHWAL - Customer Name - TARUN MARHWAL - Customer Address - Bangalore-560103 - Part Description - - Part Number - - SO Number - - Request Deadline - 24-07-2021

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    Hi, Please mention "Pebble" in you bid or it will be discarded. So here is more about project. I need a web based screen writing software (References Trelby, studiobinder, celtx etc.), I am myself a developer but busy with other projects so don't have time for this one. So here is some of features I wish to have... 1. Basic Text editor with all the text formatting 2. Screen writ...

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    Images to be designed 4 ngày left
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    i want images with logo [đăng nhập để xem URL] phone repairs. 2. Battery Replacement. 3. xbox Repairs. 4. Playstation repairs 5. Laptop repairs. 6. Data Recovery. to go onto google. i want a image 600 wide x 900 length for the display frame for out side shop. 600x 900 i have a current one need to be modified.

    $25 (Avg Bid)
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    Website Coding 4 ngày left

    Seeking for a professional computer programmer to program our site. We are a new start up company who is building a website for business search. It would need a business side so the business owner/manager can add a listing to the website. There needs to be a section where the business owner can purchase a package so we can feature there listing "very similar to yelp." There also needs t...

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    Electrical Engineering Project -- 4 4 ngày left
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    Need an expert who has good experience in Electrical Engineering Subject including circuit design.

    $21 (Avg Bid)
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    You must live in certain countries in the Western Balkans, Eastern Europe, or Latin America. You do *not* need an ESP32. You do *not* need an Arduino. You must live in one of the following countries... Albania, Bosnia and Herzegovina, Brasil, Bulgaria, Chile, Colombia, Kosovo, Mexico, Moldova, Montenegro, North Macedonia, Romania, Serbia, or Uruguay. ✻ OVERVIEW ✻ I estimate that you will norm...

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    Take an existing Altium 21 schematic, add real simulation models to components and create an accurate simulation in Altium of an analogue oscillator (50KHz) and inductive sensor coil circuit. The analogue oscillator circuit captured in Altium Schematic (less than 25 parts) has been built in hardware and simulated in TI Tina simulator. The Tina simulation transient analyses output matches the har...

    $110 (Avg Bid)
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    Heat Transfer Modelling of A Cylindrical Type of Lithium-Ion Battery Get the Graph to inspect the internal temperature of the battery to determine the battery performance

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    Have to design a potentiostat circuit for detection of contaminants using chronoamperometric electrochemical technique.

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    we are group company, now i have two websites need seo article writer, every week 2-3 articles. it is long term cooperation relationship, our products are lithium battery, lifepo4 battery. please provide your sample ariticle, and your best price.

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    I want a simple Web Application for battery cells monitoring

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    MATLAB_Excel_Homer_Pro_Task 3 ngày left
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    microgrid design study of your choice. Here you should select or define the following: a. Purpose of the microgrid (to supply for example an isolated village, a hospital, a set of University buildings, a single building, a datacentre, a military base, etc). b. Type of microgrid (grid connected or standalone) c. Location of the microgrid d. Demand profile characteristics including variability, if a...

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    [đăng nhập để xem URL] ( TASK 3. make pages just put product service ( 10 pages for 1dollar.... 400 pages for 40 dollar fixed) I am a knowledge market service like level 101. We are creating such an educational site. (It is Korean, so please translate it into English.) [đăng nhập để xem URL] EX 1 Pick digital drawing lectures at [đăng nhập để xem URL], 2. go youtube . search "digita...

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    build me a circuit to switch resistance 3 ngày left
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    I have a circuit, that in which I am using a relay to switch resistance if anyone could explain to me the way another possibility with the circuit, without any microcontroller to switch resistance with low cost and size, I want to switch 1.2ohm resistance to the existing circuit.

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    I’m wanting to build a DIY sports timing device for running, based on an Arduino or similar micro controller. The device will be used by a “track & field” athletics club for training purposes - we have professional timing equipment for competitions – but need something simpler for training. The device should get input via an impulse signal from external equipment...

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    Deadline: 1st August 2021 Make a well documented SDK/package for bridging a cross-platform Unity project generated iOS App and iWatch modules of the same app, with error handling: Able to communicate between iOS Unity App module and iWatch App module without delay. Presumably via WatchConnectivity or faster method. With an example demo code. Able to keep sending raw data from iWatch App module (...

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    I am looking for a basic circuit that will trigger the shutter release on a Nikon D500 camera (using the camera's 10pin connector - using pins 6 & 4) when a laser light is pointed at a photodiode or similar electronic device in the circuit. The circuit needs to be very compact and run off a CR2450 battery as it will be fitted inside an underwater camera housing. I don't need the ci...

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    You must live in certain countries in the Western Balkans, Eastern Europe, or Latin America. You do *not* need an ESP32. You do *not* need an Arduino. You must live in one of the following countries... Albania, Bosnia and Herzegovina, Brasil, Bulgaria, Chile, Colombia, Kosovo, Mexico, Moldova, Montenegro, North Macedonia, Romania, Serbia, or Uruguay. ✻ OVERVIEW ✻ I estimate that you will norm...

    $13 / hr (Avg Bid)
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    6 lượt đặt giá

    Hi SagradoAmicus(ماشا الله ), This is for the project I was discussing earlier. To add a battery meter to the existing board, move the usb a plug inward on board, and look at any possible substitutions to lower bom costs.

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    The idea of the project is to amplify current vibration/tactile feedback using vibration from a device as a trigger. Basically use existing vibration to trigger a vibration motor. Example: phone case that amplifies phone vibration So when the phone vibrates, the motor inside the case vibrates in sync

    $455 (Avg Bid)
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    Heat Transfer Modelling of A Cylindrical Type of Lithium-Ion Battery Basically, we should get the Graph to inspect the internal temperature of the battery to determine the battery performance

    $183 (Avg Bid)
    $183 Giá đặt trung bình
    16 lượt đặt giá