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    24,586 battery charging circuit digram работ(-а,-ы) найдено, цены указаны в USD

    Hello! I have a device with USB ports for charging. I need my Arduino Pro Mini to detect if one of the ports is using for charging (Charging right now or not). Scheme of the ports in the picture. I hope the decision will be cheap. I need the scheme and the components.

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    Перевести в вектор Завершено left

    Проект предназначен для поиска дизайнера для постоянной работы (сначала загрузка будет небольшой - около 1 проекта, как в данном задании, в неделю, потом, возможно, больше). Необходимо перевести картинку в вектор, несколько изменив внешний вид рисунков. Сделайте лучшее и красивее на ваш вкус :-) We are looking for a designer for permanent work (at first the charging will be small - about 1 proj...

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    Требуется написать программу управления лампами накаливания. Необходимо управление 3-5 лампами накаливания. При нажатии кнопки должна включаться соответствующая лампа. Через случайные промежутки времени от 0 до 1 минуты, лампа должна мигать случайное количество раз, со случайной интенсивностью и скоростью, после чего яркость лампы должна установиться на случайном уровне. При повторном нажатии той...

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    Statement of work: The development of plug-in for calculating and charging fees partnership with the possibility of issuing the required number of levels: Functionality:   The possibility of exhibiting in the plugin settings (on the server): 1) Groups - the Group's customers, which are covered by a plug. 2) Symbols - Trading Instruments, to which the plug-in. 3) Tier 1 - Per...

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    Съёмка рекламного ролика нового девайса Необходимо снять рекламный ролик устройства Примеры: [войдите, чтобы посмотреть URL] [войдите, чтобы посмотреть URL] [войдите, чтобы посмотреть URL] С другими примерами возможно ознакомиться здесь: [войдите, чтобы посмотреть URL] В видео, продолжительностью 2,5-3 минуты необходимо рассказать об устройстве, показать его внешне, принцип его работ...

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    Reference design for bluetooth and sensors based device 6 дней(-я) left
    ПОДТВЕРЖДЕН

    This is a hobby project. I need to get reference design and prototype developed for a device that has Bluetooth and, if possible, other radios (wi-fi, cellular) along with a mesh of sensors (weight, temperature, sound, motion) that is very thin and can be woven into a fabric of different sizes (3x3 inch, 6x6 inch or 9x9 inch). The device should be battery powered

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    Соглашение о неразглашении
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    6axis cnc controller 6 дней(-я) left

    need FPGA based 6 axis cnc controller, firmware and hardware circuit

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    1 ставки

    I'd like to develop PCB board using altium designer. I have the block diagram for device I am gonna develop. Candidate MUST have professional skills and experience in circuit design, PCB design and firmware programming.

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    Trophy icon Design 5 styles of Solar Roof with BOM 2 дней(-я) left

    I need to create a winning design of what I call solar roof. The roof of a school classroom block is destroyed and I want to give them an upgraded roof that does two thing: A. Work as the roof of the building B. Generate electricity for the building. Deliverables: Solar Roof design with harness, bill of material for the solar components (panels, cables, controllers, battery bank, change over swi...

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    Build E-Commerce Website through Elementor 1-1-1/2 hour Skype call to go discovery phase of company - direct to consumer battery company in Marine industry 15-20 Pages Overall Install Google Analytics, Yoast, AppSumo Essential AddOns - To cover cost Use a custom Google font at no additional cost Hosting to be by GreenGeeks or InMotion Setup 5-6 email addresses for Endurance Team Setup Blog ...

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    Programa Arduino 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Need a arduino mini software with SIM900L (Yoigo) and PIR sensor, send email of alarm and battery status low.

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    Webscaping Project 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I am interested in hiring someone to create a web scraping application. The application should scrape fighter data from theses websites: [войдите, чтобы посмотреть URL], [войдите, чтобы посмотреть URL], [войдите, чтобы посмотреть URL], [войдите, чтобы посмотреть URL] and [войдите, чтобы посмотреть URL] The data fighter statistics for upcoming events should be downloaded into Excel for main and pre...

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    Require EXPERIENCED Content Writer for 1 Year Duration 6 дней(-я) left
    ПОДТВЕРЖДЕН

    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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    You need to create a poster for pre-order sale for our products. It should tell the audience that it's a new and enhanced product. highlighting the new screen and the extra battery option and it will be for $849 only instead of $1,200. Deliveries will be mid-August. Limited time and limited quantities. Instagram sized artworks, Facebook Cover Photo sized artworks and for our website.

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    This is a simple gps device with a gsm module to transfer data using 2G/3G internet. Device will connect to the vehicle through ODB port to get power supply as well as read odb data. Block diagram will be provided on request. Terms : 1. Delivery required in 3 days. 2. Once delivered, we will create a poc circuit - on confirmation remaining/final payout will be made. 3. The microcontroller shou...

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    circuit design 6 дней(-я) left

    I want to charge 3 18650 lithium ion cells in parallel from a usb port. I want to power my project from either the internal batteries or an external power bank. I want to be able to charge the batteries while at the same time powering my project. I would like to track charge level, current draw and time remaining. The project will average 600 mA with surges up to 4A. The circuit shall pr...

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    Signal Circuit 5 дней(-я) left

    I am looking for an Electrical engineer who can design circuits to transmit signals over A/C wires. Prefer to work with someone in the DFW area, but other area OK.

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    3d printing protoype needed 5 дней(-я) left

    APPLY WITH YOUR CAD MODEL AND WILL HIRE YOU FOR PRINTING FREELANCER WHO SUBMIT THE BEST DESIGN WILL GET MORE PROJECTS need a new stylish power bank case design, need space for 4nos of 18650 cells, and electronics a slim design two USB output ports one charging port (provide 5 mm hole) power button material: PLA /ABS MUST DO FINISHING AND PAINTING TO GET THE SHINY LOOK the design should ...

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    From the circuit schematic file attached create: * an Eagle schematic file * an Eagle board file (no copper pour) Components: CIN, COUT - 220uF/50V 10*10.5mm SMD C1, C2 - 0805 Footprint L1 - SLF12575T-470M2R7-PF 2K7 - 1206 Footprint 49K9 - 1206 Footprint D1 - SS54 XL6019 - XL6009 (datasheet attached) The files must be compatible with Eagle version 9.3.

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    Hi We're running several internet projects (which are going quite well, one service has 1m users, and another one has close to 300k websites using it) and are looking for a skilled PHP developer to add to our dynamic team. Tasks will include: - Implementation of various modules for our SaaS services - API integrations (and creations of our own APIs) - Further development of our WordPress...

    PHP
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    Hi, I need to emulate a crystal oscillator circuit (attached) based on wave digital filter (WDF). Basically we aim to have WDF emulation that match a Spice simulation (e.g. in Cadence). I Already have the circuit simulated in Cadence (the output attached) . Attached, my circuit (Crystal Oscillator) schematic that needs to be mapped to WDF along with its output waveform, you will notice that there ...

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    digital circuit 5 дней(-я) left

    Digital circuit questions about: - Testing logic circuit - Synhronous sequential circuit - ASynhronous sequential circuit - Arthmetic circuit

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    Hi, I have a small diy camera module which I want to remotely turn it ON and OFF (see pics). The camera is powered with 3.7V battery. I have limited space so whatever I have to solder to the camera or add to my project should be with the size not thicker than 4mm with length and width of 27mm. I am looking for someone who can tell me what kind of parts I need and how to wire them to my camera. I ...

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    Hi, we are looking for Mac OS GUI based Application to build Android App Automation tool with adb libraries Android SDK. we want to read the app info, measure the CPU performance during screen transition,Memory Usage, drop down list of android command tools like adb, Network information and Battery consumption while using the App and port that info into the GUI Tool. (Device connected to system vi...

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    Create animation for my lecture 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Hi, i have a set of circuit analysis problems . I have all these on papers. Some one who can convert these problems into interactive animated videos would be helpful. Only ping me if you can complete the task with a maximum deadline of 15 days

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    Pic Micro-Controller Programmer for Making a Timer Based Circuit 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Hi, My IC is Pic16f676. See My Attached Picture for Details.

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    I’m looking for an experienced electrical engineer who can help me with demands daily activities in different electrical engineering, PCB design and microcontroller tasks. The preferred candidate is for an engineer who has experience with STM32. Following are a few tasks that I am working on and probably I will ask for consultation and circuit design: - Amplification of piezoelectric signal...

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    circuit designing 3 дней(-я) left

    creating an circuit using information based on basic and operational amplifier

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    mini bluetooth microphone 3 дней(-я) left

    I am looking to have a small mini microphone built with bluetooth capabilities powered by a lithium ion battery. I would like one built along with a full build order.

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    Load Calcs for WP 3 дней(-я) left

    I'm a General Contractor for a condo association (and owner of one of the homes here). We'll be putting in a EV charging station. The first obstacle is that our Dept of Water and Power needs to see load calculations. Our building was built in 1990 and we have a blank meter spot. We have a 600 amp master breaker with 17 meters—14—60 amp, and 3—70 amp. An easy to work w...

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    I am looking for someone to design a simple high side PWM circuit. This will be running at 12-15vdc and could theoretically have a load of 15A max. It can't be low side because the negative terminal of my PWM controlled device is grounded to the frame. I prefer Kicad, or Fritzing as those two are easiest for me to customize my board layout in. If you can make the circuit entirely using digike...

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    Trophy icon 3D Street view mock up needed Завершено left

    Looking to create a 3D mock-up of how an Electric Car Charging Point would look on the street. I have attached photos of the type of charging point wanted in the mockup. I have also attached the basic layout that we are looking for, there are 2 types (for layout 1, the screen is single-sided and should only face the footpath. For layout 2, the screen is on double-sided). And I have attached a Go...

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    Solar LiPo Charger board 3 дней(-я) left
    ПОДТВЕРЖДЕН

    Wanted is design, schematics, PCB layout and working prototype of a solar LiPO charger board. Documentation of all used parts as well as schematics and layout has to be delivered along the gerber files, a BOM list and a working prototype. The specs are as follows: Minimum requirements: - 1V .. 3V input from a photovoltaic cell - charging of a single cell LiPO battery 150mAh .. 500mAh capacity -...

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    pcb arduino nano pinout 3 дней(-я) left
    ПОДТВЕРЖДЕН

    make arduino nano pinout gerbers, with atmega328p-pu, it has to adapt the arduino standalone including crystal circuit, reset push button, led, and 7805 regulator, input voltage with pads. match the analog digital pins to pinout

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    3KV Inverter design. 3 дней(-я) left

    Hi,freelancers! I need 3KV Inverter be able to use the multi-port for 1kv Solar panel , Wind generator , Diesel generator , Battery charge. If this project interest , prepare of experience project this ago. Once , if I am hired any excellent freelancer , I will discuss more kindly and provide of attachment. Thanks for your attention.

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    Website Revamping 2 дней(-я) left

    Website re-design (urgent) – English Job category: web design Description: We are looking for a web designer who is proficient in both English (and maybe add Chinese later). The designer needs to re-design the official website completely with 6 page tabs below, (details to be provided in our layout plan later) 1. About us (company info and milestones, mission/vision etc.) 2. Management t...

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    Research Paper on EV (electric vehicle) charging stations globally o Where o Who is the network owner o Size of the network o Specifications if available max 2000 words

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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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    Bluetooth hardware development. 2 дней(-я) left
    ПОДТВЕРЖДЕН

    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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    Hi, we are looking for Mac OS GUI based Application to build Android/iOS App Automation tool with adb libraries & xCODE instruments. we want to read the app info, measure the performance during screen transition and Battery consumption while using the App and port that info into the GUI Tool. Device connected to system via USB which is fine. Please submit your proposal with simple doc how yo...

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    Wanted Pedal trike tricycle for cross country battery powered too. Design , fabricate and deliver prototype. Should be near Delhi, Punjab or within india.

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    6 ставки

    Hi, I need a developer who can help me to install SSL certificate for my website. The domain and the SSL provider is: Namecheap the Server type is: Amazon EC2 server Please let me know if you are interested and what would be you charging for the service.

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    Interactive digram 1 день left

    It is an interacitve "non ribbon chord diagram" Using whatever tools that produce the digram for presentation use (not published project) + it could be modified easly in the future. The best example: [войдите, чтобы посмотреть URL]

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    Build me a circuit 1 день left
    ПОДТВЕРЖДЕН

    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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    PCB 6S 18650 Protection Circuit Board 1 день left
    ПОДТВЕРЖДЕН

    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 [войдите, чтобы посмотреть 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. [войдите, чтоб...

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