Battery switchover circuit trabalhos

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    21,947 battery switchover circuit trabalhos encontrados, preços em USD

    O objetivo principal é apresentar quais sistemas de armazenamento de energia elétrica com base em baterias Battery Based Energy Storage Systems (BESS). buscando o estado Arte como forma de comparar o que se tem disponível no mercando nacional e internacional. Colher informações sobre de que forma as alternativas de acumulares energia em blocos, com uso de bateria...

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    3 ofertas

    olá, o projeto de arduino é criar um sensor que detecte que o suporte da caixa das Twinbin foi aberto, enviando para o email as informações relativamente a caixa, como por exemplo a quantidade a repor e a sua localização, a essa informação só era transmitida após 2 minutos depois de aberto o circuito. Além da programa&cce...

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    Development in PhoneGap We have a delivery control application we need to improve to make it work offline and also improve the issue of displacement control (GPS) such as speed control and other improvements We need the following points: 1) Make the application work offline 2) Improve GPS shift control (speed, vehicle position with better accuracy) 3) Each driver receives several deliveries du...

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    o projeto é para fins estudantis. Quero um programa que controle quatro motores de passo, os 4 motores tem que levantar juntos 20kg no total. Os motores tem que gira 360° para frente e para trás. Eles serão controlados por controle remoto a rádio. Gostaria de saber qual os componentes que ira usar no projeto, qual a voltagem da fonte para usa-lo, e uma bateria q...

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    Aluguel - 2 rodas equilíbrio inteligente Scooter elétrico Hoverboard Skate motorizado de pé Skate Ho Alta qualidade duplas duas rodas auto balanceamento mini-scooter elétrico inteligente sistemas de balanceamento duplo mantê-lo em equilíbrio protecção de segurança: inclinando proteção, proteção de limite...

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    Possuo um laptop "Razer Blade" e preciso de uma bateria para substituir a original que foi danificada (a bateria não tem como ser reparada, precisa realmente ser trocada). Segue as especificações: NOTEBOOK - Razer Blade @ 2013 -Model No.: RZ09-0102 -Rated 19V === 7.9A -Product No.: 01021101 BATERIA - Li-ion Battery Voltage: DC 11.1V Capacity 6400mAh watt-ho...

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    Projetar um produto Encerrado left

    Carregador para Celular/tablet com comunicação Bluetooth Dispositivo carregador fixo ent 110~220V Saida 5VDC para dispositivos portateis com corrente controlada 1 a 2.5A com comunicação atraves de BT com o dispositivo. Dispositivo carregador Movel Bateria interna Saida 5VDC para dispositivos portateis com corrente controlada 1 a 2.5A com comunicação ...

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    Eu tenho trabalho contínuo relacionado ao nosso projeto anterior 2 circuits: shunt resistor and rechargeable battery to Arduino microcontroller'

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    13 ofertas

    Eu tenho trabalho contínuo relacionado ao nosso projeto anterior 2 circuits: shunt resistor and rechargeable battery to Arduino microcontroller'

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    1 ofertas
    build me a logo 6 dias left

    Hello, My name is Nikolay. I need a logo for my business. We do repair service for appliance circuit boards and fitness machine circuit boards. To fix the circuit boards we use a soldering iron to replace non working components. Business name: Core Tech Repairs abbreviation: CTR slogan: Ship It. Track It. Use It. I would like to include the business name, abbreviation, & slogan. Please ...

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    60 ofertas

    I'd like to develop a web app so that customers can design and order a custom vehicle from our website [fazer login para ver a URL] The app could resemble any of these examples: [fazer login para ver a URL] [fazer login para ver a URL] [fazer login para ver a URL]

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    I require a sheet metal solidworks file and a stp file for manufacturing. I am looking to have a vertical support modeled to accept my custom shelves. This vertical support will be screwed into wood studs on a wall in a home. I am also looking to use this support to house all wires/cables, so i will need enough room to be able to fit a laptop battery brick in the channel. 1. Can be secured into ...

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    14 ofertas

    Need to build a compact PCB layout. I will provide sensor layout for heart rate sensor. I need to have a compact design, which is very easy to do. I am planning to put it around the finger for the user. Battery+PCB+BLE+Sensor

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    Voltage gain amplifier design 6 dias left
    VERIFICADO

    I want to get an amplifier specified as below: Input: 76 KHz 3.3 V Output : 76 KHz, Voltage: programmable between 10 V and 200 V, max.2A I2C interface for gain setting You will design the schematic and provide LTSPICE simulation file to prove the circuit is working properly.

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    Hi, We have a requirement of PCB design for ESP WROOM 32 chip. The Esp32 design should be included with the SIM800C chip. We required all Pinouts as same in ESP WROOM 32 MCU Module along with TTL connection. Also, the input power should be 3.7V and a battery connector should be required. Most import this PCB should be compatible for Arduino. Kindly find the related documents.

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    The task is perform experiment using FoxBMS battery management system using Lithium ion battery. So first we have to power on the FoxBMS and then we can perdorm exeriment

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    Need Arduino nano based custom PCB with 8 to 32channel voltage reading to I2C output in single circuit process Read voltage of battery cells range between 8 to 32 and send voltage of each cell along with total voltage data using I2C. custom parts - voltage converter of 24v - 120v input to 5volt output for powering this circuit - connector for each battery cells voltage wire - USART port for chan...

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    Trophy icon Customise TagDiv WordPress theme 4 dias left

    I am looking for a developer to provide some CSS and one PHP customisation to a WordPress theme from a reputed developer (the theme is Newspaper 10 by TagDiv). The two main areas for consideration are the homepage and the single article pages. We have installed the theme on our test WordPress site and produced the attached mockups for what we seek to achieve, on top of the pre-built theme templ...

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    We want a Sensor based Controller Card for Automated Sanitizer Dispenser Machine, Card should be robust and economic too, We need Pump to start when Hands detected and dispense the Sanitizer, if Hands are in Sensor proximity range for longer time then Dispensing will cut-off automatically at preset duration which should be adjustable between 200ms to 15 Seconds using a potentiometer or preset, The...

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    Hi, I need the below information extracted from JustDial website. * List of Laptop Service Centers * City : Bangalore, Chennai, Hyderabad, Trivandrum, Mumbai * Details Needed -> Service Center Name -> Contact person Name - if provided -> Phone Number -> Address of the service center -> Service Center rating -> Email address - if provided -> Service Cente...

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    Re-Design for a vape pen battery product, logo already decided, attachment to be supplied with our current branding ideas. Include the product specifics and all details (to be confirmed) : Rapid Charge USB 280 mAh Product name is (to be confirmed) End result is to supply two versions, one with "Variable Voltage Battery" and "3 Vaping Modes" and the other "Double Press ...

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    I require a single sided circuit to be designed that outputs a 20khz - 45 khz frequency . this frequency must be adjustable and frequency should be visible on a display. output can be using a tweeter or ultrasonic transmitter. input should be battery operated for 6 hours and rechargeable via solar panel.

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    I am wanting a logo designed for a company "Shell Shock Battery Tins" I am looking for a logo that is a tough Turtle with an Army helmet on flexing his muscles.

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    I'm a solar developer and need a solid website built to offer my services. We are a business development firm in the solar/battery storage industry.

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    I want to build a tennis ball thrower that can customize to the return position, spin, angle, feed rate and speed. The tennis ball thrower should also have a camera on it, run on battery power and can be stationary (no movement needed). I have a software background so I can build the software components of the system but the final vision is to build a fully automated tennis coach, starting first ...

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    It is a medical device project for various Parmenter measurements.

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    I've been working on this for a while, even paid someone recently, and I'm still not happy with the results. I have a coffee roaster with a proportion valve for the gas, and a digital gas meter that outputs a 4-20mA signal. What I'm looking for is to have a hand held module (which I've already 3D printed) with the following features: -LCD Display (installed) and currently rea...

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    Hi the project will consist in to dismanteling a regular pc keyboard and weld 4 feet network wire to the keyboard circuit board for specify keys I will provide the keys I need to be on the diagram and any other info you may required.

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    I am looking for a power electronics expert who knows electrical and electronics circuit very deeply. Persons having only surface knowledge are not allowed to bid.

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    Logisim project 5 dias left

    In this project you will implement a modified hangman game machine with Logisim. For the game, the minimum requirements are as follows: 1. The word is taken as 64-bit input. 2. Each 8 bit refers to the ascii code of a character. Therefore, the word is 8 characters at most. For instance “hello” is represented as: 00000000 00000000 00000000 01101000 01100101 01101100 01101100 01101111 3....

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    EEG/ECG circuit design 5 dias left
    VERIFICADO

    build an EEG circuit, inbox me for more details

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    We are prototyping a simulator tool which requires the operation of several latching relays and indications to display the status of equipment. As part of the prototype we need help verifying a design for a simple 5x5 LED display symbol (like a plus sign) for one of the components we intend to use on the simulator to indicate status. We need someone with the relevant industrial design background t...

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    I need a freelancer who can make circuit design of 4 wheel vehicle running on battery and battery must be charged solar

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    We need someone that can modify / edit an existing solution in BPM 8.5.0.1 within the following conditions : Important: [fazer login para ver a URL] project is only for Bucharest / Romania on site and the activity is having place ONLY at the client office ( closed circuit ) and cannot be done remotely. [fazer login para ver a URL] one environment (production) is existing and the testing ca...

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    Someone who can build a card reader that can read track 1 track 2 and 3 and supports RFID and will also use a rechargable battery

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    Battery modeling 4 dias left
    VERIFICADO

    Calculating the state of heal of a battery in matlab

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    Hi we want to melt nickel chrome alloy so we want circuit design for induction melter that will acheive temp of 1300

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    Hello freelancers, Its needed to design a sensor node that its used to get the weight(as a bathroom weight scale up to 200kg), temperature/pressure/humidity and location then transmit the data via the Lora module. This HW shall run on battery, so overall its requires a low power consumption. The transmission range shall be up to 10KM(~6 miles). To complete the project its required to deliver HW...

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    Hi all, We are Indian Startup, who design circuit, firmware, pcb, andriod application. All in all, a fully functional commercial prototype. We are looking for dedicated and loyal bidder for our team. (The most common thing every startup look for in their initial days). So, what's the profit? 1. Feedback on your own profile. 2. If project work less or equal to 25k INR, you will get 2% of it. F...

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    Hello Ankit, I have a project to change some things in traccar platform, and in the app Android too , I want to change logo, some text in traccar UI, . And for mobile app , I want to send another information instead of status of battery, I want to send a value of variable white android will receive it via Bluetooth,( connected with other device RPi) , and show then the value of this variable that...

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    We plan to implement LoRa Gateway which will send and receive data from around 2000 nodes. We need software developer who will guide us, write code and help us in implementation from scratch to finish. LoRa Gateway will be RAK7246G LoRa Nodes will ESP32 TTGO Note that we have good knowledge to programming Python on Raspberry Pi and Arduino IDE on ESP32 but we have no knowledge of LoRa. Since L...

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    I need a 12v DC circuit board that will produce the following requirements When 12v DC input applied on the circuit, there will be an output 12v DC that will stay on only for 3 to 5 seconds and them it will turn off output voltage, and it will redo that everytime input 12v is turned on. The output 12v dc amperage will be for a small 5 leds lights such as used on truck/trailers markes

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    I want a skilled electronics engineer to design an amplifier circuit with transistors and design the PCB layout

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    Description: We are looking for an hardware designer to develop the charging circuit for a slim Wireless Qi powerbank. The discharge rate can be at 5W without fast charging support. Charging circuit requirement: - The design should accomodate battery protection circuit for Li-Ion polymer battery(3V cutoff, 4.2V max). - The design should accomodate automatic Li-Ion polymer battery charding when t...

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    Would like a web or PC application for android devices which test the core functionality ie ; speaker, test call, network locked, sound, wifi, bluetooth, camera, charging and battery.

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    I am looking to find an electrical engineer willing to work on an exciting new product development project and sharing their respective input and opinion with others to help shape the development of creating the first minimum viable product. I am looking to hire one electrical engineer, specifically with knowledge or experience in working with circuit boards and know how to source those items on ...

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    Hi, I am looking for someone to work out all the parts needed to power 2 one seat electrical go karts and to work out the circuit connections between them. It is 48V and 1000-1500W. We are also looking for designs for a solar charging port to be compatible. It also needs to have cooling for the battery.

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    The name for my business Is Gadget Geeks LLC, I want the logo to have two G's but I also want it to kinda look like a mother board circuit. As far as the colors I was thinking black And a bold blue color. But if you have any ideas I'm totally up for it, it's your design and I want you to have fun and be creative with it

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    Hello There! Please provide your commercial Quote in $US for the PMC scope of work for the below activities. The supervision scope for the Consultant Company requires project management and implementation by Construction Contractor in the energy sector covering development and rehabilitation of Afghanistan transmission, substation, and distribution projects. The installation scope by Construction ...

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