Battery switchover circuit trabalhos

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    24,810 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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    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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    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

    I am looking for an electronic timing circuit that will detect a phone line pick up (usually a ring voltage of 12v). Once a pick up is detected, the circuit will then start a timer that will trip a relay at the end of the timed period (which connects two points for a instant) then reset and wait again for the next phone line pick up. The timer on this board would be best if it was a variable timer...

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    Need a Logo for my business. About Business: My business replaces existing circuit breaker panels in the existing box and replaces it with new interior circuit breakers without taking out the existing back box. There is no need to destroy the wall.

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    Fix an ESP8266 (ESP8285) Circuit 6 dias left
    VERIFICADO

    I am trying to build the following: An ESP8285 is connected to a LiPo via an LDO (3.3V). A SHORT button press should latch power to the ESP8285/ESP8266. The problem is that the latch circuit is always on, even when the button is pressed. The circuit needs to fixed so that: 1) The short button press latches power to the ESP. (Power usage should then be 0) 2) GPIO16 or another GPIO, can unlatch...

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    help in implement selected logical circuit based on the its truth table and document the design, the logical expression, and the truth table within the logisim page

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    Grobotech Tag 6 dias left

    We would like to build a PCB that can house Bluetooth, battery and OLED. This device is capable of displaying a QR code on the OLED. BLE is used to notify the person when the device is near. No RFID and e-ink display has been changed to oled. Here is the reference.: [fazer login para ver a URL]

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    The scope is to charge and discharge a 1kW Lithium-ion battery using a signal from a Raspberry Pi relay. I have 5v relay that is connected by Raspberry pi. The relay switches on and on and off based on an external perimeter. The deliverables are: Schematics Bill of Materials 2hr video session on how to put this all together

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    i want to project non contact thermometer for people this project must include: arduino uno, oled screen (0.96 inch OLED ekran 128x64) infrared temperature sensor ( GY-906 -mlx90614), Memory Card (DS3231 RTC and 24C32 ), led buzzer module (low level trigger) power saving mode. *oled display must show measurements *If the sensor measures more than 38 degrees, the red LED will light up and th...

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    I need a 3D design of a ‘box’ that serves as a Electric Vehicle Charging Point. The result has to be screwed onto a metal pole that is about 1,5m high above the ground. We must be able to hang up the box with 2 or 3 shackles (photo enclosed) The box has to be provided (on the outside) with a • a socket (screwed onto the box. photo enclosed) • a charging cable for an EV ...

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    I have a circuit of vehicle tracking device and you need to check our Arduino code and analyze the circuit for optimal use. Also the pcb design of it will be implemented. Expert in Altium is preferable.

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    solidity smart contract file 5 dias left
    VERIFICADO

    I need a smart contract written so far i have a prototype that I have written but would like to speed up the process by outsourcing the work. Deliverables I need a smart contract written in solidity and delivered as a txt file with the following criteria: TOTAL SUPPLY - 2,971,215,073 NAME - Capstone Holdings TICKER - STONES DECIMALS 18 WHITELIST - Whitelist of addresses excluded from fee and rewa...

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    Hi Md Abu Sakib M., I noticed your profile and would like to offer you my project. We can discuss any details over chat. I would like a pcb design and layout for a vape that utilises a 3000mah battery USB/C for fast charging

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    Hi Md Abu Sakib M., I noticed your profile and would like to offer you my project. We can discuss any details over chat. I would like a pcb design and layout for a vape that utilises a 3000mah battery USB/C for fast charging

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    Basic electrical and electronic circuit concepts, circuit elements, and Kirchhoff’s laws Resistive circuits, node and mesh analysis, equivalent circuits, superposition principle Circuits Energy storage, capacitors, inductors, and circuits containing energy storage elements Analysis of circuits with (ideal) operational amplifier Circuits with switches, transient response, steady state re...

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    Hi, we are developing the 2nd generation of our indoor/outdoor sensor device, which contains a controller board. We're looking for someone to build the schematics and layouts for this board in Altium. We have a prototype board we made through Gumstix, but it needs some changes and we only have schematics for it at the module level, not for the whole board. We need the modules connected tog...

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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 norma...

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    Especialista en PostgreSQL Conocimientos de configuración en: • Alta Disponibilidad • Sistema de réplica • Streaming Replication Asynchronous • Hot standby para que los servidores standby permitan conexiones de sólo lectura • Failover de manera que cuando la base de datos principal caiga, una réplica se active inmediatamente y el servicio no se...

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    I want to simulate and test the behavior of different applicable scenarios of my choice. This simulation must be using NS3. This simulation contains wireless nodes with limited battery supply. These nodes must expand to cover the highest coverage area and communicate with each other and/or transmit a thermo-signal to the main SINK node.

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    Patricia Zapata 5 dias left
    VERIFICADO

    I need someone to file a Contempt of Court in Superior Court of Thomas County concerning an order of money in a divorce. Or the Southern Judicial Circuit. This is in Thomas County, GA I don't care what region the freelancer is from, just as long as they are familiar with the law in the region where this occured.

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    An App To Schedule whatsapp messages to selected contacts . 1. It should send message on scheduled time and date 2. It should have notify the user when the message was send. 3. UI should be plane and simple 4. App should work in background with minimum battery usage You can design the UI as per the requirement

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    Conceptually, we are considering automated design of approximate circuits given an exact netlist as a specification. Technically, we use open source design flows and would like to connect QFlow to a more recent open source process design kit (PDF) like the Skywater PDF from Google. And, the approximate circuit design will already be provided by me.

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    I have a circuit which needs to communicate to an external microprocessor.

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    About the task: I am working on a device which will act as a mouse for people with repetitive strain injury. At the moment I am using a BNO055 sensor with a ESP32 development board to control the mouse cursor. You can find the project code here. The goal of this request is to improve the project in a couple of ways, then create the necessary CAD design files, and BOM to be able to manufacture ...

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    Hi there, I am seeking help to build a device around ESP32WROOM to measure position and speed of a device that translates linearly. This device i seek to be compact and communicates to Android tablet via bluetooth. I wish to use as much off the shelf device with the correct accelerometer. Scope: Find correct off the shelf ESP32WROOM Design PCB to mount above with a charging circuit for a batt...

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    im looking for a pcb to be made to control 10 LED's with a simple blink function it needs to be powered by a button battery Cr2032 and mounted in a surface mounted battery holder, the switch needs to be a low profile tactile momentary switch. everything needs to be SMD and the 10 LED pads should be so i can ether mount an LED direct to the pad or solder a wire where required, also i need a ...

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    Full system wipe 5 dias left

    The end result should run without any bugs or malfunctions on Google pixel (4, 4a, 5g, 4 xl ,5) devices running the operating system GrapheneOS 11 and up. The APP must work from the Owner profile and multiple work profiles. Main features of the app Timer that the user sets HHHH-MM-SS the purpose of the timer is when it gets down to 0000-00-00 the device should activate a full system wipe. Timer...

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    I have a need for a custom exporter to read power usage data from my breaker box and insert into prometheus datastore. [fazer login para ver a URL] The data retrieval is easy, the breakerbox has unencrypted webpage where the data can be read in CSV format. There's no authentication, a simple curl will read the data. When I use the app, it basically goes and reads two different pages, first...

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    Trophy icon logo for martial arts gym 2 dias left

    Logo for a MMA gym. Words need to be clear in black and red colour. Logo needs to be similar to "manlybjj" logo I have attached. COMBAT CIRCUIT IS ALSO ATTACHED. THIS IS MY OTHER LOGO. Open to new ideas but ideally "MANLY-MMA" WITH A BELT AND MAYBE INCORPORATE THE WORDS "MARTIAL ARTS STUDIO" INTO THE LOGO. logo name is "MANLY-MMA"

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    Garantido
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    Hi, I want a PCB layout that logs power and sends data over bluetooth for 0-100v battery outputs.

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    The scope is to charge and discharge a 1kW Lithium-ion battery using a signal from a Raspberry Pi relay

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    7 ofertas

    I need a device based on wemos d1 mini V3, powered by 1S lipo battery capable of controlling a 3 volt motor and managed according to the number of revolutions thanks to an encoder. The system must interface via direct wifi with a tablet with app. Operating requirements: Battery status display on tablet, Motor speed management Rotation direction management, Programmable acceleration curves Limit sw...

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    I am trying to simulate a 3phase source at 400V AC RMS to an AC/DC converter that is a Vienna rectifier to improve the power factor and the DC link is connected to a DC-DC converter which is connected to a battery for charging. I need help in simulating this. If you have expertise in controlling converters and knowledge of Vienna rectifiers and EV charging please DM. We can talk about it from ther...

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    We are developing an IoT device to be used to control a drip irrigation system through an Android app. We already have app developers working on the app, but we are seeking for professional PCB designer to work on the circuit board. We will be using NodeMCU V3 as the microcontroller and so this will be imbedded in the board. The allocation for sensors will need to be provided for using connector ...

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    LoRaWan board 4 dias left

    I need a small LoRaWan board integrating the following components / features. The goal is to get a cheap but reliable component : - WLR089 or WLR089U0 with its antenna connector (for EU868) - sensors of Temperature and Humidity (in the "classical" ranges) - sensor of C02 or eCO2 (VOC would be a plus) (CCS811 for instance) - JST 1.25 to connect an external battery - Wires to...

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    Hello , we are in AGRICULTURE TOOLS BUSINESS - OUR FOUCS AREA IS SOLAR ZATKA MACHINE , SOLAR FENCING WIRE , INSULATOR , SOLAR PANEL , BATTERIES , AGRICULTURE BATTERY SPRAYERS AND ITS PARTS. We got inquiry from our various registered Portal , we need a person who can handle Lead and convert them into Customer. We work on commission + Incentive. To handle Inquiries we have CRM Software , with callin...

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    hi i need 125 RFID card reader circuit pic or stm32 based.. example rdm6300

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    Circuit design 4 dias left

    Please see my picture, also please let me know your experience with circuit design

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    Hello, Linear actuator module, internal battery, actuator driver, solar panel, control card should be selected from ready-made products and combined operation should be ensured.  Also, the phone interface needs to be create.  The actuator needs to be controlled remotely by phone. Indians and Pakistanis, please do not send offers. Best Regards

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    We are looking for a full-stack developer for one of our partner companies. Job Location: Gurugram (Currently WFH) Years of exp required - 1.5-4 years. Skills required: Experience in core front-end web technologies (JavaScript, HTML5, SCSS, CSS3) - Strong knowledge of web frameworks: Angular JS 6+, jQuery, bootstrap - Experience with common front-end development tools such as Babel, Webpack,...

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    The scope of the project involves the design and development of agriculture fertilizer spraying drones 1. Scope study and jet sprayer calculations 2. Frame Design and analysis 3. Battery design calculations 4. Prototyping support Need NDA signing before accepting the project, industrial experience is must

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    I want a fun poster design. A poster design with the theme of Circuit. I want the poster to have 6 text area. What I information I want to be included I will give later once I awarded you with the job

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