Smps battery charger circuits trabalhos

Filtro

Minhas pesquisas recentes
Filtrar por:
Orçamento
para
para
para
Tipo
Habilidades
Idiomas
    Estado do Trabalho
    16,001 smps battery charger circuits 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...

    $500 (Avg Bid)
    $500 Média
    3 ofertas

    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...

    $2000 (Avg Bid)
    $2000 Média
    1 ofertas
    Desenho logo Encerrado left

    Preciso de uma logo/desenho/charger

    $12 (Avg Bid)
    $12 Média
    22 ofertas

    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...

    $87 (Avg Bid)
    $87 Média
    8 ofertas

    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...

    $6 - $17
    $6 - $17
    0 ofertas

    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...

    $13 (Avg Bid)
    $13 Média
    1 ofertas

    Necessito de engenheiro electrotécnico que saiba programar em Labview, para realizar umas pequenas modificações no software de avaliação CN0288 da Analog Devices. Ver o seguinte link: [fazer login para ver a URL] A aplicação e as sources encontram-se em: ftp://[fazer login para ver a URL] As modificações passam por poder alter...

    $49 / hr (Avg Bid)
    $49 / hr Média
    2 ofertas
    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 ...

    $2351 (Avg Bid)
    $2351 Média
    10 ofertas

    Desenvolver uma SMPS para ser usada em um inversor.

    $316 (Avg Bid)
    $316 Média
    2 ofertas

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

    $71 (Avg Bid)
    $71 Média
    13 ofertas

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

    $10 / hr (Avg Bid)
    $10 / hr Média
    1 ofertas
    SMPS Power supply Design 6 dias left
    VERIFICADO

    Need to get 10W & 20W power supply for LED Load. Need Aux voltage output also. Non Isolated, Buck converter. Please see attached file.

    $318 (Avg Bid)
    $318 Média
    10 ofertas
    Renewable Energy Assignment 6 dias left
    VERIFICADO

    Question 1 A solar cell has the following characteristics; Io =1x10-10 amp, IL = 0.5 amp, ideality factor is one. a. Calculate the produced current from the cell at 320 K. b. Calculate the open circuit voltage from the cell. Question 2 A solar cell has an open circuit voltage of 0.54 volts; estimate its fill factor at 310K Question 3 Consider 10 by 10 cm solar cell in a 900 W/m2 solar radiation....

    $25 (Avg Bid)
    $25 Média
    6 ofertas

    Require Experts in power electronics who can evaluate existing PCB/Hardware to find issues like the mixed voltage, missed signals, EMC, EMI issues, Earthing issues, etc., and make necessary changes in the system to achieve desired results. The system is designed to be used under Industrial Environment with High Voltage cables going around near the system. The selected freelancer will be provided ...

    $355 (Avg Bid)
    $355 Média
    8 ofertas
    Break Fix - WO-013796786 6 dias left
    VERIFICADO

    - Case ID - 5065480715 - WO Description - ENUR/IN/ONS-WP/NCD/HP Pavilion Notebook 15-bc513TX/WIN10/Hardware Issues/Power Adapter/AC Adapter Not Charging The Battery - Product Description - 7PL77PA-5CD9323MSR-HP Pavilion 15-bc513tx - Asset Serial - 5CD9323MSR - Company Name - RAJESH T N - Customer Name - RAJESH T N - Customer Address - Bangalore 560068 - Part Description - GNRC-150W ADPTR PFC SM...

    $8 (Avg Bid)
    Local
    $8 Média
    1 ofertas

    SEO article for the website blog.

    $89 (Avg Bid)
    $89 Média
    36 ofertas

    hello, i need consistent artwork for the categories on my website. The artwork can be cut outs using existing products or it can be generic drawings. the color theme will be the same as freelancer.com (white, blue, and black). The categories are: eliquid, tanks & coils, devices, hookah, vaporizers, glass & pipes, smoke shop, rolling (cigarillos, rolling paper, rolling trays, rolling acce...

    $23 (Avg Bid)
    $23 Média
    18 ofertas
    Data logger 5 dias left

    Battery operated dataloger for RH AND TEMP

    $341 (Avg Bid)
    $341 Média
    2 ofertas
    Schematic and PCB Design 5 dias left
    VERIFICADO

    The Project consists of Schematics and Printed Circuit Board design. The Freelancer should draw two PCBs as layed out in this document. On PCB-01 have to be implemented - Battery Management System (rudimentary) - 12VDC to 5VDC Converter (CE compliant) - SBC Shutdown Chip (ATTiny85) On PCB-02 has to be implemented - Active Powered 4 Port USB-HUB 2.0 They have to be EU/CE compliant. The devices...

    $1285 (Avg Bid)
    $1285 Média
    36 ofertas

    INTRODUCTION The work consists in creating 3 basic programming examples to build a BLE mesh network, which will use 3 types of BLE devices: a. BLE server: battery powered device that sends data periodically. b. BLE node: Mains-powered device that retransmits data from BLE servers and other nodes, and broadcasts its own data. c. BLE client: Mains-powered device that receives data sent by the BLE ...

    $1770 (Avg Bid)
    $1770 Média
    8 ofertas

    Graduate student is Indonesian is doing her MA thesis. She wants to get responses to her survey from Indonesian residents. We would like to promote it on Facebook. Other SMPs are ok too. It's a 15 question survey, and it has four demograpahic questions (gender, age, location, income). It takes approximately 1 -2 minutes to complete. We hope to have 1,000 repsonses.

    $88 (Avg Bid)
    $88 Média
    7 ofertas

    We are a travel agency, we need a complete new website with these features: - Web design. Creation of the graphic part. - Responsive web layout. (For perfect viewing on all devices such as cell phones, tablets or pcs) - Circuits and Trips Engine (own product loading system). - Activities Engine (own product loading system) - Languages: English - Currencies: Euro ...

    $5354 (Avg Bid)
    $5354 Média
    44 ofertas

    I am looking for an Electronics engineer, who could help me build build a small LED buld circuit run by CR2 battery (3V). I want to know where can I source 100's of raw materials as well. It is a small project.

    $19 (Avg Bid)
    $19 Média
    11 ofertas

    PCB Designing for Solar Charge Controller 1. Solar Charge Controller for Solar Lamp Input voltage: 6V Output (CV, CC): 3 - 3.2V, 0.5A max (Output current can be adjusted by changing resistor value) Battery: 3.7V Operation: Dusk to Dawn Overcharge Protection: 4.25V Over-Discharge Protection: 2.8V • Protection: With over-charge and over-discharge • Charging during the day and illuminat...

    $32 (Avg Bid)
    $32 Média
    8 ofertas

    Dear coders, I would like to make a project that is based on Arduino - vehicle GPS tracking system. What do I need? * Schematics * Working arduino code *Components list Working principle I send the SMS to tracker's number(for example "location") and it sends back the exact location of the tracker with google maps link. If it is possible, I would like to get project that is ...

    $204 (Avg Bid)
    $204 Média
    24 ofertas

    we make SCR FCBC needed Servcie Person to attend the problem,also knowledegebale inmaking AC TO DC cxurrent to charges the VRLA Batteries,

    $192 (Avg Bid)
    $192 Média
    7 ofertas

    We are developing a prototype of a consumer device. For it, we planned to use ESP32 and need to make prototype board for it. The board must be the standard Arduino Uno size, so the result PCB will be like WeMos D1-R32 board. Standard Arduino connector for mounting Arduino shileds like TFT LCD panel ESP32 module CH340 (or FT232) One OP amp (TLC272) One Multiplexer (74LV4051) One Low-gain Amplifier...

    $132 (Avg Bid)
    $132 Média
    27 ofertas

    Our business is develop process to reduce fuel consumption and contamination in fleets. We need to write software for new hardware with Linux kernel 4.1.15, our need is to provide this hardware with intelligence that allows reading GPS data from the vehicle where the hardware is installed, reading the PGNs and decoding SPNs, processing RS232 communications, detecting digital input signals, sen...

    $623 (Avg Bid)
    $623 Média
    4 ofertas

    Looking to have a JSON file that will be supplied via an API daily which displays Vehicle Data for cars to be built as a section on my clients current website (which is built in WordPress). The file contains a large number of fields for each car from battery charging through to fuel data. Ideally I would want the cars to be able to be viewed like on the attached image 1and then if possible for a...

    $717 (Avg Bid)
    $717 Média
    49 ofertas

    Details: Must show the placement for battery and motor ( and need to do simulation)

    $119 (Avg Bid)
    $119 Média
    25 ofertas

    I have designed a musical instrument which needs to be kept to an internal temperature of about 36 degrees celsius, over a period of a few hours. It may be possible to connect it to the mains at various points throughout this time as well.

    $223 (Avg Bid)
    $223 Média
    9 ofertas
    Break Fix - WO-013895411 2 dias left
    VERIFICADO

    - Case ID - 5065815781 - WO Description - 5065815781/ Battery issue - Product Description - 8QG90PA-5CD0030074-HP Pavilion Laptop 14-ce3006TU - Asset Serial - 5CD0030074 - Company Name - CHANDRASHEKAR CHANDRASHEKAR - Customer Name - CHANDRASHEKAR - Customer Address - Bangalore 560082 - Part Description - ASSY-BATT 3C 41W 3.6A LI HT03041XL-PR+PL - Part Number - L11119-855 - SO Number - 0643104...

    $8 - $8
    Local
    $8 - $8
    0 ofertas

    I need help with Timing of clock signals in digital circuits in VHDL. I will share more details in chat.

    $60 (Avg Bid)
    $60 Média
    8 ofertas

    What we seek is that a small gadget, I will provide sizes later on, which has an ultrasonic sensor and checks the liquid level of a tank and sends the data by connecting to the internet via Wi-Fi to a specific web server. The project comprises 2 parts. 1st part is electronic component selection, schematic design, and simple layout. -----There should be one button for on/off and Bluetooth synchron...

    $531 (Avg Bid)
    $531 Média
    34 ofertas

    Hi there I am looking for a ghostwriter to produce standard-sized information for marketing, blog or web page. I need a writer to take general information I will generally source and turn it in to clear concise words that we can use as our own. I have approximately 10 articles I would like written with the battery job being the biggest For the most I am looking for one page summaries with bulle...

    $9 / hr (Avg Bid)
    $9 / hr Média
    15 ofertas

    Design a cold plate with Hand calculations for a given battery pack

    $179 (Avg Bid)
    $179 Média
    10 ofertas
    $23 Média
    6 ofertas

    I am interested in a freelancer who is Electronic engineer and knows how to produce analysis and design for electronic circuits(such as amplifiers and others). If you are the right person please email and I provide further information.

    $149 (Avg Bid)
    $149 Média
    20 ofertas

    I'm a textile artist which fuses fashion and art. I'm currently finishing a big installation where I have two child size mannequins covered in denim with moving heads. The device that I had made was make shift a friend of mine took two fan motors and placed it inside of the neck area of each mannequin so they rotate from side to side using the panel board with the plug connected to it. T...

    $857 (Avg Bid)
    Local
    $857 Média
    9 ofertas

    Looking to find someone that has a big experience in Radio Microwave communication systems. Looking for someone that has done any sort of simulation of transmitter and receiver circuits. Please only respond if you have this experience

    $144 (Avg Bid)
    $144 Média
    5 ofertas

    Project will require modification of a design of a microcontroller device based on ESP32 chip. It will be a universal IoT/automation programmable platform that is compatible with Arduino SDK and standard libraries. It will have several input/output types and should be fit into a standard DIN rail mountable enclosure. What we currently have is a Logical diagram (with a different microcontroller) o...

    $2349 (Avg Bid)
    $2349 Média
    39 ofertas
    Corporate Logo 23 horas left

    New logo for a newly established company Company name: NGX LTD Presentation of three option with one to be selected and provided in various formats (ie PNG, JPEG & EPS) Sector: - Graphite - Battery - Energy - Clean - Environmentally friendly - Technology Style: - Clean - Bold Company Colours: Green (R:140, G: 200 & B: 80) Orange (R: 240, G: 120 & B: 50) Grey (R: 90, G: 90 &...

    $221 (Avg Bid)
    $221 Média
    41 ofertas

    We currently have a designed PCB / schematic but need some changes and features added. All design has been done in kicad and project files will be provided for you to work with. Project is based around the ESP32-WROOM-32 module and is quite basic. Changes required are: - Change from USB Micro to USB-C connector (Power Only) - Add power on button With following functions --- Device should be off ...

    $141 (Avg Bid)
    $141 Média
    25 ofertas

    Please make the following modifications in the open software / hardware on the link: ***the project must be original not a copy of the one in the link [fazer login para ver a URL] Use object detection models to build an robot that can identify fire spots and use a fire extinhisher at them using a motorized fire extinguisher mounted on the AWS DeepRacer. The robot can be used as a unit or in swa...

    $250 - $750
    Secreto ADC
    $250 - $750
    3 ofertas

    We are IoT service provider in India who work on commercial projects with consumer brands and institutions We are building a speaker which has the following hardware: - Pro mini - SIM800 - Battery and Charging - 3W speaker all of them connected together through wires We require codebase (pro mini + SIM800 combined) which: - Can switch between BLE and GPRS of SIM800 - Connect to cloud via mqtt ov...

    $97 (Avg Bid)
    $97 Média
    5 ofertas
    Electrical vehicle Encerrado left

    Electrical car battery simulation on matlab simulink which will be charging by a solar panel

    $179 (Avg Bid)
    $179 Média
    17 ofertas
    semiconductor Device Encerrado left

    Topics • Review of linear circuit theory • Physics of semiconductor devices • 2-terminal non-linear devices, and circuits • Operational Amplifiers • 3-terminal devices, and circuits review the basics of dc circuits • dc circuits with a single non-linear device • properties of semiconductors • properties of ideal diodes • properties of semic...

    $15 / hr (Avg Bid)
    $15 / hr Média
    6 ofertas