Battery charging circuit digram trabalhos

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    25,009 battery charging circuit digram trabalhos encontrados, preços em USD

    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...

    $750 (Avg Bid)
    $750 Média
    3 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...

    $117 (Avg Bid)
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    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...

    $8 - $23
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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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    Local
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    1 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)
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    10 ofertas
    Crie um Website -- 2 Encerrado left

    The application overview (web and mobile - iOS and Android) The main idea of this platform is to permit people to offer their services through it, and consumers to ask for products or selecting one of the products available on a given day. 1. Home Screen View brief input display while charging the system. Options: 1.1 Screen for new user registration, either supplier or consumer. 1....

    $12 / hr (Avg Bid)
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    6 ofertas

    Hello, My site is [fazer login para ver a URL] I have a news site in joomla 3.2 platform, and whenever we have more than 200 hits at the same time, the MySQL server is unavailable. I have a VPS plan at BlueHost enhanced with the following configuration: 4 Core CPU 8 GB RAM CentOS 6 When the site is running, the charging time is too high. The home page takes 20 seconds to load. ...

    $171 (Avg Bid)
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    Eu tenho trabalho contínuo relacionado ao nosso projeto anterior 2 circuits: shunt resistor and rechargeable battery to Arduino microcontroller'

    $71 (Avg Bid)
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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'

    $10 / hr (Avg Bid)
    $10 / hr Média
    1 ofertas
    PCB Designer 6 dias left

    PCB 1: to manage external input; HDMI, twice USB Type A 3.0, SD slot and twice USB type C. PCB 2 : to manage a powerbank, better if there is the chance to implement directly the power bank on the PCB. Each board will be installed in an enclosure, all the PCBs are powered by a single power bank in order to provide serially charge to all the PCB. The power bank will also provide battery to external ...

    $325 (Avg Bid)
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    4 ofertas

    PCB 1: to manage external input; HDMI, twice USB Type A 3.0, SD slot and twice USB type C. PCB 2 : to manage a powerbank, better if there is the chance to implement directly the power bank on the PCB. Each board will be installed in an enclosure, all the PCBs are powered by a single power bank in order to provide serially charge to all the PCB. The power bank will also provide battery to external ...

    $50 (Avg Bid)
    $50 Média
    2 ofertas

    *** OVERVIEW *** - Ten US dollars per hour. - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microcontroller. - You do *not* need any experience with... ESP32, microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, or circuit design. - If Freelancer.com prevents you from bidding on ...

    $11 / hr (Avg Bid)
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    45 ofertas

    I’ve been meaning to hack my blood pressure monitor for a while. So i need a test circuit that can be used as schema ([fazer login para ver a URL]) to successfully connect my BeagleBone Black between the MCU and the memory chip of that board. Using the datasheet as a reference I hooked up some thin wires to the bus. That’s SDA (data) and SCL (clock) [1]. I need a way to get that data ...

    $182 (Avg Bid)
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    2 ofertas

    I’ve been meaning to hack my blood pressure monitor for a while. So i need a test circuit that can be used as schema ([fazer login para ver a URL]) to successfully connect my BeagleBone Black between the MCU and the memory chip of that board. Using the datasheet as a reference I hooked up some thin wires to the bus. That’s SDA (data) and SCL (clock) [1]. I need a way to get that data ...

    $220 (Avg Bid)
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    2 ofertas

    I want to start dropshipping store in shopify, could you help me for setup my store, what is you charging this project. please let me know

    $52 (Avg Bid)
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    10 ofertas

    I’ve been meaning to hack my blood pressure monitor for a while. So i need a test circuit that can be used as schema ([fazer login para ver a URL]) to successfully connect my BeagleBone Black between the MCU and the memory chip of that board. Using the datasheet as a reference I hooked up some thin wires to the bus. That’s SDA (data) and SCL (clock) [1]. I need a way to get that data ...

    $21 (Avg Bid)
    $21 Média
    1 ofertas

    Thank you for viewing our project. We are Japanese electronic company and our main product is power bank and some other charging devices for phones. We come up with a concept of Phone Box that can lock up your phone for the certian time to avoid using it while studying or working something when you need to some concentration. The design A pictures attached from another company, and the ...

    $310 (Avg Bid)
    Destacado Garantido Secreto Concurso Principal
    $310
    4 inscrições
    Phone Box Locker Product Design 6 dias left
    VERIFICADO

    Thank you for viewing our project. We are Japanese electronic company and our main product is power bank and some other charging devices for phones. We come up with a concept of Phone Box that can lock up your phone for the certian time to avoid using it while studying or working something when you need to some concentration. The design A pictures attached from another company, and the design...

    $368 (Avg Bid)
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    53 ofertas
    design pcb 6 dias left

    Design PCB for Laird BL652 chip with temperature sensor (MLX90615) and rgb led (neopixel) and battery + charging cirquit (micro-usb) (and if possible also program the chip via usb). The sensor and led need to be on a seperate board, connected with small cable (+/- 60mm distance). Goal is to make a wearable for artistic/scientic research. First make 1-5 test PCB’s by your design, if everyth...

    $538 (Avg Bid)
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    23 ofertas
    Location service 6 dias left
    VERIFICADO

    Greetings, We are a company in software development but never worked with location services. So now we are making a application for our customer containing location service where every 40 seconds this service should be called and stay active till it reaches a accuarcy of <10 after that it should turn it off for 40 seconds and repeat. But the way we do it right now it stays active without d...

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    14 ofertas

    I have a product design which requires electronic circuit. I will provide the specific output and inputs i require from this device. It is a mix of networking device and charging device.

    $171 (Avg Bid)
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    16 ofertas

    Good afternoon! It is necessary to automate the process of creating communication schemes, currently implemented as follows: 1) An excel file is generated with the data of the object (address, version by, number of users, etc.) 2) Using Visio, I create a diagram, link the figures of the diagram with an excel file. 3) With some periodicity, the excel file is updated, often the number of objects ch...

    $41 (Avg Bid)
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    3 ofertas

    Good afternoon! It is necessary to automate the process of creating communication schemes, currently implemented as follows: 1) An excel file is generated with the data of the object (address, version by, number of users, etc.) 2) Using Visio, I create a diagram, link the figures of the diagram with an excel file. 3) With some periodicity, the excel file is updated, often the number of objects ch...

    $20 - $40
    $20 - $40
    0 ofertas
    android apk app 6 dias left

    Ios and android Application and build web site : web site project-spy phone 1- web site will need to be fully responsive website for you which is working on tablet, ipad, desktop etc. also is need to be same view and different design as [fazer login para ver a URL] on mobile plz see it on mobile .the web site need to be built on asp.net ... 2- Will provide me admin dashboard for this website ...

    $1177 (Avg Bid)
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    75 ofertas
    chrisscoleman 6 dias left

    1 Semiconductor fingerprint sensor 2 Intelligent update function of fingerprint information,Constantly learn and store user new fingerprint information. 3 Rated voltage:4-8 pcs batteries power supply Have a external power interface(DC-5V;Micro USB interface) 4 There are 1 buttons on the back of the door battery box:Initialization(Resume out of the factory)Key.

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    I'm seeking an experienced Architect who can design a home onto a 4.5 meter wide By 20 meter long, parcel of land, and produce realistic 3D renderings for visualization purposes only. Criteria of the home are: Parcel Size: 4.25 meters x 20 meters This is quite a narrow but long parcel. The goal of the design is to maximize the length of the parcel, emphasizing spaciousness in the most used...

    $585 (Avg Bid)
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    I have done many projects on after effects for my college club and willing to work for you. I will be charging less pay as i am college student. Thankyou!

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    1 ofertas

    I need two simple (!) Arduino C++ sketches; the first sketch is for an Arduino Mini Pro (Atmega 328P, 8 MHz, 3.3 V) connected to a Lora Hope RFM95W radio module (915 MHz) and with 3-wire capacitative water sensor connected to the Mini Pro A0 pin (+Vcc 3.3 V + GND). The sketch for the Mini Pro must sense once each day (to save battery) the presence of water at the connected water sensor and then se...

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    13 ofertas

    Build IOT device to monitor temperature and position. For the first prototype, use comercial board (like Arduino, Linkit One, ESP, etc) with - DS18B20 temperature sensor - GPS - GSM/3G to send data - WiFi (optional) - Battery Data will be send to our server, we could discuss best way and the periodic to send it (better battery life versus accuracy)

    $475 (Avg Bid)
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    44 ofertas

    I have a prototype of a heated massage tool. Right now its running on a vape battery. Takes about a couple hours to charge. Then when turned on it stays hot all day, oscillating from around 130-115 degrees. I am needing a high low switch put in. Maybe adding another battery to get the lower temp up. Im working with a mechanical engineer so just need someone to work with him on the electrical part.

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    20 ofertas

    during day it should charge from solar with first [fazer login para ver a URL] absence of solar it should charge from [fazer login para ver a URL] will be 12v dc 3a motor.

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    5 ofertas

    I need you to design a programable NMEA buffer PCB. It should be in 122mm x 110mm. PCB should receive RS-422 data and convert it to CMOS using transistors and opto couples and receivers. Outputs RS-422 data to multiple device. All input, output and power ports should be galvanic isolated from each other. Electrical connections should be according to NMEA standards(check "NMEA-0183 Information...

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    Accelerometer Based on ESP8266 and GY-521 module (MPU-6050) --> Measure acceleration on X,Y,Z - Configure full scale range (+- 2g,+- 4g,+- 8g,+- 16g) via MQTT command - Configure MPU-6050 filter via MQTT command - Select MPU-6050 Sample rate via MQTT command --> Stream Accelerometer data via MQTT to Mosquitto broker (current version) - Activate streaming on fulfillment of a condition...

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    16 ofertas
    ESP8266 Audio Player 5 dias left
    VERIFICADO

    ESP8266 Audio Interfacing Circuit Hardware Requirement:  ESP8266 controller (model 12F with 4 MB flash) dev board  8 ohm 0.5 Watt Speaker or 6.5 ohm 1W speaker to drive for mono audio file  Speaker interfacing circuit PCB to be developed (working with dev board via few jumper wires) PWM signal to be used and not I2S ....  Supply Voltage will be 3.7V from battery, no 5V will be available.. Soft...

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    7 ofertas

    My company is specified in battery charger, flashlight and batter. I want to hire someone to write six articles.

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    107 ofertas

    HI, I have a old MACbook pro. The hard disk of this is SATA. Recently the HD crashed and I have changed the HD. Now to load a new OS, I have lost the OS x DVD. When using Internet recovery, I get the attached message. Serial number of the MAC is in the attached image. I need a solution so I can use this MAC.I am OK with any OS, windows will be ideal, however any UBANTU or any GUI linux is OK, I ...

    $19 (Avg Bid)
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    4 ofertas

    I need this circuit to be drowned by EasyEDA program. Please make it looks like it has been drown as an actual (not necessary to be the same). I am uploading several pictures

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    6 ofertas

    We have developed 2 apps which are available on google play store and app store. We want to test it using testing software the following: - Functional testing . - Laboratory testing. - Performance testing - check the performance and behavior of the application under low battery, bad network coverage, low available memory, simultaneous access to the application’s server by several users and ...

    $405 (Avg Bid)
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    I am looking for someone with a great portfolio to create art for 45 ship modules in our Sci Fi Space Game. This is 2-D Art that will be displayed to show what the module is. For example one of the modules is called "Capacitor Battery" and it increases the capacitor capacity so we would need you to create artwork showing what that would look like. It might be a batter or some sort of en...

    $86 (Avg Bid)
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    15 ofertas

    We are starting a website on outdoor activity niche. Our brand name is 'Active Circuit' and our slogan is "Guides for an Active Lifestyle". We are aiming to build an authority site which will have a loyal audience who will trust us. Your job is to design a logo that suits our niche and goal. You have the freedom to design it however you want as long as it matches our brand ton...

    $20 (Avg Bid)
    Garantido
    $20
    77 inscrições

    I would like to have the complete database of all ebikes for sale in Europe. The source can be this site ([fazer login para ver a URL]) through the activity of scraping. Info: brand, model, characteristics (engine, battery, autonomy, price...)

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    Use case description system context

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    Bluetooth PCB board 4 dias left
    VERIFICADO

    YOU NEED TO SEND 3 Fully working prototypes, Schemetics, PCB layout , Bill of materials, using EagleCAD software. PRODUCTION COST should be AS LOW AS POSSIBLE , with low power consumption The Project is to Make Bluetooth device (20mmX30mm) with the following spec: Bluetooth device that takes 2 CONTROL variables 1- Renaming Bluetooth AT commands 2- Saving command characters in ROM Programmi...

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    Hi Freelancers, I’m looking for an individual to complete feasibility studies and HOMER simulations for solar island solar hybrid systems (battery+diesel gensets) from diesel generator data. This is a project by project contract and I am looking for someone who has a real talent for creating a reliable solution to either replace a % of diesel generator generation or create a feasibility ba...

    $15 / hr (Avg Bid)
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    I need an iPhone app. I would like it designed and built. The App is simple. It will be used to train emergency service providers on gas detection. Firstly the trainer app. The trainer will upload information onto the app that will then update on the students app on his phone. When using the app The screen will look like a standard gas detector. The trainer will choose what gases he wants to upl...

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    I need PCB layout for BMS with high voltage circuit of 12*50V. in addition there are some circuits for 3.3, 5, 12V. i want to separate each parts and design carefully based on high voltage and current. if i find a developer can be satisfied me, i will don't spare bonus.

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    I need a circuit that can take DC power (i.e. 30 volt) and turn it into 100 kHz positive and negative output (-30 and +30V pulses). The required H-Bridge needs to be designed, circuit protection added, frequency and duty cycle adjustability is a plus, components needs to be selected and Gerber file needs to be developed.

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    42 ofertas

    *** OVERVIEW *** - Ten US dollars per hour. - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microchip. - You do *not* need any experience with microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, circuit design, or Python. - If Freelancer.com prevents you from bidding on this pro...

    $10 - $10 / hr
    Local
    $10 - $10 / hr
    0 ofertas

    We are IT based Company Offering all IT solutions OBD Based solution Mobile and web application (Telematics Platform) considering two scenario Business to Business (B2B) & Business to consumer (B2C) with following mentioned features but not only limited to following: a. Arabic & English languages b. Adding new users/new account c. Current location d. Cell c...

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