Battery charging circuit trabalhos

Filtro

Minhas pesquisas recentes
Filtrar por:
Orçamento
para
para
para
Tipo
Habilidades
Idiomas
    Estado do Trabalho
    24,858 battery charging circuit 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)
    $117 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...

    $8 - $23
    $8 - $23
    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...

    $18 (Avg Bid)
    Local
    $18 Média
    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)
    $2351 Média
    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)
    $12 / hr Média
    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)
    $171 Média
    4 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

    1- special machine learning coding for battery management1- special machine learning coding for battery management At least 2 years experience in ML background with batteries are preferable This will be big step forward for future in batteries

    $2216 (Avg Bid)
    $2216 Média
    6 ofertas

    *** OVERVIEW *** - 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. *** HOURS *** You must work *one hour* per day, five days (or nights) per we...

    $12 / hr (Avg Bid)
    $12 / hr Média
    7 ofertas

    I need a schematic and then converted to pcb layout file in easyEDA

    $17 (Avg Bid)
    $17 Média
    9 ofertas

    Help needed with finishing and laying out a fairly simple MOSFET-based RGB LED driver in the form factor of an Adafruit Feather shield. I'm using the Adafruit Feather M4 Express to prototype and this will be a shield that stacks on top. I already have a working circuit I just need to transfer to PCB in Feather shield form factor and basic review. The Eagle schematic is mostly finished and I ...

    $150 (Avg Bid)
    $150 Média
    18 ofertas

    I have to design a hybrid tri-renewable (pv,wind wave) battery storage system connected with off-grid AC load and DC load in matlab simulink. Also need the operation and control. I need simulation and thesis'

    $168 (Avg Bid)
    $168 Média
    12 ofertas

    I am also looking for a GOOD VRP 0.5 PROGRAMMER Full Details - when in jail serving a sentence, have something to do to lessen the penalty - When you are in the dp cell and there is already a miscreant doing rp cm a pm n da to do also even being in a different cell because of the other cell's speech there most of the time we have to wait to finish an rp to start another yet more boring it is ...

    $182 (Avg Bid)
    $182 Média
    11 ofertas
    PCB board design 5 dias left

    I want a circuit board design (all in one): - to charge 3 x 18650 lithium battery in series using power supply - voltage from these three batteries can be step up or step down (buck boost circuit) 5-35V - another circuit for 2 x NPN or 2 x PNP outputs

    $111 (Avg Bid)
    $111 Média
    26 ofertas

    1. System: Windows (10, Server 2016) 2. Task: Write a script: System automatically sends an email to designated account whenever the computer switches power supply from AC to battery or vice versa. 3. Reference: Script to make system automatically send an email when it boots: [fazer login para ver a URL]

    $35 (Avg Bid)
    $35 Média
    2 ofertas

    1. System: Windows (10, Server 2016) 2. Task: Write a script: System automatically sends an email to designated account whenever the computer switches power supply from AC to battery or vice versa. 3. Reference: Script to make system automatically send an email when it boots: [fazer login para ver a URL]

    $30 (Avg Bid)
    $30 Média
    4 ofertas

    Hoping we can add this 9/1 ceremony in, there are 63 images total to be retouched. Hoping we can still get the additional 10 in an artistic style, so a total of 73. Hoping you would feel okay about charging $55? If not please let us know what would be a fair amount.

    $55 (Avg Bid)
    $55 Média
    1 ofertas
    Trophy icon recreate existing Logo 27 dias left

    Hi, i have already a Logo the Design and Colours are good but it have not an professional Touch, example the Text Font is not professional the microscope is not good quality,the Circuit vector on the Body is not good quality..., i want to print it on T-Shirt clothes and in Front of my Shop so it need to be very Professional. The PSD file i uploaded as attachment here please check

    $60 (Avg Bid)
    Garantido
    $60
    23 inscrições

    Day Counter - Design a pcb with display and inbuilt battery. One button for Start/Reset The display should show 1 on start and the count should increase by 1 for every 24 hours. It has to stop at [fazer login para ver a URL] upon pressing Reset should start from 1 again. The battery should last for 2 years Dimensions : Length : 3 - 4cm Width : 1 - 1.5cm Smaller the better

    $123 (Avg Bid)
    $123 Média
    15 ofertas

    App with local database , use camera for read barcode of product and return new page with factory date and expiration date on drowing things like battery . So i need page for add product data.

    $115 (Avg Bid)
    $115 Média
    20 ofertas

    I am looking for some one who can help me designing below ->Low power - should be able to run on 20000 mah battery for a week. ->able to control 8*8relays (at least 32 relays) ->GSM/GPRS SIM 800l or similar ->battery charging based on solar panel -> battery level reading capability

    $498 (Avg Bid)
    $498 Média
    40 ofertas

    i want circuit of passive filter, input will be 220Volt AC + 12Volt DC and output should be only 12 Volt DC. and second one - input 220Volt AC + 12 Volt(1000Hz +10 KHz + 100KHz + 200KHz + 300Khz......1MHZ) and required output should be only 12 Volt (10KHz), needed with formula to change the circuit design according required output frequencies

    $19 (Avg Bid)
    $19 Média
    7 ofertas

    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 changes, that is, y...

    $43 (Avg Bid)
    $43 Média
    6 ofertas
    ROA-10 Digit Second Countdown 4 dias left
    VERIFICADO

    A 10 digit second countdown clock made with bright elements programmed in Arduino. Needs to be battery-operated connecte to a USB battery adapter for easy interchangeability and a backup battery for lifetime memory for countdown. Materials will be paid separately.

    $131 (Avg Bid)
    $131 Média
    14 ofertas

    I need a electric circuit volumen and pan for audio stereo whit potentiometer

    $41 (Avg Bid)
    $41 Média
    4 ofertas

    *** OVERVIEW *** - 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. *** HOURS *** You must work *one hour* per day, five days (or nights) per we...

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

    We are looking for a talented and driven hands on Electrical Engineer who will be part of creating an incredible cutting edge technology system. And will focus on the design, construction, and troubleshooting of compact and reliable embedded electrical systems . This includes electrical sub-system design, integration, PCB layout, and frequent hands-on work in lab building and debugging electrical ...

    $35 / hr (Avg Bid)
    $35 / hr Média
    28 ofertas

    I need someone who is familiar with electrical diagrams to make up an SLD for a 120/240 meter panel with a single 20 Amp breaker going to a nearby cabinet with one outlet. This project requires someone with electrical circuit design experience.

    $27 / hr (Avg Bid)
    $27 / hr Média
    8 ofertas

    The computer is electronic devices which take the input by user and give the output. COMPUTER GENERATIONS 1st _ TECHNOLOGY_ vaccum tube -2nd _ TECHNOLOGY_ transistor 3rd_ TECHNOLOGY_ I.c (integrated circuit) 4th TECHNOLOGY_ microprocessor 5th TECHNOLOGY _ A.I. (artificial intelligence)

    $175 (Avg Bid)
    $175 Média
    1 ofertas
    Circuit design with EMC 3 dias left
    VERIFICADO

    Hi, I am designing a pressure indicator with the accuracy better than 0.02% of FSR. Below is the attached circuit. Someone has to carefully check the complete circuit with selection of components. Need to alter the circuit with overvoltage, overcurrent, reverse battery protection, EMC, etc. Need to alter battery indication circuit with protection which is connected to PIN A0 of micrcontroller an...

    $15 (Avg Bid)
    $15 Média
    2 ofertas

    Modify the existing circuit board which was done in Altium designer (files attached) Todo's -add a aditional Gnd and 5V for the FAN -add mounting holes and a hole where the fan can blow through to the board underneath -move compomonents on existing design to make space for the fan The fan needs to be located in the top left corner ( see fan [fazer login para ver a URL] as a reference fr...

    $144 (Avg Bid)
    $144 Média
    17 ofertas

    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...

    $2741 (Avg Bid)
    $2741 Média
    12 ofertas

    *** As of 18 September 2019 this project is still available *** *** 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 ...

    $11 / hr (Avg Bid)
    $11 / hr Média
    46 ofertas
    Monitoring SpyApp for Android! 3 dias left
    VERIFICADO

    Needs to hire 3 Freelancers I'm looking for a serious programmer with experience in developing Android applications. I want to develop a Android Monitoring SpyApp. I would like to hear your proposals. Here is a example: [fazer login para ver a URL] The spy software application must be able to: Phone Call recording Phone Call Interception * Spycall * Environment recording Facebook Call Recor...

    $20 / hr (Avg Bid)
    $20 / hr Média
    36 ofertas

    I need a new website for my existing php website current website: [fazer login para ver a URL] i want one like this one: [fazer login para ver a URL] Requirements 1. I will not pay if i don't see a final demo from your server before you send me request you have to agree to this if not i won't hire. 2. Every image needs to be optimized for speed and google friendly 3. SEO cont...

    $1031 (Avg Bid)
    $1031 Média
    63 ofertas
    Traccar Expert Needed 3 dias left
    VERIFICADO

    Need the following: 1. Review our existing server settings 2. Enable to push data to our own servers (Battery voltag, GPS data) 3. Ensure Distance travelled calculation is right and in sync with actual data 4. Ensure Odometer reading and GPS readings are correct 5. Report of the fields per device per trip - Battery start voltage, battery end voltage, GPS start, GPS end, Distance travelled 6. Noti...

    $517 (Avg Bid)
    $517 Média
    6 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....

    $1184 (Avg Bid)
    Local
    $1184 Média
    4 ofertas

    I want a rear view camera for my track car that will constantly "live stream" the footage from a camera that is facing to the rear of the car to a display screen that is mounted in the cockpit - essentially being the tech equivalent of the conventional rear view camera. It needs to be a standalone system, simply plug it in to a 12V feed from the car's battery and it will work. I&...

    $665 (Avg Bid)
    $665 Média
    19 ofertas
    Logo Designer 3 dias left

    Need modern slick Logo for Valet company. Attached is sample. Services are charging cable, washing, parking.

    $50 (Avg Bid)
    $50 Média
    126 ofertas

    I need someone who can design an electronic card for me. You will be responsible for following: 1. Components Selection 2. Electronic Circuit Design 3. Testing and QA 4. PCB Design It is very small card that needs controlling of three relays and 2 flow sensors. It also includes wireless communication through Wifi and LCD display. Further details will be shared with selected freelancers. If you ...

    $205 (Avg Bid)
    $205 Média
    9 ofertas

    Type: Mylar Cone Output Power: 0.25 WRMS Impedance: 8 Ω Dimensions: 27(Dia) x 8(H) mm Your task is to design an interface between the Atmel ATmega168 microcontroller and this particular speaker in order to enable output of a set of musical tones/notes from C4 (middle C) through to B4 (C4, D4, E4, F4, G4, A4, and B4). The volume at which the tones play should be user adjustable (although note...

    $22 (Avg Bid)
    $22 Média
    2 ofertas

    Starting from design of circuit, components selection, PCB design and firmware development this project involve complete skill required for development. I will prefer developer with past experience in such projects. Those who are interested shall send the reference of project done on similar line. Experience in Smartphone design will be added advantage

    $2044 (Avg Bid)
    $2044 Média
    6 ofertas

    Hey, in course of an academic project I have to create an unearthed grid (IT-System) with one phased AC ina conductor loop of a series resonant circuit. Furthermore I have to add an insulation monitoring device (IMD) for checking the fault current against earth (PE) in case of an earth fault (1 Phase). I have to supervise and proof the following hypothesis: 1. Does a first fault in the circuit ...

    $473 (Avg Bid)
    $473 Média
    7 ofertas
    PCB Designer 2 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 ...

    $195 (Avg Bid)
    $195 Média
    11 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
    3 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)
    $182 Média
    2 ofertas