12v battery charger circuitработы

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    25,464 12v battery charger circuit работ(-а,-ы) найдено, цены указаны в USD

    Предоставлю размеры тумбы на колесиках, с описанием расположенного внутри оборудования. Нужно получить - Реалистичное изображение с открытыми (видно оборудование внутри) и закрытыми дверцам. - Векторное схематичное изображение. Примеры приложил. Тумба на колесах 800 ширина 800 глубина 1400 высота Внутри три полки равной высоты. У верхней полки свои двустворчатые дверцы. У двух нижних полок &ndas...

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    Требуется написать программу управления лампами накаливания. Необходимо управление 3-5 лампами накаливания. При нажатии кнопки должна включаться соответствующая лампа. Через случайные промежутки времени от 0 до 1 минуты, лампа должна мигать случайное количество раз, со случайной интенсивностью и скоростью, после чего яркость лампы должна установиться на случайном уровне. При повторном нажатии той...

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    Съёмка рекламного ролика нового девайса Необходимо снять рекламный ролик устройства Примеры: [войдите, чтобы посмотреть URL] [войдите, чтобы посмотреть URL] [войдите, чтобы посмотреть URL] С другими примерами возможно ознакомиться здесь: [войдите, чтобы посмотреть URL] В видео, продолжительностью 2,5-3 минуты необходимо рассказать об устройстве, показать его внешне, принцип его работ...

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    want to develop and design compact ILR inline cold chane refrigerator system that should be compact and can use remotely for a minimum of 10 days with use on internal battery the temperature bar is - 30 to +8 degree Celsius and can store a minimum of 100 sets of the vaccine. only for Indian developers.

    $169 - $506
    $169 - $506
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    Project for Eslam O. -- 63152 9 дней(-я) left

    Hello Eslam, Thank you so much for your help! Ad phone Jordan EWE Ad website Jordna EWE EV charger - Nestle Edit photo Roll-up banner with YDE logo

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    Heated ski boots 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Headed ski boots are powered by two 1000 ma Lithium Ion batteries. The board to which they are connected turns the power on/off. The circuit has 3 levels of heat - low, medium and high. The circuit boards have blue tooth connectivity. Each board (boot) can be controlled by your iphone if you have the app. (See Thermic-HC in the iphone store for example of this app) These boards are already in ...

    $992 (Avg Bid)
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    Data capture for mobile app 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Hello We have a mobile app, used by consumers. We want to insert a functionality in the app, to be able to retrieve data from our users mobile phones. We will give users an option to share data with us or not. If users to share data with us, we want to collect this information: - The accelerometer, Bluetooth, GPS, light sensor, microphone, proximity sensor, and WiFi, call logs, short message se...

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    transfert de site Shopify à Prestashop 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Bonjour, Nous rechercher une personne qui peut se charger du transfert de Shopify vers Prestashop. Cordialement.

    $623 (Avg Bid)
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    I need an electronic circuit to measure the length of the open circuit cable. ( for YVV (NYY) cables) Measurement range 1-1000 mt. error rate no more than 0.5%

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    I need someone who can help me to solve the task based on Electric Circuit. My budget is 10AUD.

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    CE/UL Certification Documentation for Electronic Product 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I have a portable far infrared sauna. It will be powered by 110v and 220v for different regions of the world. There are 4 infrared panels in the portable sauna. We will also have a vacuum that vacuums out the air in the sauna and fills it with an air gas mixture. The users head will be out of the sauna. So the control box will 1) control the set temperature in the sauna 0 to 140F 2) control on/o...

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    Hi, I am seeking a talented individual who can help me transfer the knowledge and thoughts that I have in my head onto paper! I would like someone that is able to dedicate time to PAIR write this schematic, pcb and potentially help with firmware. The base hardware requirements are as follows: Atmega328p OR STM32 AS3932/AS3933 CC1101/SI4432 (or similar module) The remaininig pieces of hardware w...

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    Hexacopter PDB specs ( 6ESC motor) : - Input voltage - 6s ~ 12s max current - 60A BEC - 12V AND 5V 2 additional 6s interface for buck circuit

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    Dear Freelancers, I have a water pump machine which sucks water out of the ground. I would like to you design/develop/prototype a board which enables me to switch the machine off/on remotely using an App or a web dashboard. The water pump machine is operating with diesel and it has onboard battery. I am uploading few pictures of the water pump machine. Photo No.1 displays entire shape of the ...

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    No experience required — Arduino (C++) or ESP32 (MicroPython) 6 дней(-я) left
    ПОДТВЕРЖДЕН

    You do *not* need any experience. You do *not* need an Arduino. Also, you do *not* need an ESP32. If you are very intelligent and if you solve engineering problems scientifically then I will pay you to learn C/C++ on Arduino or MicroPython on ESP32. You will help me build a consumer IoT (Internet of things) product. Please read the section entitled, "HOW TO APPLY FOR THIS PROJECT&qu...

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    We have a PCB board we designed that we would like to add additional control logic to the board. We are looking for someone that has vast experience with taking a circuit board and adding the ability for us to send commands from a server to the board to control specific LEDs on the circuit board. We can code in python and C/C++. Our current board works fine for our application, but we need t...

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    Rotating base for a cooler 6 дней(-я) left

    Base is to be made to rotate between -60 to 60 degrees, automatically. Buttons to be given on base to switch cooler on/off, and control fan speed. Base to be detachable from cooler, connecting cooler with base through a socket. Base to connect to power socket/be battery powered, and run the fan and pump in the cooler. All connections to be made waterproof.

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    Iot C code, Firmware update. ESP32-WROOM-32D 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I have a prototype for a new Iot device that runs with a ESP32-WROOM-32D MCU. The circuit board came from the manufacturer and it is working, but it needs a few upgrades and changes. It currently connects to the internet with a series of steps, this needs to be simplified to BLE possibly to make it easer. I also would like to have the ability to run firmware updates to improve the product.

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    Build me a video 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I need you to make something similar to this video for us..we have invented and developed a next-generation material for battery. Reasonable offers will win, so be wise. Use the following link as sample. [войдите, чтобы посмотреть URL]

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    We need 6 OPI (over the phone interpreters) where 4 of them should be medical interpreters and 2 non-medical interpreters in each language pair. Talents should meet the following criteria: • Must be fluent in English and Native on target language/s, CEFR level “C1 , C2, B2 only • Minimum one year of experience in telephone interpretation • Must be available to work at minimu...

    $250 - $750
    $250 - $750
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    Looking for an experienced PCB designer for a small project involving led grow lights. Looking for someone who can check the information and, in case, suggest proper corrections. He will design a PCB which has two separate circuits, the Far Red led circuit and the Photo Red led circuit: circuit one: - no. 4 Photo Red 660 nm led, Cree inc. part number XPGDPR-L1-0000-00G01 (4 led in serie, max c...

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    Project for Andrey S. 8 дней(-я) left

    Hi Andrey I am looking for someone to work in DipTrace converting or improve if needed simple circuit from through hole to SMD components and recommend component that are easy to source from AliExpress or similar. In future we have other projects we are working on

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    Соглашение о неразглашении
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    Project for George Z. 8 дней(-я) left

    Hi, I have read about you on Particle forum I am hoping that you could help me with design of a PMIC and fuelgate for Particle B523 IOT unit. I need following: DC power input 5-24v dc Solar power - maybe the same input as DC power Battery connection 3.3V and 3.8V output for B523 (on/off) 16V output min. 40mA for 2x4-20mA analog inputs Fuelgate is this something you could help me with ? How to pro...

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    Muting audio signal 5 дней(-я) left

    I need a simple electric circuit for muting audio signal without pops or peaks

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    I want a combination of dtmf receiver, dtmf decoder and dtmf motor driver circuit combined in a single circuit board to control a drone

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    I want you to design or simulate a given circuit in the photo file attached on proteus or any circuit simulation software, nothing extra needed just replicate the given circuit in file on proteus . Nothing extra demanded. Anyone who can do the work in less time and rate should bid. Please respond asap.

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    Circuit Design-audio power amplifier -- 2 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Design an Audio Power Amplifier with following specifications: 1. Power Output: At least 10 Watts with a 6.2 OHM fixed load. 2. Overall Efficiency: Greater than 50% 3. Frequency range: 20 Hz to 20 kHz 4. Distortion: Less than 0.5% at full power output 5. Input signal less than 100 mV (R.M.S value) and input impedance greater than 10 k OHM In addition to the design specifications listed above, you ...

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    I need to connect two gas sensors to one arduino, power them with one battery, and let a mesh of such Arduinos send their gas sensors' data to the computer wirelessly and simultaneously. The following components have been chosen by me: 1. Arduino Nano 33 BLE 2. Sensor A (3.3V TTL level RS232, supply vol 4.5 - 5.5 V), sampling rate 1 reading per second 3. Sensor B (3.3V UART), sampling rate 1...

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    Design a PCB Planar Transformer in DipTrace 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Important --------- Uses Fractional Turns - See the paper "How to Design a Transformer with Fractional Turns" by Lloyd H. Dixon, Jr. [войдите, чтобы посмотреть URL] Page R6-4 has the winding layout for obtaining the 1/2 turn while minimizing leakage inductance. Work ---- 1. Design the PCB for a PCB flyback transformer for SMPS use. The transformer "windings" are to be comp...

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    I need an Aurdino Engineer 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I need an Aurdino Engineer to design a custom circuit

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    I need someone that has knowledge on making a specialize battery electrical transfer cable. Once you sign the NDA form, I will explain my concept to you and I hope that you will have knowledge on how to build my concept. I will need a document and illustration made for the concept.

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    Project for Ali G. -- 7 7 дней(-я) left

    Completion of the design system. include the following specifications USB input 5 volts for charging. and 220 volts output. the battery inputs are as follows two inputs to charge the battery 25.2 volts. two 5 volts inputs to charge the system from the battery. they need to have a switch meter to charge when the battery energy goes low 10% in one of the battery. so it switch to to the next batte...

    $250 (Avg Bid)
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    Project for Ali G. -- 6 7 дней(-я) left

    Completion of the design system. include the following specifications USB input 5 volts for charging. and 220 volts output. the battery inputs are as follows two inputs to charge the battery 25.2 volts. two 5 volts inputs to charge the system from the battery. they need to have a switch meter to charge when the battery energy goes low 10% in one of the battery. so it switch to to the next batte...

    $250 (Avg Bid)
    $250 Ср. ставка
    1 ставки
    Project for Ali G. -- 5 7 дней(-я) left

    Completion of the design system. include the following specifications USB input 5 volts for charging. and 220 volts output. the battery inputs are as follows two inputs to charge the battery 25.2 volts. two 5 volts inputs to charge the system from the battery. they need to have a switch meter to change when the battery energy goes low 10% in one of the battery. so it switch to to the next batte...

    $250 (Avg Bid)
    $250 Ср. ставка
    1 ставки
    Circuit Design on Tina-TI -- 2 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Design and simulate a power supply that is able to take 120 Vrms input signal and deliver a nominal 5VDC output at 25mA with ~1% ripple at the rectifier (e.g. before the regulator). Note that your power supply must contain a rectifier and a regulator circuit. No restriction is imposed regarding which rectifier topology to use. In your design phase, you can use any value of circuit compone...

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    Electronics project on Tina-TI 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Design and simulate a power supply that is able to take 120 Vrms input signal and deliver a nominal 5VDC output at 25mA with ~1% ripple at the rectifier (e.g. before the regulator). Note that your power supply must contain a rectifier and a regulator circuit. No restriction is imposed regarding which rectifier topology to use. In your design phase, you can use any value of circuit compone...

    $250 (Avg Bid)
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    1 ставки

    I need an embedded system designer to design a nano PCB to control following component ( a brush motor , led light, Infra Red sensor for collision detection , Altitude sensor , RF sensor for command ) . Having power source from a lithium ion battery and charging circuit for that . The circuit should be very light weight .The controller should be programmable to control all components . The designe...

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    Every circut 4 дней(-я) left

    I need someone to help me in making an every circuit traffic light project. They have to be very familiar with every circut and the ideas in there

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    To generate a design with its principles, state definition table, state transition table, state diagrams, data flip flop, K maps, a circuit for Quartus simulation. Can be done on paper too. Thank you so much in advance

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    Build me an app 4 дней(-я) left

    I have made a SmartPlug focused at mobile phones to improve their battery performances over a long period of time. The SmartPlug is operated when the user plugs in their mobile phone charger in it. The SmartPlug stops charging the phone based on inputs by the user. The SmartPlug does this with the help of microcontroller and relay. The inputs by the user are set on an app on the mobile phone that ...

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    LT spice, electronic circuit (two port, Transistor) -- 2 4 дней(-я) left
    ПОДТВЕРЖДЕН

    i want long term employee. iff you are expert, please bid here. its low budget project

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    Its my first time writing a little bit more than basic program for 1 part of a course I am on. I have built the circuit how I want it and constructed what I believe to be most of the code to make it work as per the screen shot of the Program requirements. I need help with: 1 - Any minor errors that I will have no doubt have made to what I have done 2 - Help with the last 3 comments on the Screen...

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    IC Physical design engineer 3 дней(-я) left

    Our client a leading semiconductor based in Europe are seeking an IC Physical Design Engineer for a minimum 6 month project This project will be fully remote for the duration. Skills/Experience - Digital Back End design flow Cadence/Synopsis Circuit/Physical Design Place & Route Experience with UNIX Scripting Perl, Python, Bash RTL architecture synthesis VHDL/Verilog - Digital Circui...

    $50 / hr (Avg Bid)
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    Project for Abbas J. 6 дней(-я) left

    I would need your help with some transistor (NPN, PNP; CMOS, ...) and diode circuits. The circuit should take 15min max to solve. Are you interested?

    $29 (Avg Bid)
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    Project for Bijan M. 6 дней(-я) left

    I would need your help with some transistor (NPN, PNP; CMOS, ...) and diode circuits. The circuit should take 15min max to solve. Are you interested?

    $23 (Avg Bid)
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    Build a circuit in multism 3 дней(-я) left

    Design a 4-bit synchronous irregular counter in the following sequence : 0,4,7,9,11,10,2

    $19 (Avg Bid)
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