12v battery charging circuitemplois

Filtrer

Mes recherches récentes
Filtrer par :
Budget
à
à
à
Type
Compétences
Langues
    État du travail
    25,305 12v battery charging circuit travaux trouvés au tarif de EUR

    Yahoo clone needed, the only difference between the site that will be copied, and the new one, is a different logo and design, the pictures used will be the same, except less pictures, the site can be found here, [se connecter pour voir l'URL] I am an experienced web programmer and designer, I just dont have the time to do the work, serious bids only, since i know web design and progr...

    €83 (Avg Bid)
    €83 Offre moyenne
    4 offres
    Daylight Extender S'est terminé left

    Design an electronic control that will switch on a light as per the attached annual light pattern so that daylight is extended as the darker night draw in. The light should dim / brighten slowly The unit must be to work in normal weather conditions including severe hot and cold. The unit must be powered by battery or mains adapter with possible battery backup in case of interruption...

    €131 (Avg Bid)
    €131 Offre moyenne
    4 offres
    Home page design S'est terminé left

    A home page for a battery distribution firm. one logo & flash are required. No coding. we need good designers to make this.

    €63 (Avg Bid)
    €63 Offre moyenne
    65 offres

    ONLY ENGLISH SPEAKING CODERS SHOULD BID ON THIS JOB. This job requires experience in writing and involves populating an Excel spreadsheet with the latest information on 10 Sager laptops for a database application. The actual database in its current form can be viewed at: [se connecter pour voir l'URL] and a typical page at: [se connecter pour voir l'URL] The Sager laptops are missing inf...

    PHP
    €83 (Avg Bid)
    €83 Offre moyenne
    17 offres
    multisite rental database S'est terminé left

    I have multiple vacation rental websites; I would like to create a single portal where the owner can log in once, create, update, etc. and have the listing changed from whatever website accesses it. The owner would be able to automatically have there listing appear in their choice of a sites offered by checking a box for that site (column a) and then if they would like to apply their bid to that s...

    €288 (Avg Bid)
    €288 Offre moyenne
    8 offres
    Eprom simulator S'est terminé left

    I require a circuit to be designed to simulate an eprom in a target environment. The eproms are m27128 and m27256. A circuit board needs to be made that will replace the original eprom with a unit that contains flash memeory. I can get the circuit board made elsewhere if needed. The unit will need to be updated via a serial connection. This can be done whilst the eprom is not being used, if it can...

    €562 (Avg Bid)
    €562 Offre moyenne
    7 offres
    Internet Telivision S'est terminé left

    Hello, I am looking for a product similor to MSN TV2 (Refer : <[se connecter pour voir l'URL]>) This is an initial process to understnad the find experts in this area. I am looking for : the SettopBox. with software ( Hardware and Software) Rest of the parts can be purchased ( like Keyboard, Battery, etc) The Bid should cover : 1. Parts which can be taken from ...

    PHP
    €19069 (Avg Bid)
    €19069 Offre moyenne
    1 offres

    I need a device/circuit similar to a buzzer or chime. When power (12 volt) is applied, I need a certain mp3 ([se connecter pour voir l'URL] audio) file on a removable flash usb drive to be played. This way, a user can customize the message by taking the usb flash drive to a pc, and putting a different mp3 file on the drive with the same name. It can play first on list if it is easier to build...

    €919 (Avg Bid)
    €919 Offre moyenne
    5 offres
    SIP Phone Hardware S'est terminé left

    **Require to create a SIP Phone circuit** LAN Internface 1x RJ45 10Base-T 2x RJ45 10Base-T 12-digit caller ID LCD Universal Switching Power In: 100-240V AC Out: +5V DC, 400mA ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending...

    €90 - €449
    €90 - €449
    0 offres
    Rotary Encoder Reader S'est terminé left

    Software based on the Microchip?"? PIC series microprocessor written in PIC Basic (or PIC Basic Pro). Coder can feel free to use any PIC chip they are most comfortable with (assuming it has enough GPIO pins). Code needs to read 2 Rotary Encoders (Grey Code) and 19 momentary buttons (tied to Ground) and simply output simple text data to a Max-232 serial port. Data should only be transmitted wh...

    PHP
    €66 (Avg Bid)
    €66 Offre moyenne
    14 offres

    I need a coder that will design a small circuit board and programme an eprom on the board to measure water flow rate. The programming can be in assembly, forth, basic, etc. Other compunents that will be connected to the board are, a display, keypad, 9 volts battery, indicator lights? and speaker.? Further details can be? provided to interested coders.? ## Deliverables Rent A Coder requirements ...

    €121 (Avg Bid)
    €121 Offre moyenne
    9 offres

    Hi, I have a hexaphonic pickup (GK3 from Roland - JUST THE PICKUP, NOT THE GUITAR MOUNTED THING THE PINS PLUG INTO!) but need a series of ADC converters to take the 6 channel output, convert to digital (with a high enough sampling rate for each string to be able to perfrom FFT analysis and differentiate what note was played - for this please bear in mind that higher strings have a greater separati...

    €488 (Avg Bid)
    €488 Offre moyenne
    2 offres
    60081 Review Writer Needed S'est terminé left

    Need someone who has some spare time to visit the website of various Dedicated Server companies and write a one paragraph review of the company. Basically you would review the dedicated server offers for the companies, and write your assessment of the company and give it a star rating from 1-5. In the report you write to me you must include the following for each company you review: Features the...

    €67 (Avg Bid)
    €67 Offre moyenne
    1 offres
    Cad for tooling S'est terminé left

    I need a nice new phone model like [[se connecter pour voir l'URL]][1] or [[se connecter pour voir l'URL]][2] in CAD for making the tools for a new phone. I also need a small speaker to go along with the phone to be designed. If accepting this job, i would like to have three quick draws so i can decide the one we should go ahead with. The inside layout for circuit bord etc. will be done ...

    €482 (Avg Bid)
    €482 Offre moyenne
    5 offres
    Pic programing S'est terminé left

    I need a programmer to modify a phone. The phone is like this one and i would like to have it equipped with DTMF dialpad and when lifting and lowering the phone it should send DTMF signals to the computer via the mic cord. I expect the programmer to do this with the cheapest possible hardware (since it might be mass produced). The programmer should not only make the hardware complete, he/she shoul...

    €209 (Avg Bid)
    €209 Offre moyenne
    2 offres

    : I am looking for someone to give me links to other freelance auction based sites and other websites one can go to without a sign up fee where one can make money now. This should be easy for you, for all you might have to do is copy and paste your bookmarks. **I AM NOT LOOKING FOR AFFLIATE PROGRAMS OR FREE OR PAID BUSINESS OPPORTUNITIES.** ## Deliverables Example of sites not qualified: ...

    PHP
    €127 (Avg Bid)
    €127 Offre moyenne
    4 offres
    Colour Detection Circuit S'est terminé left

    Require a Colour Sensor / LDR / Laser Diode/ Anything-you-feel-better Based Colour Detection Circuit Hardware. Colour has to be detected over a currency paper. Please guide us to the ideal illumination for the optical components required. Microcontroller acceptable. Economical circuits a must. Input is the currency paper with points scattered over a limited area of 130 x 65 mm paper. Also please n...

    €163 (Avg Bid)
    €163 Offre moyenne
    4 offres
    ultrasonic level mearurement S'est terminé left

    I need to get a built circuit and PIC code for the following. (keeping it as simple as possible as I am total beginner) An ultra sonic circuit that will be used to measure the amount of liquid in a tank using a pulse sent and received. the work is a project so must be simplified for me to understand. I would like the circuit and code aswell as full expalnation of each step in the code and genera...

    €34 (Avg Bid)
    €34 Offre moyenne
    4 offres
    MPEG 4 Motion Only code S'est terminé left

    Input: An Mpeg4 video (no audio track) file with graphical time/date stamps Output: An Mpeg4 video file showing just the clips where probably motion has taken place. (a few frames on either side of the motion is probably worthwhile) Application: This is for a Closed Circuit TV (CCTV) application. We have video collected from CCTV cameras that we need to review to see if certain events have ...

    €524 (Avg Bid)
    €524 Offre moyenne
    3 offres

    I have a website client that I have made a site for that is for a book the client wrote, and need to be able to take an order for the book on the site. I already have a SSL Certificate and a Merchant Account setup. I will need a form to: 1. Collect how many books the buyer wants. 2. If they want it signed and what they want the signing to say. 3. Collect the buyer's credit card, billing an...

    €45 (Avg Bid)
    €45 Offre moyenne
    1 offres

    *PLEASE READ CAREFULLY THROUGH EVERYTHING, PLEASE DO NOT POST IF YOU HAVE JUST SKIMMED THROUGH THE DESCRIPTION OF WHAT I NEED* hello coders, here is the sistuation: I had a coder develop a site for me, but it is not working fully yet, and he asking for more money, which I don't think is fair. I'd like to pick someone up on this project to do my initial fix...

    €967 (Avg Bid)
    €967 Offre moyenne
    9 offres

    I need someone to build me a pocket 802.11 to bluetooth bridge the reason is that wifi works good and bluetoth not so good for me so... A pocket sized box with a battery compartment that will work as a wirless access point (wifi 802.11) and link to the internet through a bluetooth bridge to my sonyericsson phone. The divice should have a web interface, DHCP (so everyone that happens to be around m...

    €2148 (Avg Bid)
    €2148 Offre moyenne
    3 offres

    I have a requirement for a working circuit to be designed and a prototype built. It will be a battery cell cycling circuit, which will be able to charge a 1.2v cell (Either NiCad or NiMH) at a set rate (6 amps). The charging circuit would be best to employ an existing battery charger IC, with peak delta detection. This is the smaller part of the project. The second stage is the discharge circ...

    €155 (Avg Bid)
    €155 Offre moyenne
    4 offres

    Description: Following the lecture presentation and analysis of a simple computer architecture for a highly idealized machine each project group is to complete a design and simulation using MaxPlus software. The architecture will include all detailed circuits to represent the RAM, the CPU and the bus (both data and address). These circuits will be chosen from existing modules supported by MaxPlus ...

    €27 - €54
    €27 - €54
    0 offres

    Basically, to sum this up, we need a website comparable to Best Buy, TigerDirect, Circuit City. Preferibly done in php. Needs to correspond with LinkPoint API and Varilogix Anti-Fraud System. Store locator is required as well, a nice administration panel to add new items and administer all the site options. Clean, commented code so it will be easily updated in the future. ## Deliverabl...

    €27 - €4487
    €27 - €4487
    0 offres

    I need a program in assembly with the asm file as well as a circuit diagram with explenation to build a **DC Voltmeter Using A/D Converter on the HC11 board Project: ** **Write a program to make a simple DC voltmeter. The voltmeter will measure voltages between 0 and +5 VDC. The display for the voltmeter is an array of eight light-emitting diodes, so the voltage range must be broken into e...

    €38 (Avg Bid)
    €38 Offre moyenne
    1 offres
    UPS polling utility S'est terminé left

    I'd like a small utility which polls my APC BR1500 (Back-UPS RS1500) which runs in the background doing the following. - Collect and store to a text file: 1) timestamp (epoch seconds is fine) 2) AC voltage from the house powerline, 3) power consumption (watts) and 4) UPS status (IE on normal, boosting, trimming or on battery) - Format of the text datafile should be: timestamp|volts|watts|stat...

    €31 (Avg Bid)
    €31 Offre moyenne
    2 offres
    Low bit rate voice recorder S'est terminé left

    I need a device thet will record voice (speech) on an SD or MMC flash card (16MB - 1GB) formated with fat so can be read on a PC. The files after compression have to be very low bit rate- 5 - 8kb/s with a good playback quality.(G.729 ?). The device will have 7 buttons for user i/f - 1) play/pause, 2) rec/stop, 3-4) next and prev record, 5) power up, 6-7) volume U/D, a rec led , a logic input tha...

    €534 (Avg Bid)
    €534 Offre moyenne
    6 offres
    PDA Text Display SIR Input S'est terminé left

    1) An Embedded Windows [se connecter pour voir l'URL] application program is required to run on a handheld PDA device. 2) The application should operate on various manufacture's PDA devices 3) The application will be up loaded (from website) on to PDAs 4) The application will receive serial ASCII data through its Infra-Red channel in SIR (Slow Infra-Red) protocol. 5) Serial data ...

    €1994 (Avg Bid)
    €1994 Offre moyenne
    5 offres
    62916 Mini-Storage Workflow S'est terminé left

    What we're looking for is a complete workflow system for a mini-location storage company. Customers come to a facility, store their belongings in a storage unit, and pay a monthly fee based on the size of that unit. Following are the major requirements of the system: * Must be written in PHP, use MySQL database backend if desired. * Must use [se connecter pour voir l'URL] for automated ...

    €449 (Avg Bid)
    €449 Offre moyenne
    1 offres
    ASP.NET ecommerce expert S'est terminé left

    I am an experienced programmer in asp.net (VB.NET), but I lack experience in ecommerce. I am looking for someone to help me with a series of different aspects of the project. SSL ..... Credit Card Charging, [se connecter pour voir l'URL] Recurring billing.... COSMETICS namely, making the site very presentable, which might include some flash or javascript...etc. The coder ...

    €162 (Avg Bid)
    €162 Offre moyenne
    4 offres

    Product Research Needed I need someone to research on the net and locate 250 popular electronic products (much more future work is likely if happy) with a 'reasonable spread' from the following products: pocket-pc's, cameras, PDA's, personal organizers, sports watches, scientific calculators and mp3 players that use the following Lithium batteries (cr2032, cr2016, cr2025, cr16...

    €90 (Avg Bid)
    À la une
    €90 Offre moyenne
    1 offres

    M&M is a computer manufacturer, which requires a database system for its parts inventory. The inventory comprises all the mechanical and electronic parts M&M use to make their computers. Each part has a unique part number, description, and serial number. The quantity on hand, reorder levels and re-order quantity for each part all need to be recorded in the system. In addition, electronic ...

    €179 - €269
    Scellé
    €179 - €269
    0 offres

    Basically, I need an Adult Webcam Portal created for me resembling something like [se connecter pour voir l'URL] or [se connecter pour voir l'URL] Need back admin area to accept/deny new accounts... Need to be able to charge viewer per minute to watch the models (need model panel as well telling them how much they are making after expenses)... Admin panel needs to keep tra...

    €27 - €90
    €27 - €90
    0 offres
    Web Site Design S'est terminé left

    I am looking for a clean design for a new Hosting, Domain and Web Design site. I want the customer to be able to lookup domains and whois database. Well, as a pro I think you know what's required for such a site. Please do not bid if you are charging more than what you bid for. I have made my budget limits clear. So don't waste your time and mine by bidding and demanding astronomical fig...

    €76 (Avg Bid)
    €76 Offre moyenne
    15 offres
    mymixx S'est terminé left

    looking for a music downoad website, where my customeres can download indivual mix compilations of music or subscribe to a monthly download. Compilations will be about 60-70 minutes long. There will be 6 different genres of music all which will be sold as mix compilations. I will need a current volume page as well as various pages for previous month. We will need a "administration page where ...

    €333 (Avg Bid)
    €333 Offre moyenne
    4 offres

    Hi all, Something very simple here, and need a quick turnaround. I need someone to design and make a working version of a voltage converter. The input voltage can be either +5v or +13.8v (DC) and the output needs to be variable from 0 to -20v (negative) using a 5-10K pot. It needs to be simple, preferably using a dc-dc converter IC already available on the market. This is just for an LCD cont...

    €54 (Avg Bid)
    €54 Offre moyenne
    5 offres
    Excel Spreadsheet S'est terminé left

    Complete assignment in attached file Need it due Thursday (28th October) But you must send progress report Due wednesday Decision-Making Case Study: Kayo Computer assembles and sells personal computers. Each computer needs one custom-designed printed circuit board (PCB). Kayo has contracted to buy the PCBs from an outside PCB manufacturer, Apex Manufacturing. The one-year contract stipulat...

    PHP
    €8 (Avg Bid)
    €8 Offre moyenne
    4 offres

    A PROJECT REPORT ON HARDWARE INTERFACING 1. Introduction to project This project contains its own hardware and software to control at most eight electric appliances via PC’s parallel port. This project is independently developed by me. You can ON/OFF an appliance with Function keys (F1, F2, F3….) or with the help of mouse. ...

    €69 (Avg Bid)
    €69 Offre moyenne
    4 offres
    Speech Recogntion Circuit S'est terminé left

    Require a electronic circuit for speech recognition/verfication for upto 50 commands/users. Based on the microcontroller/dsp/rtos of your choice. Detailed Specifications ? See [se connecter pour voir l'URL] chip and also see [se connecter pour voir l'URL] C or asm algorithm programming preferred. Please do not use sensoryinc speech chip in your project. Modules starting from Microphone i...

    €327 (Avg Bid)
    €327 Offre moyenne
    7 offres
    Analog to Digital Convertor S'est terminé left

    i need a 8-bit analog to digital convertor(preferably using ADC08080 series). the input of the ADC is be 6 volts (max.).it may be used with parallel port, so only valid ouput after conversion should reach the [se connecter pour voir l'URL] diagrams & circuit diagrams are required with detailed component list. ## Deliverables 1) Schematic Diagram of Circuit 2) Circuit Diagram ...

    €43 (Avg Bid)
    €43 Offre moyenne
    6 offres

    If you are able to supply us with expertise in some or all areas as listed below, please get in touch This could lead to a more permanent collaboration for the right person/companies 1. We are looking for electronic engineers to design a wireless scientific instrument using an 18F series PIC microprocessor. We will provide detailed technical specifications (size, battery voltage, sampling frequ...

    €449 - €4487
    €449 - €4487
    0 offres
    Coffee machine controller S'est terminé left

    I need a new electronic controller for a relays based coffee machine. This means an electronic with microcontroller (8051 prefered, but it's not an issue if there is another type), depending on the uC, 32KB RAM, min. 2KB EEPROM. I prefer a uC with internal FLASH to avoid external EPROM, and, if posible, with internal RAM and EEPROM (Atmel 89S8262 for example). The electronic must include also...

    €1780 (Avg Bid)
    €1780 Offre moyenne
    7 offres

    I am looking for a schematic and BOM with manufacturer name and address of a LOW cost audio and data combiner (encoder) and separator (decoder). Combiner specs Input: 1. Stereo Audio with 1V signal amplitude 30Hz to 16KHz 2. RS-232 data 2400 to 9600 baud rate Output: 1. Single signal up to 10MHz bandwidth Power supply: 1. 5V preferred. +/-5 if necessary 2. <50ma current consumpti...

    €214 (Avg Bid)
    €214 Offre moyenne
    5 offres
    Home Based Typist/Data Entry S'est terminé left

    We are a new company who are doing loads of data entry work for companies. You will be processing programs. You can process as many of these programs as you would like in a week, they usually take around and hour each but it depends on your speed. You will be required to work for at least 15hours a week. You will be payed by PayPal, $20 for each program you process. We have 6 available opening at ...

    €18 - €90
    Scellé
    €18 - €90
    0 offres
    Simple VHDL S'est terminé left

    *Here is the problem statement. The details of the project can be found in the attached zip file. I would like you to code this up in VHDL. * The 1965-67 Ford Thunderbird had three left and three right tail lights which flashed in unique patterns to indicate left and right turns. There are five inputs left signal (L), right signal (R), brake signal (B), Hazard signal (H) and park signal (P)....

    €114 (Avg Bid)
    €114 Offre moyenne
    3 offres

    I am in the financial services business and am looking for someone to make a logo for my company so that I can have the logo put on business cards and letterhead. The final format must be a in CMYK 300 dpi as well as .jpg or .tif file. Now, for the description of the logo. I am looking for a bull standing on top of the world. The bull will symbolize a "bull market" and the world sy...

    €82 (Avg Bid)
    €82 Offre moyenne
    24 offres
    Web Hosting from $3.99 S'est terminé left

    For more info [se connecter pour voir l'URL] Looking for a place to host your web site? Why not choose MJC Software Inc. We offer afforable web hosting and world class service, not to mention, we are a local company right here in Brantford. Our professional Web Hosting plans include all of the features you are looking for, at the best possible price. We guarantee that our network wil...

    €18 - €90
    Scellé
    €18 - €90
    1 offres
    pay site password login S'est terminé left

    I want to be able to let my paid site users have a login and password. I will be charging a one time fee that will not need it or a monthly or yearly fee that will. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of t...

    PHP
    €40 (Avg Bid)
    €40 Offre moyenne
    7 offres
    Youth Group Website S'est terminé left

    Hi. I wanted to see about you guys possibly making some PHP software for us? It is for our NON-PROFIT Teenage Youth Group for kids high school age. We have very little money to spend on this, maybe if we paid a low price, you could put links back to you on it? If its good, I could definately get some other youth groups to buy it also. This is kind of what we need: If we could make it something w...

    €18 - €90
    Scellé
    €18 - €90
    6 offres