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    30,706 circuits diagram battery charger jobs fundet, i prisklassen EUR
    Database Project Udløbet left

    SQL ER diagram @!

    €126 (Avg Bid)
    €126 Gns Bud
    6 bud

    Picture editing for phone charger etc.

    €18 / hr (Avg Bid)
    €18 / hr Gns Bud
    1 bud

    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.

    €1983 (Avg Bid)
    €1983 Gns Bud
    8 bud

    Need a simple Mozilla extension developed,it will be used for personal use, wont be published. In a browser , there will be always 2 tabs open : one will be static HTML local dashboard page on desktop. Lets call it 'tab-a' . Other tab will have http page . Lets call it 'tab-b' .The input fields on this http page of 'tab-b' need to be populated by the extension. Here ...

    €24 (Avg Bid)
    €24 Gns Bud
    6 bud

    during day it should charge from solar with first [log ind for at se URL] absence of solar it should charge from [log ind for at se URL] will be 12v dc 3a motor.

    €105 (Avg Bid)
    €105 Gns Bud
    3 bud

    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...

    €409 (Avg Bid)
    €409 Gns Bud
    9 bud

    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...

    €165 (Avg Bid)
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    16 bud
    LED Pixel wall diagram 6 dage left
    VERIFICERET

    Looking for someone who has experience in working with LED pixels such as WS2812 or similar addressable LEDs. I will provide you with drawing of the wall where the LEDs will be and i would need diagram of connecting them with the controllers and power supplies. You need to have previous experience in working with addressable LED. To make sure you have read this project brief, simply respond wit...

    €157 (Avg Bid)
    €157 Gns Bud
    8 bud
    ESP8266 Audio Player 6 dage left
    VERIFICERET

    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...

    €141 (Avg Bid)
    €141 Gns Bud
    7 bud

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

    €23 (Avg Bid)
    €23 Gns Bud
    79 bud
    system design and API description 6 dage left
    VERIFICERET

    We need software engineer with experience to design the system based on CAP Alerting -Back End -DB (Diagram And Schema with Stored Procedures script and stored procedure Doc) -GUI (Schitch ) -API (Design which include -PostMan AND C# REST API Headers) -Database cluster solution -system architecture solution

    €175 (Avg Bid)
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    14 bud
    €27 Gns Bud
    32 bud
    OS install for MACbook Pro 6 dage left
    VERIFICERET

    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 ...

    €9 (Avg Bid)
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    3 bud

    I have three, possibly four elements of the image we wanted to compile. I would like to see a rairnforest within the whale... You can see the overall concept in the drawn diagram. Minimalistic and single colour.

    €47 (Avg Bid)
    €47 Gns Bud
    78 bud
    Testing app on google play store 6 dage left
    VERIFICERET

    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 ...

    €374 (Avg Bid)
    €374 Gns Bud
    25 bud

    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...

    €78 (Avg Bid)
    €78 Gns Bud
    15 bud

    I need a programmer to produce a self-contained Android app with the following two main functions: - Rota - can insert an employee's shift rota into their mobile phone calendar via an event attachment that can be deployed to the app from the owner (me) and activated by the app user - Stock - a barcode reader that can scan a standard 2-D stock barcode and from this highlight a location on a ...

    €1417 (Avg Bid)
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    63 bud
    european e-bike database .CSV -- 2 5 dage left
    VERIFICERET

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

    €111 (Avg Bid)
    €111 Gns Bud
    81 bud
    Bluetooth PCB board 5 dage left
    VERIFICERET

    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...

    €487 (Avg Bid)
    €487 Gns Bud
    27 bud

    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...

    €12 / hr (Avg Bid)
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    5 bud

    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...

    €427 (Avg Bid)
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    24 bud

    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.

    €29 / hr (Avg Bid)
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    19 bud

    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...

    €1306 (Avg Bid)
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    34 bud

    I am a small research and product development company trying to create the world's first Magnetic Battery, or a battery that is charged only once like a Magnet and lasts a lifetime. I need a simple 3D Model in AutoCAD and Inventor of my prototype.

    €101 (Avg Bid)
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    25 bud

    PCB board for charging 3,7V LiPo cells with downscaling from 5V and 12V for charging and upscaling to 5V and 12V discharging, incl. over- and undercharging protection including an interface to use the contacts from the battery to operate an LCD-Device. Autosensing USB-A and USB-C sockets to be integrated. The detailled task will be released after signing an NDA.

    €11 / hr (Avg Bid)
    €11 / hr Gns Bud
    23 bud
    sequence diagram 4 dage left

    I want to have simple sequence diagram

    €13 (Avg Bid)
    €13 Gns Bud
    11 bud

    Lithium ion battery manufacturer. Require an electronic engineer to verify the electronic robustness some of our circuit board designs. Possibly also design a new version of some boards which includes fault finding circuitry (more for the external systems than the board itself).

    €334 (Avg Bid)
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    21 bud

    need a interior design for under construction house with electrical diagram sketch should include furniture for the specified house dimention

    €158 (Avg Bid)
    €158 Gns Bud
    48 bud
    poster 24"X36" 4 dage left
    VERIFICERET

    Hello,, I would like to design a poster for a sidewalk sign battery replacments fro watches and car remotes

    €25 (Avg Bid)
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    61 bud

    System documentation project need help in diagram

    €140 (Avg Bid)
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    1 bud

    I have a sample basic telegram app in Python, which I downloaded (This is uploaded to the Files section). I want to make my bot based on that (or some other way if you prefer). I need the bot to be robust and can handle many connections simultaneously and also be as fast as possible. You only need to add three set of keyboards to show when certain keys are pressed (as shown in diagram I uploaded t...

    €22 (Avg Bid)
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    13 bud

    PCB is an acronym for printed circuit board. It is a board that has lines and pads that connect various points together. ... A PCB allows signals and power to be routed between physical devices. Solder is the metal that makes the electrical connections between the surface of the PCB and the electronic components. PCB designers use industry-standard computer software programs to aid and implement t...

    €311 (Avg Bid)
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    30 bud
    File Management Routine 4 dage left
    VERIFICERET

    Hello Sir, my business is to perform a graphic test in a desktop application. I need to load this app, check some gauges, and quite the app. The app provides a file with data which I need to retrieve for analysis purposes. Afterwards, I have to setup the app and do the same task. I would like to make it automatically. I need a computer program (Windows platform) that may automatically perform...

    €153 (Avg Bid)
    €153 Gns Bud
    19 bud

    I need some to design the Structured Narration Table, Context Diagram, Physical DFD, Annotated Structured Narration Table and Logical DFD .

    €90 (Avg Bid)
    €90 Gns Bud
    5 bud
    Make a HUD system 3 dage left
    VERIFICERET

    to set up a HUD system showing details like speed, distance travelled, impact record, ability. to notify incoming call and ability to answer them using mic and speaker modules, Bluetooth connectivity, music playing and navigation assistance with route Info to be displayed on a LCD device with a battery back up for 6 hours, in minimal form factor

    €792 (Avg Bid)
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    4 bud

    Hello im in the process of making a lifesized reindeer with moving head. Its driven with a windscreen wiper motor. I can wire up the dc speed controller and it works fine. However i would like to add a 555 12v relay timer switch and a pir motion sensor module but i cannot get the wiring right! Can anyone advise on how i can wire it up to work? Im using a 12v battery not a plug. Thank you :)

    €16 (Avg Bid)
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    1 bud

    Let there are 6 NodeMCU ESP8266. Each NodeMCU in outdoor area and battery powered. Let there name be T1-R1, T2-R2 and T3-R3. Ti device generates wifi with some ssid and paasword and the respective Ri pair gets connected to its Ti device using that ssid and paasword. I have log the signal strength of each pair twice per second in following format (time, signal strength). Thus I will have 6 readin...

    €119 (Avg Bid)
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    11 bud

    We have an installation project in Amsterdam from 16th Sept To 27th Sept with Sunday Off. Below is the scope of work: SOW: Assist HWN Lead engineer Fluke test home runs(DSX-5000 tester will be required) patch the KDDI Internet circuit after their installation on Sep 12 15PM(start time) patch the KDDI PRI circuits after their installation on Spe 13 10AM(Start time) testing voice with Andrew R...

    €2018 (Avg Bid)
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    1 bud

    Procurement unit looking for a professional procurement expert to revise and develop a high level and detailed procurement standard operating procedures, workflow diagram, suite of procurement forms and templates along with a clear job description as per provided organizational chart. To support you completing this project, please review the following attachment: 1. Procurement Policy 2. Delegati...

    €324 (Avg Bid)
    €324 Gns Bud
    4 bud

    Hello We need to develop a ppt that will be presented to investors and government of a country with a purpose to build infrastructure of electric vehicles. Presnetation will contain following information: 1. What is electric vehicles and type of electric vehicles - personal, passenger, utility vehicles etc. 2. Economics of electric vehicles vs conventional vehicles (Comparison between total cost ...

    €133 (Avg Bid)
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    20 bud
    One page website 3 dage left

    Create web site that allows: 1. Managing DType : list with options (new, change, delete) 2. Managing AType : list with options (new, change, delete) 3. Managing Document : list with options (new, change, delete, export to XML) a) Add new document b) Manage Fields, Fields group, References, ReferenceField and ReferenceFields c) Delete document 4. Managing users (username+password and OAuth2 logi...

    €148 (Avg Bid)
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    41 bud

    It a simple electronic design using two 1,5V batteries and two Hall sensors. The system uses a ATtiny202 processor and has two Leds, it works as follows: 1. When the magnet is in range of hall sensors the leds are off. This is the “waiting mode” the unit needs to be in a sleep mode so it needs to switch on every 30 seconds for a few milliseconds to check the status of the hall sensors ...

    €393 (Avg Bid)
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    14 bud

    I need an expert in power point representation to create a diagram on 5 project management processes in powerpoint - project initiation, project planning, project execution, project monitoring & control, project closing

    €9 / hr (Avg Bid)
    €9 / hr Gns Bud
    32 bud

    We are an innovative iOT startup that is currently developing a product line of smart products called smartThink. Our current products are a heated jacket and a heated seat. Our goal is to build a low cost yet high-performance PCB with embedded BLE microprocessor chip and temp sensor module that (1) powers carbon fiber heat pads and (2) feeds real time temp data to a mobile app which is also used ...

    €1039 (Avg Bid)
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    26 bud

    I need you to design a main PCB board to operate two-wheel BLDC hub motors and a few auxiliary components e.g. lights. You will also design a small joystick logic to talk with the main PCB board. So we want to use as many pre-built electronic modules as possible to simplify the design task. All the pre-built modules have already been selected. Specific model numbers will be provided in private ch...

    €570 (Avg Bid)
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    20 bud

    I need get all the data out of an online battery lookup. The data we need is from the centuary batteries website [log ind for at se URL] I need to get all the data out of this database into a csv file so I can use it to update another database. I need to get the vehicle data along with the battery / batteries that fit each vehicle.

    €258 (Avg Bid)
    €258 Gns Bud
    50 bud
    Amperage Amplifier Design 3 dage left
    VERIFICERET

    A lab. equipment generates three voltages (up to 10V and 8mA) using an integrated motor driver, and I need to amplify the signal (8mA is too low) to run the brush less motor. I need someone to design the amplifier and create the PCB in eagle or Altium. I will make the prototype to test it. Please see attachment for diagram and let me know if you have any questions.

    €134 (Avg Bid)
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    17 bud

    Need help to create a set of AutoCAD Electrical Diagrams. Data will be provided for each diagram to be created.

    €125 (Avg Bid)
    €125 Gns Bud
    49 bud