Lithium ion battery charger circuit työt

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    26,191 lithium ion battery charger circuit työtä löytyi, hinnoittelu EUR

    Minulla on edelliseen projektiimme liittyvää jatkuvaa työtä 'Ruuhimäki Circuit Logo desing'

    €16 / hr (Avg Bid)
    €16 / hr Keskimäär. tarjous
    1 tarjoukset
    Circuit Schematic and BOM Validation 6 päivää left
    VARMENNETTU

    I have four relatively complex circuits (100 to 200 components each) drawn up as schematics. I need a skilled electronical engineer to carefully review these documents for accuracy and completeness. There is no actual design work needed, just validation of existing designs. Additionally, once the schematics pass inspection, I'd like validation of the bill of material (BOM). Ultimately, I...

    €473 (Avg Bid)
    €473 Keskimäär. tarjous
    11 tarjoukset
    App and Hardware For software like LIME 6 päivää left
    VARMENNETTU

    Hi, I'm looking for somebody to help me build an asset sharing company along with hardware that integrates with the item being shared. EX car to go LIME BIRD Here's a link for what the app needs to be able to do [kirjaudu nähdäksesi URL:n] If you have some ideas on the hardware side of things I'm thinking of something simple like a digital battery cut off tha...

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    4 tarjoukset

    project need simulation and circuit diagram. no live build necessary,but it should be for 24v lead acid battery

    €9 (Avg Bid)
    €9 Keskimäär. tarjous
    2 tarjoukset

    Hi, we looking for someone who can do these tasks 1. Solve simple/complex problems which has R/C and with Voltage/Current Sources in circuits 2. Simulate all circuits and verify results in LTSpice-Tool 3. Create engaging document(PPT) which explains solutions to all the problems 4. Good at circuit design 5. Open for learning and multiple corrections Number of problems can be approximately : 15-...

    €13 (Avg Bid)
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    I have a project on Arduino (exapmle Mega 2560 ). The Arduino should act as a cash receiver and send exactly the amount that I deliver via Bluetooth to the balance. I have a working code, but it only works on a few coffee vending machines. Where it does not work, it blocks everything with one code: #define CSH_ACK 0x0100 // Acknowledgment, mode bit set. I also have an insulator circuit. The f...

    €103 (Avg Bid)
    €103 Keskimäär. tarjous
    8 tarjoukset

    Hi I need to design a schematic for the power supply in Eagle. Hot swapped battery concept. Cannot pay more than the budget. I need all the libraries and all the components should be properly labeled. Let's talk.

    €16 (Avg Bid)
    €16 Keskimäär. tarjous
    7 tarjoukset
    build me an electronic curcuit 6 päivää left
    VARMENNETTU

    i need to design a circuit where air flow sensors and air flow regulators are used ..

    €88 (Avg Bid)
    Salassapitosopimus
    €88 Keskimäär. tarjous
    4 tarjoukset
    Need an android app 6 päivää left

    Am a power engineer and need to communicate with my power equipment at site using smart phones. In need of an app that can, (1) automatically restart my phone when the dead battery charges again. (2) automatically connect my phone to caller line after 5 sec of ringing. (3) only recieve call from assigned numbers.

    €115 (Avg Bid)
    €115 Keskimäär. tarjous
    2 tarjoukset

    We currently have a circuit board in the design phase that will be used for Windows based computers. We need a developer to create a BIOS for the boards.

    €12 - €21 / hr
    €12 - €21 / hr
    0 tarjoukset

    You must live in... Brasil, Colombia, México, Argentina Chile, Uruguay, or another country in Latin America ✻ OVERVIEW ✻ You do *not* need any experience. You do *not* need an Arduino. You do *not* need an ESP32. I estimate that you will normally work 1 hour/day. I will pay you hourly via Freelancer. I presume Freelancer will deduct their 10% fee. You will normally work 20 days/month. ...

    €10 / hr (Avg Bid)
    €10 / hr Keskimäär. tarjous
    13 tarjoukset

    I need schematics and a PCB with a ESP-WROOM-32, a USB to serial chip (CH340C), and voltage regulator (RT9080-33GJ5). Additionally, I need the board to have specifically space through holes for a PIR sensor, with a resistor between the data and ground. I also will need through holes for soldering battery wires. I am more than happy to describe our needs more clearly as well as provide a PDF copy o...

    €84 (Avg Bid)
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    7 tarjoukset
    Product design and rendering 5 päivää left
    VARMENNETTU

    Make design and rendering for a modular battery wall system, such as enclosed sketch. 1) metal plate on which 1 inverter, 1 communicator, 1 AC switch box and upto 6 battery packs (2,5 kWh) can be mounted. 2) metal plate on which 1 inverter and 2 battery packs (2,5 kWh) can be mounted. We indicate the specific colour and write a more detailed product description and task. We need +- 6 rendering...

    €384 (Avg Bid)
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    44 tarjoukset

    We are looking for an expert specialized in piping and automation to design and model the pipes and electronics pieces of our container farm. There will be 3 parts of this project: 1) Research and Analyze the concept, understand how the piping and electrical systems will work 2) Create the piping diagram and circuit diagram 3) Add piping and automation into our existing Solidworks 3D desig...

    €1726 (Avg Bid)
    Salassapitosopimus
    €1726 Keskimäär. tarjous
    17 tarjoukset

    You must live in... Brasil, Colombia, México, Argentina, Chile, Uruguay, or another country in Latin America. ✻ OVERVIEW ✻ You do *not* need any experience. You do *not* need an Arduino. You do *not* need an ESP32. I estimate that you will normally work 1 hour/day. I will pay you hourly via Freelancer. I presume Freelancer will deduct their 10% fee. You will normally work 20 days/month...

    €11 / hr (Avg Bid)
    €11 / hr Keskimäär. tarjous
    39 tarjoukset

    RF circuit design task Need expert from electronic and communication engineering

    €106 (Avg Bid)
    €106 Keskimäär. tarjous
    10 tarjoukset
    Fix ionic 4 nav menu 5 päivää left

    I have a ionic 4 with angular project that is broken in ios. for some reason after the login page the new view is not show properly and the login view stay in front of the new page. I´ve noticed that the ionViewDidEnter event is not trigger I prefer if you can fix it accessing my mac with teamviewer: the problems is in a tab menu, when I remove it works fine. <ul id="menu-modu...

    €14 / hr (Avg Bid)
    €14 / hr Keskimäär. tarjous
    9 tarjoukset

    I need an electrical circuit to be design. This electrical circuit is for the purpose of testing all different light bulbs with deferent bases, except the fluorescent. The entire electrical circuit has to be operable with the dimmer switch to determine whether each bulb is dimmable or not. The testing station has to be portable and comes with trays and compartments. The electrical circuit has...

    €11 / hr (Avg Bid)
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    8 tarjoukset
    KIOSK APP NEEDED 5 päivää left
    VARMENNETTU

    I need an application, for display of smartphone and tablets [mdm + digital signage], that allows the users of the device only to see a promotional video (that can be changed remotely), use the camera and that when touching the screen, it appears in the foreground a web-app. (Allow from the command center, add a URL and that the device immediately sends the person there when touching the screen) A...

    €1408 (Avg Bid)
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    25 tarjoukset

    The ACS770 block supplies an alternating analog signal as output. This output from the ACS770 is to be converted into a static analog signal in linear dependence on the existing current flow in the contact connections of the ACS770) so that it can be read directly into an analog input of the PLC or microcontroller. The existing print design should be supplemented accordingly and the modified Altiu...

    €91 (Avg Bid)
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    16 tarjoukset

    I have a PCB designed in Altium that charges a 3.7 v Li-Po battery and then provides power to a 5V fan. The battery is 500mah capacity and takes 2 hr to charges. I need a designer to change the circuit so, that the same battery can be charged in 1 hr.

    €18 (Avg Bid)
    €18 Keskimäär. tarjous
    6 tarjoukset

    voltage and term potential difference are often used interchaneably. potential difference might be better defined as the potential energy difference between two points in a circuit. The amount of difference expressed in volts determines how much potential energy exist to move electrons from one specific point to another. The quantity potentialy how much work, potentially, can done through the ci...

    €2 / hr (Avg Bid)
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    6 tarjoukset

    - Protos/eval units are tested and shipped on time. Design files are checked-in to repository, Test reports are prepared and reviewed, Defects are updated in Jira - Engineering Samples Protos Support - Hardware boards bring-up, building proto units, HW and System verification testing for supported configurations - Update sensor boards designs (Altium designer) based on inputs from testing, variou...

    €48 / hr (Avg Bid)
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    16 tarjoukset
    Trophy icon logo designer 5 päivää left

    need a logo for a martial arts circuit based class called "combat circuit". basic sharp logo in black and red or silver coloring and maybe a fist replacing the "o" in 'COMBAT' but open to other designs. The words need to be clear but needs something else descriptive, eg "fist"

    €126 (Avg Bid)
    Taattu
    €126
    1221 työtä

    Greetings I have an urgent project where I have to translate a manual for a USB wall charger from English to; Finnish German French Spanish Italian The manual is standard and consists of ~450 words. You are expected to have experience in technical translation work.

    €62 (Avg Bid)
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    I have a working ESP8266 WiFi with a load cell as my sensor. I need it to work on battery. When i connect the battery, it dies after 1 week. Same for when i use Uno with LoRa. I tried to use the deep sleep function, but its not enough to make the battery last more than 1 week. If you know how to make this work for at least 3 months. please let me know.

    €27 (Avg Bid)
    €27 Keskimäär. tarjous
    9 tarjoukset

    NOTE: BECAUSE OF ITAR ISSUES - ONLY AMERICAN BIIDS WILL BE CONSIDERED. Need an adapter circuit that will sense the apogee deployment event from any amateur rocketry dual deployment altimeter on the market and use it to drive a micro actuator. The micro actuator will extend to release a mechanical trigger - then retract to home position after a given number of seconds. The micro actuator must ...

    €207 (Avg Bid)
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    5 tarjoukset
    Trophy icon Orange and black logo 4 päivää left

    I need a orange and black logo for “E Bike Battery Handle” I attached a picture of what it looks like. I will pay fast and give a 5 star rating. Thank you

    €16 (Avg Bid)
    €16
    51 työtä
    Home security app 4 päivää left

    Its a home security project. I am reposting the project with better details so I can get more accurate proposals. Experience working with hardware like microcontrollers and building its software on mobile will be a very big plus. Please elaborate on this point if you have prior experience. Thank you and sorry about the reposting. 1. Ability for the users to register from the mobile app. 2. Abili...

    €593 (Avg Bid)
    €593 Keskimäär. tarjous
    27 tarjoukset

    hi i need a clear code to count rpm from engine (from the spark plug cable or fuel inyector) its going to be part of a longer code so no "delay" functions. also shematics of circuit if needed. engines go up yo 16,500 rpm to be used with nano

    €22 (Avg Bid)
    €22 Keskimäär. tarjous
    13 tarjoukset

    Importing products    Hi Hope all is well, I need someone to import phone cases, tablet cases and laptop cases into my store I would like the ones I have done so far and then I would like to test you finding the products Import 250 products from oberlo to shopify 100 has already been done but needs to be split and imported ... some may need to be editided in tags and collections ...

    €173 (Avg Bid)
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    I have bread boarded a circuit that is based on a Arduino Leonardo micro board (ATmega32u4). connected to this is 5x 2pin headers for GPIO input switches. 2x 4pin headers for I2C. we also have a NFC chip connected via I2C. We need a battery charge controller that is capable of charging a 10,000mah 2 cell in parallel battery pack. all together on one board. Can you please provide a quote for this...

    €1607 (Avg Bid)
    €1607 Keskimäär. tarjous
    23 tarjoukset
    Charger PCB layout 4 päivää left
    VARMENNETTU

    Need to layout a PCB for gang charging 5v devices ( 10 devices) including a 10 port USB hub. The schematic will be provided, the size is approximately 86x 180 mm

    €336 (Avg Bid)
    €336 Keskimäär. tarjous
    59 tarjoukset

    1) Passionate and motivated mechanical engineers that have at least 3 yrs of experience in Designing Lithium-Ion battery packs. 2) Design experience in Electric vehicle battery pack design is a Plus. 3) Strong knowledge in Mechanical 3D modeling in Solidworks and/or AutoCAD. 4) Experienced in the full product life cycle from concept development, designing, and develop products in 3D CAD tools. 5) ...

    €1154 (Avg Bid)
    €1154 Keskimäär. tarjous
    14 tarjoukset

    The project is an innovation in the sciences of behavior and body language. Reconciling the two has seemed quite logical and indispensable for all people fascinated by near and far by these sciences. The user will work on his reading skills and questioning others more efficiently. It remains true that this application is not in no way substitutes for training and training in face-to-face. This a...

    €450 (Avg Bid)
    €450 Keskimäär. tarjous
    38 tarjoukset

    You must live in... Brasil, Colombia, México, Argentina, Chile, Uruguay, or another country in Latin America. ✻ OVERVIEW ✻ You do *not* need any experience. You do *not* need an Arduino. You do *not* need an ESP32. I estimate that you will normally work 1 hour/day. I will pay you hourly via Freelancer. I presume Freelancer will deduct their 10% fee. You will normally work 20 days/month...

    €10 / hr (Avg Bid)
    €10 / hr Keskimäär. tarjous
    33 tarjoukset
    Fslp code 3 päivää left
    VARMENNETTU

    Fslp code printing the position and force with the circuit schematic

    €21 (Avg Bid)
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    4 tarjoukset

    Based on the research paper, I want someone who can design the Hardware Project for engineering project. "Optimization of Solar-Wind Energy System Power for Battery Charging using MPPT "

    €107 (Avg Bid)
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    6 tarjoukset

    In the developing stages of designing a night vision accessory that involves some relatively simple electrical aspects designed around the use of batteries and powder delivery. Those interested will need to sign an NDA for more details and design specs. We have Solidworks CAD already developed for the device, but need electrical help now.

    €29 / hr (Avg Bid)
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    29 tarjoukset

    I need a javascript library that can automatically draw keypad circuit paths and output svg as shown in the image.

    €123 (Avg Bid)
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    9 tarjoukset

    You must live in... Bosnia and Herzegovina, Serbia, Montenegro, Albania, Kosovo, North Macedonia, Bulgaria, Moldova, Romania, Ukraine, or Belarus. ✻ OVERVIEW ✻ You do *not* need any experience. You do *not* need an Arduino. You do *not* need an ESP32. I estimate that you will normally work 1 hour/day. I will pay you hourly via Freelancer. I presume Freelancer will deduct their 10% fe...

    €9 / hr (Avg Bid)
    €9 / hr Keskimäär. tarjous
    18 tarjoukset
    Mini UPS Design 3 päivää left

    Mini UPS Design for Router,CCTV etc. One Lifepo4 Battery use. Router UPS Design

    €86 (Avg Bid)
    €86 Keskimäär. tarjous
    9 tarjoukset
    Build a Website 3 päivää left

    Hi, I'm Sagar Kapopara. I've started a partnership firm. We are doing business in industry and power plant segments as system integrator. I've build our website for clear resolution about work, we are doing here (Proline Systems). We are serving for Fire Alarm & Detection System, Building Automation System, Closed Circuit Television System and Access Control. Regards, Saga...

    €111 (Avg Bid)
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    9 tarjoukset
    40kHz switcher 2 päivää left

    I need a circuit that will take a pulse width modulation (PWM) 5v square wave signal at 40kHz and switch a 54vdc supply at that 40kHz. I need a photovoltaic opto coupler as a front end to the MosFET or whatever device is used for switching the 54vdc. The output needs to be a clean 54v square wave at the pwm input frequency.

    €426 (Avg Bid)
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    5 tarjoukset
    MOTOR HOME -- 2 2 päivää left

    Electrical drawings for Motorhome which will include Solar Panels, Battery Array, Controller, Inverter, Lighting, Powerpoints, Oven and cooktop, aircon and backup generator

    €108 (Avg Bid)
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    4 tarjoukset

    I want to develop a 3d Printer Circuit Board with added features as attached in the file. Need the Circuit board source file, Greber file, BOM and all other material needed for developing the board. No need develop from scratch existing open source 3d printer board could be used for the same. Also need to develop a web-app like duet 3d for controlling the 3d printer

    €273 (Avg Bid)
    €273 Keskimäär. tarjous
    5 tarjoukset
    13-16s stackable bms 2 päivää left

    Bms master slave, battery chemistry agnostic with adjustable pritection parameters.

    €773 (Avg Bid)
    €773 Keskimäär. tarjous
    6 tarjoukset

    Could you be interested in getting an extra income doing luxury shopping, in your city, in your free time? -Brands: Rolex, Chanel, Hermes, etc. -Average service duration: 60 min work. Every 3 weeks. -Standard Remuneration: Circuits of: 4 services x 60€ each one 1 service x 750€ and start again de circuit Here I leave a link with a video to help you to understan...

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    Mainostettu
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    1 tarjoukset