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    16,684 lithium ion battery charger schematics jobs fundet, i prisklassen EUR

    Picture editing for phone charger etc.

    €17 / hr (Avg Bid)
    €17 / hr Gns Bud
    1 bud
    GPS Tracker 6 dage left
    VERIFICERET

    I would like proposals to build a GPS tracker (hardware) as physically small as possible. The idea is to use the tracker to locate physical assets within an organization across multiple locations. I am looking to create a small flat or cubic unit, no more than a couple of centimeters in size which can be attached/concealed inside assets Battery life will inevitably be an issue. The unit would ...

    €189 (Avg Bid)
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    1 bud

    I’d like help in designing a micro circuit with rechargeable battery that, with a switch or button push, will run a small load (>0.2A, 5V) for a duration of either 4 or 8 hours. The pictures below are from an off-the-shelf product that has the desired timer functions (this one has 2, 4, and 8 hour timer options). This (pictured) circuit has an IC, resistors and capacitors but no relay. ...

    €27 (Avg Bid)
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    8 bud

    Use of a 12V SLA Battery to charge a 450V 2700uF Capacitor with a 45V-390V ZVS Capacitor Charging Module to fire an Electromagnetic Solenoid using Arduino with a MOS Driver Module IRF520. I want to use: Arduino and use the full capacity of the Capacitor. Standard 5V relays (with Arduino) only go to 250V. Instead I have the MOS Driver. Problem is I don't know how to connect the Charger + Cap ...

    €114 (Avg Bid)
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    8 bud

    It is necessary to develop a device based on the ESP8266 or ESP32 module, which will collect data from a water flow sensor (pulse output) and a TDS sensor (analog output), and then transfer these data to the server (MySQL, MQTT or other). In addition, it is required to transfer some additional technical parameters to the server (MAC address of the module, IP address, WIFI network name, password of...

    €1009 (Avg Bid)
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    9 bud

    We are a startup from India developing lithium based energy storage solutions for electric vehicles and passive storage applications such as solar storage and UPS. We have developed a 4-cell BMS for 12.8V LFP batteries in-house post which we would like to incorporate some additional features in the current BMS design and develop a 15-cell BMS for 48V applications based on the current design. The s...

    €820 (Avg Bid)
    €820 Gns Bud
    2 bud

    We are a startup from India developing lithium based energy storage solutions for electric vehicles and passive storage applications such as solar storage and UPS. We have developed a 4-cell BMS for 12.8V LFP batteries in-house post which we would like to incorporate some additional features in the current BMS design and develop a 15-cell BMS for 48V applications based on the current design. The s...

    €1402 (Avg Bid)
    €1402 Gns Bud
    1 bud

    I am looking for an electronic design using 'minimalistic components' to improve battery balancing. The circuit will be embedded inside the battery with not more than one communication cable between the batteries. 1. The balancing should work both series and parallel connected batteries / battery strings. 2. The battery current has built in sensors for current and voltage. 3. The ...

    €327 (Avg Bid)
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    9 bud
    Road Side assist 6 dage left

    mobile app just like uber. user select type of service "Towing, battery boost, fuel [log ind for at se URL]" and closet truck will come to help. if user select towing, it will be two ways, if select fuel, it will be one way. user can have multiple cars, but only verfied cars allowed to use the service. truck driver must be able to take photo when reaches customer car location.

    €964 (Avg Bid)
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    18 bud

    We need bulk quantity of customised mp3 player - should have followed features. 1. LCD / LED display required (where playing file name should be displayed) 2. 8GB Internal memory SD/TF card is required ( Thats predefined content - user wouldn't be able to remove or tamper the content) 3. USB port 4. A good quality speaker (3W / 5W) 5. Battery back up and adaptor (Minimum 4 hours battery back ...

    €2152 (Avg Bid)
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    4 bud

    I need you to develop some software for me. I would like this software to be developed for Windows using Python. Need data extraction from redbubble site Category based info to be extracted in excel Category, sub category, product title, item description, features bullet points, image urls of enlarged images. Image urls to be converted to imgbb (direct links) Ip rotat ion to be implemented wi...

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    Title: Fusion Wireless Earbuds Are What Your Life is Missing Category: Stories Anchor Text: TWS Wireless Earbuds, Fusion Wireless Earbuds, etc. Purpose: Give a detailed description of how Fusion Wireless Earbuds plays an important part in your life. Main Contents: Section 1-Wireless Earbuds in daily life. Section 2-How does Fusion Wireless Earbuds make a difference in your life in every way: des...

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    English or Español. Be sure you understand all details. I need PCB design for Solar panel circuit (21V) to charge Litio battery (3.7V -4.2V). -PCB 2 layers in KiCAD -I'll provide PCB shape in KiCAD file -I'll provide actual PCB circuit in KiCAD file -PCB dimensions less than 90x90mm (has enough space) For now I have one circuit done in KiCAD but there is something that not wo...

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    15 bud

    Induction type plate charging system for Lithium Ion batteries with heavy density charging capacity

    €89 (Avg Bid)
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    4 bud

    I need an electric scooter design, non folding with lights front and rear, the break system and, for adults, with minimal frame or fluid design and compartment to store the battery, with the docking station and charging component to be manufactured.

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    I want someone to redraw 10 simple schematics in a more modern style. Each schematic should be a vector file suitable for an A5 page. I need someone to be able to complete the work in a few hours. You can see the schematics here: [log ind for at se URL] The schematics are on pages 5 and 6.

    €114 (Avg Bid)
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    20 bud

    I want a simulink model of Lithium ion battery in its basic model, thevenin model and dual polarisation model and everything must clearly explained like State of charge, Charging and discharging resistance, Open circuit voltage, etc.

    €323 (Avg Bid)
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    4 bud

    hey everyone i am looking for someone to promote my youtube channel and get youtube requirements for mon ne tizat ion. i want my channel to be mone tized

    €3 / hr (Avg Bid)
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    20 bud

    hi i want buy product from china and i want someone remove the battery from it(desoldering the battery) because shipping battery forbidden..easy task -desoldering the battery

    €99 (Avg Bid)
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    11 bud

    Hello, We have a completed project that we need an electrical engineer to review and select correct parts as listed by the manufacture. I will provide the BOM, Gerber, schematics,

    €13 / hr (Avg Bid)
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    24 bud
    nrf52 expert embedded programmer 4 dage left
    VERIFICERET

    sensor testing, nrf52 programming. optimizing battery performance

    €431 (Avg Bid)
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    12 bud

    sensor testing, nrf52 programming. optimizing battery performance

    €172 (Avg Bid)
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    4 bud
    Redesign and redevelop our website 4 dage left
    VERIFICERET

    I would like to redesign our company's website ([log ind for at se URL]). The company's business is the smart home battery storage system with IoT systems, AI, cloud platform, home energy management, energy monitoring, reduce energy cost and CO2 footprint and energy forecasting. Reference website: [log ind for at se URL]

    €186 (Avg Bid)
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    34 bud

    Be sure you understand all details. PCB design for Solar panel 21V to charge Litio 3.7V battery. -PCB 2 layers -PCB shape will be provided in KiCAD -PCB dimensions less than 90x90mm For now I have one circuit done in KiCAD but there is something that not working properly. Now 4.2V is provided as output but when we connect the battery doesn't reach more than the battery voltage. Project ci...

    €58 (Avg Bid)
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    16 bud

    Does anyone has the experience to make a DIY Powerwall (suitable for Power output 2000W) using 18650 lithium ion cells? I want to make this one for my house and ready to pay for that effort. The idea is to make the Powerbank and be compatible with any commercially available inverter in India. Following items are also required to give you an idea : Amass XT60PW Plug Connector XT60 20PCS Pitch 2.5...

    €582 (Avg Bid)
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    8 bud

    Design a smart glass with CAMERA Hardware Technology: Bluetooth, Thermal lens, Ultra-slim battery. Basic Details: Project can be done by a freelancer or group of freelancer Type of Freelancers required: PCB Designer, PCB Integration, 3D Product Designer, App Developer (iOS & Android) Note: Total 3 Freelancers/Group of Freelance will be working (Software Developer, 3D Product Designers & P...

    €163 (Avg Bid)
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    6 bud

    Thank you for considering to participate in the contest. If you can think out of the box, have a creative mind then this project may be for you. This is a contest to suggest a unique name for a company OR A UNIQUE PRODUCT NAME for Electric Vehicle charger. Such as Apple has products such as the iPhone, iPad and Macbook, you can suggest me a unique and smart name for vehicle charger which I c...

    €40 (Avg Bid)
    Garanteret Forseglet
    €40
    143 indlæg

    Looking for an electronic engineering company to create an intercom system using mobile technology (3g~4g). The system should be two way with battery backup for about 4 hours in case of power failure. Over and above the normal two way communication a sms will be sent to different numbers when ever there is call from the system. We should be able to program the numbers to be dialed out and sms to, ...

    €841 (Avg Bid)
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    5 bud
    power pcb design 3 dage left
    VERIFICERET

    Hello everybody, I posted this project yesterday and it was general now I want to give the specification: I have designed the PCB using Altium design and manufactured the PCB, so I’m looking for someone who can assist me in the development of the firmware of a battery bank using CCGP3PA IC and the southchip buck/boost. 1) firmware development (C/C++, I2C) 2) PCB design knowledge is a must i...

    €150 (Avg Bid)
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    29 bud
    PCB design 2 dage left

    We are developing ESP32 based device, at the moment we have working prototypes using several microcontrollers (ESP32, accelerometer, SD card slot, RTC, GPS + battery and solar panel) and the idea is to transfer this project to one PCB. We are happy to hear from you!

    €87 (Avg Bid)
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    39 bud
    Design SMPS board and charger 2 dage left
    VERIFICERET

    1.I need SMPS board design (for computer) [log ind for at se URL] design

    €5 / hr (Avg Bid)
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    9 bud

    We are part of a US based electric vehicle manufacturing company in Ohio and Michigan. We have developed a family of small cars and trucks in the US Low Speed Vehicle market. We have not started production due to lack of funding. We are updating our Bill of Materials and need to get quotes on wiring harness and battery cables. Our EV's are very simple but we use many parts from other compa...

    €990 (Avg Bid)
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    19 bud
    Micro PIR Sensor 2 dage left
    VERIFICERET

    I would like to develop a micro PIR sensor that runs with very low battery. These devices are now becoming readily available in China with long ranges (500 ft) and are very inexpensive ($3). The boards are based on 433 and other frequencies. I would like to make a very small version that is inexpensive, with a narrow angle and long distance for targeted security outdoors. Looking for some tha...

    €91 (Avg Bid)
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    9 bud

    hi i want buy product from china and i want someone remove the battery from it(desoldering the battery) because shipping battery forbidden..easy task -desoldering the battery -desoldering the mic -desoldering the camera

    €8 (Avg Bid)
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    1 bud

    This is a special kind of charger with a special kind of winding system. We will provide you the rough sketch. Requirement - 1. Identifying the combined dimension 2. Creating 3D model and construction design for prototyping and plastic mold making. Sign NDA and send it back for the rough sketch. The employee will be connected and communicated through companies internal software. Type ...

    €140 (Avg Bid)
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    26 bud
    LED Bluetooth Keychain 1 dag left
    VERIFICERET

    Looking to create prototypes of battery powered Bluetooth enabled keychains with LEDs that communicate to one another via a cell or web-based app.

    €31 (Avg Bid)
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    10 bud

    I’m trying to create a small device (keychain) size with different LED lights on it that communicates via Bluetooth to a phone and receives a signal from an app — the app would change LED colors based on input from another user on another device. Basically: 1. Keychain 1 button is pressed 2. Keychain 1 sends that signal via Bluetooth to cell phone 1 3. Signal processed by app on cell ...

    €17 (Avg Bid)
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    2 bud

    I have electronics design for LoRa based Animal Tracker Collar Device. Want someone to help me designing a Case (waterproof) & PCB for it. This product include Microcontroller (STM8l) + LoRa radio (LR1110) + GPS + Body Heat Sensor (TSD305-1C55 ) + Battery (18650A x2). Batteries should be placed in a such a way so the devices stays in position as described in the attached image because it wi...

    €156 (Avg Bid)
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    23 bud

    I am using an MCP3424 ADC in a project (a simple Arduino shield), and see it fail more often than I would like it to. I would like someone to take a look at my schematics and PCB design, and check that there are no obvious errors that could lead to the ADC chip being damaged. I have some suspicions that the problem could be related to either ESD damage or spikes on the power rail, but don't k...

    €70 (Avg Bid)
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    20 bud
    hp 15 laptop charging problem 1 dag left
    VERIFICERET

    when i plugged in laptop the light come on and it start to charge. if i wait it fills the battery no problem. when i power on like this, it turns on but power stops charging. when battery is out, the light for power comes but the laptop doesnt turn on

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    3 bud

    Build an API in AppSync that uses approximately 10 types. Most of the relationships between the types are one-to-many, there are a couple of many-to-many relationships. The API will use DynamoDb for the backend, and Cognito for user authentication. Recommend best practice for integrating Appsync API with Cognito to query user custom attributes. For example, we need to decide whether custom use...

    €35 / hr (Avg Bid)
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    11 bud

    I need to write a code for a NodeMCU to connect to Blynk. The components in the system are as following: 2 IR E18-D80NK (IRSensor_1 & IRSensor_2) 2 Relay Modules (PumpRelay_1 & Pump_Relay2) 1 Ws2812 x24 Neopixel compatible (Led) 1 Push Button 1 1.44" TFT SPI Display The IR and Relay works as an independent system. Whenever IRSensor_1 detects and objetc (Serial print: "Hand dete...

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    hey guys, we need creative furniture product designer. the first project is a TV Lowboard - with Hightech SmartFunctions. eg. qi charger, powerstrip, USB ports. you have all freedom. be creative and create an unique furniture. 3D with different angles please.

    €120 (Avg Bid)
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    I'm currently doing my final year project on smart solar street light. The main objective would be to make an solar street light connect to the internet or IoT. Through IoT i would like to monitor the power and energy consumption of this street light. Right now I have a street light which is powered by a 3.7V battery and the battery is charged by a 10W solar panel. I would like to use an esp3...

    €153 (Avg Bid)
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    Power board required to design layout in Altium designer. Ckt drawing is ready. You just need to create schematics and layout. Very less work in it and may be finish it in 1 hr.

    €16 / hr (Avg Bid)
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    8 bud

    We are a US based e-commerce company looking to launch Alkaline batteries . For this we need battery label design and packing design . Who have experience in battery design will be preferred .

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    19 bud

    i would help with a thesis on hybrid system (Solar (PV) and Energy Storage (Battery) and the case study is in Africa. I have divided the project into sections Introduction, Literature Review the next stage of the methodology and result which will require the use of HOMER these are the parts 1. Introduction 2. Literature Review (i. review of related works (just 4) ii. specific objectives iii. met...

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    Sponge Bob Udløbet left

    Automotive detailing, shirt logos, want a sponge with a smiling face ( female) standing on top of a Dukes of Hazard dodge charger, Shirts will be RED in color

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    Create python script to insert 50MM document in MongoDB, fields in the json should be random with 10 data of variation. Reference: You can generated different data using this website. [log ind for at se URL] Delivery: - Python3 script with databaseConfig inside. - 2x Printscreen of how look you CPU/Memory in the Insert process (Using htop linux command is ok) and other with the same script in pa...

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    10 bud