Ion battery charging circuits jobs

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    19,963 ion battery charging circuits jobs found, pricing in USD
    GPS Tracker 6 days left
    VERIFIED

    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 ...

    $182 (Avg Bid)
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    2 bids

    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. ...

    $29 (Avg Bid)
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    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 ...

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    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...

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    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...

    $1050 (Avg Bid)
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    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...

    $1833 (Avg Bid)
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    2 bids

    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 ...

    $400 (Avg Bid)
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    12 bids
    Road Side assist 6 days left

    mobile app just like uber. user select type of service "Towing, battery boost, fuel [login to view 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.

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    two circuits. examine operation and properties of MOS transistors and simple MOS transistor circuits( model MC14007), and Identify the MOS FET parameter λ (lambda) from the plot, Record the numerical values of ID vs. VGS., Find the transconductance parameter and the threshold voltage from this plot

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    working on labs that contains NMOS, PMOS and diodes

    $15 / hr (Avg Bid)
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    2 bids

    Working with electronics labs that contains PMOS and NMOS and Diodes

    $398 (Avg Bid)
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    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 ...

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    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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    We need a Cordova Plugin to integrate iZettle SDK for Android and iOS devices. Provide sample app cordova project. Using latest SDK versions. ios: iZettle sdk-ios v3.0.0 android: iZettle sdk-android 1.5.6 # SDK Operations include: - Charging - Refunding - Retrieving payment info - Aborting operation - Enforced User Account - Programmatically logout - iZettleOperationCompletion; iZettlePaymentIn...

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

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    Web design 6 days left

    We are a webshop that sells charging cables for electric cars. I need a popup on my website that let the visitor type in their vehicle name and then shows the correct cable. So link Car Name to Product > Costumer sees popup and types in vehicle name: correct cable shows up I'm running on shopify. I want the popup design to look like attached image. Max €80,-

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    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 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.

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    I'm civil engineering student 3rd year, I know Ms word, Ms execel, power point and PDF converter, I'll charging you minimum and I'll do your work before time.

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    We work on selling our service to gyms and fitness centers. Our service helps them in maintaining all records in their phones, no need for a notebook or anything. Besides this, we also list them on our platform and help them in increasing their customer reach. Our service is monthly paid bases and We are willing the give first-month payment to whosoever brings them on our platform. We're char...

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    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

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    I want to make a unique charging cable- the mobile must work with one specific cable. This can be made by APP or electrical components in the cable.

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    3 bids

    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

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    We have everything we need to build the world's first & lightest weight multi-purpose hybrid electric self-charging solar tricycle, but we have not yet settled on the design of the body, so we need a sexy 3D design/render, taking bits & pieces from already available tricycles out there, but without any design infringements of any vehicle out there. Images are included of what we...

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    hey would like to hire an experience DL expert to solve my problem.......

    $8 - $15 / hr
    Sealed
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    Design a controller for an elevator, with the following specifications: • elevator can be called to any floor, by a button on each floor • elevator can be sent to floors by 3 buttons in the elevator • sensors (button) on each floor indicate if elevator has arrived, or is passing by • indicators on each floor and in the elevator of present elevator location (3 LEDs) • order...

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    sensor testing, nrf52 programming. optimizing battery performance

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    sensor testing, nrf52 programming. optimizing battery performance

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    I would like to redesign our company's website ([login to view 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: [login to view URL]

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    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...

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    16 bids

    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...

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    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...

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    Hi guys, I'm looking for a logo wich can be used for my LTD. The domain is auto electrician and I'm thinking to use a car image with with some circuits conected, or a man with a laptop in his hands nearly a car doing a diagnosis or something else wich is representing the domain idea (feel free to improve your imagination and ideas). Thanks

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    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...

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    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, ...

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    6 bids

    I want to make a unique charging cable- the mobile must work with one specific cable. This can be made by APP or electrical components in the cable.

    $181 (Avg Bid)
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    power pcb design 2 days left
    VERIFIED

    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...

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    PCB design 2 days 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!

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    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...

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    Micro PIR Sensor 2 days left
    VERIFIED

    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...

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    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

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    1 bids
    LED Bluetooth Keychain 1 day left
    VERIFIED

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

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    PhD with experience who has expertise in the area of flexible energy harvesters such as TENG and Piezoelectric Energy Harvester based on micro/nanostructures, power management, conditioning electronics and circuits.

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    Hi, We're running several internet projects (which are going quite well, one service has 1m users, and another one has close to 300k websites using it) and are looking for a skilled PHP / Laravel developer to add to our dynamic team. Tasks will include: - Implementation of various modules for our SaaS services - API integrations (and creations of our own APIs) - Many other tasks (depending ...

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    I am looking for someone REALLY quickly. If you're familiar with AWS Services and have a little Wordpress know-how than this should be relatively simple, and an easy payday for you. Bulletpoints} -I have a Wordpress website setup on my own VPS host. -Separately, I also have Amazon AWS. -I am using FV Player (Reference: [login to view URL] ) -This Wordpress plugin has MANY options to make t...

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    I am looking for someone REALLY quickly. If you're familiar with AWS Services and have a little Wordpress know-how than this should be relatively simple, and an easy payday for you. Bulletpoints} -I have a Wordpress website setup on my own VPS host. -Separately, I also have Amazon AWS. -I am using FV Player (Reference: [login to view URL] ) -This Wordpress plugin has MANY options to make t...

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    Hi We require Experience and Enthusiastic Faculty to teach Physics Classes for our Online Tuition Centre based in Telangana. FACULTY SHOULD BELONG TO TELANGANA STATE OF INDIA (Hyderabad or any other city of State) 1. Faculty should be Msc and have minimum 5 Yrs Experience. 2. Should be patient to teach as students forgot their basics due to no school since last 6 months. S3. Should explainphysics...

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