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    25,760 lithium ion battery charging circuit design jobs found, pricing in USD
    Signal Circuit 6 days left

    I am looking for an Electrical engineer who can design circuits to transmit signals over A/C wires. Prefer to work with someone in the DFW area, but other area OK.

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    APPLY WITH YOUR CAD MODEL AND WILL HIRE YOU FOR PRINTING FREELANCER WHO SUBMIT THE BEST DESIGN WILL GET MORE PROJECTS need a new stylish power bank case design, need space for 4nos of 18650 cells, and electronics a slim design two USB output ports one charging port (provide 5 mm hole) power button material: PLA /ABS MUST DO FINISHING AND PAINTING TO GET THE SHINY LOOK the design should ...

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    From the circuit schematic file attached create: * an Eagle schematic file * an Eagle board file (no copper pour) Components: CIN, COUT - 220uF/50V 10*10.5mm SMD C1, C2 - 0805 Footprint L1 - SLF12575T-470M2R7-PF 2K7 - 1206 Footprint 49K9 - 1206 Footprint D1 - SS54 XL6019 - XL6009 (datasheet attached) The files must be compatible with Eagle version 9.3.

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    We need PCB layout of the above mentioned board as well as possible schematic capture.

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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 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) - Further development of our WordPress...

    PHP
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    My work is on EV charging station please quote with Content writing also

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    Hi, I need to emulate a crystal oscillator circuit (attached) based on wave digital filter (WDF). Basically we aim to have WDF emulation that match a Spice simulation (e.g. in Cadence). I Already have the circuit simulated in Cadence (the output attached) . Attached, my circuit (Crystal Oscillator) schematic that needs to be mapped to WDF along with its output waveform, you will notice that there ...

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    digital circuit 6 days left
    VERIFIED

    Digital circuit questions about: - Testing logic circuit - Synhronous sequential circuit - ASynhronous sequential circuit - Arthmetic circuit

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    Hi, I have a small diy camera module which I want to remotely turn it ON and OFF (see pics). The camera is powered with 3.7V battery. I have limited space so whatever I have to solder to the camera or add to my project should be with the size not thicker than 4mm with length and width of 27mm. I am looking for someone who can tell me what kind of parts I need and how to wire them to my camera. I ...

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    Hi, we are looking for Mac OS GUI based Application to build Android App Automation tool with adb libraries Android SDK. we want to read the app info, measure the CPU performance during screen transition,Memory Usage, drop down list of android command tools like adb, Network information and Battery consumption while using the App and port that info into the GUI Tool. (Device connected to system vi...

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    Hi, i have a set of circuit analysis problems . I have all these on papers. Some one who can convert these problems into interactive animated videos would be helpful. Only ping me if you can complete the task with a maximum deadline of 15 days

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    Hi, My IC is Pic16f676. See My Attached Picture for Details.

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    I’m looking for an experienced electrical engineer who can help me with demands daily activities in different electrical engineering, PCB design and microcontroller tasks. The preferred candidate is for an engineer who has experience with STM32. Following are a few tasks that I am working on and probably I will ask for consultation and circuit design: - Amplification of piezoelectric signal...

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    creating an circuit using information based on basic and operational amplifier

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    I am looking to have a small mini microphone built with bluetooth capabilities powered by a lithium ion battery. I would like one built along with a full build order.

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    I'm a General Contractor for a condo association (and owner of one of the homes here). We'll be putting in a EV charging station. The first obstacle is that our Dept of Water and Power needs to see load calculations. Our building was built in 1990 and we have a blank meter spot. We have a 600 amp master breaker with 17 meters—14—60 amp, and 3—70 amp. An easy to work w...

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    I am looking for someone to design a simple high side PWM circuit. This will be running at 12-15vdc and could theoretically have a load of 15A max. It can't be low side because the negative terminal of my PWM controlled device is grounded to the frame. I prefer Kicad, or Fritzing as those two are easiest for me to customize my board layout in. If you can make the circuit entirely using digike...

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    Trophy icon 3D Street view mock up needed 11 hours left

    Looking to create a 3D mock-up of how an Electric Car Charging Point would look on the street. I have attached photos of the type of charging point wanted in the mockup. I have also attached the basic layout that we are looking for, there are 2 types (for layout 1, the screen is single-sided and should only face the footpath. For layout 2, the screen is on double-sided). And I have attached a Go...

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    Hi Ion S., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

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    Solar LiPo Charger board 4 days left
    VERIFIED

    Wanted is design, schematics, PCB layout and working prototype of a solar LiPO charger board. Documentation of all used parts as well as schematics and layout has to be delivered along the gerber files, a BOM list and a working prototype. The specs are as follows: Minimum requirements: - 1V .. 3V input from a photovoltaic cell - charging of a single cell LiPO battery 150mAh .. 500mAh capacity -...

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    pcb arduino nano pinout 4 days left
    VERIFIED

    make arduino nano pinout gerbers, with atmega328p-pu, it has to adapt the arduino standalone including crystal circuit, reset push button, led, and 7805 regulator, input voltage with pads. match the analog digital pins to pinout

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    Hi,freelancers! I need 3KV Inverter be able to use the multi-port for 1kv Solar panel , Wind generator , Diesel generator , Battery charge. If this project interest , prepare of experience project this ago. Once , if I am hired any excellent freelancer , I will discuss more kindly and provide of attachment. Thanks for your attention.

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    Website re-design (urgent) – English Job category: web design Description: We are looking for a web designer who is proficient in both English (and maybe add Chinese later). The designer needs to re-design the official website completely with 6 page tabs below, (details to be provided in our layout plan later) 1. About us (company info and milestones, mission/vision etc.) 2. Management t...

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    Research Paper on EV (electric vehicle) charging stations globally o Where o Who is the network owner o Size of the network o Specifications if available max 2000 words

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    I'm a research and development engineer looking for increasing and encrypting the signal of nRF24L01 or HC-11 Modules for a research. - The signal must be increased in range from 10 Km up to 30 Km. - It must be NLOS. - Must be encrypted with a high and secured encryption. *You have to* : 1- Submit a research paper that include the explaining of the project you did in details. 2- A schematic...

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    Seeking a freelancer to design our project. We wish to take readily available scales the have BLE 4.0 and leverage the new BLE 5.0 protocol to implement the mesh and beacon abilities within the product development. The scales we have access too, already have the ability to send weight we want to add temperature and battery/charger voltage to be sent to an app we want to develop. The micro-cont...

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    Hi, we are looking for Mac OS GUI based Application to build Android/iOS App Automation tool with adb libraries & xCODE instruments. we want to read the app info, measure the performance during screen transition and Battery consumption while using the App and port that info into the GUI Tool. Device connected to system via USB which is fine. Please submit your proposal with simple doc how yo...

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    Wanted Pedal trike tricycle for cross country battery powered too. Design , fabricate and deliver prototype. Should be near Delhi, Punjab or within india.

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    Hello Prospective Content Partner, We are a startup, currently looking for versatile, motivated, and talented writer(s). VERY VERY IMPORTANT: We need only those writers who can deliver a minimum of 1000 words per day and can work with us for at least 1 year. “If you are someone with busy schedule like normal job or academic responsibilities, Do Not Bid on this project.” --------...

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    Hi, I need a developer who can help me to install SSL certificate for my website. The domain and the SSL provider is: Namecheap the Server type is: Amazon EC2 server Please let me know if you are interested and what would be you charging for the service.

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    Build me a circuit 2 days left
    VERIFIED

    I want electronics person to design the circuit as shown in the attached file and also help me in code fixing.

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    Hi, i want a Eagle Design Block of a 15A 24V 6 Cell Li-ion 18650 battery protection board. High current protection board with continuous 15A [login to view URL] must be design in Eagle so i can import it easily to my project. -Discharge protection / Overdischarge protection -Overcharge protection -Charge protection -Short-circuit protection -Temperature protection

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    Required a DC led driver with built-in rechargeable circuit. In case of lost electricity it powers up and when the power is available then it should get charged and light as well. Mainly focused areas are 1. Good Protection from high voltage 2. Cut-off when the battery is full 3. auto switch to battery or DC power source. 4. Power rating for LED is DC 20W, 28-32 Volts with 600mAmps. [login to view...

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    Hash Tables 2 days left

    CISS-111 Project 6 Write a Java program to demonstrate using hash tables. Doing more file processing, you will read in a dictionary file, [login to view URL], and use its contents to spell check a file, checkme, that is provided on the command line. This project is not an in-depth, comprehensive program in the nature of root words, tense, plurals or endings. Rather many words of varying form...

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    Senior UX/UI Designer 2 days left
    VERIFIED

    - Senior UX/UI designer for a running project with an automotive client - Start of the collaboration ion the 12th of August (we have a few days of flexibility) to start the onboarding and support design stream - Duration 4 Months with possible extension - It is a Full-time project, it would require 5 days a week of involvement. The primary work location is Munich Futurice office. - The...

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    I need a tally counter for creating donor sites during hair transplantation surgeries. I need the schematics and code, since I don't have the time to work on them, but I can build the device myself. Basic functionality: The patient has an electrode (ECG electrode) on his hand. The other end of the wire is connected to a needle used to create donor sites on the patient's head. When the n...

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    I am looking for someone with USB protocol experience to write a small program which can be merged into my existing Arduino/Atmel source. I am new to the USB protocol and not having much success finalizing this portion of the code. Specifically, I am having trouble resuming USB communication after the chip is put into a low sleep mode whilst simultaneously running from a Li-Po battery source, and...

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    This project is for a compact human motion detector using PIR sensors for detecting when someone has gotten up from bed or is in danger of rolling off the edge of the bed. The recommended design is using 1 PIR sensor at the top for detecting sitting up, 1 PIR sensor to detect falling off the left side edge and 1 PIR sensor to detect falling off the right side edge. A receiver box will receive a ra...

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    Hello guys, I have many YouTube channels for which we need logo around 25 logos We need logo for mobile battery selling companies Payment - 12$ per logo But we need first logo as a sample (not paidd,) You need to send logo without watermark for sample, once we see sample logo is up to the mark then after, we will create milestone for next logos but first logo is not paidd then only bid thanks

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    Hello guys, I have many YouTube channels for which we need logo around 25 logos We need logo for mobile battery selling companies Payment - 12$ per logo But we need first logo as a sample (not paidd,) You need to send logo without watermark for sample, once we see sample logo is up to the mark then after, we will create milestone for next logos but first logo is not paidd then only bid thanks

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    Design battery management circuit ,very low voltage

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    Hello, I am looking for some proven to sell e-books for Smartphone Niche including the sales page. For example: - How to keep your phone safe - How to protect your phone from being hacked - How to make your battery last longer - DIY guide on how to fix your screen, debug, etc.. Language : French or English

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    Hello Urgent requirement of circuit design and analysis project to be done by 17th July . apply asap if you are ready to start immediately

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    We are looking to fix our application bugs and add additional features: Bugs: High priority – Must be completed in 5 days. 1. Computer Login. When using the login name and password to connect to a computer, and after sending the data the first time, it doesn’t connect to the folder anymore. 2. Computer Login. Cannot connect to computers with a domain. 3. Computer login. Cannot delet...

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    What I want is a simulation(proteus, matlab). It can be divided in to 3 part or more. 1: Solar energy is converted into electrical energy to supply large battery energy storage devices then supplying 230V AC 2: Substation's electrical energy converted to 230V AC 3: compile code by using a microcomputer like Arduino Programming software(MPPT method=Perturb or observe or Incremental conductance...

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    MCS Rebrand 1 day left

    I would like someone to take on the entire project in increments. So I pay one increment at a time at say $20AUD each time approx. Happy to pay for the quality. Would like to see a watermarked image in advance. $22 USD each incremebt x 8 $176 USD. 1. Main Logo (With MCS "mint car solutions") 2. Two minor logos (MCS Batteries, MCS Rental Vehicles) 3. A document letterhead 4. Design for ...

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    We need computer repair technicians/specialists to do on-site PC repair services in Jakarta. As part of this project, freelancer needs to take following steps: - Call the customer and agree on a schedule when you would visit client location - Visit the location which could be 15 - 20 km away. Freelancer to use his own conveyance - Deliver the on site work [ could be 2-3 hours ] -...

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    I have some literature written in Russian and I need someone to do a creative writing / social media posts in English based on that literature. Please let me know how much you are charging per 100 words of writing as I do pay by the words. I also require fluent and practical English

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    The car runs on 6.4V battery. It is all wheel drive car - all four wheels turn when throttle is pushed to drive forward or backward. There are two motors that allow to achieve this, one is located at the front of the car and the other one is at the back of the car. These two motors work fine and there is no issue with the the forward and backward movement. The problem is that the steering wheel o...

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