Ion battery charging circuits jobs

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    17,788 ion battery charging circuits jobs found, pricing in USD

    Design battery management circuit ,very low voltage

    $175 (Avg Bid)
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    8 bids

    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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    Develop A Custom Software 6 days left
    VERIFIED

    We are a custom bag and case manufacturer We are looking for software that we should be able to design cases and bags with any material and fabric color, also choose add-ons like pockets, zippers, and handles 1. We will need for this job a programmer and designer to create our bags and cases (we will have more than 50 styles to select) and all elements(mesh pockets, zippers, and handles) so we...

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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 6 days 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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    I have an app that streams video from an Android device to an iOS device via WebRTC. What I am looking to do is to add a RTCDataStream to it to telemeter data from the Android device (like GPS, video parameters, battery parameters, etc). As an expert, I think this should be very straightforward.

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    Email marketing 5 days left

    Mail chimp expert needed: To handle all my campaign from start to end , and help create a responsive HTML email Marketing and send. Kindly reply with what kind of service you can offer and the price you are charging. Speak soon.

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    Looking for a graphic designer who can work with a new software called Famous from famous.co. Helpful to know Sketch and Photoshop or some other graphic software where thee are layers to create. If you enjoy working from your home and have high speed Internet and you are ok with flexible work hours and can read and write English or French reasonably well; Est-ce que vous lisez et écrivez ...

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    I would like a field deployable data acquisition system (preferably using something simple like arduino) that will record a fluxgate magnetometer for days in the open air. If you want to look it up, this will be used for geophysics, one use will be to be a base magnetometer, which will remove for the magnetic changes due to solar storms and the second will be to record magnetotellurics, which can...

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    Touchscreen Countdown Timer 5 days left
    VERIFIED

    I'm working on a prototype for a project and I need to source a circular LCD/OLED (or similar) countdown display timer - see the attached rough sketch. The timer must only countdown days automatically, not hours, minutes or seconds, and be operated by a battery that you would get in a digital wristwatch or car key fob. It needs to be simple and basic in its functionality. If I want to set t...

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    To design a 3 kva grid interaction hybrid pure sine wave inverter with PCB, firmware design and microcontroller codes development work. The inverter should have solar, battery bank and grid are the sources.

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    Hi, 1. I want a professional engineer to design a battery charging circuit with all the protection circuits (overcurrent, overvoltage, overdischarge, cut-off, shortcircuit, etc). 2. Kindly check the attached file(fig-1), (fig-2). I have different excitation methods for piezo resistive sensor. Which one is stable and long term stability. If you have any other ideas, kindly share it. 3. I would to ...

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    Trophy icon New logo for Charge IT 20 hours left

    A car charging point installation company that i work for, Surrey Charging, [login to view URL], is rebranding as ChargeIT, so i need a new logo.

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    I'm looking to design a prototype for a smart device that i would like to patent and sell. I first need to develop the device. The device would need to an instrument to either make a liquid measurement and/or take the weight of the over product. The device would also need to report back the battery life. periodically. Each measurement would need to come online and post to an api for data ...

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    A variable DC input battery bank 24 v to 400v DC input to constant output 415v, 50hz, 3 phase output grid connecting Inverter of capability 5 kva. The input source suitable for battery bank and or solar of variable input

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    I have a project involving GPS trackers for elderly. Will like app built to monitor these devices and become an interface for changing parameters

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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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    I want to design a ultra compact 6A 80W Li-ion charger. A power electronic expert with minimum 6 years of experience is required

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    Must be Sydney based I'm looking to develop 2 similar projects using a Raspberry Pi and looking for a programmer with experience with h.264 encoding, VLC, RTSP network streaming, Wifi configuration. 1. News Gathering system - RPi running Android Using a number of existing apps to stream HDSDI video over bonded 4G connections. I have this project already working with a Galaxy 8+ but the l...

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    Need a circuit for a bicycle tail light. Operated by one push button. Low battery consumption. Led Output max 1A 5 different flashing brightness & speed settings

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    I am looking for electronics teachers in Mississauga Ontario Canada to teach basics digital and analogue circuits in a class room or one-on-one or in Labs. This is not online job and you should physically present in Mississauga, Ontario Canada.

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    We are designing an electric vehicle charging station. Whilst we have electrical engineering skills and software skills, and we are using off-the-shelf components for the DC power work, we require ad-hoc consultancy and project technical support from an experienced DC Power Engineer in order to check our workings. We typically would require an hour or two of work at a time, usually via email or a ...

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    Tanks Calibration System System Working: The Tank Calibration Unit constitutes of a Microprocessor to process all the data and simulate commands; powered with rechargeable battery, with minimum 12 hours backup; 2 line LCD to display both Level and Volume simultaneously; Keys (may be 4) to operate / configure it; one relay Output to control the pump; one Wireless module to communicate with Lev...

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    It's not easy as it's title. I want to make one wireless charging device which use to charge 3.6V button cell. Condition are:- Dimensions for receiver 20*20*5 mm. This button cell (300mAh 3.6V) should be mounted on that device (receiver). This device (receiver) should charge this cell. No dimensions for transmitter. You can build transmitter as you want. But receiver should be in giv...

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    micro wi-fi camera 1 day left
    VERIFIED

    Hi, we would like to start to produce small cameras. Cameras should have maximum filed of view. They should be with "micro" size and weight. To have battery on board able to run it for up to 4 hours. To have LED lights. To have bluetooth or wi-fi. We think that use of omnivision CameraCubeChip will be ideal.

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    PCB design & Prototype 1 day left
    VERIFIED

    I want to design PCB, prototype the board with ESP32+LCD+Wireless charging circuit. Please bid only if you have experienced in these fields. I will accept only the PCB Designer & prototype expert in China.

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    search manufacturer 1 day left
    VERIFIED

    I want 3 manufacturing options in China of these measuring stations with unit price for 10 stations with the following features: wifi connection, rechargeable battery for usb and internal storage of information for 10 days.

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    I want 3 manufacturing options in China of these measuring stations with unit price for 10 stations with the following features: wifi connection, rechargeable battery for usb and internal storage of information for 10 days.

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    We require a video that will showcase our mobile application (it's an application for roadside assistance - towing services, battery boost/replacement, lock out, car wash, fuel delivery etc): I. BUSINESS PROVIDER/PARTNER a. How it will increase their profit in addition to their normal business operations b. Ease of Joining c. Ease of Use II. CUSTOMERS/MOTORIST a. Convenience of having an a...

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    GPS Server Traccar.org 1 day left
    VERIFIED

    We have a server that is from [login to view URL] and we have made a connection between this server and our loginportal that we are using for our clients to follow gps devices and itts working. There are only small thing that are nog working good like parameters of battery sensor and timezone between the server and loginportal. Only please someone with experience and done this before can reply ...

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    Pcb Design 1 day left

    Product is minimum sized portable digital radio , Units to be inculuded are lipo battery (minimum 6 hours lasts ), battery charger , digital radio tea5767 , headset output , minimal chip which you offer (low energy consume is important), volume up , volume down , search up , search down , on/off switch , micro usb input for charge . Headset cable can be used as anten or anten out is pin out, store...

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    We make quality battery charger and batteries for the vape industry. Now we need some minority language writers to work for us, such as Spanish, Italian, Russian, German, French and Japanese, etc. We will give you some keywords and the description of the products to you then you write an articles. Of course, pictures are provided. If necessary, we can send you a sample for reference. This is ou...

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    Hello all! I need your help to read data from my MPP-Solar inverter. My goal is to close a relay when battery capacity is under 70% and open back when battery capacity is 100%. The relay is connected with a power generator. I would also like to display some data on an LCD screen My hardware setup is an Arduino Mega connected throw serial1 to a MAX3232 module which is connected to the inverter&#...

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    I have a client who sells Tires, batteries, and auto repairs at several locations and every month they do a benefit to support a different charity. They donate $1 of every oil change to the chosen charity for that month. They call IT "WE DRIVE THE CHANGE". They have a section that goes out on their flyer every month in relation to this great cause. They are in need of a LOGO for the ...

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    Project for German freelancers only Hello, I need support on the review and optimization of an existing C-software running on a MSP-430. The functionality system includes: - GPS - GSM-Modem - Display - Bluetooth The software running on it was designed by myself with very limited time resources. It has a solid state machine, but some parts are hacked. The software is now running on about 150...

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    low wattery 17 hours left

    the people care about their battery but they are not care about the water. so i want to show them the earth waters are necessary.

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    I have a new business and a website. I want to Implement into my site a quick and easy way for customers to write text and upload photos that I will print out and mail for them. I Wil be charging them for this service. I have a host (in motion hosting).. I have setup woo commerce but I will change it for whatever works with what I'm trying to accomplish. . 1st the user should be required to ...

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    Trophy icon Design flyer for BNA battery 11 hours left

    We are a new company in the market and we want to let potential customers know ‘we are existing’. We want to design a flyer to share on the street or put it on the cars of hybrid drivers, where they can see our start price and general branch cars (Toyota, Lexus, Honda). We have a website where you can use everything to make a good flyer. [login to view URL] We want to see on one si...

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    I'm the founder of a startup in Edinburgh. Over the last 3 years I've worked alone developing a multi-speed gearbox for ebikes. For a number of years I have also been developing a design concept: a small, low drag & lightweight 2 seat battery powered EV. The goal: to develop an affordable (£10-15k MSRP) mode of transport which achieves ultra low kWh/km compared to existing EV...

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    Our technology allows opening doors using just face recognition. We want to design a small IoT device that can listen to unlock commands from the API, once a person in authenticated, and unlock doors, either through an electrified relay or through a wired connection to an access control panel, which uses Weigand protocol for receiving RFID badge reader data. I am looking to build an IoT device th...

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    I need PCB designed for a compact wax vaporizer, It will need to accommodate for micro USB charging, Lipo protection, and storage, Connect to a 510 thread cartridge, modified audio sensor which detects the sound of suction. Its a very basic PCB design and I'm sure plenty of resources online have references. I am unfamiliar with this concept so I'm hiring it off. Here's a start: [l...

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    I am looking for a professional to assist in crafting an "about us" section of a website for a new subsidiary of an existing company. The subsidiary is in the same industry with the same product, the only difference lies in that the new company will be selling at a lower price; direct from factory to consumer. The concept is cutting out the middlemen. Thus, content should be similar to t...

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    I need a new circuit board for fast QI charging using the Semtech TSDMTX-5V2 chipset (circuit info here: [login to view URL]) and a yet to be determined PoE power circuit. You will help pick out the PoE power module based on what the Semtech QI board needs for full a fast charge. The final delivery will be Eagle CAD files with full BoM.

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    Build an electronic shopping trolley for elderly people to help with stairs. Like electric bikes, with battery. Further information of the prototype will be available in enquiry.

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    We are looking for a wireless sensor PCB layout and firmware to drive it. The device should use the eRIC-LoRa radio module from [login to view URL], to transmit distance measurements, measured by ST's VL53L0X sensor. The device needs to have a low cost ARM MCU, be powered by a non-rechargable AA 3.6V lithium battery (already sourced), RA edge mounted SMA connector for the antenna, read sw...

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