Battery charger design työt

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    10,775 battery charger design työtä löytyi, hinnoittelu EUR

    Want to create wikipedia page for the company "ROIDMI" : [kirjaudu nähdäksesi URL:n] We belong to XIAOMI Ecosystem. We manufacture cordless vacuum cleaner, air purifier and car charger. Looking for someone who has experience writing Wikipedia page in English.

    €321 (Avg Bid)
    €321 Keskimäär. tarjous
    13 tarjoukset

    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 ...

    €192 (Avg Bid)
    €192 Keskimäär. tarjous
    3 tarjoukset

    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...

    €608 (Avg Bid)
    €608 Keskimäär. tarjous
    13 tarjoukset
    Design me a prototype 5 päivää left

    What I’m really looking for here, is a product that connects to a Power plug, to be able to connect to a car charger. It is a small device. Let me know prices!

    €107 (Avg Bid)
    €107 Keskimäär. tarjous
    12 tarjoukset

    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.

    €162 (Avg Bid)
    €162 Keskimäär. tarjous
    11 tarjoukset
    Solar LiPo Charger board 4 päivää left
    VARMENNETTU

    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 -...

    €347 (Avg Bid)
    €347 Keskimäär. tarjous
    16 tarjoukset
    3KV Inverter design. 4 päivää left

    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.

    €385 (Avg Bid)
    €385 Keskimäär. tarjous
    11 tarjoukset
    Website Revamping 4 päivää left

    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...

    €155 (Avg Bid)
    €155 Keskimäär. tarjous
    99 tarjoukset
    Bluetooth hardware development. 4 päivää left
    VARMENNETTU

    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...

    €2752 (Avg Bid)
    €2752 Keskimäär. tarjous
    41 tarjoukset

    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...

    €621 (Avg Bid)
    €621 Keskimäär. tarjous
    37 tarjoukset

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

    €623 (Avg Bid)
    €623 Keskimäär. tarjous
    5 tarjoukset
    PCB 6S 18650 Protection Circuit Board 3 päivää left
    VARMENNETTU

    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 [kirjaudu nähdäksesi URL:n] 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

    €236 (Avg Bid)
    €236 Keskimäär. tarjous
    14 tarjoukset

    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. [kirjaudu n&au...

    €185 (Avg Bid)
    €185 Keskimäär. tarjous
    20 tarjoukset

    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...

    €432 (Avg Bid)
    €432 Keskimäär. tarjous
    7 tarjoukset

    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...

    €42 (Avg Bid)
    €42 Keskimäär. tarjous
    5 tarjoukset

    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...

    €586 (Avg Bid)
    €586 Keskimäär. tarjous
    36 tarjoukset

    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

    €243 (Avg Bid)
    €243 Keskimäär. tarjous
    32 tarjoukset

    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

    €312 (Avg Bid)
    €312 Keskimäär. tarjous
    37 tarjoukset

    Design battery management circuit ,very low voltage

    €133 (Avg Bid)
    €133 Keskimäär. tarjous
    26 tarjoukset

    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

    €19 (Avg Bid)
    €19 Keskimäär. tarjous
    8 tarjoukset

    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...

    €348 (Avg Bid)
    €348 Keskimäär. tarjous
    44 tarjoukset

    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...

    €597 (Avg Bid)
    €597 Keskimäär. tarjous
    25 tarjoukset
    MCS Rebrand 1 päivä 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 ...

    €51 (Avg Bid)
    €51 Keskimäär. tarjous
    36 tarjoukset

    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 ] -...

    €137 (Avg Bid)
    Paikallinen
    €137 Keskimäär. tarjous
    28 tarjoukset

    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...

    €16 (Avg Bid)
    €16 Keskimäär. tarjous
    3 tarjoukset

    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.

    €147 (Avg Bid)
    €147 Keskimäär. tarjous
    5 tarjoukset

    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 ...

    €7 / hr (Avg Bid)
    €7 / hr Keskimäär. tarjous
    9 tarjoukset

    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...

    €407 (Avg Bid)
    €407 Keskimäär. tarjous
    13 tarjoukset
    Touchscreen Countdown Timer 16 tuntia left
    VARMENNETTU

    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...

    €243 (Avg Bid)
    €243 Keskimäär. tarjous
    16 tarjoukset

    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.

    €452 (Avg Bid)
    €452 Keskimäär. tarjous
    12 tarjoukset

    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 ...

    €81 (Avg Bid)
    €81 Keskimäär. tarjous
    8 tarjoukset

    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 ...

    €45 / hr (Avg Bid)
    €45 / hr Keskimäär. tarjous
    38 tarjoukset

    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

    €1422 (Avg Bid)
    €1422 Keskimäär. tarjous
    7 tarjoukset

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

    €1396 (Avg Bid)
    €1396 Keskimäär. tarjous
    53 tarjoukset

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

    €1009 (Avg Bid)
    €1009 Keskimäär. tarjous
    25 tarjoukset

    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...

    €21 / hr (Avg Bid)
    €21 / hr Keskimäär. tarjous
    11 tarjoukset

    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

    €24 (Avg Bid)
    €24 Keskimäär. tarjous
    13 tarjoukset

    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...

    €395 (Avg Bid)
    Paikallinen
    €395 Keskimäär. tarjous
    11 tarjoukset
    micro wi-fi camera Loppunut left

    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.

    €695 (Avg Bid)
    €695 Keskimäär. tarjous
    11 tarjoukset
    search manufacturer Loppunut left

    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.

    €16 (Avg Bid)
    €16 Keskimäär. tarjous
    4 tarjoukset

    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.

    €23 (Avg Bid)
    €23 Keskimäär. tarjous
    4 tarjoukset

    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...

    €166 (Avg Bid)
    €166 Keskimäär. tarjous
    46 tarjoukset

    We have a server that is from [kirjaudu nähdäksesi URL:n] 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...

    €36 / hr (Avg Bid)
    €36 / hr Keskimäär. tarjous
    25 tarjoukset
    Pcb Design Loppunut 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...

    €14 / hr (Avg Bid)
    €14 / hr Keskimäär. tarjous
    25 tarjoukset
    I need a writer Loppunut left

    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...

    €94 (Avg Bid)
    €94 Keskimäär. tarjous
    19 tarjoukset

    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&#...

    €26 (Avg Bid)
    €26 Keskimäär. tarjous
    17 tarjoukset
    low wattery Loppunut 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.

    €22132 (Avg Bid)
    €22132 Keskimäär. tarjous
    7 tarjoukset

    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...

    €401 (Avg Bid)
    €401 Keskimäär. tarjous
    15 tarjoukset

    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.

    €2532 (Avg Bid)
    €2532 Keskimäär. tarjous
    21 tarjoukset

    We are looking for a wireless sensor PCB layout and firmware to drive it. The device should use the eRIC-LoRa radio module from [kirjaudu nähdäksesi URL:n], 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 th...

    €714 (Avg Bid)
    €714 Keskimäär. tarjous
    25 tarjoukset