5v battery charging circuitcông việc

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    32,105 5v battery charging circuit công việc được tìm thấy, giá theo USD
    Electronic circuit design Đã kết thúc left

    Thiết kế mạch nguyên lý và vẽ mạch bằng altium

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    Finde the product (research) Đã kết thúc left

    I need someon whoo Will make a research or find a product on the market for me. I need a micro gps trucker, which can be attached to a pigeon leg so small waigt max 15grams, for my studies of pigeons, the battery must resist for 3 day. so i need a micrko gps trucker who Will show me on the app on the real time the exsact location where the bird is. IF THIS ALREDY EXSIST ON THE MARKET i need a pri...

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    Hi Ornela, how much are you charging per 1000 words written in English? No need to accept the project before we agree on everything.

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    Designing and building of a application circuit with a specified microcontroller unit with all datasheet and info provided.

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    MPPT Designer from China 6 ngày left
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    we need MPPT Circuit Designer from China Based Freelancer. Good Quality MPPT with High Tracking Efficiency. RS485 Enabled. Only Experienced Freelancer contact. Also Experts on Lithium Battery Technology.

    $135 (Avg Bid)
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    We need to build multiple hydraulic power systems which need to be battery powered. We require someone to assist with designing the battery system with built-in charging system. We will require simple drawing of the electrical system and also details of the components and available suppliers of components.

    $17 / hr (Avg Bid)
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    The objectives of the project are: Swarm Intelligence Models in Simulated Environment For Autonomous Drone and Quadruped Robot Wildfire Suppression to be launched as a game to test autonomous wildfire supression technology: The software will simulate the dispersion of fire using an algorithm. Also calculate the wind effect. This simulation will have drones and quadruped robots. Image processing ...

    $250 - $750
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    $250 - $750
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    Hello there, I have a three-year old electric bike that I absolutely love. It gives me the independence to go wherever I want with little to no cost, and without worrying about traffic or public transportation. The battery has aged, naturally, and holds less charge than it used to. But I still love it as a primary mode of transportation. So I am looking for someone who can design, if possible, a ...

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    Hi. I need a Pi HAT that had three microphones and ADC circuit on it. Please let me know if you can do it. Thanks

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    Arduino POV display 5 ngày left
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    Arduino POV display looking for someone to do what we need is, recorded video with a clear voice covering the following topics 1- circuit schematic design - screen record 2- circuit assembly - practical video 3- coding from scratch - screen record 4- testing the project - practical video all videos must be with clear voice in english

    $51 (Avg Bid)
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    we have designed a circuit now we need a design for its casing.I am attaching .step file for details of pcb. Please we can chat for more details

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    Need to update the existing firmware. The GPIO pins have changed & the person who does the job should be comfortable with reading circuit designs

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    PCB design -- 2 4 ngày left
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    I want to use different electronic components such as esp32, lcd screens, 18650 battery holder and power supply by a usb cable, push buttons and led indicators, but I need help in how to design it to have a file that I can send to mass production

    $60 (Avg Bid)
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    I am looking to design a waist coat with LED strip lighting around the edge of the seems. I currently have one design I have physically made with EL wire which works fine but I am looking to take it to the next level with LED strips or indiviudal LED's if necessary (Strips would be easier). The strips themselves need to have the pixels as close together as possible to maximise the effectivene...

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    I want the source code and complete product of 1KW 3 Phase hall sensor BLDC hall sensor Motor Controller having feature set as: 1, Speed control through Throttle. 2. Forward/ backward movement with switch 3. Over Current Protection the threshold set by user 4. dc bus voltage monitor 5. drive temperature monitor using NTC The STM32F072C8T6 Device is used, The detailed Circuit Schematic shared af...

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    We have a working PCB (5V Circuit) with 13 GPIOS. Its Inputs and Outputs to be connected with External devices (PLC based Interface) operating at different level of voltage (from DC12V to DC 60V). Require freelancer with expertise to use Optocoupler, Transistors and voltage regulators to achieve the result.

    $100 (Avg Bid)
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    We need a team of people who are professional in :- • Adruino & microcontroller • electrical engineering • Iot & embedded systems • Pcb designing • Proteus etc We need to build a fully functional circuit at low price for a device. Please bid accordingly so that we can share details.

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    I need a Quick books reconcile accountant 3 ngày left
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    Hello I need help with reconciling 2020. I have a LLC business, and I don't understanding what going on with my quickbooks. Julie Arvizu Nevada Battery Solutions LLC 1620 Raiders Way Ste 105 Henderson NV 89052 702-600-2516

    $951 (Avg Bid)
    NDA
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    Spine Animator. 3 ngày left

    Need to have an animation that makes this robot bounce a bit when it cleans, and one where it kind of short circuits and powers down (goes on low battery), the rig is already done.

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    Design a flyer 3 ngày left
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    I am looking to design some flyers to send out to my customers with solar panels to see if they want to buy some battery storage.

    $81 (Avg Bid)
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    I am looking for an electrnics engineer to create a hydraulic circuit for a small wearable handheld instrument.

    $353 (Avg Bid)
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    HSpice simulation 3 ngày left
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    Simulate the circuit and plot the graph in Hspice..VLSI

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    phone vibrators in series 3 ngày left
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    I need a descriptive for an electrical circuit of 30(0) phone vibrators(pr. microdrives) in series/web for an assignment. + 1 where if one doesn't work, it can be changed and no other is affected

    $38 (Avg Bid)
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    Arduino Project Using PID 2 ngày left
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    I'm building a steam boiler and engine with a generator attached, I know how to do wiring and setup Arduino i just don't know how to code. Basically, the boiler will have a fan attached to blow air into the fire to control the temperature I will also have a hopper for woodchips with a screw and a motor attached to feed the woodchips into the fire. I need to monitor the voltage of the dc ...

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    Hi Khawaja Muhammad A.,I need a voltage and current monitoring project. Develop source code in arduino IDE. web interface for configuration (MQTT broker ip address, port, topic, wifi network, static or dhcp ip, host name, OTA firmware update) and on-screen display. Develop schematic and ISIS Proteus Circuit design using ADE 7758, ESP32 and HALL HSTS016L effect current sensor.

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    I have a PCB board project for you. I have a the required files for assembly. Including gerbers, schemstics and BOM. You will need to able to use My UPS delivery service. this project is not a for everyone is only for the one that is ready to start with project now. So is not a weekend project. Also dedlines here are very important , you will need to finish on time. If you don't finish on ti...

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    I wanted top level business website like [đăng nhập để xem URL]

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    Hi Jorkeda, how much are you charging per 1000 words written in English? No need to accept the project before we agree on everything.

    $10 (Avg Bid)
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    1 lượt đặt giá

    We need to translate a set of documents describing a novel computer technology for the general audience. The set ranges in difficulty from app descriptions (general audience) to a white paper (technical marketing). Please provide a translation of a fragmented 192 paragraph below as a sample. ****** NewNode avoids the slowdowns commonly caused by many devices attempting to access the same content...

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    I am putting a 360 photo booth in a large mall. This is equipment is usually made to make money by charging by event. I want to charge by person or couple or group. 3 to 5 dollars debit credit iPhone etc pay. I want to use a card reader to accept debit and credit cards Basically like a ride they pay for a certain amount of time turn equipment on and turn equipment off I NEED SOFtWARE AND HARDWARE...

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    We are looking for a electronic engineer to build BMS for our requirements. - 3.7/4.2V 2500ma li-ion battery. - less than 2 hours charging time. - sharing input/output connector. I will share more detailed requirements in chat.

    $178 (Avg Bid)
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    I want e-business website like [đăng nhập để xem URL]

    $7710 (Avg Bid)
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    10 lượt đặt giá

    Design a 12V (source is lithium battery but you don't have to manage the battery) to 230V AC inverter with the topology of pushpull transformer with H bridge as example: [đăng nhập để xem URL] [đăng nhập để xem URL] Inverter frequency ±75 kHz Output 230V AC 50 Hz Usage of module TL494 / 7500 is allowed so that the PCB can stay small. You do not have to complete full PCB layout, thi...

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    WE NEED MALE & FEMALE VOICE OVER FREELANCERS Question 1: Who are we? We are one of the leading artificial intelligence data service providers in China. We are committed to assisting companies to accelerate their AI initiatives by providing different types of data services mainly in the fields of natural language processing (NLP). Question 2: What is the task? a)Download the App...

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    Địa phương
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    VHDL Half adder using two processes, 1-bit Full-Adder using Half adder as a component, using port map N=4 bit adder using 1-bit Full Adder as a component. Design N-bit add-sub unit using behavioral VHDL model

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    I would like to read and write some values from a Deye inverter via it's RS485 port. There is a connection to the inverter via a USB to RS485 module. Set up basic read and write functions for grid voltage, frequency and battery charge/discharge current. I will send you the inverter protocol I received from deyeinverter. I only have LV 2019 installed so please deliver in 2019 version budg...

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    8 lượt đặt giá
    computer hardware/software -- 2 1 ngày left
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    Hi, Somebody with experience digital design printed circuit boards?

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    VHDL Half adder using two processes, 1-bit Full-Adder using Half adder as a component, using port map N=4 bit adder using 1-bit Full Adder as a component. Design N-bit add-sub unit using behavioral VHDL model

    $83 (Avg Bid)
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    3 lượt đặt giá

    Hi Md Abu Sakib M., I noticed your profile and would like to offer you my project. We can discuss any details over chat or email at chunrima at [đăng nhập để xem URL]

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    NDA
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    We are looking for an embedded systems engineer who has - Good spoken English - Workshop with so many components Arduino, esp, raspberry pi, pic microcontroller, and others - Ability to shoot videos with voice narration explaining how to connect a circuit and test it out for students, like how to make a led cube using arduino from scratch and similar things Comment with lion at the beginning of ...

    $116 (Avg Bid)
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    Dear Freelancers, We are a startup based out of Delhi. We are working on a product that requires motion control using motor assembly. The device is like a 2 axis gimbal to control the motion of the payload using the software interface. Our team has designed the functioning prototype for the same and currently, we are looking for freelancers to help us in designing a custom PCB board for power mana...

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    I’m Charlie, I need to control the speed of a stepper motor (or something more relevant if you believe so). The system is 12v, I’m going to have a NPN proximity sensor facing a spinning shaft that changes speed depending on ground speed, this sends the appropriate pulses to a circuit board (arduino?) which will alter the speed of the stepper motor via dc motor controller (once again, ...

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    Hi Andri, I am a Mechanical Engineer working on a new eBike conversion kit. This kit works via a DC brush motor, throttle (3-pin), and controller. The throttle is a 0-5V potentiometer. The problem our testers have is that the throttle is quite sensitive and the motor is high torque, and if someone accidentally applies heavy throttle, the bike will jolt forward. Is it possible to design a microco...

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    Design a basic PCB 10 giờ left
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    I am looking to Design a basic PCB , which contains 3 components ESP32- dev kit + NRF24l+ and neo-6M GPS module. with 5V Voltage regulator. The Output of NRF + GPS has to go via ESP32... + working code to for Rx and Tx via NRF + Hollybro FC Connectivity with Telemetry and GPS

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    PCB Design + firmware 10 giờ left
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    Hardware / firmware design. I have developed a POC for a bike box where you can open a bike box (kind of schelter with 5 bikes) by an RFID card. Access is checked from a remote server, (directly or in some cases by a whitelist checked every 24hrs). This POC works fine, but now we want to go a step further, and have our own device instead, as we have some specific requirements. For the software ...

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    Module Function: Water touching two electrodes (connected by 2 wires (+,-) to the Module PCB) causes 36VDC to be sent to 2 Output wires (+,-). A current sensor alarm circuit sends 0 or 5VDC to 2 Alarm wires (+,-) if Output circuit amperage is Low or Normal. a) Power Source: 36VDC. b) Controlled Output Circuit: 36VDC 3A. c) If Amperage of Output circuit >0.5A, 5VDC is sent to Alarm wires. If ci...

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    I'm giving practice lessons in VR for sim racers and want to make this circuit and load it to Assetto Corsa

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    Embedded systems hardware video producer 4 giờ left
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    We are looking for an embedded systems engineer who has - Good spoken English - American accent is a plus - Workshop with so many components Arduino, esp, raspberry pi, pic microcontroller, and others - Ability to shoot videos with voice narration explaining how to connect a circuit and test it out for students, like how to make a led cube using arduino from scratch and similar things Comment wit...

    $29 (Avg Bid)
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    10 lượt đặt giá

    I have small circuit consist of optocoupler and triac. the circuit is attached. I need an electronic engineer to do simulation and give me: 1- the output. 2- recommendations. the goal of this circuit is to control the single phase contactor by the input signal. if the input signal is 5 v DC the contactor is latched (closed). if the input signal is 0 v DC the contactor is NOT latched (opened).

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    PCB layout design 1 giờ left

    I have one small circuit which you need to draw a layout in altium or pads software. You should give me a gerber file, board file etc…

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