12v battery charging circuitcông việc

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    28,436 12v battery charging circuit công việc được tìm thấy, giá USD
    Electronic circuit design Đã kết thúc left

    Thiết kế mạch nguyên lý và vẽ mạch bằng altium

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    Tự động hoá nhà nuôi yến. Yêu cầu 1 hệ thống tự động, điều khiển từ xa thông qua kết nối internet, hoạt động trên 1 PC (kết hợp Arduino). - Hệ thống hoạt động trên nguồn điện DC 12v. - Output 3 lines âm thanh độc lập + 3 amplifiers. - Đo nhiệt độ và độ ẩm. Output: DC brushless pump. - Giám sát bằng camera, sensor báo độ...

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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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    Fix Hardware Issue 6 ngày left
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    Hello, I'm having a hardware issue. I had the A2 Error on my computer which I believed I fixed by removing my HDD. Before that, I had to, about every 2 or 3 days reset my CMOS by removing the motherboard's battery so I could start up my PC, but recently I can't to that anymore. After fixing the A2 error, I had to reset my CMOS again, but this time, I couldn't use my keyboard to...

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    Looking for an individual to consult and program a Lora node system. I would like to make sure the data is being sent and received with consistency. The micro-controller that seems to be best would be a esp32. I would like the system to be low-cost. I am open to a professional recommendation. Transceiver: • Collect data from a HX711 ADC every 10 minutes [[đăng nhập để xem URL]] • Be a...

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    You must speak conversational English You must have at least 30MB internet download speed to watch live stream of machine working We currently use Visual Studio to program the system, Arduino IDE cannot handle size of system. We have a device that rotates 360 degrees, and has a 12 Volt, 100Amp battery on it. [đăng nhập để xem URL] mini The code base is very large, at least 80K We have XBEE Pro on...

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * IF YOUR COUNTRY IS NOT LISTED ABOVE ...

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    Cordova Plugin for iZettle SDK Android+iOS 1 ngày left
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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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    Make a PCB in EasyEda 6 ngày left
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    I need help o make up a PCB in EasyEda. The PCB will have one each of the following - ESP32-cam - Temperature sensor - USB connector - Buzzer - OLED 0.96 inch - Arduino Nano Also 10 connectons pins I have made the circuit diagram. The PCB will be 2 sided havign the approximately dimensions 6x6 cm.

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    Legal Research - Lexis Nexis 6 ngày left
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    Need to locate court cases, in Kentucky. The case was originally LEEP, Inc., v. Outdoor Venture Corporation The lawsuit's Case Number is 13-CI-86, in Jefferson Circuit Court, Division 2, Honerable James M. Shake presiding. Defendants are: Outdoor Venture, Corporation, Stearns, Kentucky J.C. Egnew, Stearns Kentucky Kentucky Highlands Development Corporation, London Kentucky Kentucky Highlands ...

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    To find an optimal location for all the components of a circuit and assign the serial number to the components following some rules. Required Programming language: Python

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    Vreau sa dezvolt un convertor DC/DC, cu 2 iesiri, una de 12V si una de 5V. Acesta trebuie sa fie controlat de catre un uC care sa poata comunica cu alte placi

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    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 ...

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    I am opening a new clinic and I am seeking a website content and copywriter to put together content that sells for my website. It will need keywords to assist with google ranking etc. 1. Home Page 2. About Us 3. All Treatments (this will need research in putting content together) 3.1. Remedial Massage 3.2. Sport Massage 3.3. Myotherapy 3.4. Dry Needling 3.5. Cupping Therapy 3.6...

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * IF YOUR COUNTRY IS NOT LISTED ABOVE ...

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * IF YOUR COUNTRY IS NOT LISTED ABOVE ...

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    - Reposting - Need an Engineer to design the circuit schematic and PCB layout for a Rockchip RK3399 SoC. This board will use a Linux based OS. All components used (wifi/bt /ethernet controller...) must have working linux drivers. Board will need to have: RK3399 SoC 4GB RAM - LPDDR4 SD Card Ethernet Port - 100M or 1G, depending on component cost. WiFi + Bluetooth - WiFi @ 2.4GHz and Bluetooth at ...

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    I need the PCB Gerber files for the CGH40025-AMP Demonstration Amplifier Circuit. It is an RF 25 Watt Power amplifier. It's a simple task. Must have an SMA input and an SMA output. Please see attached files. More details will be disclosed later.

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    Wireless charging system for UAV, cupping coils :200w, litz awg40, operating frequency 100 kHz . In Ansys hfss or comsol

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    Design a wire less charging system for UAV . Cupping coil with AWG 40 , power 200w , frequency 100 kHz . In ansys hfss or comsol

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    3 phase ongrid inverter design required 5 ngày left
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    Complete design, schematic preparation, BOM list, firmware code, Proteus simulation and offsite support for 3 Phase, 10 kW ongrid solar & battery hybrid inverter along with MPPT suitable to operate in ongrids mode as well as island mode based on the requirement. during island mode of operation, the inverter should recharge the battery banks through its inbuilt 48V DC boost battery charger whic...

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    proofreading 4 ngày left

    This is a project for Digital Design. The project is about designing a robot that already has 6 wheel and 2 sensors at the front. All the components must be from the Texas Instruments website, bulk pricing is at the far right for each component, bulk pricing must be use for the cost analysis. The design must be hardware with no software assistance. The design must be a state machine, flip fl...

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * IF YOUR COUNTRY IS NOT LISTED ABOVE ...

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    Electronics circuit Diagram 4 ngày left
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    Design electronic circuit flow of a portable charger and a charger adapter integration.

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    Create a website (Hopefully wordpress site with WooCommerece) - to sell product - Have 100's of different component products that need to be searched for in various ways like by the product they would fit or based upon a specific product which items would fit it. (Think batteries, certain devices take very specific batteries) - accept credit cards - calculate UPS shipping costs. - and displ...

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    Battery Mockup 4 ngày left

    I would like to create a few graphics of my product being shown in mutiple mock up styles such as floating etc I will share more details upon approval of work need someone to work with long term and low budget ! Will require for 2 brands

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    You are 16-22 years old. * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * IF YOUR CO...

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    I need Computer based package to train a person on how to drive a forklift in a warehouse ( Forklift Simulation based on unreal engine ). ::::::::::Requirement ::: There is a requirement to develop a Computer Based Package (CBT) to train a person on how to drive a Forklift in a Warehouse or in a Shopping mall for picking up and placing cargo/items. The following capabilities are to be featured i...

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    We have developed tech that turned all grades of contaminated waste plastic to energy. The tech fits inside of two 40 foot containers. I want the video to be around 60 seconds long. I want to see people walking down a street, dropping waste into a rubbish bin. Then a truck picking the waste up, driving to a waste facility. Dropping the waste into out tech. Then a car/truck filling up with the fue...

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    Our concept is to build a floating grow tunnel to produce herbaceous biomass (elephant grass/hemp or possibly vegetables for food and waste streams) for placement into an terrestrial anaerobic digester to produce methane for combustion to produce renewable electricity. The electricity will be stored in a battery, to be supplied to the grid during peak hours, mitigating the need for fossil fuel pe...

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    Powerful Flashlight Driver -- 2 3 ngày left
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    I'm looking for a bright electrical engineer that can design a powerful but efficient ~40,000lum flashlight driver/step-up convertor that can be controlled using PWM. Input voltage: 4*18650 Battery 14.8v Driver Design: PWM control input (on/off, dim, strobe) 40mm-45mm diameter PCB Spring in the center and ground ring around it for direct contact to power (see attached pictures) Overheat, op...

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * PROJECT DETAILS * I will pay you 10...

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    Be sure you understand all details. You must have ESP32 devices for testing ! At least 2 devices ESP32 !!!! NO HARDWARE DESIGN REQUIRED ! We have 3 tasks: Task 1 - - - - - - - - - - Creating a full Bluetooth network for ESP32. (Bluetooth 5.0. ...distance range is required for more than 100 meters). We will test it outdoor. Network must have at least "Coordinator" and "End node&...

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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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    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, ...

    $950 (Avg Bid)
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    Trophy icon Company logo design 10 ngày left

    Design a logo for my Company. Name: Chinchilla Batteries and Touring The company is involved with all things power generation and battery storage. For four-wheel driving (4WD), caravanning, touring, off-grid power and the like. N.B. Chinchilla is a location not an animal. The logo must be easily identifiable whether printed in color or black and white. Thank you Andrew

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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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    Design me a logo 3 ngày left
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    Hello, Looking for a logo for my new ticketing and live events consultancy company called The Circuit Group. I have 3 reference points attached but I am open to changing that for the right design. I would ideally like something monochromatic. I need a transparent background along with a vector and PNG.

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * PROJECT DETAILS * I will pay you 10...

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    Hi there...we need a PCB designed that is a variation of what you would find in a small/portable bluetooth speaker. We are not experienced in the particulars of PCB design (we are mechanical engineers) so we need to employ someone who can: -design the PCB to our size specifications (circular, around 60mm diameter) -choose the proper components to achieve our goal -work with us to arrange for PCB...

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    As more and more people are using cheaper Android mobile device like Oppo, Huawei, Realme, Samsung and etc than expensive Apple mobile device, the special needs that entered the wood without carrying powerbank and went missing had happened in the forest. [đăng nhập để xem URL] To avoid the parents or guardians worry their special needs children, we need an offline app without turning on GPS last t...

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    Electrical Engineering for a training aide 2 ngày left
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    Dear Candidate, I am looking for someone that can design and engineer a golf putting training aide. Please see details below: Small unit, battery-powered (or USB) that can easily sit inside a golf bag. Can't be too big. Features of the unit: - makes a beeping noise (metronome) that can be adjusted to suit - flashing light that matches the beeping noise - random number or picture or ques...

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    Electric Vehicle Charging Network 2 ngày left
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    We are looking for someone to design an build an electric vehicle charging network.

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    Looking for Restaurant app 2 ngày left
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    I am looking for a app like the subway Restaurant app that allows people to order their food and then have it delivered or curbside pickup. I am looking for somebody who has developed one. I am looking for developers who have already made this app and have it available for sale. I would like login details to check it out from a admin side and customer side. (i have android, PC AND APPLE so send me...

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    * MY FIRST CHOICE COUNTRIES * Bosnia and Herzegovina, Montenegro, Albania, Serbia, Kosovo, and North Macedonia. * MY SECOND CHOICE COUNTRIES * Romania, Moldova, Ukraine, and Belarus. * MY THIRD CHOICE COUNTRIES * Argentina, Uruguay, Chile, Colombia, Venezuela, Panama, Costa Rica, and Mexico. * MY FOURTH CHOICE COUNTRIES * Egypt and the Russian Federation. * PROJECT DETAILS * I will pay you 10...

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    Hi Motiur. I have another project for you. I need more emails but from a specific source. This time, from Facebook. I see you are charging $8/hr. Is this a good hourly rate for you?

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