Ion battery charging circuitcông việc

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    35,122 ion battery charging circuit công việc được tìm thấy, giá theo USD
    Project for Ion Gabriel T. Đã kết thúc left

    Xin chào Ion Gabriel T., tôi đã thấy hồ sơ của bạn và muốn gửi đề nghị bạn tham gia dự án của tôi. Chúng ta có thể thảo luận thêm thông tin qua cửa sổ chat.

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    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 price and a supllyer for big qutities of micro truckers or if isnt jet on the market. I need a research who should built this mikro trucker for me and for how much, so find me a suplier to who Will produce it. TIME TO do until 4.4.2015- that you have time to contact the suplier. Money for the reserch 15 usd(exact result i Will tellyu on private)

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    A project should be done in CSP and ASP and then test with 30 instances and running time of them should be compared. Write a Minizinc and an ASP program capable of finding a solution to the following problem. Prepare a battery of 30 benchmark instances. Generate them randomly but prepare some easy/small instances (a couple of running time seconds), some average instances (a couple of minutes) and some hard instances (exceeding timeout). Run both the Minizinc and the ASP encoding on all the instances, possibly exploring different search strategies, with a timeout of 5 minutes for each test (``configuration'' option in Minizinc, --time-limit option in clingo, in both cases you can use linux tricks) In case of COPs, report the best value for the solution found within the ...

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    We are installing Electric Vehicle Charging stations across India. The protocol used is OCPP by the charging machines. I would want to know if someone can develop android and apple app for our customers and also develop dashboard which can provide us with MIS reports at the same time control features of the EV charging machines.

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    EV charging app 6 ngày left

    Attached is a document for EV charging app, iOS, android and web portal is required. Two phases of work.

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    We are installing Electric Vehicle Charging stations across India. The protocol used is OCPP by the charging machines. I would want to know if someone can develop android and apple app for our customers and also develop dashboard which can provide us with MIS reports at the same time control features of the EV charging machines.

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    I have a website where I track my daily walk/run/bike/driving routes. After setting everything up using I come to find out that when the browser is in the background or the phone screen turns off, the browser stops sending GPS coordinates for security reasons. I'm looking for a price on a simple android app with a single screen: - A text bo...changes I would like the system to also change its frequency of submissions, if that's not easily possible then don't worry about it. - If no network connection exists, store the GPS coordinates and its datetime temporarily and submit them when network connectivity does exist. This needs to run in the background and I'm looking for fairly high accuracy GPS settings, I'm OK with it taking a lot of battery power.

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    ...people and cars when the sensor is stationary and mobile. It is important to detect people and cars when stationary and mobile while filtering out stationary objects. Once a person/ car is detected, it will activate a "flat coin vibration motor". What will be powering the device is a lipo battery, I need an LED to be red when the battery is less than 20% and green when above 80%. I need CUSTOM pcb antennas for the radar sensor to be on the pcb with the micontrollers controlling the sensor, vibration motor, battery, and LED. I need PCB design, antenna design, and software done. This device needs to be as compact and light weight as possible. Attached below is a Garmin Varia sensor which is the design and compactness that I am looking for, however I want to...

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    I need to estimate the units required to run an Off Grid Solar Project based on consumption given. Freelancer must then estimate the cost needed based on equipment cost I will provide later.

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    PCB design 4 ngày left
    ĐÃ XÁC THỰC

    Design a PCB for a circuit design.

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    Help build a palm sized cooling device 4 ngày left
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    I am after a wiring diagram and a parts list on creating a handheld, palm sized cooling device. Ideally, it will need to be double sided with a large surface cooling plate on each side, a rechargeable battery whereby the device can remain at a consistent cool temperature (8 degrees celsius up to 16 degrees celsius), be able to stay at these temperatures for at least 20 minutes, have an on off button, a small lcd screen to display the temperarture of the device and a way to adjust the temperature.

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    People from Pune should apply only!!! We will be having a lot of discussions in person. Energy Automobile is a private company incorporated in April 2022. Energy Automobile is one of the leading manufacturing of environment friendly battery operated vehicles. The Company specialized in the dealing with electric two wheeler. Energy Automobile has a strong team of technical & skilled work forces with hands no experience of Automobiles industry. Energy is looking for dynamic and creative young professionals to create, develop, design and manage the digital marketing campaigns for generating B2B (dealers and distributor enquiry) and B2C (increasing website traffic, promotion of vehicle and brand).

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    Electronic trigger 4 ngày left
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    ...to read the signal, display it on a small screen, and allow for a user selectable delay to close a circuit. The trigger will actuate a raspberry pi. I am looking for someone to design and build me 2 or 3 physical triggers. The objective is to create an electronic trigger that is actuated via LTC timecode input. Input Signal: LTC Timecode via 3.5mm audio Jack (the sound is mono, need to check the channel) LTC is a manchester encoded signal, wikipedia has information about it. Each frame end is terminated with 12 highs. I need a small display to show the decoded timecode. I need to be able to add a user defined delay to the triggering mechanism. The triggering needs to close a circuit to actuate a raspberry pi. I also need a mechanism to send the timecode informa...

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    We would like to study the prospect of installing photovoltaic (PV) panels on the rooftop of mixed use building in Abidjan, the capital of the Ivory Coast in West Africa. Specifically, we would like to have a study of the panel/battery/inverter number/layout/type/capacity...before we proceed with an installation. The building is South Facing and is located on Avenue Delafosse in Plateau, the business district of Abidjan. The building has 2 different entrances, each with its own elevator. Unless you have other ideas, we are looking to cover the needs of our offices (located in the building), common areas (lighting, elevators...) as well as Burger King, the tenant on our ground floor (Refrigeration, AC, lighting...).

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    Create an equipment lease agreement. Under this agreement the lessor will pay a fixed monthly price for my equipment, mobile charging stations. They essentially work like vending machines. Therefore under the agremeent lessor will earn 100% of whatever he makes on the leased equipment, including revenue streams from battery rental and advertisement sales. Rental price and other pricing decisions will be up to lessor. My company will handle the network/backend for the lessor. We will adjust the price, ads, customer service, refunds and pay out lessor's revenue at the end of each month. The revenue we pay out to the lessor will be from the rentals he makes each month minus our processing fees and network fees. This agreement has to follow all US laws and be willing to hold...

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    My company is creating a new division known as EVŌQ Energy (don't forget the line on the Ō). We are using nano technology to create batteries that last longer, charge faster, have higher capacity, and are safer and more reliable. This new division needs its own logo. Your design should include: • A word mark logo with the words "EVŌQ Energy". EVŌQ must be in CAPS, Energy can be in any case. • A stand-alone "icon" part of the logo. Think of the Apple in Apple, or the red and blue triangle of Delta Airlines, or the Nike swoosh, the Twitter bird, etc. • An attractive color palette of 2-3 colors. Avoid using traditional "green energy" colors (bright green, yellow). • A one-color version of the logo • A version for a light background...

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    Bảo đảm
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    297 bài tham dự
    Logo design 3 ngày left

    Company name is earth EV. Electric vehicle charging company

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    Hi guys, Looking for someone to complete my pcb design. I have an 90% completed circuit schematic file for ESP32-S3 and GD32E503RET6 which needs to be routed and error corrected for PCB fabrication. The board contains barometer ic , Gyroscope+accelerometer ic,shunt resistor. Would send the .sch file and footprints and share more details there.

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    I have an easy EDA schematics for a Battery Management System. I would like my schematics to be verified as well as correct Components select for assembly by JLCPCB.

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    I would like to create a temperature and humidity sensor based on the esp12f and the SHT31 chips alimented by 2 AA batteries. The components must ALL be on one side of the PCB but the PCB can have tracks on two sides. The PCB should not cover the esp12f antenna and the SHT31 should be placed far away from the antenna. The size of the PCB should be kept to a minimum. The cables of the battery holder are soldered by hand to the PCB. The deliverable are the PCB designs and the BOM in Gerber format and the associated source files. Here are the pin connections for the ESP12F: - GPIO16 should be connected to RESET. - EN/CH_PC pin should be pulled-up with a 10kOhm SMD resistor. - GPIO15 pin should be pulled-up with a 10kOhm SMD resistor. - There should be a tiny push-button connected be...

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    Looking for a multi-talented engineer to help with various hardware development/support tasks for the IoT industry. -Circuit design, schematic design -PCB design, troubleshooting, and rework -Firmware programming (nRF52, ESP32, MSP430, (RAK4630 a plus)) -Software programming (Embedded C, Assembler , python,) -IoT RF connectivity (WiFi, cellular, BLE, LoRa/LoRaWAN, MQTT) -IoT sensor connectivity (SPI, I2C, RS-232, RS-485, Modbus, etc) -3D modeling software (Fusion 360) -Design for manufacturing

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    Looking for a multi-talented engineer to help with various hardware development/support tasks for the IoT industry. -Circuit design, schematic design -PCB design, troubleshooting, and rework -Firmware programming (nRF52, ESP32, MSP430, (RAK4630 a plus)) -Software programming (Embedded C, Assembler , python,) -IoT RF connectivity (WiFi, cellular, BLE, LoRa/LoRaWAN, MQTT) -IoT sensor connectivity (SPI, I2C, RS-232, RS-485, Modbus, etc) -3D modeling software (Fusion 360) -Design for manufacturing

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    Pending NDA and SoW release - consumer LED electronic DC circuit design and prototype build. With final build being of commercial release quality. Aim for 6 week project -includes 3 x design review milestones. Due to contactual obligations and NDA adherence ONLY Australian engineers apply.

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    ...off state at 35 minutes then, it need not do anything else. To know the state of the machine at 35 minutes, we may use current sensor or a vibration sensor . Components lIst: 1. ESP32 or ESP8266 () 2. RS522 RFID module 3. Buzzer 4. 2.4 inch TFT display (With out touchscreen) 5. Solid state relay 6. Current sensor or vibration sensor. Will have a battery backup for esp32 so that in case of a power outage, it halts the clock & resumes when power is back. We are looking for a person to work on embedded coding only, database will be handled by another people....

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    Clipper Shape Innovations - Barber use - Sell in European and USA market - Standard Internal Parts: Knife, Battery, Motor,( refer to files ) - PCB board can change size We need : 1st part : market research for competitors advantage , shortage and missing points; user experience , barber’s journey map use the clipper ; CMF trends in Europe and USA. Mood board and recommend design directions. 2nd part : 3 idea with different Shape , can be very nice Sketches with color , 3D and Rendering are preferred( 60% above similar Looking would be consider as 1 idea ) 3rd part : one selected idea the rendering and CMF and size Above each steps finished, we can pay afterwords once we are satisfied.

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    To make up a small low-profile switch, with the requirement 3V to 6V dc battery power to ac mini-inverter ac 1.27 mA, with two usb ports, to power two 180mm X 80mm p d l c smart film screen. will require rechargeable battery and have an 20mm l e d indicator light on top.

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    LoRa based Tracking System for Sea Buoys 2 ngày left
    ĐÃ XÁC THỰC

    ...parts - Buoy's ID (customisable 3 digit numeric ID), GPS location, GPS accuracy and Battery life. B. The transmission has to be initiated only when an inbuilt accelerometer indicates that the buoys have not been moving much for the past 2 minutes. This is to avoid transmission when the buoys are still inside water. C. The transmission has to be encrypted and the passcode customisable - basically you have to be able to put a password in the transmitter either through bluetooth or wifi or simply punching in some buttons. D. The data should be sent over LoRa every 5 seconds or 10 seconds or 30 seconds or 1 minute (customisable).The entire system should be very light weight (not more than 60 to 70g without battery). E. The location thus received from the buoys should be ...

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    I am looking for someone who could help me with a small project and design a CM4 carrier board with few additional components: - CM4 connector - Mini PCI-E socket with SIM card holder - 2 x Power input (~10 to ~ 30 Volt). State of both connected to GPIO pins as signal (so reduced to some ~2 Volts) - 2 x I2C exposed - Battery charging controller. The main power reduced to 5 V, then connected through the battery charing controller back to the board. - MicroSD card socket. - SPI exposed - Few (~5) additional GPIO pins exposed.

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    find target audience 2 ngày left
    ĐÃ XÁC THỰC

    for our electronics hardware design services/ electronics circuit design services, need to find who can be our target audiences and which region we need to focus.

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    I'm looking to design an RF PCB board. - Frequency = 1.4994347 GHz - Power supply input (2000v, 1amp) DC. - Spark Gap. - Transmitter circuit (Capacitors & inductors). - Antenna matching network (Capacitors only). - Antenna outlet (Coaxial cable connection).

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    Need arudino circuit designer. Required fitting of arudino in machine for daily usage and can take total usage on 10th days after.

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    Cerco sviluppatore blockchain per creare circuito di fidelizzazione basato su blockchain SHA256 con app Android/iOS per i clienti e negozi. La blockchain è già attiva incluso pool ed explorer. Seeking blockchain developer to create SHA256 blockchain based loyalty circuit with Android / iOS apps for customers and stores. The blockchain is already active including the pool and explorer.

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    NDA
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    ...digital services development including rapid prototyping to create value. * Work on design, adaptation and development of smart-charging web-applications, supervision solutions and Smartphone apps. * Explore Carbon credits and Decentralized Finance by developing innovative solutions for the future of energy linked with Renewable Energy Certificates and Blockchain. * Enhance existing solutions developed by our research team with your knowledge in user experience and visual design: the output of your work will be functioning prototypes ready to be productionised! * Develop and manage IT system architectures linked to energy and smart grids (solar panels, lithium-ion battery, electric mobility, energy efficiency…), within a team of 2-3 developers. You will...

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    color of tubelight is changed using microcontroller brightness level must be controllable software for simulation used is Arduino Power supply - 230V supply voltage and 50Hz If you have past experience similar to this project ,give a short discription about it. (Watch this video for reference - )

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    Modify and update PHP Based developed website using YII2 framework. Note that website is already developed and up in runnin...that website is already developed and up in running. Modification and Update includes 1. Proper data arrangement coming in JSON format. 2. Identifying Alarms and updating page accordingly. 3. Keep records of Alarms and point out the data accordingly. Admin should be able to configure alarms. 4. GPS, Acceleration, Speed and Heading data available. Needs to be integrated on screen and displayed 5. Battery SOH (State of Health Estimation) based on charge and discharge SOC. This can be explained. 6. AWS is the server. Needed someone who have worked on similar projects and have proof to show. Basically someone who is PHP expert with YII2 framework and AWS server ...

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    It is a HW development that consists of implementing a multiplexer in an existing circuit. Files of this circuit will be provided (circuit with microcontroller, wireless module and power supply circuit). PCB has a specific shape that also will be provided. Technical details have been provided previously.

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    ...the responsibilities a copywriter is expected to assume in their position: Write compelling content for the manufacturing and design of Printed Circuit Board Produce well-written blogs that are SEO-friendly and optimized for conversion Collaborate with marketer and promotion teams Work with analysts to ensure messaging is consistent across the company Job Qualifications and Skill Sets Below are the qualifications expected of a copywriter: A bachelor’s degree in electrical engineering, marketing, communications, journalism, English, or a related field Familiarity with the manufacturing and design of Printed Circuit Board(PCB) Strong editorial, proofreading, and writing skills Experience with SEO copywriting best practices ...

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    I need an electrical engineer -- 2 1 ngày left
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    I am trying to work out a bespoke electrical circuit for a slave / tandem heating system which includes a gavity fed standard Y configuration CH and HW gas boiler with a mid port valve and now a slave pellet boiler stove. The pellet boiler stove has an integral pump which activates when the water in the boiler reaches 70c. At this stage I want the system pump to be activated and water to be pump into the HW cylinder until the cylinder thermostat reaches 70c at this stage the mid port valve would activate both grey and white wires to dump ongoing hot water into the central heating. Importantly I want it to do this using the existing system pump, mid port valve and cylinder thermostat that is part of the gas system. It is the case that the two ststem will not run at the same time....

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    I need an electrical engineer 1 ngày left
    ĐÃ XÁC THỰC

    I am trying to work out a bespoke electrical circuit for a slave / tandem heating system which includes a gavity fed standard Y configuration CH and HW gas boiler with a mid port valve and now a slave pellet boiler stove. The pellet boiler stove has an integral pump which activates when the water in the boiler reaches 70c. At this stage I want the system pump to be activated and water to be pump into the HW cylinder until the cylinder thermostat reaches 70c at this stage the mid port valve would activate both grey and white wires to dump ongoing hot water into the central heating. Importantly I want it to do this using the existing system pump, mid port valve and cylinder thermostat that is part of the gas system. It is the case that the two ststem will not run at the same time....

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    My project consists in a circuit board which is responsible for communicate with the internet and triggering 4 electronic locks of 3V 1.5a using relays. Due to high inductance generated by the electronic locks, it is necessary that the circuits of the locks are isolated from the microcontroller circuit to avoid crashes/bugs. The board must have a circuit of lithium battery which must provide an autonomy of at least 8 hours. This circuit will be activated when the site is without power. To connect the ESP32 to the internet, a 4G modem is connected to the board. The board must have a female USB connector to power the 4G modem. The female USB connector must have a circuit capable of having its power interrupted by a command sent by an ESP3...

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    We are looking for in-country photographers in different cities around the world to take photos of our products installed in various roadside/street locations. About Papercast® battery and solar-powered e-paper displays improve the passenger experience by providing a flexible and easy to deploy real-time passenger information solution for public transport providers. With customers in more than 30 countries across Africa, Asia, Europe, Americas and Australasia, Papercast technology is behind many high profile public information initiatives worldwide. Requirements Papercast requires a portfolio of professional photos of displays that are deployed ‘in the field’ for sales and marketing purposes. Its current library typically consists of phone snaps with scope for impr...

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    Need someone who can teach me flutter 1 ngày left
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    I Need someone who can teach me flutter. I have programming experience of 6 years in Turbo C++, VB and html (through MS frontpage). I want to build a laptop & mobile phone battery alarm using flutter

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    Battery renders 4 ngày left

    15 rendered images of battery 3D model from different angles.

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    I would like 25 durable (they couldn't break it even if they use a chainsaw or pliers or extreme heat and cold of some sort), waterproof (fully submerged for 12 hours at the least) and discreet (Doesn't look like an ankle monitor) ankle bracelet trackers that track anywh...trackers off). They need to be breathable and comfortable for babies - teenagers (boy and girls). I also want to know who is who on each tracker (Where each person is at by name on the tracker). I don't want it to have any dead zones. I want to be able to track them anywhere in the world at anytime Even underground if need be. Plus I don't want anyone to be able to hack into their location. The battery should also last up to a week or more on one charge. THIS BIO IS BOUND TO CHANGE AT ANYTIME,...

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    I am building an animated Halloween prop that will have lights, sound, and vibration. It will be triggered by a motion detector. I am unable to figure out how to configure the electronics of this simple prop because there is too much voltage drop between components. Input voltage is 5vdc...motion detector; (2) 5vdc LED strip; (3) Icstation Recordable Sound Module; and (4) two Mini Vibration Motors. All four components need 5vdc to operate efficiently. I also have some MT3608 voltage regulators and 1-channel relay modules, if those will help. I just need someone to draw up a schematic from which I can put something on a project board, test it, solder everything together and put the circuit board into a project box with leads to the various components. (I ADDED A JPEG FILE TO HELP ...

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    Hello Iam looking for a long term help with electronic circuit design. Most of the help will be inform of online discussion and implementation. Most of the payement will be inform of hourly payment. The first task that I need help with is to simulate with LTSPICE or Matlab a circuit that have a 24V battery. This circuit will have some loads Another 12V that is connected to this 24V and getting its charging from it. It has also some loads. In the end, there will also be another 24V battery backup system for the connections above. Please do not bid if you are not a knowledgable person on Electronics so we dont both waste our time. There are alot to do...

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    Looking for product designer to make drawing of a tattoo product already availabe in need make it different .Its a wireless tattoo machine.i need sketches with 2 battery packs and one sketch with grip on and one without grip.

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    Spec: · It should be movable from one place to another by connecting to a vehicle. · It should be battery-powered with solar charging. · Telescopic tower for mounting cameras and antennas for internet connection. · Mounting feasibility for min 4 cameras. · Approximate power consumption - 150-200 W · Tower height - min 20 Feet. · IP-rated boxes for keeping the batteries and the Surveillance related materials. · Accessories for mobility and towing.

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