12v battery charging circuittrabajos

Filtro

Mis búsquedas recientes
Filtrar por:
Presupuesto
a
a
a
Tipo
Habilidades
Idiomas
    Estado del trabajo
    2,000 12v battery charging circuit trabajados encontrados, precios en USD

    Customising the ca...on Shopify - Project Title: Customising the cart interface Shopify - Specific Changes: I want to radically change the interface of the payment page. In a more simplified way, I want it to be logging in through the mobile number, sending a sms, and entering the account or to complete the request, Red, changing the form of the payment method and putting icons for it and being more clearly and charging method. Ideal Skills and Experience: - Proficiency in Shopify development and customization - Strong understanding of cart interface and functionality - Experience in implementing design changes and enhancements - Ability to collaborate with clients and provide assistance in refining design ideas - Efficient and able to complete the customizations within the give...

    $132 (Avg Bid)
    $132 Oferta promedio
    41 ofertas

    ...designer to create a website for our electric motorcycle and battery swapping business. The main purpose of the website is to showcase our products, services, and rental and management of batteries. Design Preferences: - We prefer a minimalist and modern design that reflects the sleek and innovative nature of our electric motorcycles. Specific Features and Functionalities: - We require an online booking/reservation system for battery swapping, allowing customers to easily schedule and manage their battery swaps. - Maybe some ecommerce but not much Ideal Skills and Experience: - Experience in designing modern and minimalist websites - Proficiency in creating online booking/reservation systems - Knowledge of electric motorcycles and battery swapping indu...

    $484 (Avg Bid)
    $484 Oferta promedio
    129 ofertas

    YOUR BID IS THE PRICE FOR WHICH YOU WANT TO WORK, only that way you gonna be accepted. I am looking for a graphic designer who can create 8 screenshots and a feature image for my Battery Monitoring app on the Play Store. Here is link to the application: Current screenshots and featured image already exists on Figma for the in app screenshots that can be used. Theme: The app is focused on monitoring and managing battery usage on mobile devices. Design Preferences: I am open to suggestions and would like the designer to come up with creative ideas for the screenshots and feature image. Goals: - Attract new users to download the app - Showcase the app's features and functionality - Improve the app's visibility and ranking

    $26 (Avg Bid)
    $26 Oferta promedio
    15 ofertas

    I am looking for a skilled GUI designer to create a visually appealing and futuristic interface for our E bike. The GUI should have the following features: - Battery Level Indicator: This feature is crucial for users to monitor the battery status of the E bike. -Speedometer: TO indicate speed. and other things. The ideal candidate should have experience in designing minimalist and futuristic interfaces. Additionally, they should be able to adapt the GUI to fit a small screen size (less than 5 inches). Skills required for this project: - GUI design - User interface (UI) design - Experience with adapting interfaces to different screen sizes If you have the skills and experience required, please submit your proposal with relevant examples of your previous work.

    $12 (Avg Bid)
    $12 Oferta promedio
    6 ofertas
    Buck-Boost Converter Finalizado left

    ...Converter for a power supply application. The converter should have the following specifications: * Input Voltage : 16-32 V DC * Output Voltage : 28V DC; 5 Amp with dimming facility from 10V to 28V using 10K pot. Skills and Experience: - Experience in designing and building Buck-Boost Converters - Knowledge of power supply systems and voltage regulation - Familiarity with power electronics and circuit design - Ability to select and integrate suitable components for the converter - Proficiency in simulation and analysis tools for converter performance evaluation The ideal freelancer should have a strong background in electrical engineering and power electronics. They should be able to provide a detailed design and schematic diagram for the Buck-Boost Converter, as well as recom...

    $302 (Avg Bid)
    $302 Oferta promedio
    19 ofertas
    Trophy icon Logo Design - 29/09/2023 20:40 EDT Finalizado left

    ..."Shiban Energy" Greetings Designers, We are "Shiban Energy", a company primarily dealing in batteries. As we look towards the future, we might also venture into solar energy products. With this in mind, we are seeking a fresh and innovative logo design that encapsulates our vision without being too literal. Key Points to Consider: While our primary product is batteries, we'd like to avoid direct battery imagery in the logo. We also want to steer clear of direct solar panel or solar cell imagery, even though we might delve into solar products later. The design should be versatile, hinting at energy and innovation without being tied down to a specific product. We value creativity and uniqueness, so feel free to think outside the box. Ideal Designer Qual...

    $20 (Avg Bid)
    $20
    327 participaciones
    PCB design Finalizado left

    PCB Design for safety Application, - Complexity Level: Moderate level, - details will be provided, Experienced PCB designer is required to develop a circuit board for an safety application. The design should be of moderate complexity and capable of meeting the specific requirements of our project. Skills and Experience Required: - Proficiency in PCB design software, such as Altium Designer or Eagle - Strong understanding of industrial application requirements - Experience working with complex circuitry and components - Knowledge of best practices for PCB layout and signal integrity - Ability to collaborate with the client to incorporate specific components into the design If you have a proven track record in PCB design for industrial applications and are able to work closely wi...

    $217 (Avg Bid)
    $217 Oferta promedio
    31 ofertas

    ...project should be completed within 3 days === Job Title: UI/UX Designer for Battery Service Application Project Description: We are looking for a talented UI/UX designer to create stunning and modern screens for our upcoming mobile application. Our application is focused on providing battery services for cars, but it also offers additional features like towing, tire replacement, and fuel delivery. Project Scope: - Create a user-friendly and visually appealing interface for our mobile application. - Design screens that reflect our brand identity and values. - Ensure a seamless and intuitive user experience. - Incorporate the following key features into the design: - Battery replacement service with a variety of battery options. - Connection to truste...

    $425 (Avg Bid)
    $425 Oferta promedio
    82 ofertas

    Device Hardware with : eSIM module or embedded traditional SIM card ( traditional SIM card not useable on mobile after use ) Wireless headphone module, Wired headphone jack, Nokia BL5C BL-5C 1020 mAh Battery, Mini small number keyboard like watch, Number display like Calculator or watch, Smaller then 5cm x 5cm x 2cm and lightweight chassis, Simple free Operating system such as FreeRTOS or Zephyr, Microcontrollers or Microprocessors or other cost comfortable , Charging port for c type pin purposes : Calling application is required to make and receive calls. Connect with wired or wiless headphone Charge and showing charge set Pin and change pin and required pin befor call can use jio modem baord

    $21 (Avg Bid)
    $21 Oferta promedio
    3 ofertas
    PCB designer Finalizado left

    Hello there! I'm looking for an experienced PCB designer to help me with a personal project. I am needing a single board design that is simple in complexity. The board should be designed as per my requirements, and have good quality component...and have good quality components for it. Ideally, I'm aiming for the board to be low-cost to manufacture and meet all the necessary specifications. The PCB should be designed to enable the best performance and be reliable at the same time. I'm hoping to find someone who has a track record of successful PCB designs and who is familiar with the technical aspects of designing and testing printed circuit boards. So if you fit the profile, please do not hesitate to reach out and let me know more about your qualifications. I look for...

    $33 (Avg Bid)
    $33 Oferta promedio
    8 ofertas

    ...stored on device in the case no internet connection available - on having connection all "old" stored data are transmitted first and then current data is sent - schedule of position detection can be configured in seconds - schedule of deep sleep of ESP can be configured in seconds - solution shall be highly energy conserving, since in later phases it will run on battery and optionally on additional solar power for charging battery. So you require to consider sleep, deep sleep modes and the corresponding scheduling of the modes level of discussions expected: Ideally you already have implemented such a solution. The solution is working and you could demo. What we require: - you can offer us that solution with specific hardware - you let us know the benefits...

    $16 / hr (Avg Bid)
    $16 / hr Oferta promedio
    5 ofertas
    Electrical design- PR8 Finalizado left

    I am looking for an experienced electrical design engineer to assist with the design and engineering of an EV (Electrical Vehicle) for the transportation of goods. The specific tasks include circuit design, power distribution, power system, control and protection, and vehicle lighting design. - The project requires expertise in electrical engineering and design principles. - Knowledge of EV systems and components is essential. - The ideal candidate should have experience in designing and engineering EVs or similar electrical vehicles. - The electrical design needs to be completed within 1 month. - The client has specific requirements and preferences for the design, which will be provided upon hiring. If you have the necessary skills and experience in electrical design for EVs, pl...

    $347 (Avg Bid)
    $347 Oferta promedio
    15 ofertas

    ...phases 380VAC 50Hz motor (10A each phase maximum current) I think is it possible to use same components except for the three phases version where I have to use a lower current sensor (12.5A or 15A for example) In the attached schematic I used hall current monitor like ACS711 for 25A of maximum current. I used TRIAC T3035 (30A maximum current). Important is the detection of over current in shor circuit condition. In this condition I use OCF line of current monitor to disable gate of TRIAC and save it. In the attached schematic is not present microcontroller because is not an important component in simulation. I need to calculate power dissipation of triac in the maximum current and to have the correct size of customized heatsink made with simply aluminum to dissipate the necessar...

    $443 (Avg Bid)
    $443 Oferta promedio
    16 ofertas

    ...specifications: The PCB will be used to activate a 12-Volt-LED. The PCB is connected to a 12 Volt battery pack. The LED should iluminate appr. 180 seconds. Therefore, ther is a timer needed to activate the LED for a period of time and to deactivate the LED after this time. A contact switch will be used for the activation of the LED. Size: Medium (5cm x 5cm to 10cm x 10cm) - The PCB should be designed within this size range to fit the desired functionality. Timer Function: Countdown timer - The PCB should have a countdown timer function Skills and Experience: - Proficiency in Altium Designer is required to design the PCB. - Experience in designing PCBs with timer functions would be preferred. - Knowledge of battery-powered PCB design is necessary. If you have the s...

    $186 (Avg Bid)
    $186 Oferta promedio
    5 ofertas

    ...stored on device in the case no internet connection available - on having connection all "old" stored data are transmitted first and then current data is sent - schedule of position detection can be configured in seconds - schedule of deep sleep of ESP can be configured in seconds - solution shall be highly energy conserving, since in later phases it will run on battery and optionally on additional solar power for charging battery. So you require to consider sleep, deep sleep modes and the corresponding scheduling of the modes level of discussions expected: Ideally you already have implemented such a solution. The solution is working and you could demo. What we require: - you can offer us that solution with specific hardware - you let us know the benefits...

    $10 / hr (Avg Bid)
    $10 / hr Oferta promedio
    6 ofertas
    breath alcohol test Finalizado left

    I need to do an ethylometer( breath alcohol test ) with a very good acuracy. the device is connected to the smartphone by bluetooth and its powered by a little battery. The device needs to be small ( around 5 x 3 cm). I need a report of the project, the components that i need and the pcb project and design so i can send it to print. I need an app for Android and Apple for the readings too Thank you

    $491 (Avg Bid)
    $491 Oferta promedio
    32 ofertas

    I'm looking for someone to complete a commercial electrical drawing, 1 page, and have it professionally stamped by an engineer licensed to do work in the United States. The project relocates Panel L3 as a sub panel to L2 in circuit spaces 37/39/41 with 100amp breaker. Project requires Drawing E1.2 to be revised. IBC2018 Original city approved stamped drawing attached. Also attached is EIT schematic diagram detailing the change.

    $192 (Avg Bid)
    $192 Oferta promedio
    13 ofertas

    I am looking for a freelancer who can develop a 12V@2amp lead acid battery charger. Input Voltage: The charger should have a universal AC input voltage. Charging Technology: I am open to different charging technologies, including conventional, pulse, and trickle. Charging Time: The desired charging time for the battery is standard, which is between 4-8 hours. Ideal Skills and Experience: - Experience in designing and developing lead acid battery chargers - Knowledge of different charging technologies and their applications - Proficiency in working with universal AC input voltage - Familiarity with battery charging time optimization - Ability to deliver a high-quality and efficient charging sol...

    $90 (Avg Bid)
    $90 Oferta promedio
    11 ofertas

    Planning WIFI for small-sized Apartment Building with Personal Use - Size of the apartment building: small (8-20 units) Total...the network from anywhere within their apartments. - Strong expertise in planning and setting up WIFI systems for apartment buildings. - Experience in designing networks that can handle high-speed internet connections. - Knowledge of the best practices for achieving multi-floor coverage. - Plan for everything including a dedicated router for the system that will connect to a dedicated internet circuit. - Choose hardware that is secure, low failure rates, has easy availability for purchase and easy to configure with a GUI. This is only for the project design, implementation is not included. Please provide examples of similar projects you have worked on in...

    $458 (Avg Bid)
    $458 Oferta promedio
    14 ofertas

    ...stored on device in the case no internet connection available - on having connection all "old" stored data are transmitted first and then current data is sent - schedule of position detection can be configured in seconds - schedule of deep sleep of ESP can be configured in seconds - solution shall be highly energy conserving, since in later phases it will run on battery and optionally on additional solar power for charging battery. So you require to consider sleep, deep sleep modes and the corresponding scheduling of the modes level of discussions expected: Ideally you already have implemented such a solution. The solution is working and you could demo. What we require: - you can offer us that solution with specific hardware - you let us know the benefits...

    $98 (Avg Bid)
    $98 Oferta promedio
    11 ofertas

    Project Description: - I am looking for a logo for my TV show that has a creative style. - The logo should be bright and colorful in terms of color scheme. - I want the logo to incorporate both a brain and a circuit as specific elements or symbols. - The ideal candidate should have experience in creating abstract logos. - Knowledge of color theory and the ability to create eye-catching designs is essential. - Familiarity with brain and circuit imagery is preferred. - The logo should be visually appealing and able to capture the attention of viewers. - The final deliverable should be in a high-resolution format suitable for use in various media platforms and mock ups. Remember it's for a TV reality show. So google other TV reality shows for geniuses and get an idea

    $20 (Avg Bid)
    Garantizado
    $20
    168 participaciones

    I have started a home standby backup generator business. I am a Generac Dealer in the Units States. I plan on starting in the state of Ohio and expanding nationwide. I will start selling Backup Generators and then will scale up and sell solar powered battery backup power (also through Generac.) I also plan on installing Electric Vehicle stations as the demand is increasing. I need a company logo for my business which is called KEENETH POWER. Because our company will soon offer green energy products (solar and EV charging) and we currently offer Generac Backup Generators....I would like the logo to reflect green energy. Perhaps orange and green would go together? Orange is the main color for Generac (see ) and this could be coupled with a green in the logo. I would al...

    $104 (Avg Bid)
    $104 Oferta promedio
    177 ofertas

    ...Voltage and current: - Dual output of 60V DC @ 15A and 72V DC @ 15A together Charging Speed: - Fast Charging, with a desired charging time of 1-3 hours EV Connector Type: - CCS Combo 2 (Combined Charging System) Skills and Experience: - Experience in designing EV chargers - Embedded system design and development of Hardware schematic, pcb, bom, Firmware code development and prototype testing. - Knowledge of different EV connector types - There should be OLED display and RS485 communication to remote. - The charger should design with suitable alarms, protection and trip mechanism to recharge the LION and LEAD ACID battery banks with temp control mechanism - Understanding of charging speed requirements - Familiarit...

    $1060 (Avg Bid)
    $1060 Oferta promedio
    3 ofertas

    As discussed, we will follow the design document "Final Spec EV Charger-22.09.2023" shared by you. We will complete the task in 5 - 6 weeks. Deliverables: 1. Design source files Schematic 2. BOM 3. PCB design Altium files 4. Firmware source files 5. Support during prototype development

    $1561 (Avg Bid)
    $1561 Oferta promedio
    1 ofertas

    ...stored on device in the case no internet connection available - on having connection all "old" stored data are transmitted first and then current data is sent - schedule of position detection can be configured in seconds - schedule of deep sleep of ESP can be configured in seconds - solution shall be highly energy conserving, since in later phases it will run on battery and optionally on additional solar power for charging battery. So you require to consider sleep, deep sleep modes and the corresponding scheduling of the modes level of discussions expected: Ideally you already have implemented such a solution. The solution is working and you could demo. What we require: - you can offer us that solution with specific hardware - you let us know the benefits...

    $9 / hr (Avg Bid)
    $9 / hr Oferta promedio
    11 ofertas

    I am looking for a skilled individual who can help me develop a circuit and program on a PIC microcontroller. The main function of the circuit will be to control a system. While I have some components in mind for the circuit, I am open to suggestions from the freelancer. Skills and Experience: - Strong knowledge and experience with PIC microcontrollers - Expertise in circuit development and programming - Ability to recommend and select appropriate components for the circuit - Good communication skills hindi /english to discuss and understand the client's requirements and suggestions

    $98 (Avg Bid)
    $98 Oferta promedio
    18 ofertas
    Trophy icon Brand Name Finalizado left

    Hi I am looking for a brand name for my on going business on amazon i am selling mobile spare parts i have a retail business on amazon where i sell mobile spare parts suh as mobile displays,battery,frame,back panel,camera part etc i want a fantastic brand name with a tagline. Please go throgh my products first currently i am selling almost all running smartphone displays and parts under a brand name ''ecom hub'' which is very old and not suitable to my category of wireless accessory my amazon store link 1. Brand name must be easy to type and must not mis spelled or mistyped by peoples 2. It must be unique 3. It must express category emotion 4. It should be one or two word max 5. Tagline must include something related to buying 6. Brand name must be original...

    $106 (Avg Bid)
    Garantizado
    $106
    394 participaciones
    Project for Aykut Finalizado left

    Life Force Model 3. Use current Life Force design and change battery tray for replaceable prizmatic cells. The Life Force case will need to be stretched for 24V 36V 48V models.

    $25 (Avg Bid)
    $25 Oferta promedio
    1 ofertas

    I am in need of researching Missouri's for data related to a circuit court judge and their sentencing habits. Specifically, I am looking for all available records of their sentencing data, to be presented in the form of a spreadsheet. My team believes that there may have been an excessive amount of sentencing done by this judge, resulting in increased costs to taxpayers as well as an unnecessary strain on the prison system. We are hoping that this data will provide us with the evidence required to support our allegations. This is a crucial project that needs to be handled professionally and with utmost attention to detail. Experience in researching case law and court records is preferred. Accuracy is key and any data presented in the spreadsheet must be as up to date and com...

    $453 (Avg Bid)
    $453 Oferta promedio
    16 ofertas

    I am looking for an experienced web developer to create a web application for on-line tuition for high school students. The web application should have capabilities such as live video classes, an online whiteboard for real-time collaboration, and recorded video lesso...development and with a good track record of successful projects. The ideal candidate should also have a strong understanding of teaching approaches in the referenced subject areas. It's a start-up institution. I required serious and loyal developers to give me lifelong support for maintaining the website and also be used to develop further IT infrastructure in the future. I needed affordable fee-charging developers. If you think you have the skillset and creative vision to make this project a success then pleas...

    $109 (Avg Bid)
    $109 Oferta promedio
    19 ofertas
    Arduino Programming Finalizado left

    create a circuit diagram Arduino program with a schematic diagram Ping me for more details

    $150 (Avg Bid)
    $150 Oferta promedio
    3 ofertas

    ...inflows. Strategic Alliances: What sets this fund apart is the strategic partnerships with prominent figures in the cannabis sector. We have the potential to collaborate with partners such as David Ortiz and his cannabis brand Big Papi Cannabis, Noah40Shebib and Drake's cannabis brand Bullrider, Josh Kesselman, the owner of Raw rolling papers products and accessories, and Carlos Duarte, with his EV charging stations company Charge Fast. These partnerships as well as the the funds alliances and investors will not only provide financial backing but also lend their expertise, brand recognition, and strategic insights to ZYPRUN. Benefits and Impact: The investments gathered through this fund would be targeted towards various avenues for growth, including expanding ZYPRUN'...

    $368 (Avg Bid)
    $368 Oferta promedio
    45 ofertas

    Project Description: I am seeking someone with Electric, LTspice, IRSIM experience for a circuit design project. Specific Experience: - Proficiency in Electric software - Familiarity with LTspice and IRSIM Nature of Project Task: - Circuit design - Simulation modeling - Electrical analysis Preferred Method of Communication: - Instant messaging Ideal Skills and Experience: - Strong background in electrical engineering - Experience in circuit design and simulation - Proficient in using Electric, LTspice, and IRSIM - Effective communication skills through instant messaging If you have the necessary experience and skills in Electric, LTspice, and IRSIM, and are proficient in circuit design, simulation modeling, and electrical analysis, please re...

    $161 (Avg Bid)
    $161 Oferta promedio
    23 ofertas

    Submit design proposal for a Pelton turbine generator back feed system to storage battery in a closed system. 1.5 hours $50.00 usd

    $50 (Avg Bid)
    $50 Oferta promedio
    1 ofertas
    3d modeling Finalizado left

    3D Modeling Task: Background: =========== We build small electronic modules based on a modular platform. Each finished product consists of: • A circuit board with electronic signal connectors attached to it • An extruded aluminum enclosure • Front end plate with holes for the signal connectors • Rear end plate with holes of the signal connectors Here is an example of a finished product (view in any browser other than Safari/macOS): Many of our customers have asked us for 3D models of our products, but we do not have any 3D modeling capability in our company. We did have one customer create a complete model of one product (PRL-425T, shown on page linked above with the actual model linked below), and we would

    $117 (Avg Bid)
    $117 Oferta promedio
    23 ofertas
    wire diagrams Finalizado left

    I am looking for a freelancer to create electrical wiring diagrams that are moderately detailed. No specific requirements or standards need to be followed since there are no specific demands. The diagrams should be of a moderate level of detail. The project should include circuit diagrams, network diagrams, and electrical wiring diagrams.

    $138 (Avg Bid)
    $138 Oferta promedio
    33 ofertas

    I am looking for a PCB and Schematic Designer with experience in Altium. The project involves desi...Altium Designer - Strong knowledge of PCB design principles and practices - Experience in designing moderate complexity PCBs - Experience in ESP32 PCB design using Lithium Battery management Charging and Discharging. We need to Boost the battery voltage in 9Volt and 5Volt for two supplies. The Schematic is attached below and a half-designed PCB file is also available (.PCBDOC). I want to understand the look of PCB so We need to make 3D of Components and PCB. Take a look, I need all the components with SMD and low height under 7mm and connectors with low height. I also have some other projects like this which are battery-operated and ESP management. Time availab...

    $84 (Avg Bid)
    $84 Oferta promedio
    10 ofertas

    I am looking for a freelancer experienced in circuit design to assist me with creating a thermoelectric generator circuit for charging batteries. The desired output power of the generator should be in the range of 100-500 Watts and I have specific size and weight restrictions that must be met. With this project, I am hoping to find someone who can provide an innovative solution to my specific requirements. I am looking forward to hearing from experienced freelancers who are interested in the project. Thank you for your consideration.

    $37 / hr (Avg Bid)
    $37 / hr Oferta promedio
    23 ofertas

    Adapt the circuit to the new technical requirements, integrating external LoRa module and GPRS external module.

    $127 (Avg Bid)
    $127 Oferta promedio
    1 ofertas

    Scope start date: October the 4th. Scope finish date: October the 7th. Scope duration: 6 hours of work for an experienced individual Seeking support from a electronics subject matter expert with skills in the below four specific areas of electronic circuit design. 1. Operational amplifier circuit design. 2. Instrumentation amplifier using three Operational Amplifiers. 3. Phase Locked Loop (PLL) - Must be able to work with the S-domain transfer functions for a phase locked loop, very similar it will look like a classic second order transfer function. 4. Reliability, Mean Time Between Failure analysis

    $57 (Avg Bid)
    $57 Oferta promedio
    5 ofertas

    ...stored on device in the case no internet connection available - on having connection all "old" stored data are transmitted first and then current data is sent - schedule of position detection can be configured in seconds - schedule of deep sleep of ESP can be configured in seconds - solution shall be highly energy conserving, since in later phases it will run on battery and optionally on additional solar power for charging battery. So you require to consider sleep, deep sleep modes and the corresponding scheduling of the modes level of discussions expected: Ideally you already have implemented such a solution. The solution is working and you could demo. What we require: - you can offer us that solution with specific hardware - you let us know the benefits...

    $130 (Avg Bid)
    $130 Oferta promedio
    16 ofertas

    ...who can assist me in creating CAN communication between Battery BMS and Smart chargers. The desired outcome of this communication is to achieve efficient battery charging and monitoring. Additionally, I need assistance in broadcasting CAN data for the forklift controller and an IoT device. Skills and Experience: - Expert level knowledge in CAN communication protocols - Proficiency in developing applications for Windows operating system - Experience in data monitoring and recording - Familiarity with Battery BMS and Smart chargers - Strong understanding of forklift controller systems - Ability to analyze real-time data for performance improvement The ideal candidate should have a deep understanding of CAN communication and battery charging syst...

    $213 (Avg Bid)
    $213 Oferta promedio
    7 ofertas

    I'm currently working on a web3 automation software which can be used to automate NFT mints, token swaps and any kind of Ethereum transaction. Instead of charging our users a monthly price, we want to charge our users based on a transaction fee. Each time a user uses our software to send a transaction they will be charged a % of the total value if the transaction is successful. We want a solidity contract which has a method that takes as parameters the target contract to call and the input data which will include the encoded method data to call from the target contract, this way, our custom contract will call the external contract with the provided data, check if the call is successful, and take a % of the total value and send it to our vault. Keep in mind the transaction s...

    $470 (Avg Bid)
    $470 Oferta promedio
    16 ofertas

    ==== READ FULL DESCRIPTION, GENERIC BIDS WILL BE DISCARDED ==== We are looking to put together a 12S LTO BMS. The BMS will need to fit an existing form factor. The following features are required: Equalization discharge current: 25mA Wireless communications: NRF24L01+ or similar Coulomb counting: up to 20A The battery modules will be stacked into a HVDC pack. A control module will centralize all communications and orchestrate cell balancing, etc. LTO chemistry is tolerant to 0V discharge. The BMS module must work with voltages 1-5V/cell. It must handle overdischarge gracefully and start back up when cell voltage > 1V. See attachment for form factor. More details will be provided when the project is awarded. When bidding, please provide: - Work hours estimate - Relevant past e...

    $21 / hr (Avg Bid)
    $21 / hr Oferta promedio
    18 ofertas

    Project Description: I am seeking someone with experience in electronic circuit design and familiarity with EasyEDA to create a schematic that controls a 3-digit, 7-segment display. Each segment of the display has a forward voltage of around 15V. While it might be possible to use a MAX7219, it alone is not sufficient to handle the required voltage. Additional components or alternative solutions would be needed to achieve the objective. Requirements: The design must be done in EasyEDA. The circuit should be capable of controlling a 3-digit, 7-segment display with a forward voltage of 15V for each segment. A Bill of Materials (BOM) must be provided along with the schematic. The freelancer is expected to provide support in case of any questions or issues with the design. Deli...

    $171 (Avg Bid)
    $171 Oferta promedio
    34 ofertas

    I am looking for a skilled electrical engineer to design a milli voltage booster circuit for my project. The circuit should meet the following specifications: Input Voltage Range: - The desired input voltage range for the milli voltage booster circuit is 1mv to 15v DC. Output Voltage Range: - The desired output voltage range for the circuit should be regulated and include the following options: 1.5v DC, 3.3v DC, 5v DC, 12v DC, and 15v DC through adjustable potentiometer. Current Output: - The required current output of the milli voltage booster circuit should range from 1mA to 7A. Ideal Skills and Experience: - Strong knowledge and experience in electrical engineering and circuit design. - Expertise in designing voltage boosters and reg...

    $530 (Avg Bid)
    $530 Oferta promedio
    15 ofertas

    I am in need of an experienced Electrical Engineer who specializes in PCB design and schematic. The desired outcome of this project is to create a prototype development. I am open to suggestions and do not have any specific requirements or speci...experienced Electrical Engineer who specializes in PCB design and schematic. The desired outcome of this project is to create a prototype development. I am open to suggestions and do not have any specific requirements or specifications for the design. The timeline for this project is immediate. Ideal Skills and Experience: - Extensive experience in PCB design and schematic - Strong knowledge of circuit optimization - Proficient in troubleshooting and debugging electrical systems - Ability to work quickly and efficiently to meet immediate...

    $152 (Avg Bid)
    $152 Oferta promedio
    23 ofertas
    programming Finalizado left

    ...configuring alerts based on their preferences. 5. Real-Time Updates: Users will have access to real-time updates on their parking session through the app, providing peace of mind and convenience. 6. Data Logging: The system will maintain a log of parking sessions, offering users a convenient way to review their parking history. 7. Battery Efficiency: The parking disc will be designed with energy efficiency in mind to ensure long-lasting operation without frequent battery changes. I believe this concept has the potential to revolutionize the way people manage their parking, making it more efficient, convenient, and hassle-free. I'm looking for a talented programmer who shares my enthusiasm for this project and possesses the skills to bring it to fruition. If you ha...

    $855 (Avg Bid)
    $855 Oferta promedio
    33 ofertas

    I need someone to build a working prototype for my Push To Talk muting circuit. This prototype will help me raise working capital. See: An engineer worked on it for me and made a schematic. I would like you to check the schematic for errors and then build me a prototype using the supplied schematic.

    $192 (Avg Bid)
    $192 Oferta promedio
    25 ofertas