Battery switchover circuitJobs

I am looking for someone to help design a battery-charging circuit for a specific application in which the output voltage and amperage can be controlled by a Single board computer(SBC) like raspberry pi. Input would be from standard AC input 220-230V AC if it can be Universal Input that would be the best but minimal basic is 20-230V AC 50-60 hz and would prefer I/U controller type circuit The following conditions are needed (No dependency between 1 and 2 meaning using SBC it should be possible to control 1 and 2 individually) 1) Control Output voltage range from 3.8 to 12 V 2) Ability to control Amperage range from 1.2 amp to 3.8 amp 3) Ability to do Trickle charging and fast charging (this can be controlled by PWM(Pulse Width Modulation) or any similar mechanism from...

I'm looking for someone with expertise in electronic circuits who can help me for a remote exam. Exam is around 21-30 questions. Skills Required Engineering Electronics Electronic Forms Electrical Engineering Circuit Design

I am looking for a freelancer who can create thermal and electrical models of a lithium-ion battery using Simscape in MATLAB. The purpose of these models is to perform battery performance analysis. I have a general idea of the parameters and conditions for the models, but I will need guidance from the freelancer to finalize them. The preferred software for creating and analyzing the models is MATLAB. Ideal skills and experience for this job include: - Proficiency in MATLAB and Simscape - Knowledge of battery modeling and analysis - Experience with thermal and electrical simulations - Strong problem-solving and analytical skills If you have the expertise and skills required for this project, please submit your proposal.

...current, Power Factor, Frequency, power measurement with RS485 Communication capabilities Communication: - Proficiency in implementing Modbus communication protocol for RS485 communication Display: - Familiarity with integrating an LCD display into the meter Skills and Experience: - Strong background in electrical engineering, Embedded hardware and firmware developer, PVB Design, BOM list, and circuit design - Proficiency in programming and firmware development for the meter - Knowledge of power measurement algorithms and calculations - Experience with Modbus communication protocol implementation - Familiarity with LCD display integration and programming If you have the necessary skills and experience to design a high-quality electrical multi-function meter with an LCD displa...

I'm looking for a customized battery management system (BMS) to be used for lithium-ion batteries, with a focus on monitoring and controlling. My goal is to find a BMS system that can effectively manage the lifespan of my aviation batteries while also increasing their performance and reliability. I'm looking for a robust system that will enable me to quickly and efficiently monitor and control the performance of the battery, along with various other operations such as logging all charging and discharging cycles. Any other features that can be provided to increase performance would be a bonus.

...experience to work on an intermediate level PCB layout project. The ideal candidate should have experience using KiCad software and be able to work on-site in Hyderabad. Requirements: - Experience with KiCad software - Ability to work on-site in Hyderabad Skills and Experience:  Circuit Design, Basics of Power Electronics, Basics of DSP  Good understanding of RF Designs  Good understanding of different Ground Plane  Component selection and schematic design as per use case  Design and develop Printed Circuit Boards  Prepare documents for PCB assembly, schematics and fabrications using KiCAD  Design layouts to develop high-speed and reliable circuits  Analyze and resolve any design-related issue and troubleshoot for error  Provide support to PCB engineering and m...

...importance to be a reliable and professional person. We’ll keep in touch through e-mails mainly. A reliable university student, a part-timer, a free-lance journalist, or a sales representative could be fine, for instance. WHAT DO WE OFFER We offer the possibility of a long term (though project-based) co-operation, the chance of gaining good money and the chance of being part of an international circuit of consultants to be involved in market surveys. We also offer field training: we’ll join you for 3-4 days in your country in order to work together on-field and bring our project experience after performing this survey in more than 30 countries around the world. TIMING Project timing for the survey regards a start-up by end of August 2023 and a deadline within a co...

Review of circuit based on atmega 328p and pcb as well as confirmation of data flow

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I am planning a home automation project and need some consulting by phone and Signal/Whatsapp chat. Requirements: - Ample knowledge of open source home automation solutions - Knowledge of Narrowband IoT (NB-IoT) - Very good En...the server for status changes? - Do we need to change firmware on power switches? - Software setup for central server - Would it by feasible to use NB-IoT instead of Wifi. What are requirements, are there any power switches on the market that could use NB-IoT instead of Wifi? - In a next step, we might add temperature sensors that report current temperature to the central server. Sensors must by battery-based. Do you have any suggestions for this? Please show me some examples of your previous projects in this field and quote me with an hourly fee for the c...

I am looking for a skilled and experienced circuit designer to help me with the design of a BMS module and packs. The project involves the following requirements: Voltage Range: - The BMS module and packs will operate within a voltage range that is not standard (please specify the voltage range). Intended Application: - The circuit will be used for a specific application that is not listed (please specify the application). Regulatory and Safety Standards: - The design must comply with IEC Standards for regulatory and safety purposes. Skills and Experience: - Strong knowledge and experience in circuit design for BMS modules and packs. - Familiarity with non-standard voltage ranges and their implications. - Expertise in designing circuits for specific applications. -...

Need to create a circuit in Simcenter Amesim software. Need someone who are proficient in Simcenter Amesim software

I am looking for an experienced electronic circuit designer who is proficient in using Altium and has experience with CSP2022 circuit designs. Skills and Experience: - Proficiency in Altium and experience in CSP2022 circuit designs - Strong knowledge of electronic components and their specifications - Ability to work with specific components provided by the client - Creative problem-solving skills to optimize circuit designs - Attention to detail to ensure accurate and efficient circuit designs Project Details: - Listen the signal from DVBT2 terrestrial digital TV broadcasting system. - Listen and analyze MPEG-2 TS stream. - Listen the digital TV signals, convert and send it to the Android device using bluetooth device. ... I will share the detailed re...

...skilled PCB layout designer who can optimize the layout of my circuit using KiCad. The project requirements are as follows: The optimization is to reduce the size of the PCB from 214 mm x 104 mm to 160mm x 70mm. - The designer should have experience in designing PCBs of this size and be familiar with the constraints and challenges associated with it. Specific components: - I have specific components that need to be included in the layout. The designer should be able to incorporate these components efficiently and ensure their proper placement and connection. Circuit complexity: - The circuit design is of high complexity, and involves high speed bus like MIPI, LVDS, USB. The designer should have a good understanding of circuit design principles and be able...

...off-road 4W mobility markets with Ridot-K, our Connected & Smart Android HMI: Infotainment, Instrument cluster, Full screen maps, ADAS and more. With Ather Energy, Ola Electric and top 20% EVs working with us, we are set to change the way people interact with their vehicles. Skills  Circuit Design, Basics of Power Electronics, Basics of DSP  Good understanding of RF Designs  Good understanding of different Ground Plane  Component selection and schematic design as per use case  Design and develop Printed Circuit Boards  Prepare documents for PCB assembly, schematics and fabrications using KiCAD  Design layouts to develop high-speed and reliable circuits  Analyze and resolve any design-related issue and troubleshoot for error  Provide support to PCB engineering...

im making a board to light up some 3v LED lights., I've been hand wiring them and need to make it a PCB to speed up the process. it's only a + and - circuit. no processors or chips of any sort. just a loop for each pole on the LED lights. I've attached my drawings of the boards and an image of the lights I'll be using. the contacts on them are about 12mm apart.

I need a 1 page website for my solar panel, battery storage and car charger installation company. I will also need a logo and colour theme. It would also need to be found in google search. I can provide all text and a few logo ideas. Kind regards Stephen

Hi Aisha M. Can you help me with Circuit Analysis 2 examination? It's on Wednesday.

...the Drone images are uploaded, the images should immediately begin rendering into a 3d orthomosaic using photogrammetry. Step 11: User views rendered 3D Orthomosaic Step 12: User can switch to another project to view that 3D Orthomosaic Step 13: Design on 3D orthomosaic This is where the user will be able to measure, place panels, place wiring to the transformer, place transformer, and place the battery (everything should be to scale) This is where a CV model would come into play...you could have it trained to view the proposal and put the proposal on the 3D Render. The model should be able to identify any inaccuracies with the proposal that come up. Step 14: Side-By-Side Proposal viewer. Bottom left icon allows user to see the proposal compared to the model in a split-screen vie...

...the report which is listed in a recently published book by journalist Nick Wallis. Sadly, this was not reported to the defendant's attorneys and seemed lost in the reports to the court deputies and clerks. Many months later, court of appeals judges had to release the official records of the case with a mandamus order to 3rd parties and the public by ruling against the court clerk of the circuit court, as the judge, PlanetDepos, and the clerk refused to take any simple action to release them as an American right. I have a specific department in mind that I would like to request information from, and I will provide the details to the freelancer I hire. The deadline for this project is 3-4 weeks. Upon a Petition for a Writ of Mandamus Before Judges Malveaux, White ...

Hello, I need help with Programming my Raspberry Pi 3b / 4 for; 1. Bluetooth Heart Rate Monitor 2. Bluetooth Cadence 3. Bluetooth Speed Sensor 4. Bluetooth Power Watts 5. Distance 6. Calories Burned 7. Timer (count up and count down) 8. Battery Pct. 9. Control two Actuators controllers independently (One Horizontal and One Vertical) 10. Control Automated LCD Screen Track Movement (Future Development but will have controls on screen) 11. LED lights Connected to Power Watt Reading (Higher Power Reading, more and different color LED lights up) (On/Off) Only one new screen needs to be developed for #9 and #10 on that screen. I need these things added to my Basic Program that already exist but without a Bluetooth Host being established. This will need to be added to the code.

I'm looking for a freelancer to help me with an electromagnetic field analysis of a gas insulated switchgear (GIS) using ANSYS software. I haven't created a model of the GIS yet, but I need some guidance on the dimensions and materials for the components. The main goal of the analysis is to evaluate the performance under normal and short circuit conditions, and compare different switchgear materials. As part of this project, the freelancer will need to build a model of the GIS current transformer, perform the analysis, and interpret the results. This project requires significant experience in the use of ANSYS software, as well as familiarity with the principles and procedures of electromagnetic field analysis. The results of this project will be used to optimize the design...

I am looking for an Arduino coder and someone who has basic understanding of electronics to complete a project for me. I have an electronic circuit and I have lost the arduino code running on it. So, I need you to write the full code for it from scratch. Additionally, if it goes well, we will give you work for our other projects as well. Please let me know if you are available to take on this project and what your rates are. If you have any questions, please do not hesitate to ask. Thank you

I am seeking a freelancer to develop a Homer Pro Micro Grid for a Feed Barge. The power capacity of the microgrid should be 1 MW. I'm considering two scenarios to reduce carbon emissions: 1- Integrating solar panels (approximately 30 kW to 50 kW), a small wind turbine (around 10 kW), and a battery system to enhance sustainability and minimize carbon footprint. 2- Replacing the existing gensets with hydrogen tanks, fuel cells, and a larger battery system to further reduce emissions. The expected lifespan of the microgrid system should be more than 20 years. A successful contractor should possess the technical know-how to create a functional system that meets my requirements.

I have got all needed equipments: - VCI Interface (Mongoose-Plus). - FDRS license. - A laptop running windows 11. - USB Flash drive 32GB (exFAT). - 12V Automotive Battery Maintainer. I tried to update my APIM module myself, but unfortunately an error occurred which prevents me from updating the APIM module. I need Ford FDRS coder expert to update my APIM to the latest version for my 2022 Ford Bronco (preferably from Ford company). Cheers, Omar

The primary aim of this study is to quantify how much renewable energy is currently discharged and spilled from the battery using MATLAB that could be re-directed and used for on-campus hydrogen production at Keele University. Objectives: O1: To determine how much excess renewable energy is available for on-campus hydrogen production. O2: To explore the role of weather data prediction on site in improving the efficiency of green hydrogen production. O4: To investigate the potential for scaling up hydrogen production from renewable energy on campus to meet local energy demand.

...previously, it could not be developed successfully. So we could never even get to see any foundational functions of the needed application to see if any of it worked decently and successfully. With his help, though, I do have a couple of usable breadboarded sensors comprising ESP32 and MPU6050. (With guidance I can use any other preferred sensor instead). Initially powered by USB, there is a battery connector on the ESP. Sensor firmware programming was done via VS Code, so I have gained a bit of practice using that. The desktop application attempt was I think done in some version of C and using Qt. Previous attempts "might" have been in Python, and I do not know what might be better for the shorter and/or longer terms of project development and expansion. I should hop...

Project Title: 3 angles - rendering - technology Purpose of the rendering: Marketing Specific technology or product to be featured: Mechanical Level of detail required: High We are looking for a skilled and experienced freelancer to create high-quality renderings of our mechanical technology product for m...detail is crucial to ensure that the renderings accurately represent the product and its functionality. Project details This is not a concept to design as I have drawings. I require new drawings to reflect concept with changes. Please see attached: 1. colour change to the exterior 2. remove certain aspects - windmill, people, improve background - should still be island situated 3. change battery on interior 4. minor conceptual changes TBD More to be discussed - not a h...

...should be working only if vibration The size of the continuity tester's PCB board should be less than 3cm (less than 2.5cm preferred) in diameter and shape should be circular. The battery used should be CR2450 or smaller button cell The system should be self waking on connecting circuit and should go into sleep mode after 5 seconds, when not connected. The current output through the terminals should not be more than 1mA at any time. A resistance in series can be used for the same has a sample circuit for continuity tester. What we want is a similar circuit but with 4 resistances (and hence 5 ranges) instead of 1 resistance in the example Required: 1. Final Schematic 2. Firmware Code 3. Proof of Concept If you have the necessary skills

I am in need of a circuit design expert to work on a project for me. The required circuit design is mixed, meaning it will involve both analog and digital components. The freelancer is free to make suggestions on components to best serve the project, as I'm open to their ideas. The end application of the circuit will be for consumer electronics. Experience with designing electronics for consumer electronics applications is a plus, as well as experience working with analog and digital components. The successful freelancer will have the skills to create a reliable, cost-effective circuit design tailored to my needs.

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I require a simple solution (most likely by using flip-flops) for the circuit that will take digital signal of fixed frequency and variable pulse width and then alternately toggle two output pins. However, both output pins states should go to 0 when the input signal goes to 0. Take a look at the attached timing diagram as the task is immediately understandable. Please note that only CD4xxx (4000-series) parts can be used in the design.

I have a 24 volt DC pump that I need to control using an Arduino board and relay to turn on and off the pump for various lengths of time from 3...length) -Possibly name the pump using the touchscreen to identify it from others. -Hit SAVE on the touchscreen, and new programmed timer cycles are saved to the Arduino. -Unplug touchscreen from this pump. -Walk to next pump, plug in and repeat. Touchscreen is just a control and programming interface. Touchscreen is dumb. Arduino board would need to have a power switch to turn off/on Arduino circuit A switch to override the programming and just turn on the pump manually (if required) An indicator LED(s) that the Arduino is standing by, or in programming mode, new program saved and finally, indicate by flashing when a pump cycle is oc...

...for long-range data transmission. Primary Function: The primary function of the device is data transmission. It should be able to efficiently transmit data over long distances. Power Source: The device needs to be battery-powered, ensuring portability and flexibility in its usage. Ideal Skills and Experience: - Experience in designing LORAWAN devices with a range of up to 5 kilometers. - Proficiency in data transmission protocols and ensuring reliable communication over long distances. - Expertise in battery-powered devices, optimizing power consumption for extended battery life. - Knowledge of LORAWAN network architecture and integration with existing systems. - Familiarity with regulatory requirements and certifications for LORAWAN devices. If you have the ne...

I am looking for a skilled PCB designer to create a small board size with a simple circuit. The board shall be 5cmx8cm in size and include a simple circuit. This project does not have a specific deadline, so I am looking for someone who can work with me to get my project done efficiently. I expect the designer to be able to provide me with the required gerber files for production. Please contact me if you are able to accomplish this task.

See attachments and watch this video also from 4.20 to end They are using a mechanical method and I would like to use a rodless cylinder We may be able to eliminate the tension arm I want a pneumatic circuit design to achiev what is described and as shown in the video

...interpretation is welcome. In principle, it's a small stone sphere bearing a geometric pattern with two shaped charges placed on either side. The sphere is meant to be some sort of ancient, possibly non-human reactor, squandered as the driver for a pseudo-nuclear reaction. The shaped charges are blocks of explosive with a hollowed-out cone to direct the blast. They are operated by a fire-&-control circuit as shown in the sketch. Salguerre, the fictional manufacturer, has their logo on the rearward side of the missile in the outside drawing. I've included a .PNG of their logo for convenience. In addition to the Salguerre logo, on the outside view drawing there should be a damask/paisley pattern wrapped around the nose. I've also included a .PNG of a sample of ...

residential electrician to assist with installing battery storage systems

I am looking for a PCB (printed circuit board) viewer with specific features to help me visualize, measure, and design my circuit boards. This viewer should be designed with Altium PCB files in mind, and built with Windows as the preferred platform. Specifically, the viewer must provide me with layer visibility control, which will give me the ability to see the different layers of my board with precision and be able to monitor all aspects of my circuit boards. Furthermore, the viewer should allow for easy interaction, with select elements (like Altium ) and with zoom and pan features, along with measurement tools, so that I can closely inspect and examine each component, layer, and connection in detail. I look forward to working with an experienced freelancer who can...

I am looking for a freelancer who can help me with a PCB layout project. The project requirements are as follows: Type of PCB layout: - Double layer Design software requirement: - KiCad Complexity of the circuit: - Simple Ideal skills and experience for the job: - Experience in PCB layout design, specifically with double layer boards - Proficiency in using KiCad software for PCB design - Knowledge of circuit design principles and components - Attention to detail and ability to ensure proper alignment and connectivity of circuit components - Ability to work efficiently and meet project deadlines If you have the necessary skills and experience, please submit your proposal along with examples of your previous PCB layout projects. Thank you.

Scotland ONLY * I'm looking for an experienced auto electrician to help me with the installation of leisure batteries and accessories for my camper van. I have a list of specific accessories that need to be worked on for the installation, and I will be providing them myself. The freelancer's job will be providing expert auto electrical services and installing the specified accessories I have listed. An understanding of electrical systems and the ability to troubleshoot and repair any problems that may arise is also a plus. Furthermore, I could use some guidance on how to upgrade and customize the system for optimal performance, should I so choose. This is a project I am passionate about, so I'm looking for someone who is just as enthusiastic and committed to the task at hand...

...themes, such as aviation, automotive, motorcycle, and more. Close-ups of the luxurious interiors, emphasizing state-of-the-art car lifts, mezzanines with fully equipped kitchens, and rooftop decks for entertaining. Imaginative renderings of custom garage designs to inspire potential buyers, highlighting the endless possibilities for personalization. Shots of high-end cars driving on the 2-mile circuit race track, showcasing the adrenaline-fueled experience our clients can enjoy. Seamless transitions between different sections of the video, creating a cohesive and engaging narrative. Subtle visual effects and lighting enhancements to enhance the overall visual appeal and evoke a sense of luxury and exclusivity. The video should be visually stunning, providing viewers with a virtua...

I am looking for someone to help improve the HT1621 LCD display and Raspberry Pi Pico SPI circuit. The specific improvement I am looking for is a more reliable and durable connection for industrial applications. Currently I am using it and got failure in 3 nos as display and controller both get damge. Currently used schematic is attached Skills and Experience: - Experience with HT1621 LCD display and Raspberry Pi Pico SPI circuit - Knowledge of circuit improvement techniques - Strong understanding of SPI communication - Ability to troubleshoot and diagnose connection issues - Familiarity with Raspberry Pi programming and configuration

We need an experienced Embedded systems engineer for our project. We have a PCB that switches a 25W lamp,powered by a Battery, which is charged by a solar panel. The lamp should stay ON for 6 hours after PIR sensor senses something in it's range. We already have a PCB that does the same thing for only one hour, we need to change that into 6 hours.

I am looking for an experienced PCB designer to create a single layer circuit board design for a solar powered lamp with a timer. The design must be created using KiCad software. I have specific dimensions in mind for the PCB, which will need to be followed closely. Ideal skills and experience: - Proficiency in KiCad software - Experience designing single layer PCBs - Understanding of solar power systems - Knowledge of timer circuits - Attention to detail to ensure precise dimensions are met.

I am looking for a freelancer who can modify the layout and circuit of my PCBA design and change the PCB size. The current schematic and BOM are available. The ideal candidate for the job should have experience in electrical engineering and PCB design and layout. PCB approximately 3cm x 4cm. 50 components. The project requirements are as follows: - Modify the layout of the current PCBA design - Ensure that the new design fits within the new size limitation. - Use the existing schematic and BOM - Provide the modified design files in a format that can be used for manufacturing - Add Lipo battery charging circuit Skills and experience required: - Electrical engineering especially BLE and power circuits - Proficiency in PCB design and layout - Familiarity with EDA tools...

Advertise and Market My Business Globally with Paid Ads I am looking for a freelancer to help me advertise and market my business globally using paid ads. My target audience is global, and I prefer to use paid ads on Google and Facebook to reach them. My budget for this advertising campaign is under $500. Ideal Skills and Experience: - E...maximum ROI and conversions - Creative skills to design engaging ad copy and visuals - Understanding of analytics to track and report on campaign performance. I am looking for someone who can deliver results within my budget and help me grow my business through effective advertising and marketing.

need a digital marketer for my business website is: i will pay you a uprfont fee or however many sales you bring in ill give you a % on each sale you make

Looking for a freelance marketer who can create an effective advertisement that will generate leads and sales for my product. The target audience is young adults, and I prefer to advertise on social media platforms. The ideal candidate will have experience in social media marketing and be able to create visually appealing and attention-g...and I prefer to advertise on social media platforms. The ideal candidate will have experience in social media marketing and be able to create visually appealing and attention-grabbing ads. They should also have a track record of successfully generating leads and sales through social media advertising.

I am looking for a skilled marketing professional to create an advertisement for my physical product that will be displayed on Facebook. The primary goal of this advertisement is to increase sales. The ideal freelancer will have experience in creating effective Facebook ads that lead to conversions. The advertisement ...sales. The ideal freelancer will have experience in creating effective Facebook ads that lead to conversions. The advertisement should be visually appealing and highlight the benefits of the product. Any previous experience with advertising physical products on Facebook would be preferred. the site is i want a picture ad