12v microprocessor controlled battery chargerproiecte

...themes, and responsiveness will need to be tested to ensure compatibility with Android 14's design guidelines. Performance Optimization: Android 14 includes performance optimizations that improve battery life, app startup times, and memory usage. To take full advantage of these improvements, the app's code may need to be optimized. Background Services and Battery Management: Android 14 introduces stricter controls on background services and app activity to enhance battery life. Any background processes within the app will need to be reviewed and optimized to ensure compliance with the new battery management policies. Security Enhancements: Android 14 includes enhanced security measures, such as stronger encryption, improved authentication methods, a...

I am doing a biometric lock in Arduino. I already have the necessay components: fingerprint reader, USB to TTL RS232 module, servomotor, ESP32 module and a power source of 12V. I need to do this physically so I need someone who is from Romania, preferably from Bucharest or Constanta. Thank you!

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

este necesara proiectarea unui sistem de ridicare electro mecanic sau electro mecano hidraulic cu conectare doar la sistem de baterii 12v. eventual conectare partiala prin cablu la 24v furnizati de autospeciala. greutatea estimata la ridicare 6000 kg. inaltimea de ridicare aproximativ 2100mm

My car's negative battery cable has snapped at the grounding connection. I need a skilled freelancer to assist with this. The job involves crimping two ring terminals onto the broken ends of the cable so that I can bolt them together at the grounding point. The car is currently located on street parking and I'm in need of a professional who can bring the necessary tools and materials for this repair. Key Requirements: - Experience in crimping ring terminals - Ability to work in a street parking setting - Provision of necessary tools and materials for the repair. PLEASE SEE ATTACHED PICTURE of what the finished job should look like.

I'm in need of a sophisticated Battery Management System (BMS) for my Lithium battery packs, specifically 7s and 10s configurations. Key Requirements: - The BMS needs to manage the simultaneous charging and discharging of the battery packs, or prevents charging and discharging between battery packs. The re-used battery packs already have their 10s or 7s BMS. - Communication protocols are to be discussed, so flexibility and expertise in various systems is a plus. - Additional features required include: - Temperature monitoring - State of Charge (SoC) estimation - Fault detection and notification Ideal skills and experience for this job include a strong background in BMS development, extensive knowledge of Lithium battery technology...

I'm looking for a professional with experience in long wave RFID programming for a special project. The task involves developing a selection gate for horses tha...for the range of transponder recognition and the opening times. The RFID gate will be used primarily in an outdoor paddock. Thus, the RFID hardware must meet heavy-duty and weatherproof standards. Additional features required for the gate include: - A battery backup system. - Provisions for remote monitoring. Ideal candidates for this project should have: - Proficiency in long wave RFID programming. - Experience with creating hardware for outdoor use. - Ability to design with CE compliance in mind. - Skills in integrating features like battery backup and remote monitoring. - Ideally, fluency in German to fac...

...business needs. 2. Monitoring and Performance Management: Continuously monitoring systems and applications for performance, security, and availability to detect and resolve issues proactively. 3. Incident Management: Responding to and resolving IT incidents effectively to minimize downtime and impact on business operations. 4. Change Management and Quality: Managing changes to IT systems in a controlled manner to minimize disruptions while ensuring improvements and updates are implemented. In this point I want to highlight the below: a. Release Management: Planning and coordinating software releases, ensuring quality and minimal impact on users. b. Configuration Management: Maintaining an up-to-date inventory of IT assets and their configurations. c. Performance Monitoring: Conti...

I'm seeking an expert in thermal analysis and materials science to help with a comprehensive project. 1. Thermal Gradient Analysis: - The main focus will be on quantifying thermal gradients within individual Li-ion cells and across modules in extremely low winter conditions. - You will need to assess the impact of these gradients on the lifespan of the battery, as this is my primary concern. 2. Material and Design Optimization: - I want you to explore advanced thermal interface materials (TIMs) and innovative module designs to minimize the thermal gradients. - This includes investigating novel materials with better thermal conductivity that can still be compatible with existing Li-ion technologies. 3. Thermal Management Strategies: - The development of ta...

I'm looking for an electronic engineer to design a circuit for a digit...Display: The display should be an LED that is visible in sunlight. It should activate when a 2%, 2.5%, or 3% grade is achieved. - Power Source: The unit should be powered by an 18v Milwaukee tools battery. - Brightest LEDs: The use of the brightest LEDs available is essential for this project. Ideal Skills and Experience: - Electronic circuit design: Proven experience in designing electronic circuits is a must. - Knowledge of LED technology: Familiarity with high-brightness LEDs and their implementation in outdoor displays. - Power management: Understanding how to efficiently use an 18v battery in a circuit. - Precision measurement devices: Previous experience working with medium precision measurem...

...requirements. The original idea is starting from a existing CM5 carrier board ‘open source’, and modify it to add/remove elements, also ‘open source’. Most of the requirements can be found in any CM5 carrier board available with a public license, for exampe CMIO from raspberry pi. Description of the elements, interfaces and other requirements follows • Maximum board size 100mmx200mm aprox. • Power souce 12v, protected and converted to other DC (present in CMIO) • USB-C with mini USB conector for programming (present in CMIO) • USB 3.0 (present in CMIO) • Ethernet (present in CMIO) • CANBUS • PCIe (present in CMIO) • SD card slot (present in CMIO) • eDP video signal + backlight • AIS class B (from other o...

...multiple linear regression model for the prediction of demand for shared bikes. You will need to submit a Jupyter notebook for the same. Problem Statement A bike-sharing system is a service in which bikes are made available for shared use to individuals on a short term basis for a price or free. Many bike share systems allow people to borrow a bike from a "dock" which is usually computer-controlled wherein the user enters the payment information, and the system unlocks it. This bike can then be returned to another dock belonging to the same system. A US bike-sharing provider BoomBikes has recently suffered considerable dips in their revenues due to the ongoing Corona pandemic. The company is finding it very difficult to sustain in the current market scenario. So,...

...Strong knowledge of quality standards for consumer-grade and medical-grade wearables. Scope of Work: Review and optimize our existing prototype design. Provide actionable insights to overcome current development challenges. Advise on long-term scalability, production design, and supply chain management. Ensure the design meets high quality standards and durability benchmarks (e.g., waterproofing, battery life, sensor accuracy). Budget: Up to ₹75,000 for initial R&D consultation phase. Engagement Details: Freelance/Consulting role with milestone-based deliverables. Flexible hours with collaborative communication. How to Apply: Please share: Relevant project portfolio showcasing experience with MAX86174A and similar wearables. Brief plan on how you will assist in overcoming...

I need a project focusing on the charge/discharge cycles of electrochemical batteries. You will be required to simulate these cycles using Simulink and perform calculations based on the project prompts. Ideal Skills: - Proficiency in Simulink - Strong understanding of electrochemical batteries, specifically charge/discharge cycles - Abil...batteries. You will be required to simulate these cycles using Simulink and perform calculations based on the project prompts. Ideal Skills: - Proficiency in Simulink - Strong understanding of electrochemical batteries, specifically charge/discharge cycles - Ability to perform complex calculations Experience: - Prior experience with modeling or simulating battery systems - Familiarity with academic or engineering projects focused on batter...

I'm in need of a PCB designer who can create a compact PCB for prototyping purposes. This board will need to accommodate a microcontroller, various sensors, a power supply, and Bluetooth components. Specifically, I want to gather data from a sensor (e.g. thermometer) and send that data via Bluetooth to a receiving device (iPad). The PCB will need to be powered by a 3.7 LiPo battery. I'll need all the files, so I can print at PCBWay. The board will need to be no larger than 26 mm by 30 mm. The components will need to lay flat on the board so the overall height is less than 4mm. Ideal Skills: - PCB design - Knowledge of compact design principles - Experience with prototyping PCBs Please, only apply if you have significant experience in designing PCBs, particularly for pro...

... If required, the UAV must also be able to descend to 1.5 km altitude for specific operational needs, with smooth ingress and egress transitions. Additionally, the UAV needs to loiter efficiently at the designated altitude, ensuring stability and endurance for prolonged operations. The UAV must be stealthy with lower RCS, IR and aural signature. Finally, the UAV must be equipped to execute a controlled and safe landing, concluding the mission reliably. Meeting these performance criteria is essential for optimizing the UAV's mission effectiveness and operational reliability. Mission Requirements Parameter Value Payload Mass ≥ 1000 kg Range ≥ 1000 km Endurance ≥ 2 hours Take-off & Landing Distance ≤ 2000 m Change in Static Margin from Subsonic to Supersonic fli...

...Requirements: - **Type**: I need a comprehensive solution that includes Bluetooth, Wi-Fi, and NFC beacons. - **Features**: The beacons should have long battery life, wide range, and customizable messaging capabilities. They're expected to cover a broad spectrum of use cases, from retail promotions to event management and proximity marketing. - **Primary Use Case**: These beacons will be utilized across all potential scenarios. Ideal Skills and Experience: - Proven track record in sourcing high-quality advertising beacons. - Strong understanding of Bluetooth, Wi-Fi, and NFC technologies. - Experience in evaluating product features such as battery life, range, and messaging customization. - Ability to provide a comprehensive solution for various marketing needs. I ...

I’d be delighted to work on designing the 3 additional CanLiFe Battery labels, redesigning the Torque Starter and SunSaver Battery labels (once I receive the current designs), and creating the new brand labels similar to the CanLiFe Golf Cart ones. Could you please share the current designs and any specific requirements or preferences you have for the new labels? This will help me ensure the designs align perfectly with your vision. Looking forward to your reply and ready to get started!

...(Not Required but Nice to Have): 6. Battery Optimization Software: • When the tablet detects the charging cable is unplugged: • Automatically dim the screen to the minimum brightness. • Disable LTE connectivity. • When the cable is reconnected, the tablet should restore its previous settings. Technical Details: • The application will run on Lenovo Tab M10 tablets. • It should have an intuitive and user-friendly interface for taxi passengers. • It must operate seamlessly in a taxi environment, considering limited supervision. Deliverables: • A fully functional application with the described features. • Clear documentation for setup and operation. • Remote management capabilities for ads and quizzes. • (Optional) ...

I am seeking multiple motivated lead generators and appointment setters for a pay-per-meeting role, with an attractive OTE of $1500/month for the right candidates. Your main task will involve targeting commercial properties in the U.S. that have parking spaces and may be interested in installing EV Chargers using government funding. Key Responsibilities: - Cold calling businesses from Google Maps using our provided dialer - Engaging in meaningful dialogues with potential clients - Utilizing our provided scripts that is proved to work and our most-common objection guide that is already proven to answer to the most common questions our clients will ask you. Ideal Candidate Qualities: - Exceptional ability to handle objections - Proactive and takes initiative - Excellent communication sk...

I'm looking for an HTML expert to design a dynamic client onboarding form for my website. This form should be linked directly to my HubSpot CRM. The form will be a URL link-only accessible page. Key Requirements: - The form should incorporate conditional fields, file uploads and a multi-step progression. - It should align with my brand identity, using specific brand colours...well as custom fonts. - Upon submission, the form should directly integrate with my HubSpot CRM. Ideal Skills: - Extensive knowledge of HTML and web form design. - Experience with HubSpot CRM integration. - Strong understanding of brand design elements. - Ability to create a user-friendly, dynamic, multi-step form. - Form will contain up to 400 questions - Form will be built and saved on client controlled...

I'm looking for a designer who can create a unique remote control toy car for me. The car should have a HD camera and LED lights, both controlled via the remote. The transmission range needs to be 60m. Key features include: - An HD camera mounted on the car - LED lights that can be turned on and off via the remote - Wireless Live video feed to display The ideal freelancer for this project would have experience in designing remote control vehicles and integrating custom features. Their skills should include electronic design, remote control systems, and an understanding of transmission range limitations. Ultimately, I want a high-quality, well-designed product that meets my specifications.

...in need of an experienced appointment setter who can help my company secure meetings with businesses looking to install EV chargers in their parking spaces. Key Responsibilities: - Cold calling various businesses and commercial properties across the US. - Gathering key information during calls, particularly the decision maker's contact details. - Setting up appointments for potential EV Charger installations. Ideal Qualities: - Prior experience in cold calling in US is a must. - Strong communication skills are essential to convey our business proposition effectively. - While not necessary, knowledge about EV chargers would be an added advantage. Your role is critical to our business expansion in the EV charging installation sector. We are offering a pay-per-me...

Description: We are looking for a creative and detail-oriented 3D designer to develop a durable, aesthetically pleasing case for an electronic device featuring an e-paper display. The design must ensure easy assembly, support both vertical and horizontal stacking mechanisms, and be optimized for 3D printing. Responsibilities: - Design a compact, lightweight enclosure for the Lilygo T5 2.13 and its battery. - Incorporate functional openings for USB ports and power switches. - Develop a mechanism for securely stacking up to three devices vertically and horizontally. - Ensure the case is optimized for 3D printing, using software like Fusion 360. - Ensure the case is durable, easy to assemble, and aesthetically pleasing. Ideal Candidate: The ideal candidate will submit a proposal inc...

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I am looking for someone who can help me create a c...likely trying to overthink it. I have an engineering degree, but it's in a very different field, although I wish I would a have considered this field instead as it seems a lot more fun! The parts I have are: 1. Adafruit Metro Mini 328 V2 - Arduino-Compatible - 5V 16MHz (STEMMA QT / Qwiic) [ID:2590] 2. Adafruit DRV2605L Haptic Motor Controller - STEMMA QT 3. Lithium Ion Polymer Battery - 3.7v 1200mAh 4. PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost @ 500mA 5. RFID-RC522 I need 1. A diagram connecting the parts - I am using a bread board 2. Coding that would allow the use of the RFID tag to operate the motor. 3. Instructions on how to load it to the metro mini. I know nothing (clearly) about this stuff bu...

...units at a time. - High fire resistance and good insulation. - Prefab, but not based on containers. Deliverables: - Architectural plans - Civil plans - Bidding documents stating intentions, expectations, conditions and BoM - Proposed project plan with Gantt chart in MS Project and WBS in MindManager - Proposed contract conditions for general contractor - Electrical plans including PV solar and battery plans - Fire Protection plans - Interiors plans (kitchen, staircase drawers, built-in cabinets) - Landscape plans (front and backyard) - Mechanical plans (HVAC) - Plumbing plans - Equipment plans - Resource plans - Structural plans - Renderings with two images per room, two images of the front yard, two images of the backyard, and one aerial view. - Assistance in sourcing materials...

...assistance with a wide range of digital tasks, such as: • Setting up smartphones, tablets, and computers. • Troubleshooting Wi-Fi connectivity or device issues. • Installing and configuring software (e.g., email, social media, photo organization tools). • Teaching basic digital literacy (e.g., online navigation, password management). • Perform minor hardware repairs (e.g., screen replacements, battery swaps for smartphones). Desired Qualifications: • Strong technical knowledge of common devices and platforms (e.g., Windows, macOS, Android, iOS). • Exceptional communication skills with the ability to simplify complex tech concepts. • Patience and empathy, particularly when working with non-tech-savvy clients. • Reliable transp...

...Production-ready Gerber files for PCB manufacturing. A complete Bill of Materials (BOM) with cost estimates. Testing and calibration reports verifying the prototype’s functionality. Key Design Requirements Power System Dual Power Input: Solar Input: 12V from an 80W solar panel, with integrated charge controller and priority logic. DC Input: 12V external power supply, with solar taking priority when available. Battery Backup: SLA Battery: 12V 50Ah, providing 2-3 hours of charging at full load. DC-DC Conversion: Centralized step-down conversion (12V to 5V) with >85% efficiency. USB Ports Configuration: 10 fast-charging ports (QC 2.0/3.0). 10 standard 5V/2.4A ports. Port Placement: All ports must be accessible from one sid...

...in need of an experienced appointment setter who can help my company secure meetings with businesses looking to install EV chargers in their parking spaces. Key Responsibilities: - Cold calling various businesses and commercial properties across the US. - Gathering key information during calls, particularly the decision maker's contact details. - Setting up appointments for potential EV Charger installations. Ideal Qualities: - Prior experience in cold calling in US is a must. - Strong communication skills are essential to convey our business proposition effectively. - While not necessary, knowledge about EV chargers would be an added advantage. Your role is critical to our business expansion in the EV charging installation sector. We are offering a pay-per-me...

...in need of an experienced appointment setter who can help my company secure meetings with businesses looking to install EV chargers in their parking spaces. Key Responsibilities: - Cold calling various businesses and commercial properties across the US. - Gathering key information during calls, particularly the decision maker's contact details. - Setting up appointments for potential EV Charger installations. Ideal Qualities: - Prior experience in cold calling in US is a must. - Strong communication skills are essential to convey our business proposition effectively. - While not necessary, knowledge about EV chargers would be an added advantage. Your role is critical to our business expansion in the EV charging installation sector. We are offering a pay-per-me...

...microcontroller project. There will be a defined board layout and initial choice of components. All boards you design shall have evluation board quality. It means that they will not actually go into real components and be used for internal purposes only. Ideal Skills: - Extensive experience in PCB and hardware design, including power supply, FTDI, UART, CAN, SPI/QSPI and I2C - Microcontroller and Microprocessor layout experience, especially industry-grade controllers like NXP, STM32, Renesas and Raspberry Pi CM - Knowledge about signal integrity, EMC and good design practices in general Requirements - all parts must be available and recommended on Mouser or Digikey - no China replicas - all design must take place in KiCAD - you will need to hand over all design files necessar...

...devices. Knowledge of TENS and ultrasound circuit integration. Familiarity with low-power and compact design principles. Ability to deliver detailed schematic diagrams and simulation reports. Understanding of regulatory requirements for medical electronics (e.g., ISO 13485, IEC 60601-1). Preferred Qualifications: Experience with wireless or IoT-enabled devices. Familiarity with portable or battery-powered devices. Deliverables: Finalized PCB design files (Gerber, BOM, etc.). Simulation results or testing reports. Guidance on prototyping and manufacturing. Additional Information: This is a freelance role with a flexible timeline, but we expect regular updates and collaboration during the design process. Candidates may be required to sign an NDA before the project be...

...to life a dynamic and innovative website. This project requires a combination of front-end web development expertise, CSS animation, and UI/UX design to create an engaging and interactive user experience. Project Overview: Our vision for this website is to have an interactive logo that serves as both the user interface (UI) and the central hub for navigation. The website's navigation will be controlled by a series of animated elements within the logo. When users interact with these elements, they will trigger CSS-based animations and transform the logo to reveal menu links. As the user makes a selection, the menu links will dynamically update to guide the user to the appropriate content. While the website can be developed from scratch, we are also open to using a CMS platf...

I'm seeking an expert in thermal management systems to enhance the performance of a Lithium-ion battery in an electric vehicle. Key Responsibilities: - Design and implement a battery thermal management system aimed at improving the performance of the battery during vehicle operation. Ideal Skills and Experience: - Profound knowledge and experience with Lithium-ion batteries - Proven track record in designing thermal management systems, preferably for electric vehicles. - Strong understanding of performance optimization for battery systems. Your expertise will be crucial in ensuring the efficient operation of the battery, ultimately contributing to the overall performance of the vehicle.

I'm looking for an expert in battery modeling with a focus on Lithium-ion batteries, specifically for electric vehicles (EVs). The key aspect of the modeling should be thermal modeling. Skills and experience needed: - Proficiency in battery modeling, particularly with Lithium-ion batteries. - Deep understanding and experience in thermal modeling. - Previous work with electric vehicle battery systems preferred.

I need a skilled Home Assistant expert who can read data (MODBUS) from my Deye hybrid inverter using Raspbery PI besides Inverter and then present all information on a small LCD screen (under 10 inches) in my living room (sending the data to the screen using Zigbee). Key Requirements: - Display of battery status and energy consumption - Use of color-coded indicators for energy consumption - Real-time updates on the LCD screen Ideal Skills: - Proficient in Home Assistant setup and configuration - Experience with Deye hybrid inverters - Ability to program color-coded indicators based on energy consumption - Knowledge in interfacing Home Assistant with LCD screens

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...Comprehensive Testing: Thoroughly test all app features, functionalities, and user flows on your iOS device. This includes: Navigation and UI/UX testing across different iOS versions and device screen sizes (please specify your device and iOS version in your application). Functional testing of all features and user interactions. Performance testing (e.g., app launch time, responsiveness, memory usage, battery consumption). Usability testing, identifying areas for improvement in user experience. Testing under various network conditions (Wi-Fi, cellular, offline). Detailed Bug Reporting: Document all bugs and issues found with meticulous detail, including: Clear and concise descriptions of the issue. Precise steps to reproduce the bug. Screenshots or screen recordings demonstrating...

I'm in need of a specialist who can create a detailed design with specifications for an electric two-wheeler wiring harness. Your tasks will encompass: - Integrating various components into the wiring harness design including: - Battery connections - Lights and indicators - Motor controller - Instrument cluster - Telematics - Hub motor - More - Ensuring the design adheres to electric vehicle standards. Ideal candidates should possess: - Extensive experience in designing wiring harnesses, preferably for electric two-wheelers. - In-depth understanding of electric vehicle standards. - Proficiency in creating detailed designs with specifications.

I need a professional who can write a comprehensive research paper on estimating the state of charge of lithium-ion batteries using an extended Kalman filter. The goal is ...charge of lithium-ion batteries using an extended Kalman filter. The goal is to optimize the state of charge in an academic manner. The paper should be submitted as a Word document and must include the following sections: - Abstract and Introduction - Methodology and Results - Conclusion and References The ideal candidate for this project should possess: - Extensive knowledge and experience in battery research and estimation techniques. - Proficiency in academic writing. - The ability to provide an in-depth analysis of the subject matter. Please make sure your bid demonstrates your ability to meet these req...

I need a skilled Arduino professional to design a compact, wireless device for me. This device will blink an LED light on a predetermined date, operating on a long-lasting battery. Key Requirements: - The device should be suitable for indoor use. - It needs to be as small and compact as possible. - Experience with Arduino is a must. - Prior work with designing battery-powered devices is preferred. - Knowledge of LED circuitry is desirable. - Understanding of timing mechanisms for the LED blinks. - Ability to ensure efficient power usage for long battery life.

...smaller) incorporating the STM32 microchip for UART, SIM800L (GSM), and NEO-6M (GPS). The design should also accommodate a buzzer, mini LEDs, and USB-C charging, with provisions for battery integration (details to be finalized). Key Tasks: - Optimize the antenna design for GSM and GPS to ensure the best performance. - Create compact and efficient layouts that can withstand the rigors of a prototype. - Transition existing code from ESP32 to STM32. Key Considerations: - The primary focus of the PCB design is compactness. The smaller the PCB, the better. - The IoT device will be powered by a rechargeable battery, so consideration for this power source is crucial. - GPS accuracy is the most critical feature of the device, so the design should facilitate this. Ideal Skills ...

I'm looking for a skilled web developer to create a PHP and MySQL based website with 8 pages, featuring a modern and elegant design. The website will primarily serve as a platform for managing financial tables, with data being stored and retrieved from a database. Ke...further analysis. The pages of the site will include: 1. Categories and Pricing: Displaying items, prices, buyers, sellers, and profit margins. 2. Account Assets and Expenses: Summarizing the account's assets and expenditures. 3. General Account Information: Showing overall account details. Ideal Skills and Experience: - Proficiency in PHP and MySQL - Experience in creating user-access controlled websites - Previous work with financial data management systems - Ability to design modern, user-...

I'm seeking a skilled parkour actress for a stunt showcase. The primary focus is a fight scene. The project will take place in an indoor studio, allowing for controlled and safe stunt execution. Ideal Skills and Experience: - Proficient in parkour - Previous experience in stunt showcases - Ability to perform in an indoor studio setting - Japanese female preferred - Safety conscious and able to perform stunts safely and professionally.

My Huawei phone is stuck on the EMUI e-recovery page and I need an expert to help troubleshoot the issue. I was on a whatsapp phone call when it shut down due to a dead battery. Background: - I have already attempted all options I found online to fix the issue without success. - The cause of the problem is currently unknown to me. - There are some important files on the phone that I need to recover. Ideal Skills: - Extensive experience with Huawei phones - Proficient in troubleshooting software issues - Capable of diagnosing potential hardware problems - Skilled in data recovery Ideally, you should be someone who is well-versed with Huawei devices and can offer a solution to my predicament.

I need to remotely access serial ports over a 4G connection. My actual solution that is working is: REMOTE SIDE, this consists on a battery operated device controlled by 2 UART PORTS (RS232 9600 BAUD 8 byte transparent SERIAL (HARDWARE 2 X serial to Ethernet converter (MOXA 5110), 1 X Openwrt modified router with wireguard tunnel configured, 1 X 4G modem (ALSO INCLUDE 2 NORMAL IPCAMS (CCTV) CONNECTED TO SPARE ETHERNET PORTS OF THE ROUTER) LOCAL SITE , VPN SERVER, this is actually my local home network I used it since it's a stable and accessible network (1 X OrangePi with piVPN and wireguard, 1 fixed internet connection router) CONTROL SIDE, this is consists on the remote control of the device. Its a box with keys that "just" send and receive serial data ove...

I'm in need of an expert who can design a circuit aimed at preventing current from flowing into a primary battery. This circuit will be used in a hazardous environment and needs triple redundancy. Normally this can be done with 3 diodes in series (see example attached) but the voltage drop is too big with diodes. Battery is 3.6V and circuit needs at least 3.3V. The design must adhere to the following specifications: - Incorporate triple redundancy - Ensure minimal voltage drop across the circuit - The circuit must be able to withstand a malfunction in the main device that could produce up to 7.5V without allowing any current to flow into the battery - Background current consumption should be minimal Ideal candidates for this project should possess: - Extensiv...

I need an experienced PCB designer to enhance my existing design. The PCB will integrate 2 high power relay-based motor controllers, with one of the controllers designed for speed control using PWM (Pulse Width Modulation). The whole project will be powered by a 12V-14V car battery. One motor have 10A max current and the other one have 60A max current. The whole project is controlled by an ESP32 micro controller. Also i would like to integrate a 12V to 5V stepdown converter to power the ESP32. Key requirements: - Add relay motor control for forward and reverse motion. - Incorporate speed control for one motor with PWM. - Integrate overcurrent protection into the PCB design. - Integrate 5V stepdown converter for ESP32 Ideal candidates should have: - Strong bac...

I'm looking for a professional to assist me with the installation of a Level 2 (240V) EV charger for Tesla Model Yat my home. The ideal candidate for this project should have: - Extensive experience with EV charger installations, particularly Level 2 chargers - Strong knowledge about home electrical systems - Ability to provide recommendations for high-quality, reliable EV chargers Your role will involve: - Suggesting suitable EV chargers for purchase - Conducting the installation of the selected charger - Ensuring all installation work meets safety and quality standards I am keen to have this project completed as soon as possible. Please only apply if you are available for immediate start. Thank you.