12v battery charger circuit with overcharge protectionprojekty

...Secure login for hotel owners to manage their properties. Staff Management: Add and manage staff accounts with customizable access levels (e.g., admin, front desk, kitchen). Room Management Room Inventory: List of all rooms, including details (e.g., type, price, availability). Booking Management: View and manage all bookings, including check-ins, check-outs, and modifications. Sync with Aggregators: Integrate with platforms like , Airbnb, etc., for real-time availability and booking updates. Housekeeping Management: Track room status (clean, dirty, under maintenance) and assign housekeeping tasks. Food and Beverage Ordering Menu Management: Create and update food menus with prices, descriptions, and special dietary options. Order Management: Allow room servic...

...Android using Flutter or React Native). • Proficiency in creating wireframes and following UX/UI design principles. • Experience with integrating maps and GPS for location tracking. • Strong understanding of secure payment processing and transaction systems. • Ability to integrate access to phone contacts securely and effectively. • Strong app security knowledge, including encryption and data protection. • Excellent communication skills in English for clear collaboration and updates. • Experience creating customizable user profiles and Single Sign-On (SSO) for easy authentication is a plus. Preferred Experience: • A portfolio of previously developed apps with similar integrations. • Ability to collaborate effec...

I have an electrical circuit that needs to be redrawn for an academic project. This is quite urgent, so I would appreciate a quick turnaround. Requirements: - Redraw the circuit as a basic sketch - Deliver the redrawn circuit in PDF format Ideal Skills: - Proficient in circuit design and drawing - Quick and efficient - Able to deliver in specified format

...used for lifting equipment in a pulling and lifting gear environment. Key Project Features: - A joystick control system with high limit and low limit settings. - A double brake system for enhanced safety and control. - An integrated emergency stop button for immediate halts in case of unforeseen incidents. - Overload protection to prevent damage during heavy lifting. - An automatic braking system to ensure smooth and secure stops. - A variable speed 5hp motor, which will be built with a double brake and encoder for precise control. Ideal Candidates: - You should have a strong background in engineering, specifically in the design and construction of winches. - Experience with variable speed motors and double brake systems is essential. - Skills in creating c...

I'm in need of a long sleeve fishing shirt. The shirt should be made from polyester, as this is my preferred material. This shirt should also incorporate several key features: UV protection to shield against harmful rays during those long hours on the water, moisture-wicking to keep me dry and comfortable, and breathability to ensure I'm not overheating. Ideal skills and experience for the job would include: - Knowledge in garment manufacturing and materials - Experience in designing outdoor and fishing apparel - Understanding of fabric treatments for UV, moisture-wicking and breathability I have a logo but I want to change the fish in the centre to an Austalian Barramundi fish i have attached my rough design copies and would love to see these properly designed :)

I'm seeking an experienced circuit designer for a consumer electronics project, specifically a battery-powered NIR LED and sensor package. Key Responsibilities: - Create a circuit design incorporating a Nordic BTLE SOC, which handles both data transmission and device control. - Design for integration with a rechargeable battery pack, ensuring power efficiency and longevity. Ideal Candidates Should Have: - Proven experience in designing circuits for consumer electronics. - Expertise with NIR LEDs and corresponding sensor packages. - Proficiency with Nordic BTLE SOCs. - Skills in designing for rechargeable battery packs. - A strong background in power management and circuit optimization.

Hi, I am in need of an engineer that can finish designing my innovative pooper scooper that catches dog poop instead of picking it up from the ground. The pooper scooper I have created is electronic, it extends and retracts automatically with the push of a button. My engineer has designed the product with the handle being 4cm diameter. However we believe this is too thick and want the handle to be 3.5cm diameter. Therefore being able to fit all components (battery and everything else) inside. Is this something you are able to do? Below is a link to the 3D data of the pooper scooper: Thanks, Kyle

I'm looking for a competent writer to create 10 engaging articles about cybersecurity aimed at the general public. The main goal of these articles is to educate readers about various aspects of this critical field. The articles should cover the following specific areas of cybersecurity: - Data Protection: Discuss how to keep personal and sensitive data secure in our increasingly digital world. - Online Privacy: Explore the implications of data collection, surveillance, and how individuals can protect their privacy online. - Cyber Threats: Explain the different types of cyber threats out there, from phishing scams to ransomware, and how to recognize and respond to them. Ideal candidates should have a strong understanding of cybersecurity concepts and a proven track record of ...

I'm in need of a professional to help me remove the Lock My PC virus from my Windows system. - Operating System: The affected system is Windows - Antivirus: I cu...help me remove the Lock My PC virus from my Windows system. - Operating System: The affected system is Windows - Antivirus: I currently have an updated antivirus software, so a thorough scan and removal process is needed - Backup: I have backed up all my files, so there's no specific data that requires special protection Ideal candidates for this project should have extensive experience in virus removal, particularly with the Lock My PC virus. They should also be proficient with Windows operating systems and have a track record of successful virus removals. Please provide your experience and ...

I'm looking for a professional and clean table banner design for a Senior Resource Fair. The purpose of the banner is to draw attention to our booth. Please keep company brandin...professional and clean table banner design for a Senior Resource Fair. The purpose of the banner is to draw attention to our booth. Please keep company branding for United America Financial. Key Elements: - Our logo - Contact information - Services offered: Senior Benefits, Lifetime Retirement Income, Cancer Coverage, Supplemental Health Benefits, Dental/Vision, Mortgage Protection and More The ideal designer for this project should have experience in creating eye-catching yet professional designs. They should also have a good understanding of the needs and interests of a senior audience.

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...a professional web developer to create an e-commerce site dedicated to selling a variety of personal protective equipment (PPE). The website should cater to different categories of PPE including: - Masks and Respirators - Gloves and Hand Protection - Face Shields and Visors - Hi-Viz vest - Safety Boots - Eye protection - Hi-Viz trousers - Hard hats Key features of the site should include: - A reliable shopping cart and payment gateway - Product recommendations and cross-selling functionalities The ideal freelancer for this project would be someone with extensive experience in developing e-commerce websites, particularly for selling safety and protective gear. Knowledge about PPE, its various categories, and the related safety standards would be an added advantag...

I have an electrical circuit that needs to be redrawn for an academic project. This is quite urgent, so I would appreciate a quick turnaround. Requirements: - Redraw the circuit as a basic sketch - Deliver the redrawn circuit in PDF format Ideal Skills: - Proficient in circuit design and drawing - Quick and efficient - Able to deliver in specified format

...images, descriptions, prices, and inventory status. The product module should be SEO-optimized with metadata, keywords, and categorization to maximize visibility on both and search engines like Google. Live Shopping Integration: The platform should feature a live streaming function based on WebRTC or similar technologies to ensure seamless streaming with low latency. The function should include: Real-time chat, so customers can ask questions during live events. The ability to add products directly to the cart from the live video. Interactive features such as time-limited offers that are only available during the live event. Social Media Integration: The system should support integration with social media platforms such as Facebook, Instagram, and TikTok, enabling...

...time 40 hours work please only apply if you are available full time only for the following technology #Position - Blockchain Developer (at least 5 years of experience with C++, Java, Python, web3 and DSA is mandatory) hashtag#Exp – 8+ years hashtag#Location – Remote hashtag#Time_Zone_required – IST hashtag#Job_Description: Very Good at Web3 Advanced proficiency in programming languages, such as C++, Java, and Python. Extensive experience in back-end development, algorithms, and data structures. Knowledge of cryptography and blockchain protocols. In-depth knowledge of best practices in blockchain management and data protection. Advanced analytical and problem-solving skills. Superb organizational skills and keen attention to detail. Excellent communicatio...

...(in GMT and local time) - GPS location - Current temperature and humidity (sourced from a weather API) - Network quality (e.g., GSM, 3G, LTE, 5G) and phone serial number during shooting. 3. *Video Quality & Formats*: - Videos will be saved in flexible or maximum quality based on camera, phone, and connection quality. - Both vertical and horizontal formats will be available, with tutorials recommending horizontal shooting. 4. *User Library & Management*: - Videos will be automatically saved in the user's private library. - Users can add descriptions and hashtags for better organization and searchability. - Videos cannot be shared on social media. 5. *Security Features*: - Option to use Face ID or fingerprint authentication upon star...

...requirements and deliverables. If you can’t deliver the desired results on time with patience and respect, please refrain from bidding or contacting. Project: Most relevant lead/key individuals’ data within the top 26 global toys’ brands that are responsible for anti-counterfeit/brand protection activities within their company. (please MUST see the attachment). Project Overview: We are embarking on a research project focused on Brand Protection and Anti-counterfeit efforts within the top 26 multinational/international toys’ brands, as mentioned below “Top 26 toys’ brands”. The primary goal is to compile a comprehensive database (excel) of key personnel dealing with IP Enforcement/Anti-counterfeit/Counterfeit/Brand ...

...Intake and Management: 1) Ability to record product details upon receipt including the date received, SKU, quantity, and condition. 2) Optional feature to upload an image of the product. 3) Dropdown menu to select the sales agent associated with the product sale. 4) Automatically assign a repair timeline of 5 days upon entry, visible on the dashboard. 5) Auto-assign technicians to each product, with the ability for admin to manually reassign technicians as needed. Repair Phases Tracking: 1) Distinct phases within the app: Testing, PCB Change, Battery Change, Accessories Replacement, Final Testing, and Ready to Dispatch. 2) Ability to update and track progress through these phases. Warranty and Payment Filtering: 1) Integrated filtering at the point of pr...

**Title:** **Develop an AI-Powered Tokenomics Advisor Platform with Interactive Analytics** **Description:** We are seeking an experienced developer or team to create an AI-powered tokenomics advisor platform. The platform will serve both project founders and investors by providing in-depth analysis, ratings, and recommendations on cryptocurrency tokenomics. **Project Overview:** Our platform aims to: - **Analyze Tokenomics:** Evaluate submitted tokenomics models and provide comprehensive reports. - **Rate Projects:** Classify projects into categories like 'degen', 'blue chip', 'normal', etc. - **Offer Interactive Support:** Include a chat agent that provides analytical assistance and answers queries. - **Visualize Data:** Present data through dash...

I'm looking for an expert in GPS technology to help me produce a personal tracking device. I have drawings of what the product should look like. I need somebody to do the technology piece and material sourcing to make it happen. Key Features: The device will be very small. It will need a lifetime battery. It will be inside a bio glass tube that is 2mm x 12mm. - The device's primary function will be to provide real-time location updates. This is crucial for the device's usability and effectiveness in tracking. User Demographic: NDA Ideal Skills and Experience: - Proficiency in GPS technology and device development. - Experience in designing user-friendly and versatile tracking devices. - Understanding of real-time location tracking systems. - Ability to incorpor...

NEW UPDATE: Check attachment for instructions ----- UPDATE: #d7d9d9 Use this as background color *NO MOCKUPS* ------ I need a logo for a Mobile Battery Storage company We carry batteries in the back of a van name: "mBESS" No tagline Suggestion from client: You can make the "m" itallic Style: any May the best one win

DockDice: An Overview of the Game Concept - The gameplay will be similar to - Not exactly, just for reference. **Introduction** DockDice is an exciting online dice game that brings the thrill of real-time gameplay to players through live streaming. The game is designed to be easy to understand and engaging, combining traditional dice rolling with interactive betting options. Here's a plain English explanation of how DockDice works to help your development team grasp the concept. --- **Game Components** - **Dice Used**: - **Four Dice Total**: - **Three standard black-and-white dice**. - **One special red die** used for an optional side bet. - **Dice Rolling Machine**: - A physical, automated machine that rolls the dice. - The machine is

I need a new program and circuit board for an arcade claw/crane game. The key requirement is to enhance the game controls, particularly by making them customizable. Key Features: - Improved Game Controls: The new program should allow for customizable control settings. - Customizable Game Difficulty: The game needs to be adjustable in difficulty, providing a challenge for all skill levels. Ideal Skills: - Experience in game programming and circuit board design is a plus. - Ability to create interactive, user-friendly controls. - Previous work with arcade games or claw machines is highly desirable.

I'm seeking an expert to review my PCB for EMI/EMC issues and suggest layout improvements. The primary aim is to ensure compliance with Australian regulations. The product is a grain weightometer for measuring grain going over a convetor and into a truck using loadcells and a speed sensor. This will be used in a ag environment and fed from a 12v battery/12v alternator on a petrol motor. Key Tasks: - Conduct a thorough EMI/EMC review of the PCB. - Conduct transient suppresion review - Propose layout improvements, particularly focusing on component placement and trace routing. - Advise on grounding strategies to enhance compliance and performance. -Advide on power input filtering -General design review Ideal Candidate: - Extensive experience in PCB design ...

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...device, please reach out! Key Details: - I will order all the necessary parts Ideal Skills: - Proficiency in both mechanical and electronic assembly - Circuit Design & PCB Development: Expertise in creating circuits for microcontrollers and sensor systems. Sensor Integration: Ability to work with water flow sensors and process signals for accurate measurements. Embedded Programming: Proficient in programming microcontrollers (e.g., Arduino, Raspberry Pi) for data processing and control. Wireless Communication & IoT: Familiarity with protocols like Bluetooth, Wi-Fi, or ZigBee for real-time data transmission. Power Management: Knowledge of battery efficiency and low-power design. Data Analysis & Algorithm Development: Experience in developing algo...

I'm working on a radio project and I need assistance interpreting a mixed-signal circuit diagram. My primary goal is to grasp the design thoroughly. Key Areas of Interest: - Signal Processing Section: I need insights on how signals are handled within this part of the circuit. - Input/Output Interfaces: I want to understand how the circuit interacts with external components. Ideal Skills: - Proficient in circuit design and interpretation, particularly mixed-signal circuits. - Experience with radio circuit design would be advantageous. - Strong communication skills to explain complex concepts in an understandable way.

...wordsmith to help me come up with funny and clever short quotes that combine the themes of data protection in cybersecurity and surfing at the beach. These quotes will be printed on company T-shirts, so they need to be catchy and appealing. Key Requirements: - A solid understanding of data protection concepts in cybersecurity, with the ability to translate these into humorous quotes. - A good grasp of beach or surfing culture and terminology, to ensure the quotes are relatable and fun. - Excellent creative writing skills, with a knack for crafting short, punchy phrases that will fit on a T-shirt. - Experience in creating content for promotional materials would be a plus. The aim is to create T-shirts that not only promote our company's commitme...

I'm looking for an experienced developer to build a basic cash application for sending and receiving money. This app should be compatible with both iOS and Android platforms. Key Features: - Core functionality: The app should primarily facilitate the sending and receiving of money. Ideal Skills: - Proficient in iOS and Android app development. - Prior experience with developing financial applications would be a plus. Security: - The app should incorporate basic security features, primarily PIN and password protection. Please provide examples of similar projects you've completed in your proposal.

I'm seeking an experienced cybersecurity expert to bolster my Linux server's defenses against potential DDoS attacks, primarily targeting HTTP/HT...bolster my Linux server's defenses against potential DDoS attacks, primarily targeting HTTP/HTTPS traffic. Currently, I've implemented some basic protective measures, including firewalls and rate limiting. However, I believe my server's security could benefit from more advanced strategies. Ideal Skills: - Extensive experience with DDoS attack prevention - Proficient in Linux server management - Knowledgeable in advanced firewall and rate limiting techniques - Familiar with HTTP/HTTPS traffic patterns - Cybersecurity certification preferred. Your expertise will help ensure my server remains secure and...

I am looking for help writing program and specifying hardware for a relay controller. I have started with m5stack core2 esp32 system but I could not achieve what i wanted and the hardware is too expensive for production. I would like - List of hardware needed for my project all CE marked.( I have no idea what works best) - Software / Fimrware for suggested hardware - Mobile app Android first IOS later. Program functionality: - Control 3 pumps (12v) - Manual mode for all 3 pumps - 2 pumps to be activated based on a set time/ day of the week, quantity in ml (Automatic mode). - Pump 3 runs as a purge function, it must run after pump 1 or 2 to clean the lines. - Calibration function for pumps 1 and 2. - Possiblity to connect to wifi network - Possibility to change timezone - RT...

I'm looking for a skilled back-end programmer with expertise in HP Laravel. The project is primarily focused on server-side scripting. Key Responsibilities: - Develop and manage the server side of the application - Ensure high performance and responsiveness to requests from the front end - Implement security and data protection measures Ideal Skills: - Proficiency in HP Laravel - Experience with server-side scripting - Knowledge of security and data protection measures - Ability to work on high-performance applications Please note that: this project requires API development or database management. Experience with user authentication, data storage and retrieval, or real-time updates is not necessary but would be a plus. We are looking forward to ...

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I'm seeking an expert in energy storage management to create a system designed for optimal battery usage in a residential microgrid, aiming primarily at reducing electricity costs. Key Responsibilities: - Develop an energy storage management system - Implement automated energy distribution functionalities within the system. Ideal Skills: - Extensive experience with Lithium-ion battery systems. - Proven track record in designing cost-effective energy management systems. - Expertise in developing automated energy distribution systems.

I'm seeking an expert in circuit design to create a small, 2-inch diameter circuit. The device should have an LCD display to show: - Item counter (displays quantity of items inside a bottle) - Weekday (from Sunday to Saturday, with up/down buttons for adjustments) - Simple clock (with AM/PM notation) The circuit should also include a mode button to switch between these functions. Ideal candidate should be proficient in circuit design, with a strong understanding of LCD displays and battery-powered devices. Experience with designing compact circuits is a plus. Please note that the necessity for battery backup functionality is currently uncertain, but it would be beneficial if the design could accommodate this fea...

...robotic. This car should be capable of: - Avoiding obstacles - Following a line - Being remotely controlled It should also come equipped with a camera and WiFi for real-time feedback and control. The car's obstacle detection system should utilize infrared sensors, and the camera's primary function will be image capture. Also it uses four motors for omnidirectional three ir sensor for line included ultrasonic sensor. Thw circuit should be compact design where user can just plug the additional component to the external driver to operate the rest devices The ideal candidate for this project should have substantial experience with Arduino programming, robotics, and remote control systems. Knowledge of using and integrating cameras into robotic systems is a...

The Mppt controller has a maximum power of 1kw, Arduino code + ESP32. Work to be done -Update firmware to 11 kw solar/wind - Megacapacitors control -Ats control between *External charger * Battery . * Megacapacitor *Power wind solar * Pure wave inverter

I'm looking for a clear, glossy hard plastic case for my Kobo Aura hH2O edition 2 eReader. The case should be sturdy yet lightweight, providing excellent protection without adding unnecessary bulk. Ideal Skills and Experience: - Proficiency in product design, particularly for electronic devices. - Experience with hard plastic materials. - Understanding of eReader design and functionality. - Ability to create a glossy finish.

...payment links that they can share with their customers to accept payments. You are free to use any payment gateway (including Stripe) behind the scenes to process payments. This challenge is designed to evaluate your ability to build a production-ready system while considering security, analytics, scalability, and how you leverage modern tools, including AI. You'll be judged on technical execution, decision-making, code quality, and ability to communicate and document your thought process. --- ## Requirements ### 1. **Payment Links Application** - Users should be able to create payment links by entering details like: - **Amount** - **Currency** - **Description** - **Expiration date** - Once a payment link is created, a URL should be generated and shared with...

...for, e.g. battery, LCD, hard drive, etc), and get the bill of materials to find this part number based on serial and/or model numbers provided by the senders. Key Tasks: - Develop an AI model that can comprehend and interpret email content. - Implement a lookup system against manufacturer bill of materials data sources. - Ensure the AI can reference various data sources including External APIs, CSV/Excel files, HP / HPE Partsurfer, and Lenovo Parts Lookup. Integration: - The AI system needs to be integrated directly with Office 365 emails and read all inbound emails. It will respond to the sender directly if it has the part number, or move the email to a folder if not. === ACTION PLAN AND WHAT IS REQUIRED Phase 1: (this contest) - extract that data and populate a spr...

I'm in need of a Certified Engineer who can draft a Requisite Plan Document (RPD) sealed and valid in Virginia. T...Certified Engineer who can draft a Requisite Plan Document (RPD) sealed and valid in Virginia. This is for the installation of a Level 2 (240V) electric vehicle charger in a commercial property. Requirements: - The charger is intended for personal use. - Basic information about the commercial building's electrical system will be provided, which includes voltage and amperage. - No additional documentation apart from the RPD with seal is necessary. Ideal Skills and Experience: - Licensed Certified Electrical Engineer. - Previous experience with drafting RPDs. - Competent understanding of commercial electrical systems. - Ability to work ...

...building. Familiarity with standard practices in the USA and a comprehensive understanding of the 2017 NEC (National Electrical Code) is essential for this project. Key requirements: - Redesign power and lighting plans so that they will be approved by inspectors. - Ensure compliance with the 2017 NEC. - Utilize my existing digital blueprints for the daycare and apartments. Ideal skills include: - Expertise in electrical engineering and architectural design. - Previous experience with commercial building power and lighting plans. - Ability to work with digital blueprints effectively. Power and lighting plans were reviewed by two electrical inspectors who then rejected them. They both explained to me that the power outlets for the daycare need to be "t...

I have two power sources, inverter and grid (230v Ac), I have a 200-watt sensitive load. I want to design a module using MOSFETs. Flickering free switching, Can someone suggest a circuit diagram for this?

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Hello Freelancers, I am seeking a qualified tutor to create a comprehensive PTE Exam video tutorial course for my institute and YT channel. Course Topics to Cover: PTE Exam Overview Speaking & Writ...be delivered in Hindish (a mix of Hindi and English). Videos should not feature the tutor's face. An IP agreement must be signed to ensure that all content created will be owned by my institute and cannot be reused without permission. Data Protection Policy: We take data protection seriously and will ensure that all personal information shared during this project will be kept confidential and used solely for the purpose of this course. If you have experience in teaching or tutoring for the PTE Exam and can meet these requirements, please get in touch with your...

I need an expert who can configure an ESP32 CAM module to capture images for security surveillance. This module will be deployed outdoors and powered by a battery. Key Requirements: - Expert in working with ESP32 CAM modules - Experience in outdoor surveillance setups - Knowledge in optimizing battery usage for longevity - Skills in coding for snapshot capture at intervals from STM32F767ZI custom board equipped with ESP8266 Wifi chip Please provide a bid only if you have the relevant experience and expertise.

Development Document: Frontend, Backend, and Admin Panel Table of Contents Overview General Requirements Frontend Development Requirements Menu Click Limitation Copy and Debugging Protection Multilingual Support Membership Plan Selection Interface Agent Page Backend Development Requirements Software Update System Invitation System Membership Pricing and Plan Modification Agent Membership Functionality Enterprise Functionality (Management Center) Card Code Redemption System Exclusive Membership Line Settings Email Configuration FAQs and Banners Management Copywriting Management Admin Panel Requirements Multilingual Switching Login Security Enhancement Order Management User Management Online Status Display Data Statistics and Reports Task Center (Planning Center) Development Notes Det...

...including a logo, fonts, and color schemes, that align with the holistic wellness theme. This website will educate users, provide resources, and foster a community around alternative healing practices. Objectives: Develop a fully functional, responsive, and aesthetically pleasing website. Create a cohesive brand identity that reflects the essence of alternate healing and wellness practices. Ensure the website has an intuitive interface, integrates SEO best practices, and includes engaging multimedia content. Provide branding materials including logo design, fonts, and color palettes to create a strong, recognizable identity. Key Deliverables: 1. Website Development: Home Page: Visually rich introduction to alternate healing practices with a hero image, brief overview, ...

Hi, We are looking of creating game something like: At the moment we are at the stage of preparing the concept for the Client and we would like to find out t.../ wagon, where we have 3 paths that the user can follow. On each path there are obstacles and coins - the user must avoid the obstacles / but collect the coins. * Additionally, we would like to add a tilt / jump to the game - so as to diversify the obstacles * control with arrow keys on the keyboard * The graphic design will be created on our side, in cooperation with the Creator * Since the game is to be a competition - good protection against fraud would be needed - checking the possibility of obtaining the result, protection against changes by the user, etc. * Game will be part of website

...including a logo, fonts, and color schemes, that align with the holistic wellness theme. This website will educate users, provide resources, and foster a community around alternative healing practices. Objectives: Develop a fully functional, responsive, and aesthetically pleasing website. Create a cohesive brand identity that reflects the essence of alternate healing and wellness practices. Ensure the website has an intuitive interface, integrates SEO best practices, and includes engaging multimedia content. Provide branding materials including logo design, fonts, and color palettes to create a strong, recognizable identity. Key Deliverables: 1. Website Development: Home Page: Visually rich introduction to alternate healing practices with a hero image, brief overview, ...