12v battery charger switching circuitlavori
...Ability to integrate bots into the app, similar to Telegram. - **Public and private channels**: Allow users to create channels for broadcasting content to a wide audience. - **Polls and voting** within group chats. #### **7. Performance and Reliability:** - **Hybrid app** developed using frameworks like React Native or Flutter to ensure high performance on both Android and iOS. - **Efficient battery and data usage**. - **Fast loading times** and **minimal latency** for calls and message delivery. #### **8. User Privacy:** - **No unnecessary data retention**. - **No tracking** of user activity. - **Transparent privacy policy**, ensuring maximum user confidentiality. #### **9. Optional Integrations (Future Development):** - **Peer-to-peer secure payments** (e.g., cryptocurrency ...
vorrei realizzare un app ios di monitoraggio parental control, l'app dovrà acquisire quante piu informazioni possibili al momento del bisogno da una console remota. Le informazioni da acquisire sono Device battery Device Identification Device GPS Device Microphone Chat Keyword identification
Cerco sviluppatore blockchain per creare circuito di fidelizzazione basato su blockchain SHA256 con app Android/iOS per i clienti e negozi. La blockchain è già attiva incluso pool ed explorer. Seeking blockchain developer to create SHA256 blockchain based loyalty circuit with Android / iOS apps for customers and stores. The blockchain is already active including the pool and explorer.
Ciao. Mi serve aiuto per completare il mio progetto. mi serve una persona che consce il mondo delle batterie (nel mi caso 12v 100ah deep cycle che), perche devo creare un sistema che mi permette di alimentare tramite batterie (ed un inverter) un motore 220v e che si ferma o parte secondo la tensione delle batterie.
Salve Adil, avrei la necessita di disegnare e realizare un piccolo circuito per hotswap di 2 batterie 12v in un sistema elettronico che alimentop un piccolo computer. Il tempo é molto ristretto. Sarebbe possibile per lei studiarlo e realizzarlo?
Le luci sono 24 devono accendersi a gruppi con 24x7 + 24x7 combinazioni che commutano sequenzialmente ogni ora. Potrebbe essere semplicemente un clock e una rom con inserite le combinazioni che avanza con step di un’o...avanza con step di un’ora. Controllo manuale avanti-indietro per sincronizzare la sequenza con l’ora del giorno (resettamdo il clock al 0 minuti e zero secondi ad ogni selezione) e un selettore per selezionare il primo gruppo di sequenza 24x7 o il secondo. Un piccolo display a 4 cifre indicante la sequenza (prime due cifre 1/24 terza cifra (due simboli selezione sequenza) quarta cifra 1/7 24 output 12v 5 w continui - alimentazione 12 v. Serve un campione completo (pensate ad un sequenziatore che selezione un codice a 24 bit ogni ora per tutta la set...
...LOAD THE BATTERIES OFTEN. I HAVE BEEN ARRANGED WITH SENSORS DISASSEMBLED BY LUCINE IKEA, THEN I HAVE DISAPPEARED WITH LIBRARIES, INTERRUPTS, NANO, MICRO, MOSFETS ... BUT MY WORK IS TO MAKE THE ARTIST. I HOPE THAT THE ARDUINO PROGRAMMING - OR EVEN BETTER THAN AN ATMEGA OR SIMILE MICROPROCESSOR, SIMPLIFY BOTH THE CIRCUITINO AND THE CONSUMPTION. THE STARTING IDEA IS THIS: A BATTERY CHARGER CONNECTED TO A 6000MAH LIPO BATTERY (SO MUCH TO EXAGGERATE) A CURRENT PARTNER THAT MODULES BETWEEN THE PIR AND, VIA MOSFET, LEDS. CAN IT WORK? MAYBE YOU HAVE IDEAS LESS ROZZE OF MY AND YOU WILL MAKE ME A REASONABLE ESTIMATE, PICCOLO PROGETTO (CON ARDUINO?) VOGLIO POTER COMANDARE DEI LED (MAX 18) CON UN PIR E UNA ACCENSIONE LENTA (PWM?). È TUTTO. LA COMPLICAZIONE STA ...
vorrei realizzare un prodotto con l'ausilio di Arduino. componenti: 2 comandi a distanza wireless devono comandare due lampade diverse e un avvisatore acustico con tempi di illuminazione e avviso programmabili. il tutto alimentato da una batteria ricaricabile a 12V
...vibrazione zona natiche (8 motori) - Un motore a vibrazione zona cosce - Otto modalità di massaggio - Tre intensità di massaggio - Posizione Massaggio specifico può essere attivato singolarmente - Potente cuscino riscaldatore separato, migliora la circolazione del sangue - L'impostazione dell'ora è (manuale) 10/20/30 (ATO) 15 minuti - Leggero, portatile e facile da riporre - Interruttore DC 12V adapter/3A - Potenza: 30W - Motore RPM: 2460 freeload 2210 sul carico - EMC C4-M20502-0443-E-16 - RoHS WT06091595 INTENSITA '1 = 905 RPM INTENSTIY 2 = 1350 RPM INTENSITÀ 3 = 1850 RPM INTENSITÀ 4 = 2050 RPM INTENSITÀ 5 = 2250 RPM (Hertz è 1/secondo e RPM sarebbe 1/minuto) hertz * 50 = RPM RPM / 50...
piccolo sketch Arduino per comandare in sequenza 3 motori DC 12V attraverso relais A) modalità DESTRA, partenza con pulsante A B) Modalità SINISTRA, partenza con pulsante B
design a custom electric circuit then PCB with my electronic component.
vorrei progettare una nuova batteria (per cellulari e pc) che sia meglio di quella in litio utilizzata per gli iphone che abbia una maggiore durata e che possa permettere il minimo spreco di consumi di energia e una maggiore durata di 4-5 giorni
il programmatore che avevamo ha abbandonato il lavoro di sviluppo a circa l'80% del lavoro. Sono alla ricerca di un programmatore Android BRAVO per finire il restante 20%. Il lavoro da completare è svolto su funzioni quali: -Modifiche grafiche -Creazione animazioni -FB e TW API -Utilizzo RAM -Risoluzione problemi battery drain -Geolocalizzazione -GMaps API Si tratta di circa 20 giorni di lavoro full time e purtroppo si dovrà lavorare su un codice scritto da un altro.
100% nuovo di alta qualità agli ioni di litio. Usa l'ultima tecnologia della batteria agli ioni di litio. Microchip integrato impedisce il sovraccarico e allunga la durata della batteria. La miglior batteria di ricambio per il vostro telefono. Quantità: . 1PCS tensione:. 3.7V Capienza della batteria: 2680mAh.
Il circuito consiste nel verificare lo stato della batteria dell'auto, sia a motore spento che a motore acceso. Una volta avviato il motore, lo strumento verifica anche se l'alternatore carica regolarmente la batteria o se ci sono dei problemi. Cerco qualcuno che sia interessa a produrlo e a metterlo in commercio.
Hi Requirement is full setup of amibroker with zerodha for fully automated trading So I just have to code and put entry exit signals Should run without switching on computer Back testing, paper trading, data feeds , etc everything needed should be sorted put
I'm in need of a circuit board designed to continuously monitor the voltage of a battery bank comprising 24 cells. This circuit board should have the following features: - Real-Time Display: The circuit should have a digital readout for real-time monitoring of the battery voltage. The readout should be clear and easy to interpret. The ideal freelancer for this job should have a solid background in electronics and circuit design, and experience with creating circuit boards for battery monitoring. They should also be able to create a digital readout that is user-friendly and reliable. It should be rotable for finding individual cells voltage as and when required
I'm seeking a professional to design an electrical single line diagram (SLD) for a new installation. The ideal freelancer should have substantial experience in electrical engineering and SLD design. Skills in CAD software and a deep understanding of electrical systems are essential. Please note, the SLD requires a detailed design incorporating circuit breakers and switches, load distribution, as well as cable and conduit sizes. Your expertise will ensure the design is both functional and compliant with industry standards.
...update the logo for our motor racing owners association, Heritage Touring Cars - The Legends of Bathurst. The new design should reflect a retro theme from the 1970s, 1980s, and 1990s, while also conveying the primary message of speed and excitement. Key Responsibilities: - Conceptualize and design a logo that captures the thrill of racing. - Consider incorporating various elements connected to circuit racing, such as car imagery, racing flags, and track elements. - While I'm open to retaining aspects of the current logo, I'm equally happy to consider a completely new design. Ideal Skills: - Proficiency in graphic design software. - Strong understanding of retro design aesthetics from the 70s, 80s, and 90s. - Experience with logo design, particularly for sports or rac...
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I'm in need of an experienced embedded software engineer to assist in the development of software for an ATSAM and ATMEGA microcontroller. The primary focus of this project is to implement functionalities for a Battery Management System (BMS). Key Responsibilities: - Implement communication protocols (I2C and CAN) - Develop embedded software for sensor data collection and motor control BMS Features to be Developed: - Battery monitoring - Charge/discharge control - Balancing management Ideal Skills & Experience: - Extensive experience with ATSAM and ATMEGA microcontrollers - Proficient in I2C and CAN communication protocols - Prior experience with developing embedded software for BMS - Strong skills in motor control and sensor data collection software development.
I am seeking an RF engineer with experience in telecommunications. The project involves working on two questions. Ideal Skills: - Proficiency in RF engineering principles - Experience in telecommunications applications - Knowledge of circuit and antenna design - Understanding of signal propagation and RF optimization techniques - Ability to conduct interference analysis and frequency planning
I require a complete appellate brief for the 11th Circuit. This project requires meticulous legal analysis and case law research. The brief should cover any potential issues on appeal, including procedural errors, legal misinterpretations, and instances of insufficient evidence. Key responsibilities: - Conduct thorough case law research to identify relevant precedents and legal principles - Write a comprehensive legal analysis to support the appeal - Draft the brief in accordance with the court's requirements Ideal candidates will have: - Extensive experience with appellate brief writing - A strong understanding of the 11th Circuit's legal standards - Excellent research and legal writing skills Please note, the brief should be written in a manner that is suitable for su...
1. Project Overview Project Name: Doctor & Patient App Enhancements and Bug Fixes Current Status: Both Android APKs (Doctor and Patient) are live. Backend is up and running. Several bugs/functional issues have been identified (see error list below). Additional features are requested (payment gateway integration, camera switching, preventing phone screen lock, etc.). Primary Objectives: Error #001 Description: After approving a request, the next page does not load (stays on "Awaiting Approval"). Notes from Your List: Not explicitly mentioned in your table but is in Milestone 1. Backend?: Likely YES (approval flow) Frontend?: Likely YES (UI state/transition) Error #002 Description: Unable to upload profile pictures for either doctors or patients. Notes from Your Lis...
I'm looking for a skilled PCB designer who can provide a Gerber file based on a circuit diagram I will provide. Key details: - The PCB will primarily be used for testing, so it should be designed with this purpose in mind. - There are no specific size requirements for the PCB, so flexibility is available. - The type of PCB design (single-sided, double-sided, or multi-layer) has not yet been decided and will depend on your professional recommendation. Ideal Skills: - Proficient in PCB design software. - Experience with generating Gerber files. - Knowledgeable about industry standards for testing PCBs. - Strong understanding of various PCB types and their applications. Please only bid if you can show relevant experience and can provide examples of past PCB designs.
I'm in need of a circuit board & Flex PCB Style wiring for a lithium battery pack design. Specifically for a custom battery pack for electronics installed into a harsh environment. The main function of this circuit board is to provide a fuse and diode to ensure the each battery pack does not discharge in event of different voltage, but it must also physically easy to manufacture the battery pack. Key requirements: - Expertise in designing circuit boards for consumer electronics - Proven experience with power management circuit boards - Ability to design for low power specifications Skills and experience that would be advantageous: - Creativity in designing efficient power management solutions I have attached a word docume...
...4. Testing and Validation: Comprehensive testing to ensure device reliability and performance under various conditions. Validation of MQTT communication and call functionality. Compliance with relevant regulatory standards for communication devices. 5. Deliverables: Fully functional hardware prototype. Source code for firmware and software applications. Detailed documentation, including circuit diagrams, firmware logic, and user manuals. Post-project support for bug fixes and minor enhancements. Skills Required: Proficiency in hardware design and embedded systems development. Expertise in 4G and LoRa technologies. Experience with MQTT protocol and secure communication implementation. Familiarity with voice call integration in embedded systems. Strong knowledge of po...
I need an expert PCB designer to create a multi-cell LiPo charger for me. The charger should be able to manage multiple LiPo cells simultaneously, offering balanced charging to ensure all cells are charged equally. Features Required: - Overcharge Protection: This is crucial to prevent damage to the cells and ensure safety during the charging process. - Balanced Charging: As mentioned, the charger should be capable of balancing the charge across all cells. Power Source: - The charger will be powered via a DC adapter. Ideal Skills: - Extensive experience in PCB design, particularly for multi-cell chargers. - Proficiency in designing circuits with overcharge protection and balanced charging capabilities. - Familiarity with DC adapter powered devices. Previous w...
Key Features Required: Property Listings: A user-friendly interface for agents and property owners to upload property details (photos, descriptions, prices, etc.). Search Functionality: Filters for location, price range, property type, amenities, etc. BTC Payment Integration: Secure cryptocurrency payment options through BitPay and an escrow service like Bitcheck, alongside traditional me...robust backend for managing listings, monitoring transactions, and ensuring quality control. Mobile Optimization: Fully responsive design for desktop and mobile devices. Trulia-Inspired Aesthetic: Clean, modern design similar to , with branding, graphic design, and logo provided by us. Bilingual Support: The website must be available in both English and Spanish, with seamless language switching.
I'm looking for a skilled Android developer to create a foreground service and restarts after being killed. This service is intended to log charging and discharging events and provide a continuous notification displaying live data when the battery reaches a critical level. You need to ensure the service complies with all Android background process policies. Key Requirements: - Expertise in Android app development, specifically with creating and implementing foreground services. - Understanding of Android's background process policies. - Ability to create ongoing notifications on the status of the service. - Experience with tracking and logging system events. Please ensure your bid reflects your understanding of these requirements and your ability to deliver.
...Desktop, Administration and Deployment - Extensive PowerShell scripting - Windows Server (2012 R2, 2016, 2019, 2022) - Ability to learn and manage applications in an enterprise environment - IT Security solutions and applications ===== PLUSES===== - Programming and development experience (C, C#, Python, etc.) - Knowledge of internet firewall and Ethernet switching in a business environment - Proficiency in: GP's, Basic TCP/IP switching and routing and firewall knowledge, security - Virtual Server (VMware/Hyper-V) - AWS Cloud Experience (Deployment, Administration, Support) - Sophos IT Security (Deployment, Administration, Support) - Certifications: MCSE, MCP and related vendor certs and specialties (experience and aptitude are desired over certifications) - Connectw...
I'm in need of a MATLAB expert to design a DC power supply for me. Specifications - Output Voltage Range: 5-12V - Maximum Current Rating: 5A - Additional Features: Overvoltage protection and Current limiting Ideal Skills - Proficiency in MATLAB - Experience in designing DC power supplies - Knowledge of power supply safety features Please, if you have the necessary skills and experience, bid for this project.
I'm seeking a professional videographer to film my podcast. The filming will occur at my home, and we're looking for someone capable of using multiple camera angles, rather than just a single static shot. Key Requirements: - Filming the entire show - Using multiple camera angles Ideal Skills: - Experience with filming in a home setup - Proficiency in using and switching between multiple cameras - Prior experience filming podcasts or similar content
I need assistance with my WordPress site where the article editor refuses to load. It started unexpectedly without any recent updates or changes. Despite my attempts at troubleshooting — deactivating plugins, switching to a default theme, and clearing the browser cache — the issue persists. Ideal skills and experience for the job: - Extensive knowledge of WordPress - Experience in troubleshooting WordPress issues - Familiarity with WordPress plugins and themes - Ability to provide prompt and effective solutions
I'm looking for a professional who can create a design and/or a prototype of waving flags in GIF or MP4 format, i need all flags of the world for a motorsport closed circuit, those flags will be showed on podiums on digital screens. all the flags have to have the same animation, it should be very smooth and gentle animation like "" or maybe like "" avoiding to cut borders like "" do. any further idea will be appreciated, for sure it will be considered to get almost 3-4 examples before selecting the right one and produce all the world flags. images are required to be 1920x1080 format
...following criteria: Factory-manufactured modules. Shipped and assembled on-site. Modules must align with the provided dimensions and structural requirements. Compliant with the AU/NZ Building Code. Able to withstand Category 4 cyclones and meet seismic design requirements for earthquake-prone areas like Tonga. Sustainability Integration Incorporate sustainable features, such as: Hybrid Solar & Battery energy systems (Site Location is at 21°08'41.4"S 175°11'36.5"W) Water management systems (e.g., rainwater harvesting, graywater reuse). Waste disposal solutions. 3D Renderings and Visualization Create sketches or 3D renderings to visualize the modular structure, including: Lodge design with rooms and verandahs. Café design with dining areas. ...
I am switching course platforms, and I need someone to download my MP4 course videos and organize them by topic. The organized videos should be named using the topic name only. Ideal skills for this project include: - Proficiency in downloading and handling MP4 video files. - Strong organizational skills. - Attention to detail in naming conventions.
I'm looking for a detailed comparison between Trainman Lanterns using disposable batteries and their rechargeable counterparts. Key Criteria: - Price: Analyzing cost-effectiveness between the two battery types. - Battery Life: Assessing longevity and performance of both options. Ideal candidates for this project should have a strong background in electronics and economics. Proficiency in data analysis and comparison is crucial.
...Implement a subscription-based VIP model using Google Play Billing (Android) and Apple’s In-App Purchase system (iOS). User Interface Clean, intuitive design adhering to platform-specific guidelines: Android: Material Design. iOS: Human Interface Guidelines. Dashboard for: Connection status. Server selection. Subscription details. Performance Optimization Low battery and memory usage. Fast server connection and seamless switching. Development Process Planning and Research: Review documentation for Server and Client APIs and Xray-core. Finalize app features, workflows, and architecture. UI/UX Design: Create wireframes and prototypes for both platforms. Conduct usability tests and refine designs. API Integration: Set up communication with Server and...
Transferring Wordpress from server to server and switching the domain between servers. The site exists. With all links preserved. Current cyberfolks hosting switching to home with options supporting wordpress. (hosting purchased) Plus making a new graphic design, minimalistic similar to what is (or something more interesting) Most importantly, perfect work on mobile devices phones + page speed tests in green in tests. A local company's site so according to Google guidelines to maintain position. This is a site of a small contractor of various installation works. It is important that all links and their form are completely unchanged. At the moment I use elementror for editing, in fact I even like it and I have already mastered it, so I would like to stay with it b...
I'm looking for an experienced Arduino programmer and circuit designer to build a simple circuit that can send readings from two fuel optical sensors over the longest range radio available. Key Requirements: - located in Great Britain - Knowledge in Arduino programming and circuit design. - Experience with fuel optical sensors preferred. - Proficient in implementing long-range radio communication, ideally LoRa. - Ability to design a battery-powered circuit. The circuit should take readings from the two sensors, which output 5V when in air and a neutral 3 wire, and send these readings over the radio. The circuit will be powered by a battery.
...WolframAlpha, Wikipedia, and other APIs. Mode Switching: The device should operate in two modes: Basic Mode: Functions as a simple calculator with standard operations. Advanced Mode: Unlocked via a secret code, revealing a custom GUI to input queries and access hidden features. Custom Input System: The numeric keypad will allow dual functionality, with specific key combinations (e.g., pressing M+ and 7 together for "/") to input characters discreetly. Stealth Design: The device should resemble a typical calculator, with hidden ports (microSD, nanoSIM, and microUSB) accessible only after removing a back panel. Battery Optimization: A 1500mAh battery should support at least 8 hours of continuous operation, with charging via microUSB/regular AAA battery...
...uses pdfjs to read PDF files. The file reader fails to open PDF files on iOS 16 and above, while it works fine on Android. There are no error logs generated, and I suspect it could be an issue with a third-party dependency. Your task would be to: - Fix the current dependency and update it to a newer version of the PDF reader if necessary. - Ensure compatibility with iOS 16 and above. - Consider switching to a different dependency if the current one can't be fixed. Skills and Experience Needed: - Proficient in iOS app development with Cordova. - Extensive experience with pdfjs. - Strong problem-solving skills. - Familiarity with managing and fixing third-party dependencies. Please note: the primary focus should be on fixing the current dependency, as it may still be the mo...
I've developed the skeleton of 1st few pages of web app which are basically calculators which help auto-calculate things based on numeric input and dates. I've hit some repeated errors with AI transferring values from page to page and also switching the positioning of different elements etc. I need someone to review and fix the code and make it easily transferrable to mobile version if possible.
I'm in need of a logo for my upcoming battery brand. The logo needs to be electrifying and reflect the essence of the brand. Key Requirements: - A minimalistic yet modern logo - Incorporation of elements like a lightning bolt, a battery icon, and energy waves - The use of a blue and white color scheme In addition to the logo, I will also need a design for a visiting card. Ideal Skills: - Graphic Design - Logo Design - Business Card Design Post initial designs, I would also need assistance on a periodic basis for social media posts aimed at brand awareness. Social Media Design: - Must align with the visual identity of the brand Ideal Skills: - Social Media Design - Graphic Design - Understanding of Brand Awareness Strategies This project is not just a one-time t...
Output of rectagular signal of 0-40Volts, up to 15Amps. The output signal should be variable in amplitude and also be either unipolar (0-40 Volt, adjustable e.g. from 0 up to 0-40Volt) or bipolar (+/- 20 volt adjustable from 0 to +/- 20 volt), by means of a switch. Will drive a coil of 17mH or 34mH (thick wire on a big, 60cm ...frequency: 0 (off) - 50Hz The control at this stage can be potentiometers, but in the near future will be controled by an MCU, so control signal should be of low voltage (e.g. 0-5 volt) There should also be a protection of the output if there is a shortcut. Based on SG3525 is a good idea. Since the distance is a bit of a problem to exchange ciruits and parts, the circuit and BOM is good enough while showing the good operation of the circuit on a v...
...application. I want to incorporate features related to cryptocurrency pairs prices from Binance and Bybit. The app's profit calculator needs to be adjusted in accordance with these new crypto assets. Additionally, the app needs debugging to eliminate errors and decrease battery consumption. Functional Upgrades: - Integrate cryptocurrency pairs prices from Binance and Bybit. - Adjust the profit calculator for new crypto assets. Bug Fixes & Performance Improvements: - Debugging to remove errors. - Optimize the app to reduce battery consumption. Price Alerts: - Implement price alerts for cryptocurrency pairs. Ideal candidates for this project should have experience with Forex and cryptocurrency applications, as well as proficiency in debugging and performance o...