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    2,000 12v battery charger circuit trabajos encontrados

    I'm looking to develop a full stack mobile application with primary focus on tracking linked to a physical product. The app should be compatible with both iOS and Android platforms. Key Requirements: - Full stack development experience - Proficient in developing cross-platf...implementation - Physical product linking - iOS and Android development Real-Time Tracking: Track the broadhead’s location with updates and map display. 2. Signal Monitoring: Show the strength of GPS and communication signals. 3. History/Logging: Log the path of the broadhead. 4. Deployment & Retrieval Mode: Confirm deployment and assist in retrieving the broadhead. 5. Alerts: Notify for signal loss, battery alerts, and other issues. 6. Geofencing/Navigation: Help the user navigate to the ...

    $2432 Average bid
    $2432 Oferta promedio
    87 ofertas

    I'm looking for a skilled and experienced professional in raspberry pi or Arduino design and programmin...Frame: 2 weeks Budget: as low as possible Ideal skills for this project: - Extensive knowledge and experience with raspberry pi or Arduino - Ability to design a user-friendly system - Proficiency in programming and troubleshooting - Creative problem-solving skills Program: Scan barcode and play audio based on barcode Audio can be paused, skip forward or back Led screen shows audio track #, battery life Requirements: ,schematic, PCB design, BOM ,components and website to find these components Understanding of electronics and ability to work with various sensors and devices is a plus. Please include examples of previous home automation projects you've work...

    $139 Average bid
    $139 Oferta promedio
    48 ofertas

    i want to resell my bandwidth to a small isp and he wants to use his own asn and ip pools. But my primary isp is saying that multiple bgp session is not possible on the single circuit which i have taken from them

    $22 / hr Average bid
    $22 / hr Oferta promedio
    5 ofertas

    ...Installed within the car's system, this application provides core functionalities and APIs that the mobile app utilizes for remote access, control, and monitoring. The car app enables live high-resolution video feeds from 360° cameras, customizable recording settings, AI-powered object detection, event alerts, and detailed vehicle status monitoring, including speed, throttle/brake status, and battery health. It also supports intelligent storage management and persistent connectivity features like keeping Wi-Fi or mobile data active after the engine is off. Through real-time synchronization, changes made via the mobile app—such as video quality adjustments or detection thresholds—are instantly reflected in the car system. With secure login, encrypted data tran...

    $4498 Average bid
    $4498 Oferta promedio
    48 ofertas

    I need a digital circuit designed that will sequentially display the number "210707069" on a seven-segment display. The design should be built using a 555 timer-based oscillator, JK flip-flops (7476 IC), and a BCD (Binary-Coded Decimal) encoding system. The circuit should continuously loop the number, correctly displaying it in sequence. Key requirements: - Use of 4-6 bit BCD encoding for each digit. - Simulation using Proteus software. - Deliver a fully functional circuit and a detailed report at the end. Primary focus: Accurate number display on the seven-segment display using Proteus. The circuit's simplicity and the simulation setup's ease are secondary considerations. The final report should provide a detailed account of the circuit d...

    $39 Average bid
    $39 Oferta promedio
    22 ofertas

    ...construction multifamily project. The site includes 120 apartments, an 88,000 sq ft clubhouse, a heated pool, and 15 level 3 EV chargers. Key aspects of the project: - The primary goal is to minimize costs while ensuring a viable and efficient solar setup. - The design should incorporate rooftop solar panels and solar carports. - The solar carports should have integrated EV charging stations and battery storage options. -Sourcing of the panels to deliver to USA or USA companies Ideal candidates should have: - Extensive experience in solar design, particularly for New Construction of multifamily residential projects. - A proven track record of delivering cost-effective and sustainable solar solutions. - Knowledge and experience with designing solar carports and integrating EV c...

    $150 Average bid
    $150 Oferta promedio
    33 ofertas

    I'm working on a project that requires a PCB design for a prototype. I need a PCB designer proficient in EasyEDA who can output EasyEDA project files including the PCB design, schematic diagram, and Gerber file. Circuit Details in PDF File - PCB Design Updated

    $28 Average bid
    $28 Oferta promedio
    12 ofertas

    ...camera. These glasses should be capable of transferring images to an Android phone via Bluetooth and have a battery life of at least 4 hours. Key Features: - Camera Integration: The primary focus of this project is the seamless integration of a 1080p camera into the smart glasses. Previous experience with camera-enabled wearables will be a significant advantage. - Image Transfer: The smart glasses should be able to transfer images to an Android phone using Bluetooth. Please provide examples of similar projects you've worked on that involved Bluetooth connectivity. - Battery Optimization: While the primary focus is not on battery optimization, the smart glasses should have a minimum battery life of 4 hours. Experience in creating power-efficient devices...

    $4269 Average bid
    $4269 Oferta promedio
    45 ofertas

    To help in developing a custom Battery Management System (BMS) for electric vehicles, adhering to IEEE P2686 standards. The project involves advanced modeling, simulation, and report preparation, requiring a deep understanding of battery systems, MATLAB/Simulink, and automotive standards.

    $190 Average bid
    $190 Oferta promedio
    5 ofertas

    I'm seeking an experienced eyeglasses designer to modify my existing smart glasses design. The goal is to optimize the frame to accommodate the battery and circuit components while maintaining a sleek and comfortable fit. If you have expertise in designing eyewear for tech integration, I’d love to hear from you! Key Modifications: - Frame design to accommodate a battery and circuit board - Maintaining a stylish and comfortable fit Material: - The frames should be designed for 3D printing Ideal Skills and Experience: - Prior experience in designing tech-integrated eyewear - Proficient in creating designs suitable for 3D printing - Strong focus on comfort, fit, and aesthetic appeal

    $110 Average bid
    $110 Oferta promedio
    99 ofertas

    Project Description I need a professional hardware/electronics designer to create a complete ESP32-S3-based pcb. The design will feature: - ESP32-S3 module (placed on edge side of the PCB) with USB-C for programming. - 18 high-resolution analog i...side of the PCB) with USB-C for programming. - 18 high-resolution analog inputs for NTC 10K/20K/100K sensors with shared COM pins. - 8 solid-state relay (SSR) outputs for controlling contactor signals, with shared COM pins. - One high-reliability 0-10V analog output. - Ethernet port with the W5500 IC and RJ45 connector at the bottom edge. - Integration of an external RTC module (DS3231) with battery backup for accurate timekeeping. - Power regulation, protection circuits, and optimized PCB design. - Milled slits for isolating I2...

    $578 Average bid
    $578 Oferta promedio
    71 ofertas

    ...low-power design will encompass various components such as a GPS, sensors buttons, and connectors. Key Features: - Incorporate ESP32 WROOM S3 and u-blox MAX-M10S GPS with chip antenna - Integrate a Speaker and 5 Pushbuttons - Include a Micro SD Card Slot and USB-C Connector - Have a Barometric Sensor, Accelerometer/Gyro, and Ambient Light Sensor - Implement a LoRA Radio and 4 connectors for battery & peripherals - Support LiPo charging and power management Board Dimensions: Approximately 44mm x 72mm Deliverables: - Altium Designer Schematic - Detailed Parts List (BOM) with supplier information - Altium Designer PCB Layout - Complete Fabrication data (Geber files etc) Key Requirements: - Extensive experience in PCB design, particularly with low-power, chip anten...

    $304 Average bid
    $304 Oferta promedio
    73 ofertas

    ...Ads (iOS). VIP Version: 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 communicat...

    $1324 Average bid
    $1324 Oferta promedio
    136 ofertas

    Parameterized Circuit Optimization Hybrid Classical-Quantum Optimization Noise Analysis and Mitigation in Quantum Circuits Reliability Analysis of Semiconductor Devices

    $23 / hr Average bid
    $23 / hr Oferta promedio
    33 ofertas

    I'm looking for an experienced circuit designer to create a circuit for a Switching Mode Power Supply (SMPS) aimed at consumer electronics. Key Project Details: - The circuit is specifically for a 24V SMPS. - Power Rating 48 W , 2A - Use the IC DP2281 - Experience in designing circuits for consumer electronics is crucial. - Knowledge and experience working with SMPS circuits is a must. Your expertise in circuit design will be pivotal in ensuring the successful creation of this circuit. I look forward to your bids and hope to find a freelancer who can meet these requirements.

    $22 Average bid
    $22 Oferta promedio
    17 ofertas

    I'm seeking a highly-skilled and creative freelancer to design a visually engaging, efficient, and highly creative 10-second product video for our e-cigarette website banner. Key Features to Highlight: - Battery Life - Flavor Options - Design Aesthetics - Product Specifications Ideal Skills and Experience: - Prior experience with vape or similar product design is preferred. - Strong expertise in short video production, particularly in capturing attention and showcasing key product features. - Excellent sense of color coordination for a visually appealing design. - Proactive in suggesting and implementing improvements for video quality and appeal. - Efficient, deadline-oriented with a proven track record of delivering high-quality results. If you're interested, please s...

    $223 Average bid
    $223 Oferta promedio
    167 ofertas

    I'm looking for an experienced electronic engineer to modernize the circuit board of a Candlepin Bowling Pinsetter. The primary goal is to update the board and components to a smaller form factor while enhancing the overall efficiency of the system. Key Requirements: - Update the circuit board and components to a smaller, more compact form factor. - Improve the overall efficiency of the circuit board. Ideal Skills: - Expertise in circuit board design and modification. - Experience with consumer electronics. - Strong understanding of efficiency optimization techniques. Prior experience working with industrial control systems, particularly in consumer electronics like a bowling pinsetter, would be highly beneficial. A successful project will lead to a fas...

    $128 Average bid
    $128 Oferta promedio
    46 ofertas

    I need a Logisim expert to design a sequential circuit for me. The circuit should generate the digits in my student ID. Requirements: - Utilize JK Flip-Flops and Counters. - Employ only JK or D-flip-flop and basic gates (AND, OR, XOR, NAND, NOR, XNOR). - The circuit should be able to replicate the digits of my student ID. Ideal skills: - Proficient in using Logisim. - Strong understanding of sequential circuit design. - Able to work with JK Flip-Flops and Counters. - Familiar with basic logic gates. I attached milestone 2 my previous project are going to continue working on it to do milestone 3 This project is primarily for educational purposes, helping me understand the practical application of circuit design. A freelancer with a background in electr...

    $131 Average bid
    $131 Oferta promedio
    41 ofertas

    I'm in need of an expert who can design a schematic for an electronic circuit. This is for a consumer electronics device and will include key features like sensor integration and DC motor control. Ideal skills and experience for the job: - Proficiency in electronic circuit design - Experience working with consumer electronics - Knowledge of DC motor control systems - Expertise in sensor integration - Familiarity with schematic design software Please provide examples of similar projects you've completed in your proposal.

    $30 Average bid
    $30 Oferta promedio
    38 ofertas

    Dear Colleagues, I need support to resolve my android programming problem. Please read the description below to have an idea of what was done in my code and what I need you to do. I started developing a MQTT client app using android studio (ja...connection retries in case of failure. What is the problem? As I am novice in android programming, I have difficulties to make background service working. Requirements: Strong experience with Android development and Java/Kotlin. Familiarity with background services, service binding, and lifecycle management in Android. Knowledge of handling background tasks efficiently to ensure performance and battery efficiency. ps: I will provide you with my latest version of code. Also, I will create a milestone and release it only when the problem ...

    $24 Average bid
    $24 Oferta promedio
    47 ofertas

    ...high-quality image display and descriptions. Shopping cart functionality. Integration of a payment gateway (e.g., PayPal, Stripe). Secure checkout process. Landing Pages: Brand Page: Highlight the SSVCAAR® brand identity, values, and mission. Showcase our existing product (car mobile holder) and upcoming product (wireless charger). Product-Specific Pages: One dedicated landing page for the car mobile holder. One dedicated landing page for the wireless charger. Include call-to-action (CTA) buttons to encourage purchases or pre-orders. CMS Integration: A Content Management System (CMS) like WordPress or Shopify to allow for easy updates. Admin dashboard for managing products, orders, and content. SEO Optimization: SEO-friendly URLs. Meta descriptions and...

    $81 Average bid
    Garantizado
    $81
    7 participaciones

    ...high-quality image display and descriptions. Shopping cart functionality. Integration of a payment gateway (e.g., PayPal, Stripe). Secure checkout process. Landing Pages: Brand Page: Highlight the SSVCAAR® brand identity, values, and mission. Showcase our existing product (car mobile holder) and upcoming product (wireless charger). Product-Specific Pages: One dedicated landing page for the car mobile holder. One dedicated landing page for the wireless charger. Include call-to-action (CTA) buttons to encourage purchases or pre-orders. CMS Integration: A Content Management System (CMS) like WordPress or Shopify to allow for easy updates. Admin dashboard for managing products, orders, and content. SEO Optimization: SEO-friendly URLs. Meta descriptions and...

    $116 Average bid
    $116 Oferta promedio
    88 ofertas

    ...create * a detailed string diagram lay out and grounding cable diagram layout for a solar project and * calculate the exact meters of 6 mm DC cable, MC4 connectors and grounding cable needed for this layout plan. * a detailed electrical schema for the DC and AC connection based on the inverter and battery manuals + the UK grid norm. * I can supply the .dwg lay out plan for the panels The setup includes two 110 kVA string inverters and two 10 kVA hybrid inverters to feed a 30 kWh battery system. Key details: - Area for installation: 100-500 sq meters - Type of solar panels: 1732 x 1162 x 30 mm - Type of inverter: 2 pcs 110 kVA string inverters and two 10 kVA hybrid inverters - Number of solar panels: 588 pcs panels, 532 pcs on steeldeck and 56 pcs wall mounted. Can...

    $137 Average bid
    $137 Oferta promedio
    47 ofertas

    ...Revolutionizing Electronics DesignOpenQQuantify, one of Savluc’s groundbreaking ventures, is transforming the landscape of electronics design. This platform leverages the power of generative AI to make complex electronics design processes more accessible and Features of OpenQQuantify:AI-Driven Design Assistance: The platform uses advanced AI algorithms to simulate, suggest, and optimize circuit designs.Open-Source Approach: By making the platform open-source, OpenQQuantify ensures that cutting-edge design tools are available to everyone, from seasoned professionals to curious and Complexity Reduction: The AI-assisted design process significantly reduces the time and resources needed for electronics ’s vision aligns perfectly with Savluc’s mission

    $10 Average bid
    $10 Oferta promedio
    7 ofertas

    I need a professional logo for my company, 'Elzo Group,' which specializes in both construction and IT services. The logo should reflect a modern and futuristic style while representing both industries. Use a building graphic to symbolize construction. Incorporate circuit patterns or IT-related elements. Preferred color palette: Blue, orange, and white with gradients. The text 'ELZO GROUP' should be bold and modern, with a tagline 'CONSTRUCTION & IT' in a complementary style. The logo must have a sleek and symmetrical design, suitable for both digital and print media.

    $80 Average bid
    $80 Oferta promedio
    71 ofertas

    ...developer with proven expertise in GPS integration. The primary purpose of this integration is to track user locations with high precision. Key Responsibilities: - Implement GPS tracking functionality within a React Native app - Ensure high-accuracy tracking - Develop features for real-time monitoring, user activity history, and location-based notifications - Optimize GPS tracking to minimize battery consumption - Integrate with mapping services like Google Maps or Mapbox - Implement geofencing to trigger events when users enter or exit a defined area Ideal Skills: - Extensive experience with React Native - Proven track record in GPS integration - Strong problem-solving skills - Excellent understanding of real-time data processing - Ability to create location-based features Pl...

    $140 Average bid
    $140 Oferta promedio
    118 ofertas

    I need a PCB design expert to help me finalize my PCB design for production. The circuit sketches, dimensions, and component lists have already been prepared. Key Requirements: - Adherence to Standard Design Rules: The PCB should follow standard design rules without any high-density or high-frequency considerations. - Single Layer Design: This PCB will be a single layer. - Manual Routing: The PCB design requires manual routing, not auto-routing or a mix of both. Deliverables: - A .Pcb file that is ready for production Ideal Skills: - Proficiency in PCB design software - Experience with manual routing - Strong understanding of standard design rules

    $14 Average bid
    $14 Oferta promedio
    30 ofertas

    I'm looking for a freelancer who can assist me with the simulation of a robotic arm (a simplified 3D model has already been imported) in MATLAB Simscape Multibody. The project involves customizing existing polynomial trajectory blocks to test joint motion. Each of the arm's 13 joints will be equipped with a DC motor control circuit, following a provided schematic. The shoulder, elbow, and wrist joints can move up and down, while the fingers are limited to gripping motions. Start your proposal with AOA and plz keep it short. Key Responsibilities: - Customize existing polynomial trajectory blocks to adjust joint angle limits. - Setup for testing joint angles (q) without considering velocity (qd) or acceleration (qdd). Ideal Skills and Experience: - Proficiency in MATLAB Si...

    $95 Average bid
    $95 Oferta promedio
    14 ofertas

    I'm looking for a designer who can create a two-way siren system for industrial use. The system must be able to communicate via radio and primarily serve the purpose of emergency alerts. Key Requirements: - 100m Range, - ...industrial use. The system must be able to communicate via radio and primarily serve the purpose of emergency alerts. Key Requirements: - 100m Range, - Ability to connect up to 30 devices - Each device has a siren and light - Battery (12v) powered - See on their video you can set the radio number for pairing - Disconnection warning The system will need to be robust enough for an industrial setting and capable of broadcasting emergency alerts. The power source for the sirens will be battery-powered, so considerations should be made for energy...

    $313 Average bid
    $313 Oferta promedio
    21 ofertas

    Job will be to program a small capacitive IPS, TFT LCD touch screen controller to a remote 12-channel relay board. UART2: TTL/CMOS. communications. There is software available for the small 2.1 inch touchscreen and menu icons, and to assist in firmware. The relay board would prefer to utilize Raspberry Pi Arduino and use pre-configured circuit board. for 12v relay outputs. The outputs will be controlled by the touch screen controller's selection icons and menu's. The conclusion is to have a circular touchscreen controller with visible picture/icons that will: 1) push to activate an ignition relay. 2) Menu's to activate all additional relays on/off functions with picture icons for each selected choice. Price: $50-100

    $124 Average bid
    $124 Oferta promedio
    24 ofertas

    I'm working on a digital circuit design project focused on a finite state machine (FSM) for a lock system. I need assistance with the design and implementation using VHDL on a Basys3 FPGA board. Ideal Skills: - Proficiency in VHDL - Experience with digital circuit design - Familiarity with FSMs Key Tasks: - Design a FSM for a lock system - Implement the design using VHDL - Test the design on a Basys3 FPGA board Please provide examples of similar projects you've completed in your proposal.

    $120 Average bid
    $120 Oferta promedio
    20 ofertas

    I'm looking for an expert in electrical engineering to design a circuit for a small wind turbine that will power a submersible fountain water pump. The maximum power output of my wind turbine is less than 20 watts. Key Tasks: - Design a circuit that can efficiently harness the wind turbine's power to operate a submersible pump. - Integrate an automatic on/off switch for the fountain water pump into the circuit. Ideal Skills: - Proficiency in circuit design, particularly for renewable energy sources. - Experience working with small wind turbines and submersible pumps. - Ability to design and integrate control systems into electrical circuits. Please ensure you are able to deliver a robust and reliable design, as this will be used to power a fountain...

    $48 Average bid
    $48 Oferta promedio
    13 ofertas

    I'm in need of a compact, battery-powered camera module and custom built microcontroller designed for eye-tracking. This module should: - Operate in infrared wavelengths - Connect to a small, custom-built microcontroller - Support wireless streaming of the camera feed - Provide 1080p quality video without auto-focus The camera will be situated near the eyes, so size and weight are critical considerations. The wireless communication protocol for this project is Wi-Fi, and the power source is a battery. Ideal candidates will have experience with camera module design, microcontroller integration, and wireless technology. Please note, the primary application for this camera has not been specified yet, so flexibility and adaptability will be key.

    $12 Average bid
    $12 Oferta promedio
    3 ofertas

    I need an advanced ESP32 developer to help me connect...external DAC or codec. I want to use the internal DAC and ADC and connect to a TRRS adapter. Your guidance and code will be crucial for this project. Working code But this assumes an external dac and adc according to my knowledge I want to use internal one and connect it to the 3.5mm adapter. I need a circuit diagram and code. Key Requirements: - The device must support answering and ending calls. - Expertise in ESP32 development is a must. - Previous experience with Bluetooth and audio processing on ESP32 is a plus. - Ability to provide clear guidance and code. I am looking for a professional who can work with me on this exciting project.

    $268 Average bid
    $268 Oferta promedio
    10 ofertas

    We are seeking a skilled freelancer to help design the schematic PCB circuit diagram and develop the firmware for a Smart Tree Pot device that integrates multiple sensors and displays 70+ expressions on a screen. The device will monitor various environmental factors such as moisture, temperature, light and respond with visual expressions on a display based on the sensor data. The goal of this project is to create a system where the tree pot responds interactively to its environment with a range of dynamic expressions, making the device not just functional but also visually engaging. Project Requirements: 1. PCB Circuit Design: o Design the schematic circuit diagram for the Smart Tree Pot. o Integrate sensors for soil moisture, temperature, light to monitor plant co...

    $237 Average bid
    $237 Oferta promedio
    17 ofertas

    Hello, I'm looking for an electronic engineer with power electronics experience to design an external circuit that can be connected to an existing Buck power supply. The goal is to inject a variable current (0 to 200 mA) controlled by PWM into the switching node to adjust the average current supplied to an LED array. Project Details: (PLEASE CHECK THE ATTACHED IMAGES) Current System: Type of Supply: Buck Converter (SMPS) AC/DC Output: Constant current of 200 mA at 135V for an LED array. Access: Only to the output connector where the LEDs are connected; no access to the internal components of the power supply. Design Objective: Variable Current Injection: Create a circuit that can inject between 0 and 200 mA into the switching node using a PWM signal. Average Curren...

    $30 - $250
    Sellado
    $30 - $250
    24 ofertas

    I'm seeking a skilled engineer to design and develop a BLDC driver input circuit specifically for a solar-powered robotic cleaner. This circuit will primarily control the motor speed of the device using PWM input from MCU of our robotic cleaner Key Requirements: - Design a BLDC driver input circuit suitable for a consumer grade solar robotic cleaner. - Ensure the circuit effectively controls the speed of the motors using PWM input and direction control inputs from MCU - Optimize for efficiency and durability given the solar power constraints. Ideal Skills: - Experience with designing circuits for BLDC drivers and MCU controlled PWM and directions - Specific experience with BLDC driver circuits is highly advantageous. - Understanding of solar powered devi...

    $147 - $440
    Sellado
    $147 - $440
    9 ofertas

    ...configuration. Monetization Free Version: Display Google Ads. VIP Version: Subscription-based ad-free experience with premium features. Integration with Apple’s in-app purchase system (IAP). User Interface Intuitive, user-friendly design following iOS Human Interface Guidelines. Dashboard to display: Connection status. Server selection. Subscription details. Performance Optimization Low battery and memory consumption. Fast server connection and seamless switching. Development Process Planning and Research: Review documentation for the Server and Client APIs. Finalize app features and architecture. UI/UX Design: Create wireframes and prototypes. Conduct usability tests and refine the design. Backend Integration: Set up communication with Server and Cl...

    $7 / hr Average bid
    $7 / hr Oferta promedio
    26 ofertas

    We are looking for an experienced Firmware developer and Electronics Engineer (EE). You will continue the...- Experience in developing with BLE - Proficient with C, Python and C++ - Proficient in implementing UART, SPI, USB and I2C communication protocols - Proficient with at least one electronics simulations tool - Proficient with at least one electronics capture and PCB design tool - Excellent written and verbal communications skills Ideal Skills: - RF design circuit skills - High speed digital circuit design skills - RC timing circuit design skills - Active and passive electronics design skills - Advanced System level design Skills - Project Management Skills (PMP, Agile, Scrum) - Manufacturing experience, building to scale - Experience working remotely and gu...

    min $50 / hr
    Destacado Urgente Sellado
    min $50 / hr
    18 ofertas

    ...the system returns to idle state. Energy Management and Recovery: The used components are turned off or placed into low-power mode. The microcontroller monitors the batteries, switching between them as needed to ensure efficient charging. The system resumes passive monitoring using the PIR sensors. Key Features of the System: Energy Management: Solar panels (10-20W) with MPPT controller. Three 12V, 10Ah LiFePO4 batteries with automatic rotation to maximize lifespan. Voltage regulators to power components at 5V and 3.3V. Motion Detection and Processing: PIR sensors to trigger system activation. OV2640 cameras controlled by microcontrollers (ESP32 or STM32) and managed using MOSFETs. AI Processing: Coral Dev Board Micro for real-time inferences. Communication Modules: Wi-Fi (...

    $507 Average bid
    $507 Oferta promedio
    38 ofertas

    ...power to the battery, a light to illuminate the inlet, and a lid to close the inlet and the power feed opening with light, conventionally, if the lid is open but the plug is not inserted into the inlet, the light will illuminate to illuminate the user's hand as he or she attempts to insert the plug. If the lid is open and a plug is inserted into the inlet, or if the lid is closed, there is no need to illuminate the user's hand, so the light is turned off to minimize battery consumption. However, with this conventional technology, if the electric vehicle is running and the plug is not inserted into the inlet, the light will come on if the lid is open, even though it is highly unlikely that a plug is inserted into the inlet. This is not desirable from the standpoin...

    $50 Average bid
    Garantizado
    $50
    19 participaciones

    <Overview> (1. background) In recent years, hybrid vehicles that use both an engine and a motor have been gaining attention. Especially when the battery is sufficiently charged, it is possible to drive using only the motor without using the engine. Also, hybrid vehicles that increase battery capacity and enable charging from the outside are being considered. These vehicles aim to improve fuel efficiency and reduce carbon dioxide emissions by actively driving using only the motor as long as the battery has a remaining charge. However, prioritizing the use of battery power may result in poor acceleration response. (2. technology search) This technology relates to a control device in hybrid vehicles that use both an engine and a motor, which starts the engin...

    $50 Average bid
    Garantizado
    $50
    17 participaciones

    I'm in need of an experienced electrical engineer with a focus on system integration for our oxygen plants. The primary area needing attention is power distribution. Key Requirements: - Design assistance for circuit breakers, distribution panels, and single line diagrams within our power distribution system. - Expertise in circuit design and safety compliance is a plus, but the primary focus is on system integration. Ideal Skills and Experience: - Proven track record in electrical engineering, particularly in system integration and power distribution. - Experience with design of circuit breakers and distribution panels. - Ability to create and interpret single line diagrams.

    $51 / hr Average bid
    $51 / hr Oferta promedio
    13 ofertas

    I'm in need of a seasoned professional who can assist me in procuring low-cost multi-layer printed circuit boards based on an existing Gerber file and an Excel file bill of materials. Phase I: - Obtain a cost estimate for the PCBs and the components based on the provided files. Phase II: - Evaluate the delivered PCBs. - Proceed with the assembly of the components. My technician will handle the testing and reviewing of the assembled boards. Ideal Skills: - PCB sourcing - Cost estimation - Assembly - Multi-layer PCB expertise - Supplier negotiation

    $511 Average bid
    $511 Oferta promedio
    56 ofertas

    ...have the Pushmatic/Bulldog electrical panels that are original to the building. They also have the original electric meters, located outside each unit. Due to the age and unreliability of the Pushmatic breakers, the HOA would like to upgrade to new electrical panels. The meters are also unreliable and should be changed at the same time. There is also a concern about the main 125 amp, A phase circuit breaker for the elevator lights, HVAC common area and hot water circulating pumps. It had an arcing issue and notes have been found that it was repaired back in 1997. An opinion on whether it should be replaced is needed. Requirements: - Expert knowledge and experience with both National Electrical Code (NEC) and local Washington, DC codes is essential. - Proven track record in u...

    min $100000
    Urgente Sellado
    min $100000
    6 ofertas

    I'm seeking a skilled engineer with extensive experience in designing digital circuits specifically for industrial equipment. The circuit is intended for control system applications, so understanding of control systems is crucial. Ideal Skills & Experience: - Proficient in designing digital circuits - Experience with industrial equipment - Strong understanding of control systems - Able to deliver high-quality, reliable designs

    $135 Average bid
    $135 Oferta promedio
    26 ofertas

    ...- Electricity Generation and Storage: The system needs to simulate the generation of electricity from solar cells, along with the storage in batteries for use when the sun isn't shining. - Transition Between Power Sources: During nighttime or periods of no sun, a generator should kick in. The model needs to seamlessly transition between these power sources. - Battery Backup System: A simple charge/discharge cycle for the battery backup system is required. The battery's role is to provide power if both the generator and solar cells are down. This project doesn't require a specific solar cell model, so flexibility and creativity in model selection would be appreciated. Ideal freelancers for this project would have a strong background in MATLAB and experie...

    $21 Average bid
    $21 Oferta promedio
    20 ofertas

    We are a company specializing in new energy battery solutions (Gobel Power Energy (Shenzhen) Co., Ltd.) and are looking for a number of experienced overseas sales engineers (part-time). The main target clients are Germany and Ukraine. Key Responsibilities: 1. Develop and maintain customers, plan and complete the customer layout in the regional market, and fulfill the sales target; 2. Establish communication with customers to understand their needs and provide professional products and solutions; Job Qualifications: 1. 1+ years of overseas sales or market development experience in new energy industry with good track record; 2. Ability to analyze the market and independently formulate and execute market expansion plans; 3. Fluent in German or Ukrainian. If you are passionate about ...

    $25 Average bid
    $25 Oferta promedio
    6 ofertas

    ...refrigeration system design to assist in completing a circuit for a small control panel air conditioning unit. This unit will ultimately be used in an electronic control panel. Key Requirements: - Design a refrigeration system that can be integrated into a small control panel air conditioning unit. - Experience with industrial-level refrigeration systems is necessary, as the application will be for an electronic control panel. - Understanding of the purpose and requirements for refrigeration systems in food processing, pharmaceuticals, and chemical manufacturing is a plus. Ideal Candidate: - Proficient in refrigeration system design and engineering. - Experience with industrial refrigeration systems. - Ability to complete a refrigeration circuit based on a pre-designed c...

    $520 Average bid
    $520 Oferta promedio
    5 ofertas