12v solar charger circuit工作

...adjust membership privileges. --- ## 2. API Request Rate Limiting ### 2.1 Tier-Based Limits - **Differentiated Limits**: - T1: 5 req/sec, 100/min; T2: 10 req/sec, 200/min; T3: 15 req/sec, 300/min; T4: 20 req/sec, 500/min; T5: special/custom limit. - **Implementation**: - Use middleware in Golang (or API gateways) to enforce per-IP, account, and API key limits. ### 2.2 Circuit Breaker and Throttling - **Circuit Breaker**: - Triggered on consecutive failures or abuse patterns, with thresholds adjustable by tier. - **Throttling**: - Use token bucket or leaky bucket algorithms to smooth out traffic peaks. --- ## 3. API Access Monitoring and Logging ### 3.1 Log Recording - **Details Recorded**: - Log source IP, request parameters, HTTP method, stat...

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...PCB must be able to send translated payment signals to vending machines, hoppers, and other peripherals: Supported Devices: MK4 hoppers Soda vending machines Other standard vending machine interfaces Configurable Output Protocols: ccTalk (all variations) MDB (Multi-Drop Bus) Pulse/Mars Parallel SSP 3. Power Handling & Distribution Powered by the vending machine or bill acceptor power source (12V/24V). Pass-through power design: The PCB must distribute power to connected peripherals. Voltage regulation: Integrated regulators for 5V and 3.3V for logic circuits and microcontroller operation. 4. Intelligent Protocol Translation & Multiplexing Seamless communication conversion between ccTalk, MDB, Pulse/Mars, SSP and Parallel. Support for multiple devices at once, allowing...

Create Solar Ice Box Brochure. Once done we will translate to 5 languages

I'm seeking a developer to create software for my remote control (RC) battery charger. The software should manage various aspects of the charging process. Key Requirements: - The software needs to handle charging, discharging, storage, cycle management, and regenerative discharging. - It should support multiple types of RC batteries, specifically LiPo, NiMH, and LiFe. Ideal Skills: - Proficiency in programming for hardware control. - Experience with battery management systems. - Knowledge of various battery types and their specific charging needs. The software should be capable of managing all necessary functionalities to ensure optimal performance and longevity of the batteries. The ideal candidate would have a background in electrical engineering or a related field, with h...

Design a compact integrated microphone preamplifier and phantom power circuit board for continuous 24/7 outdoor nature sound recording. The complete system will connect a PUI Audio AOM5024 electret microphone capsule to standard audio equipment using an on-board XLR connector and phantom power. Technical Requirements Microphone Specifications Microphone Capsule: PUI Audio AOM5024 electret capsule (2-pin configuration) Frequency Response: Flat response from 20Hz to at least 15kHz Signal Quality: Good signal-to-noise ratio for nature sound recording Power Requirements Input Power: Standard 48V phantom power (P48) Voltage Regulation: Stable voltage supply to the capsule Power Filtering: Clean power with minimal noise Audio Performance Output: Low impedance output suitable for driv...

I'm looking for a talented UI/UX designer who can create intuitive and user-friendly interface screens for an Electric Vehicle (EV) charger. The primary goal of these screens will be to provide detailed, real-time charging information to users. Key Features: - Current charging status and progress - Estimated time remaining for the charging session - Cost of the charging session These screens will be displayed on the EV charging station itself. Therefore, it's crucial that the design is not only informative, but also easy to understand at a glance. Ideal Skills and Experience: - Proven experience in UI/UX design, particularly for hardware interfaces - Strong understanding of how to convey complex information simply and clearly - Previous work relating to EV infrastructur...

I'm seeking a skilled writer with a deep understanding and experience in circuit design and electronics engineering. The task involves crafting more than 10 technical blog posts aimed at intermediate engineers. Key Requirements: - Expertise in circuit design and electronics engineering. - Proven experience in technical writing, particularly for an engineering audience. - Ability to create original content without the use of AI tools or paraphrasing. - Strong understanding of the needs and interests of intermediate engineers. Please provide samples of your previous work if available. Looking forward to your proposals.

Hi Mohamed, As discussed you have agreed to the following additional work for our project - 1. Provide sections & elevations with 10m building line and previously approved building heights superimposed - as per the examples given 2. Provide solar study and shadow diagrams - as per the examples given 3. x3 markup changes to plans including walls, windows, beams, panels, stairs, awnings, colours, materials etc as required Provide work in a CAD, Revit and PDF format

I'm looking for a sleek, contemporary showroom design that will showcase solar and battery products. This space should have: - Interactive displays - Informational panels - Product demo stations The design should utilize neutral tones and glass, embodying a modern and sleek aesthetic. Ideal candidates for this project should have experience in showroom design, with a particular focus on high-tech product displays. Understanding of eco-friendly construction and design principles is a plus, given the nature of the products to be showcased.

...handling requirements. 2. Motor Control: DRV8825 stepper motor drivers will be used, capable of handling up to 2.5A peak current, offering better microstepping performance than the A4988. The board will control four independent stepper motors for the syringe pump, allowing flexible operation with one, two, or all channels simultaneously at different or identical flow rates. 3. Power Supply: A 12V, 15A power supply will be recommended for stability when all four channels are used simultaneously. 4. Communication Protocols: UART for communication with the Nextion display. I2C for sensor integration. SPI as an optional interface for other components. 5. Embedded System: The system will be based on the ESP32 microcontroller. 6. Safety Features: Sensors or programmed mechanisms w...

...handling requirements. 2. Motor Control: DRV8825 stepper motor drivers will be used, capable of handling up to 2.5A peak current, offering better microstepping performance than the A4988. The board will control four independent stepper motors for the syringe pump, allowing flexible operation with one, two, or all channels simultaneously at different or identical flow rates. 3. Power Supply: A 12V, 15A power supply will be recommended for stability when all four channels are used simultaneously. 4. Communication Protocols: UART for communication with the Nextion display. I2C for sensor integration. SPI as an optional interface for other components. 5. Embedded System: The system will be based on the ESP32 microcontroller. 6. Safety Features: Sensors or programmed mechanisms w...

I'm seeking a professional to help me with a solar hot water project. The primary goal is to heat water for domestic use using a fully automatic parabolic DTH dish. Key Requirements: - Design and implement a fully automatic control system for the solar dish. - The control system should include: - Temperature monitoring - Remote access and control capabilities - An automatic shutoff feature Ideal Skills and Experience: - Expertise in renewable energy systems, particularly solar technology - Strong background in automation and control systems - Experience with designing remote monitoring systems - Ability to create reliable, safe automatic shutoff systems I'm looking for someone who can deliver a high-quality, reliable system that meets all thes...

Freelance HR Consultant Needed – Candidate Sourcing for Renewables & Sustainability Sector We are looking for a freelance HR consultant to support our hiring needs in the renewable energy and sustainability sector. Responsibilities: Source and identify suitable candidates for entry-level positions in renewables and sustainability. Build a strong pipeline of talent for roles in solar, wind, ESG, energy efficiency, and sustainability consulting. Utilize job boards, professional networks, and other platforms to find top talent.

More details: we have multiple videos and images whihc show performance of our product for cleaning solar modules in polluting industries we need to make a video under one minute with captions need high resolution but at same time need small file size What is the target platform for this marketing video? Social media Which social media platform are you focusing on? whatts app and linekdin What style do you want for the video? Professional and formal

I'm seeking a solar installation expert to devise a detailed plan for my property, which comprises multiple structures and panel loads. The primary aim of this solar project is to achieve energy independence. Key Details: - All structures on the property require solar panel installation. - The property features multiple roofs with predominantly pitched roof types. - There is ample storage space available for batteries. Ideal Candidate: The perfect freelancer for this project should have extensive experience in solar energy systems and installations. Proficiency in working with multi-structure properties and pitched roofs is essential. Please include relevant qualifications and past project examples in your proposal. The main deliverables will be: 1- A c...

...an expert for a project involving the design and implementation of a secondary switch-over circuit for my electric vehicles (EVs) with fixed 60V batteries. Key Requirements: - The secondary circuit will power an IoT device, specifically a GPS tracker, which has a voltage tolerance between 9V and 90V, with a preferred operating voltage of either 12V or 24V. - This circuit should automatically engage when the main battery is drained or disconnected, providing a standard voltage to the IoT device. - The secondary circuit needs to be powered by a rechargeable battery which can sustain operations for roughly 7 days without needing a recharge. The ideal candidate will have: - Extensive experience in circuit design and implementation. - Proficiency ...

I need a new logo, URGENT. Its for a brand called Solar Ice Box. This is for a solar powered refrigerated container brand. The logo must be clean and modern.

I'm in need of a creative and functional design for a storage compartment on my van's dashboard. This compartment needs to securely hold: - An air toggle switch - An air pressure gauge - A USB-C port - A 12V socket port The ideal freelancer for this project should have: - Experience in designing parts for mechanical applications, specifically for vehicles - A strong understanding of ergonomics and user interface design - Proficiency in CAD software or similar design tools - Ability to create prototypes if necessary

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This is a Bluetooth Audio Player using ESP32. The system includes an Audio Player and Album card using ESP32. The Album card consists of an ESP32, an SD card slot, and a Wireless charger. The Audio Player consists of ESP32, Audio Stereo DAC, Wireless Power Transmitter, LEDs, and Switches. The Album will be powered by the Wireless Charger supplied by the Audio Player. The Album will read audio files from the SD card and transfer audio streaming to the Audio Player over Bluetooth LE. The Audio Player will receive the Bluetooth streaming from the Album and output it over the stereo microphone. If users take Album away from the Audio Player, the audio streaming will be stopped because the Wireless charging is off. I need to develop the ESP32 firmware for the Player and Album. Th...

Descripción del Proyecto Grex (GRX) - Green+ es un proyecto innovador que combina tecnología blockchain con soluciones sostenibles. Nuestro objetivo es desarrollar una blockchain nativa basada en Substrate que facilite transacciones descentralizadas y seguras, enfocadas en la industria de casas prefabricadas de hormigón autosuficientes y energía solar renovable. Tecnologías y Alcance Blockchain: Desarrollo de un nodo personalizado en Substrate (grex-node). Criptomoneda: Implementación de GRX (Grex) como token nativo para transacciones. Infraestructura: Integración con WordPress para la plataforma web, con una wallet y exchange basados en la plantilla Cryptize - Blockchain Cryptocurrency & Bitcoin Elementor Template Kit. Seguridad...

Freelance HR Consultant Needed – Candidate Sourcing for Renewables & Sustainability Sector We are looking for a freelance HR consultant to support our hiring needs in the renewable energy and sustainability sector. Responsibilities: Source and identify suitable candidates for entry-level positions in renewables and sustainability. Build a strong pipeline of talent for roles in solar, wind, ESG, energy efficiency, and sustainability consulting. Utilize job boards, professional networks, and other platforms to find top talent.

...Team – Help Shape the Future of Smart Solar Management! We are looking for an experienced and passionate team member to join our SolarSmart project – an innovative solar management platform that optimizes energy usage based on real-time spot prices. SolarSmart connects to solar inverters via ESP32, Modbus/RS485, enabling full control over charging, discharging, and export stop functionalities. Our goal is to maximize efficiency, reduce costs, and enhance energy independence by intelligently managing solar power storage and distribution. If you have experience with Modbus, RS485 communication, IoT, or energy management systems and want to be part of an ambitious and forward-thinking project, we’d love to hear from you! Let’s build t...

...an ideal single junction solar cell has the I-V characteristic of: I = IL-I0 [eqV/kbTc-1], where IL is the light generated current, I0 is the reverse saturation current, q is the charge of an electron, V is the bias voltage, kb is Boltzmann’s constant, and Tc is the temperature of the cell (assumed to be 300 K). (a)If we assume illumination by the sun and treat it as a blackbody of temperature Ts=5760 K, what is the total power per unit area available to the solar cell? How well does this correspond to the actually power per unit area from the sun at the top of the atmosphere, which corresponds to about 1350 W/m2? (b) For a semiconductor with a bandgap of 1.43 eV, like GaAs, what is the numerical value of the light generated current density, JL =IL/A? (c) For a s...

For THREE websites. We need to be in TOP ranking, first page for GOOGLE Singapore for 3 WEBSITES. Website 1 (Linen Manufacturer) - Off site Links (300 per month) - 30 keywords; Website 2 (Solar Equipment) - Off site Links (300 per month) - 11 keywords; Website 3 (Steel Factory) - Off site Links (200 per month) - 15 keywords; Requirements - - Minimum 6 UNIQUE articles for each website. - Website analysis & On Page SEO - On Page SEO Report + Weekly & Keyword Ranking reports - Breakdown of cost (Hidden cost will be reported) - Must achieve top ranking (within first page) only whitehat SEO techniques. BUDGET FOR ALL WEBSITES: SGD$40 to SGD$50 MAX. DON'T OVERBID, please. PLEASE NOTE: USE SINGAPORE DOLLAR.

...Photovoltaic (PV) Solar Panels for school students. The video should be visually appealing, easy to understand, and informative, making complex concepts accessible to a younger audience. Target Audience: Primary and secondary school students Educators teaching renewable energy and sustainability Key Topics to Cover: Introduction to Solar Energy What is solar energy? Why is it important? Benefits of renewable energy How PV Solar Panels Work Basics of photovoltaic technology The role of sunlight and conversion to electricity Components of a solar panel system (panels, inverter, battery storage) Advantages of Solar Power Environmental benefits (reducing carbon footprint) Economic benefits (lower electricity bills) Sustainability and energy in...

I'm in search of a talented video creator who can produce an engaging mixed media video that advertises solar panels, with a focus on their reducing home energy bills and environmental benefits Key Requirements: - Proven experience in creating mixed-media videos - Strong understanding and ability to convey environmental themes - Crafting content that is suitable and engaging for social media platforms Ideal Skills: - Video editing - Animation - Storyboarding - Social media trends awareness Please use the attached video as inspiration and the logo for the videos. The video must have a mobile aspect ratio. NOT LANDSCAPE.

To redraw components from files provided, ensuring fit. Providing individual component drawings as well as sub assemblies and total assembly We expect this first stage to take 2 hours for the $17 The work should be conducted on solidworks via sharing recorded shared screens on freelance with concurrent voice call to confirm changes.

To redraw components as per provided drawings while on live voice chat with recorded screen via freelancer. To include sub assemblies and total assembly.

...a comprehensive solar power system design. I will provide a roof sketch with measurements and orientation as well as my estimated daily power requirement, which exceeds 20 kWh. Key project components: - Evaluate and propose the optimal solar power solution based on my location - Determine the number of solar panels required - Specify the appropriate inverter size - Design a battery backup system for 24 hours of operation - Create a detailed Bill of Quantities (BOQ) I am primarily installing this system to reduce electricity bills, so cost efficiency is key. I have a preference for Monocrystalline solar panels, so experience with these is beneficial. Ideal skills and experience: - Solar power system design and engineering - Knowledge o...

I'm seeking a skilled 3D visual effects artist proficient in Universe Sandbox, SpaceEngine, or similar software. The project involves creating 3D model simulations of: - A binary star system: One star should be still alive, and the other, dark (dead). - Our solar system: This should include all planets up to Pluto. - Additional planets: Nibiru on a 792 cycle and Phoenix on a 138 year cycle. The level of detail for the planets should be moderate, with some textures applied. The simulations should be designed from a 3D space model perspective. Ideal candidate should have: - Proficiency in Universe Sandbox and SpaceEngine - Experience in creating 3D model simulations of celestial bodies - Ability to apply moderate detail with some textures to planets - Creativity and understand...

Job Title: Expert Excel Freelancer Needed for Solar Proposal Pro Forma & Marketing Project Tracking System Project Description: We are a commercial solar company seeking an Excel expert to streamline and optimize two critical workflows: Complex Pro Forma Restructuring: Untangle and transform an intricate financial pro forma (used for solar project proposals) into a clean, user-friendly, and error-free template. This includes simplifying inputs, automating calculations, ensuring scalability, and creating clear documentation for future users. Marketing Project Tracking Dashboard: Develop a dynamic Excel-based system to track multiple marketing campaigns/projects, including timelines, budgets, task assignments, status updates, and performance metrics. The tool shou...

I'm seeking a seasoned B2B lead generation expert to assist in sourcing top-notch leads within the solar industry. This includes solar company owners, consultants, sales reps, and advisors based in the USA. Your key responsibilities will include: - Identifying and verifying decision-makers' contact details - Gathering comprehensive information on each lead, including their contact information, company details, and role and responsibilities Ideal candidates will have: - Extensive experience in B2B lead generation - Proficiency in LinkedIn, with knowledge of tools like Apollo and ZoomInfo being a plus - Familiarity or experience in the solar industry If you have a history of successful targeted lead generation, please reach out with your relevant experience ...

I'm seeking a talented graphic designer to create a modern, sleek logo for my business, MCS Diesel Performance. The logo should incorporate the business name and utilize bold colors, particularly red or lime green. Specific Elements: - Incorporate tools or wrenches - Include speed or performance indicators - Design with a turbo charger Ideal candidates should have a strong portfolio in logo design, particularly for performance or automotive-related businesses. The ability to understand and incorporate elements of speed and performance in a visually appealing and modern design is key. Please provide examples of previous work that may be relevant.

I'm looking for a professional to design a solar panel layout for my medium-sized home (3-4 bedrooms). The primary objective of this project is to boost my property's value. Key Requirements: - Design a solar panel system that is efficient and cost-effective - Provide a detailed plan and installation guidelines - Include considerations for my existing solar water heater Ideal Skills and Experience: - Proven track record in residential solar design - Strong understanding of property valuation impacts from solar installations - Experience working with properties that have existing energy-efficient installations

Really simple task to help me with a PCB board. The board was initially 5v but I believe this board can be changed to 12v. I tried moving a resistor but now the board is outputting 19v. This is a computer monitor PCB board. Start proposal with "Electric" if you read this.

We are seeking a qualified structural engineer to create a design that can safely support approximately 75 solar panel plates, each weighing between 30-32 kgs. The project involves reviewing a detailed terrace plan provided by the client and designing a support structure that can handle spans of up to 11.5 meters. Detailed structural drawings and calculations are expected. Timeline: ASAP.

I need a professional to develop technical specifications for solar panels intended for a portable personal accessory including recharging a power bank and driving small hand held appliances Ideal Skills: - Expertise in PV systems - and battery storage solutions Please detail your relevant experience when bidding.

Keywords: Solar flat-plate receiver, An absorption cooling systems, TRNSYS, . Introduction , Methodology, Model Solution,. Computer Simulation, Results and Discussion Conclusions I'm in need of an engineering specialist who can help me in authoring a research paper focused on modeling and simulating an absorption solar cooling system, specifically in the context of Iraqi weather conditions. The primary objective of this research is to evaluate the performance of solar cooling systems, however, it is crucial that the simulation results provide a detailed technical analysis. Key Expertise: - Engineering background with a strong focus on energy systems and/or climate control. - Experience and knowledge in modeling and simulation, specifically in the context of ...

I need a skilled professional to design a circuit and propose materials for an IoT system tailored for my smart farm. The system should include: - Sensors: Specifically, I need water level sensors and water flow sensors. - Functions: The IoT system should control irrigation and monitor water level and flow. - Control Features: The IoT system must support remote monitoring and alerts, as well as remote manual control. Ideal candidates should have experience in circuit design and IoT systems, with a strong understanding of smart farming requirements.

I'm seeking a professional to handle various electrical and programming tasks for my Briquetting machine. The tasks include circuit design, I/O list creation, circuit design with BOM, PLC programming, HMI screen development, PLC HMI interface, and testing of the machine both manually and automatically. The circuit design needs to incorporate: - Control circuits - Power circuits - Safety circuits Ideal candidates for this project should have extensive experience in electrical engineering, circuit design, PLC programming, and HMI development. Proficiency in creating comprehensive I/O lists and Bills of Materials (BOM) is a must. Prior experience working with briquetting machines or similar industrial equipment will be a significant advantage. The successful...

Need a circuit designer for my small project. Need to take signal from audio system, boost the voltage of that signal so that we can operate a relay using that signal.

I'm looking for an expert in solar PV systems and advanced MATLAB solutions. The main issue I'm facing is energy loss due to shading from other solar panels. If you can develop or implement optimization algorithms that can mitigate this issue, it would be highly beneficial. Ideal skills and experiences for this project include: - Proficiency in developing and implementing advanced MATLAB for solar PV systems - Deep understanding of solar energy and shading issues - Experience in creating optimization algorithms - Prior work with modular panel placement and mechanical shading solutions - Ability to minimize energy loss effectively Your expertise can help improve the efficiency of my solar PV project significantly.

...handling requirements. 2. Motor Control: DRV8825 stepper motor drivers will be used, capable of handling up to 2.5A peak current, offering better microstepping performance than the A4988. The board will control four independent stepper motors for the syringe pump, allowing flexible operation with one, two, or all channels simultaneously at different or identical flow rates. 3. Power Supply: A 12V, 15A power supply will be recommended for stability when all four channels are used simultaneously. 4. Communication Protocols: UART for communication with the Nextion display. I2C for sensor integration. SPI as an optional interface for other components. 5. Embedded System: The system will be based on the ESP32 microcontroller. 6. Safety Features: Sensors or programmed mechanisms w...

I am looking for an electrical engineer but the specifics haven't been determined yet. The engineer will need to have the skills and experience to work on circuit design, system installation, and fault analysis with the ultimate goal to ensure energy efficiency, safety compliance, and system upgrades.

I'm in need of a professional with expertise in electrical schematics, specifically focusing on intricate circuit designs. The project will involve designing circuits comparable to microcontroller-based systems. Key requirements: - Proficiency in electrical circuit design - Experience with complex circuit systems - Ability to create detailed and accurate schematics Ideal candidates should have a strong background in electrical engineering, with a focus on circuit design. Prior experience working with microcontroller-based systems is highly desirable.

I'm in need of a seasoned solar professional, preferably located in Byron Bay, who can help me shoot high-converting promotional videos for my solar company. The ideal candidate should be: - Experienced in the solar industry (acting experience is a plus) - Able to deliver an energetic and captivating performance - Knowledgeable enough about solar to portray authentic roles The videos will be: - Primarily promotional in style, with a need for high energy delivery to engage potential customers - Shot in a confident and trustworthy manner, similar to our previous successful ads featuring the company owner We aim to create a series of short ad videos that capture the authenticity and trustworthiness of our previous content. Your role will be to replicate th...

I'm looking for an expert in circuit & PCB design to help me with integrating a DHT11 temperature and humidity sensor with an ESP32, AC-DC, a display, indicator LEDs and a small buzzer. Key Responsibilities: - Design a PCB that integrates a DHT11 sensor, ESP32, AC-DC, display, indicator LEDs and a small buzzer. - The display size is flexible, preferably for 0.96 inch and open for 3.5inch - The primary function of the indicator LEDs will be for status indication - buzzer in case of severe alerts - ethernet support - reset button to reset the configuration Ideal Skills: - Proficient in PCB design software. - Experience with integrating sensors with microcontrollers. - Ability to design for a variety of display sizes. Not in scope: - firmware development Please share yo...