Charging circuit for 12v 7ah batterycông việc

Thiết kế mạch nguyên lý và vẽ mạch bằng altium

Tự động hoá nhà nuôi yến. Yêu cầu 1 hệ thống tự động, điều khiển từ xa thông qua kết nối internet, hoạt động trên 1 PC (kết hợp Arduino). - Hệ thống hoạt động trên nguồn điện DC 12v. - Output 3 lines âm thanh độc lập + 3 amplifiers. - Đo nhiệt độ và độ ẩm. Output: DC brushless pump. - Giám sát bằng camera, sensor báo động đột nhập. - 3 ngõ Output khiển tích hợp timer: bơm hơi, đèn, quạt. Bạn thạm gia dự án có thể chọn 2 phương án: giá thầu tổng hoặc chỉ thi công (vật tư dự án cung cấp)

I need someon whoo Will make a research or find a product on the market for me. I need a micro gps trucker, which can be attached to a pigeon leg so small waigt max 15grams, for my studies of pigeons, the battery must resist for 3 day. so i need a micrko gps trucker who Will show me on the app on the real time the exsact location where the bird is. IF THIS ALREDY EXSIST ON THE MARKET i need a price and a supllyer for big qutities of micro truckers or if isnt jet on the market. I need a research who should built this mikro trucker for me and for how much, so find me a suplier to who Will produce it. TIME TO do until 4.4.2015- that you have time to contact the suplier. Money for the reserch 15 usd(exact result i Will tellyu on privat...

I'm looking for a skilled programmer who can create a battery level indicator program for an Lithium Battery. The program will be used to interpret battery level data and display it via LED indicators. Key Points: - Device: The program is specifically designed for an Lithium Battery; thus, knowledge of embedded systems is must needed, which includes both Hardware & Software Design - Programming: Proficiency in C/C++ is essential for this task as it is the preferred programming language. - Display: The battery level will be depicted through LED indicators. Experience with LED technologies or similar display systems is advantageous.

I'm seeking an electrical designer experienced in commercial circuit design and wiring layout. Key Requirements: - **Circuit Design**: You should be able to create efficient, safe, and robust electrical circuits tailored to a commercial building's needs. - **Wiring Layout**: Expertise in laying out wiring for maximum efficiency and safety is crucial. Specifics to Consider: - **Power Distribution**: The design will focus primarily on the power distribution aspect, ensuring it meets the demands of a commercial space. Experience in similar projects will be highly valued. Your design should be optimized for cost-effectiveness, energy-efficiency, and future scalability. Revit and familiar with NEC.

I'm in need of a skilled electronics engineer to assist with an educational circuit design project. The circuit is intended for advanced learners, so it should be challenging yet educational. Key requirements and responsibilities include: - Designing a complex circuit for educational purposes - Ensuring that the circuit is advanced enough to engage students at a high level - Preparing documentation and guidelines for understanding the circuit Ideal skills and experience for this job include: - Proven experience in advanced circuit design - Prior experience in educational circuit design is a plus - Excellent communication skills for creating thorough documentation Looking forward to hearing from pas...

Wiring Schematic of an Agricultural Articulated Truck (Tractor), new project needs schematic and design. Key Components: Power Supply: Battery Alternator Main Circuit Breaker Lighting System: Headlights Tail Lights Work Lights Indicators Control Systems: Ignition Switch Dashboard Controls Relays and Fuses Engine and Transmission: Starter Motor Engine Sensors Transmission Controls Hydraulics: Hydraulic Pump Controls Joystick Controls Hydraulic Solenoids Auxiliary Systems: Air Conditioning Horn Wiper Motor Fuel Gauge

...Here's is the project that Nico will be working with you on. We will produce an article intended to rank for the term "fleet tracking devices". This will be an informative piece that also sells the unique aspects of our company. SERP analysis of the keyword: 1. Topics discussed inside of posts or pages, and themes or topics that come up repeatedly: a. Strengths - i. Brands focus on GPS tracking and the selling points of their own solutions which are common GPS device needs. ii. Product list and comparison pages offer a range of solutions. - i. They don’t answer the 3 most common questions: Best, cost and legal? ii. They don’t talk about which devices are best for which purposes iii. They don’t talk about installation on the home ...

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...unique and professional logo that embodies the essence of my platform. My vision for the logo is minimalistic, hence I prefer a design that is clean, simple, and modern. Additionally, I would like the color scheme to be cool tones, mainly focusing on blues and greens. The ideal logo should be versatile and suitable for multiple applications. It should be able to be used on business cards and print materials, as well as across all digital platforms such as social media and email signatures. Skills and Experience: - Proven experience in logo design, especially in minimalistic styles - Strong understanding of color theory and the ability to work within a specified color palette - Prior experience in designing logos for web applications and digital platforms - Excel...

I'm a Classic Rock wedding singer in desperate need of a capable, experienced manager. Specifically, I'm seeking someone who can: - Promote my services diligently, and adeptly navigate the wedding industry. The perfect candidate is familiar with the Classic Rock genre, and has experience managing and promoting artists in the wedding circuit. This job requires approximately 3 hours of performance, so time management is of essence in your tasks. Performance and promotion tie closely together, hence, your role is crucial in capitalizing on each performance with posterior promotions.

For my ongoing project, I need a specialized Printed Circuit Board (PCB) design for an iMX8 Micro Processing Unit (MPU). Below are the main requirements: - Power Management: This is crucial for the project. The PCB design should incorporate an integrated voltage regulator. Specifically, I prefer to use a linear voltage regulator which can provide continuous, stable supply and suit the power requirements of my MPU. Skills and Experience: - Knowledge in PCB design with a focus on power management. - Familiarity with iMX8 MPU would be beneficial. - Proficiency in using linear voltage regulators and designing for signal integrity purposes. - Previous experience in designing intricate PCBs will be a plus. Your expertise can make a substantial difference...

I'm searching for a CAD designer to help create a Lithium-ion battery module which will later be used in a radio. The primary goal of this project is to design a battery module that possesses the following characteristics: - Lithium-ion: The battery module should be based on lithium-ion technology - Prismatic: The battery should have a prismatic shape. This is to ensure it can be integrated seamlessly into the radio design. I'm looking for a CAD designer with experience in battery module design. Experience with lithium-ion batteries, prismatic batteries, and if possible, relevant experience with radios would also be beneficial. The designed battery module should have a capacity of 1000mAh. If you're interested in th...

I am seeking an Electronics Engineer specialized in power conversion, specifically the AC to DC conversion process (SMPS). The purpose of this project is to design and implement an AC to DC converter to serve as a power supply for an electronic device. The ideal candidate should have: - Extensive knowledge and experience in power electronics and circuit design - Proven experience in designing and troubleshooting SMPS Your responsibilities will include: - Designing a robust SMPS following given specifications - Validating the design through physical prototyping (dot board preferred) - Sharing the voltage sweep results with the proto Requirements: - Primary side: 90 VAC - 250 VAC input - Secondary side: 24 VDC (2A) and 15 VDC (3 A) (on the same transformer) - Should use UC38...

I am looking for a skilled animator to produce an engaging 2D animation which will inform the audience of the features of a product for my business The video will be 30 seconds to 1 minute long. To be in a similar style as this: The video needs to show electric vehicle charging and load management

As a technician experienced in soldering on industrial-grade electronic devices, I am in need of a skilled individual capable of working on circuit boards for repairing damaged components. Key Responsibilities: - Soldering on circuit boards to repair damaged components. - Prioritizing quality and precision in your work. - Ensuring the reliability of the soldered components. Ideal Skills and Qualifications: - Proven experience in soldering on industrial electronic devices, particularly circuit boards. - Proficient in the use of soldering tools and equipment. - Familiarity with best practices for repairing damaged components on circuit boards. - Attention to detail and a commitment to quality work. - Ability to work independently and meet deadlines...

I'm looking for an experienced graphic designer to create a double sided A4 brochure intended to promote a specific product. The target audience for this brochure is primarily from the caravan and automotive industry so it needs to stand out and look tough as it's from a male dominated industry. Key Requirements: - Experience in designing promotional materials, ideally for a similar demographic - Strong understanding of impactful product imagery to effectively promote the product - Ability to incorporate product images into brochure design seamlessly Please see the following images attached to best describe what we need: 1st page - pic of man jumping out of car first page requires BMPRO logo in the top right-hand corner (image 106) - under BMPRO logo o...

I'm on the lookout for an illustrator who can help bring my personal projects to life. Specifically, I'm in need of cartoon illustrations. my youtube channel is important i just need thumbnail at a set price always expect 4 chararcters and a background at this amazing CHARGING ABOVE 50$ HAS TO DRAW A ROUGH DRAFT its meeting me halfway. if cant do free rough sketchs pleaaaase dont not respond. Key requirements: - Experience in creating engaging, high-quality cartoon illustrations - A portfolio that showcases your previous work in this style - The ability to work efficiently and meet agreed upon deadlines - An affordable pricing structure that aligns with my budget Please keep in mind that I'll be needing 1-5 illustrations. If you think you're a good fit ...

...real-time location data for athletes on the field. - Distance Covered: Tracking the total distance covered by the athlete during a game or training session. - Speed Metrics: Monitoring the speed at which the athlete is moving during different phases of the game. - Acceleration and Decelerations: Recording sudden changes in speed to analyze the player's agility and response times. - Heart Rate Monitoring: Capturing the athlete's heart rate to gauge their exertion levels during play. Ideal Battery Life: - The desired battery life for the device is up to 8 hours. It should be able to sustain continuous operation during a typical training session or game. Future Application: - While the initial focus is on soccer, the device should be designed with fl...

The brand is "OXER" The logo should be a drawing in BLACK AND WHITE (greyscale) The logo should be of a charging BULL or OX with horns The logo should imply STRONG, POWERFUL, COMMITTED. See the attached image. This is the STYLE and exact REFERENCE of what it should look like. Create variants of this. The best one wins!

I have created circuit using proteus, I want to get PCB boards for this circuit. I need pcb layout andn / or gerber files to submit to pcb maker pls. respond if you have experience in this work, I will provide circuit

I am looking for an expert in antenna design, specifically for high-frequency pulse antennas, to design a solution for a Radar system project. A very quick and easy design with those which are familiar with pcb software. I basically just need you to copy the attached picture with solder. The only component will be an SMA connector, thats it. Skills and Experience: - Deep understanding of high-frequency (above 10 GHz) pulse antenna designs - Proven experience in circuit Design software to implement the design on a PCB layout. - Prior work in antenna design for radar systems - Strong knowledge of using design software for antenna modeling and simulation Project Details: - The antenna should operate at high frequencies (above 10 GHz). - This proj...

I need a knowledgeable electrical engineer or specialist to create detailed electrical design plans for my personal garage project. My need is solely for the electrical diagrams and not full construction blueprints. The garage will house basic household systems only, no heavy machinery or equipment, and no electric vehicle charging units. Ideal Skills and Experience: - Electrical Engineering - CAD/CAM - Building Architecture - Experience in drafting plans for building permits Expectations: - Producing a thorough, code-compliant electrical design - Ability to communicate clearly and iterate based on discussions - Completion within agreed timeline. A knowledge of local building codes and regulations would be advantageous.

I require a 10-page paper that focuses on comparing the transition to hydrogen internal combustion engine vehicles with electric/battery-powered cars. This paper should thoroughly explore the environmental impact, cost-effectiveness, and overall performance of these two types of vehicles. Key Areas to Cover: - Environmental Impact: The freelancer must analyze and present a detailed comparison of the environmental impact of hydrogen and electric vehicles. - Cost-Effectiveness: The paper should investigate the cost implications of transitioning to hydrogen internal combustion engine vehicles in comparison to electric/battery-powered cars. - Performance Comparison: A crucial part of the paper will be to comprehensively compare the performance levels of these two types of vehicl...

I'm looking for a professional who has experience in debugging ESP32 through JTag. My circuit with ESP32 is newly pronted and not tested yet. I need to do some steps with an expert who can dive deep into the debugging process. The ideal freelancer for this job should have: - Proficiency in handling and debugging ESP32 through JTag - Familiarity with Espressif IDF development environment

I am seeking a proficient PCB Designer who can help me design a PCB layout for Buck Boost Converter circuit. The project specifics are: - The PCB is only two layers. Front copper layer and Back copper layer. - KiCad is the software to be used. - Working with both through-hole components and surface-mount devices to develop the PCB. - The primary application of this board is for prototyping, so accuracy and attention to detail are a must. Please make sure to include examples of your past PCB designs in your proposal if available.

I am searching for an accomplished electrical engineer and coder who possesses advanced technical abilities in circuit design, analysis, and programming microcontrollers, namely with Raspberry Pi. These skills are necessary for the fruitful completion of the project. Key Responsibilities: - Design creativeness is a must as I place an emphasis on compact-sized micro-circuits. - Robustness is critical in order to effortlessly connect to external devices. - Implementing GPIO pins for sensor integration requires comprehensive expertise. - Responsibility includes diagnosing and troubleshooting electrical systems when the need arises. The successful freelancer will ideally have substantial experience in Python as this is the preferred programming tool for thi...

I'm looking for a freelancer who can help me identify distributors and pricing for new high voltage utility items, specifically transformers, circuit breakers, insulators, motors gears, and communication equipment. Key Responsibilities: - Research and identify reliable distributors of new high voltage utility items in North America - Obtain pricing information for these items - Provide a comprehensive report listing distributors and their pricing for each type of item Ideal Skills and Experience: - Proven experience in market research and distributor identification in the electrical utility equipment or similar field - Excellent communication skills - Strong analytical skills to determine competitive pricing - Knowledge of the high voltage utilit...

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I'm in need of an expert to design a site plan for a Level 2 EV chargers. Key Requirements: - Analyze existing property blueprints and create ev charger plan with load balancing for 20 chargers. - Ev charger plan must include: Cover Sheet, site plan, electrical site plan, parking layout and details, single line diagram, schedules and Notes and T24 compliance forms. Experience: - Experience in EV charging station design. - Experience in load balancing for multiple chargers

...with a simple code for the 'ESP-WROOM-32' board. My project requires configuring the Arduino to produce a specific light blinking pattern. The trigger for this action will be a warning light in my dashboard. Details: - The ESP-WROOM-32 board is my Arduino of choice. It should be programmed to perceive the status of my dashboard’s warning light. - Once the Arduino detects that the warning light is on, it must signal for another light to blink. -I want to splice into another warning light on my car instrument panel and use the power feed on that as my input signal for the arduio - I prefer the blinking pattern to constitute 5 blinks, followed by going out. -I can power the board from a 9v battery if using the voltage from the car is t...

...with the primary goal being to increase manufacturability. The improved design should reflect in the product's portability, energy efficiency, resistance to weather, and extended battery life. Ideal Profile: - Experience in Product Design - Understanding of Efficient and Durable Design Principles - Knowledge of Power Management for Electronic Devices Your role will involve: - Reengineering the product design for better manufacturability without compromising on aesthetics or functionality - Incorporating features that improve portability, energy efficiency, resilience to weather conditions - Enhancing the battery life of the product. Your contribution will significantly shape the efficiency and user-friendliness of our high-demand enterprise advertis...

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***PLEASE NOTE I AM NOT INTERESTED IN RANDOM DESIGNES FROM OTHER BUSINESSES - I WILL BLOCK THE FREELANCER - ONLY SUBMIT DESIGN ACCORDING TO DESCRIPTION BELOW*** I'm seeking a talented graphic designer who excels in modern, minimalist styles and has a keen eye for cool-toned color schemes. My project involves creating a fresh and engaging logo, business card and leaflet design for my car coding company (SOME SAMPLE DESIGNS ATTACHED). Here's what I need: **Logo Design:** - Must incorporate modern, clean lines with cool tones - Reflects the innovative and technical nature of car coding **Business Card Design:** - Modern and minimalist style - Incorporate the new logo **Must include the following elements: ** - My logo - Contact information (phone number, email, and...

I am looking for an experienced Verilog developer who can work on my Verilo HDL project. Design a digital circuit for a fruit sorter based on following specification. Develop the block diagram (consists of datapath and control units) and the ASMD chart. Assume that there is a 1-bit RESET signal to reset the circuit and it is asynchronous and active low. In addition, there is a 1-bit CLOCK as the clock. The circuit will start the operation when a 1-bit input signal START is asserted. A fruit detector provides a 1-bit input FRUIT that becomes 1 for one clock cycle if banana is detected and the FRUIT signal will be 1 for two clock cycles if orange is detected. There are 2 different outputs which are OUT1 and OUT2 that will be 1 ...

...setting. The goal of this poster is to persuade that it is expected they use hearing augmentation to assist with hearing for understanding. Key Requirements: - Size: The poster must be A4 landscape. - School logo to be included - Style: It should be designed with a professional and informative look, focusing on readability and clarity. - Tailoring: The content should be suitable for teachers of students in 7th to 12th grade. The poster should include: - Clear and concise instructions on where the hearing augmentation devices are located in the classroom. - Please include, "All teachers at xxx are expected to wear the lanyard microphone when teaching. Please return to the charging dock at the end of the lesson." Ideal Skills: - Graphic design: The abil...

I need an expert in hardware analysis who can assist in identifying a SOIC-8 flash memory chip within a printed circuit board. The central concern of this project is: • Identification of a low-capacity memory chip, up to 1MB. The ideal candidate should have: • Comprehensive knowledge and skills in hardware analysis. • Experience in identifying and differentiating SOIC-8 flash memory chips of varying capacity. • The ability to provide precise and effective results within a reasonable period. Your bid should include a complete analysis report, detailing your methods and confirming the identity of the memory chip. As part of the deliverables, please include tangible proof verifying the chip's capacity.

...main purpose of the project is to ensure the stability and reliability of the microgrid through an effective distributed secondary control mechanism. - The microgrid comprises of Solar PV, Generator, and a Battery storage system. - The primary power quality issues that require addressing are related to voltage and frequency. - I'll need you to explain the project design once you are done on zoom call or something as I need to write my thesis on this so I'll need know all the details about the project. Ideal skills and experience for this project include: - Proficiency in Simulink for designing and implementing control systems - Strong knowledge of distributed secondary control mechanisms - Experience with microgrid systems is a plus - Familiarity with p...

I'm looking for a skilled professional to simulate & test of my microcontroller based hardware design, using proteus and test its performance. Also, if there is any performance bugs, need to correct it and also, build pcb prototype and physically test the performance

I'm looking for a 5kW solar inverter specifically designed for residential usage. It should be equipped with a battery backup system to ensure continuous power supply during outages. Key Requirements: - 5kW Power Output: The inverter should be capable of handling 5kW of power, suitable for residential usage with inductive loads. - Battery Backup Compatibility: It must be designed to work with a battery like lead acid and LifePO4 battery of 48V which will be a 16 string LifePO4 battery.. This is crucial for ensuring uninterrupted power during times of outages or low sunlight. -Tgere whouxl be an lcd screen to do settings and check status. - Residential Suitability: The inverter should be designed for residential e...

I'm in search of a skilled developer who can help me design a Battery Management System (BMS) for Lithium-ion batteries. The primary functions of the BMS will be to monitor the health of the battery, control its charging and discharging, and ensure its safety. Key Requirements: - Experience in developing Battery Management Systems - Proficiency in Bluetooth communication protocols - Understands the specific needs of Lithium-ion batteries and how to optimize their performance - Capable of integrating safety features into the BMS to prevent incidents like overcharging or overheating The successful candidate will need to be able to work closely with me to understand the specific requirements of the BMS and design a system that meets these needs. The a...

I'm seeking a designer who can bring a refreshing minimalistic and modern look to our website logo for TechWeb.sg. The new logo needs to communicate technology, innovation, and trustworthiness. Key Requirements: - Theme: It should incorporate technology-related elements or symbols. You can consider using yourselves motifs like circuit boards, lightbulbs, or robots. - Color Scheme: The primary color scheme should be blue. - Style: The design must be minimalistic and modern. - Font: I prefer the font to be a unique, custom style. Layout Preferences: - Logo's layout should be horizontally arranged. Ideal freelancers for this project will have: - Experience in modern, minimalistic logo design. - Creative ability to translate abstract concepts into engaging...

I'm looking for an architect to design building plans for an 18 foot habitation box for my expedition vehicle, ensuring it's equipped with all necessary systems for a comfortable journey. Key Points: - **Power System:** It's crucial that this habitation box has a reliable and versatile power system. I need it to include solar panels, a battery bank, and a generator. The architect should ensure that these systems are integrated seamlessly within the design, considering factors like space, weight distribution and ease of access for maintenance. - **Water System:** The design should factor in space and weight considerations for the habitation box's water system. I'd like to have a freshwater tank, greywater tank, and...

I'm looking for a math expert who can help me solve calculus problems related to electrical circuit analysis. The ideal candidate should have a good understanding of calculus, particularly in the context of electrical circuits. Key Requirements: - Proficiency in solving calculus problems - Understanding of electrical circuit analysis - Comfort working with circuits involving capacitors and inductors Experience with advanced calculus and electrical engineering is a plus. Your job will be to solve complex calculus problems within the context of circuits with capacitors and inductors. If you have experience or knowledge in this area, please don't hesitate to bid.

I require a skilled 3D designer to encapsulate a small wearable device with key inclusions of a battery compartment, USB C, and Micro SIM. The purpose of the design is to accommodate an IoT device, ensuring it remains sleek and compact. The utmost importance is placed on the dimensions, so the final design must have a footprint similar to that of a smartwatch. 30 x 30 x 10 mm. Key Skills and Experience: - Proficiency in 3D design software - Prior experience with wearable devices - Understanding of IoT device encapsulation - Ability to work with compact, small-scale designs

...matching and proper KiCad design. You must review the schematic to ensure there are no issues before you start routing. I'm seeking a proficient PCB designer with experience in KiCad for the development of a multilayer circuit board intended for consumer electronics. Key Points: - The project involves the creation of a multilayer PCB targeted for consumer electronics. Prior experience in this field would be highly advantageous. - Proficiency in KiCad is essential. Prior experience working with KiCad for multilayer PCB designs is a must. - You should have a good understanding of the manufacturing process for consumer electronics PCBs, including the constraints and requirements that come with it. - Ability to work with me closely and make ...

Product information on connector locking devices for electric vehicles <Overview> Please collect product information on vehicles or service information that have or will have the technologies described in the “Technology Description” section below. <Technology Description> This technology switches the connector connected to the inlet of an electric vehicle between the locked and unlocked states. There are various types of connectors that connect to inlets. For example, there are DC charging connectors, AC charging connectors, discharge connectors, etc. At this point, you need to determine exactly what type of connector will be installed in the inlet. If the wrong connector is connected to the inlet and it becomes locked, the user may no...

...work on a project related to Li-ion batteries. I have already done some work. I don't know about battery modeling on ANSYS Fluent. I am trying to mimic TR using a thermal model. The geometry and the parameters are taken from the research paper (the research paper is attached). I propagated TR using a user-defined function (UDF) on ANSYS Fluent, but I couldn't get a higher cell temperature than the one mentioned in the paper. The UDF contains the data points and Time extrapolated from the research paper (Fig. 5). The heat generation is calculated using q''' = rho*Cp*dT/dt. (The work should be done on ANSYS Fluent). Key Tasks: - Conduct detailed thermal analysis and simulation on a Li-ion battery. - Show the transient response of cell temperatur...

I'm seeking a talented freelance designer to put together a compelling project presentation. It's objective is to pitch a product - a sustainable green energy battery for electric vehicles (EV). The main audiences are investors and the general public. Key work includes: - Crafting a cogent narrative that thoroughly explains the product benefits - Preparing visually pleasing slides to enhance understanding and impact - Ideally, turning technically complex concepts into accessible information. You'll need to have: - Strong background in design with a portfolio showcasing your previous project presentations - Knowledge or interest in sustainable energy and EV technology - Exceptional writing skills to convey ideas clearly and compellingly - Experience in prepa...

I'm looking for an experienced individual to help with an audio breadboard project focused on low frequency tone decoding. The main goal of this project is to trigger an external camera circuit via an analog signal. Key Project Requirements: - Low power stand alone circuit to trigger a camera - Build a mic from parts, i.e. electret, cap, and resistor, that can pick up in the 22Hz range - Amplify the signal with a common amp chip (i.e. LM 386) - Amp needs to work with existing tone decoder circuit that works. Ideal Skill Set: - Proficiency in Low Frequency Signal Processing - Experience in Audio Breadboard Projects - Understanding of Analog Signal Transmission - Comfortable walking me through this online, via video interaction after schematics draw uo Thi...