5v battery charging circuitεργασίες

...Implement search features to allow users to quickly find specific information, such as product documentation or support articles. Customer Support Ticketing System: Implement a ticketing system for efficient customer support management, ensuring timely responses to inquiries. Newsletter Subscription: Allow users to subscribe to newsletters for regular updates, tips, and industry insights related to circuit design. Localization of Website: Provide language localization options to cater to users from different regions. Secure Download Center: Create a secure download center where users can access the latest software updates, patches, and documentation. Reference website ...

...Experience in designing boards for CPUs, FPGAs and uC - Experience in process-driven development environments - Experience in requirements engineering - Knowledge of companion devices integration - Familiarity with connecting cameras to FPGA boards Skills and experience: - Hardware requirements engineering (preferrably with Polarion or DOORS) - Proficiency in FPGA board design and development - Circuit design and layout (with Altium Designer) - Strong understanding of companion devices integration - Experience in designing FPGA boards with camera (3D-SDI) and display (HDMI) connectivity - Knowledge of further interfaces like CAN, UART etc. The product will be used in the automotive industry. A knowledge of the respective norms and regulatory conditions is beneficial. Like funct...

...seeking bids for a mobile vendor bottle cooler that will revolutionize roadside drink sales in Africa. The cooler should be battery powered and solar charged, providing mobility and independent operation. Specifications: - Size: 600mm x 300mm x 450mm - Sturdy wheels for easy mobility on uneven surfaces - Battery powered for independent operation - Solar charging capabilities for sustainable energy usage - Efficient cooling system to keep drinks cold - Durable construction to withstand outdoor conditions - Secure locks and bottle securing mechanism Please submit your bid, including details of the proposed design, materials, cooling system, battery specifications, solar charging capabilities, and any additional features or technology that could enhanc...

I need to develop a circuit installation featuring nano based sensors that will capture real time data. The purpose of this project is to get the real time data while extinguishing the fire from fire fighters, and it will use multiple sensors to get the job done including gas, temperature, sweat, heart rate, visual alarms looking the complexity of situation and send signals through wifi to desk for external help. This we are going to install in suit of fire fighters uniform. That said, I am looking for an experienced Freelancer who can help me develop this circuit installation with skill and precision so that it functions as needed.

Detailed press release for HeyBike getting their UL2849 certification for battery safety.

...or build a new professional website for Electric Vehicle Charging. The goal of the website is to provide information about electric vehicle charging. I have some existing materials that can be used as a starting point, so the developer can work with those or start from scratch based on a general direction. Online payment functionality is not required at this time, but it may be needed in the future. Current website is WIX, and would prefer to keep using WIX. Attached is lots of written content to help and a video explaining what ChargePost does. Ideal skills and experience for this project include: - Proficiency in web development and design - Experience with creating informative websites - Knowledge of electric vehicle charging and related technologies - Ab...

...charger into the main switchboard, thereby avoiding repeated power conversions and maintaining better efficiency. The battery and DC drive have already been selected, and their datasheets will be provided for reference. My objective is to simulate DC charger schematic in Simulink to analyze the output current and voltage of the converter. The results of this simulation will be used to size LC-filters, ensuring that the battery is safely charged with accepted voltage ripple. The filter will also smooth out the current and voltage waveforms, making them suitable for the intended battery. The power and current direction of the system will be from the DC converter to the battery. The battery will not provide any power to the busbar, and therefore does not ...

Hello there! I'm looking to commission a Warforged juggernaut piece of artwork in digital format. The main focus of the piece will be on the character design, and it needs to depict them charging ahead, as if ready to face any challenge. I'm looking for an artist with a keen eye for detail and a talent for bringing the concept to life. The ideal piece will capture the power and strength of the Warforged juggernaut while maintaining a captivating aesthetic. If you think you have what it takes to produce a top-tier artwork to represent the Warforged juggernaut, please submit your bid and I'll review it. Thank you for your interest in my commission and I look forward to your work!

I am looking for a PCB designer who can help me create a pocket-sized handheld gaming device. The ideal candidate will have experience in designing compact ...a PCB designer who can help me create a pocket-sized handheld gaming device. The ideal candidate will have experience in designing compact electronics and will be able to incorporate the necessary external features and buttons. The device should have a power button and a battery life of 2-4 hours. I am designing a small form factor raspberry pi 4 based handheld, where I intend to pack things as tight as you see here (PiBoy Xrs kit): I basically want to design a pcb/circuit, that allows me to power the raspberry pi 4 via flat pack LiPo batteries. My budget for this project is 5000₹.

Required experts for Grid, solar and battery management

I am seeking a professional who has experience in building oscillators that can operate within the microwave frequency range for wireless power transmission. The project requires expertise in designing a Voltage Controlled Oscillator (VCO) that can work within the specific frequen...selected and given a big project in power transmission. Ideal Skills and Experience: - Proficiency in designing and building oscillators for microwave frequency ranges - Strong understanding of wireless power transmission principles - Experience with Voltage Controlled Oscillators (VCOs) and their applications - Knowledge of microwave frequency ranges and their characteristics - Familiarity with circuit design and layout for VCOs - Ability to troubleshoot and optimize oscillator performance Budget: $5...

I am looking for a freelancer who can assist me with making cold calls to small businesses in India, with the goal of promoting our remote battery monitoring products. The ideal candidate should have experience in B2B cold calling and be familiar with the Indian market. Target Audience: - Small businesses in India related to Solar EPC, Residential UPS battery users, Telecom towers, bank, hospitals etc. who use UPS batteries for backup system Purpose of the Cold Calls: - To promote our energy sector products - Lead Generations Region of Focus: - India as a whole Skills and Experience: - Previous experience in B2B cold calling - Familiarity with the Indian market - Excellent communication and persuasion skills - Ability to effectively convey product benefits and features -...

... I have a budget of 250-750USD for this project and I need the motor to be specialized. I won't need a battery for the project. I'm looking for an experienced electric engineer or technician to help outline the plans of this solar system and follow through with creating it. The individual needs to have knowledge and experience in creating and designing solar systems and expertise with choosing hardware and components needed for the build. I'm looking for someone who is patient and willing to answer any questions I may have throughout the project. This project must be done within our given budget and timeframe. Attached are pictures of the electric bicycle, trailer, and data on the battery that the solar system needs to charge. About Us We are a traveling and...

I am looking for a skilled individual to design ...for a skilled individual to design and develop a weigh scale circuit. The circuit needs to have a high level of accuracy, with a required accuracy of at least 30000 divisions, with stable output (low noise). Specific components and specifications are important for this project, and I have some in mind. I am specifically looking for the CS5530 analog-to-digital converter to be used in the circuit.. Ideal skills and experience for this job include: - Strong knowledge and experience in circuit design and development - Familiarity with weigh scale circuits and their components - Expertise in working with analog-to-digital converters, particularly the CS5530 - Attention to detail and ability to achieve high level...

I am looking to develop a flashing alarm circuit that has Wi-Fi, SMS and email notifications with a range of more than 500 feet. I am open to suggestions when it comes to specific requirements, but I would like the circuit to provide Wi-Fi, SMS and email notifications to alert users. I would also like the range of the Wi-Fi and cell notifications to reach more than 500 feet. With this system, I can be sure that the notifications reach the intended recipients in time.

I'm looking to create AutoCAD drawings for a villa that I'm constructing. Specifically, I need interior design drawings created at an advanced level of detail. I do not need 3D drawings at this time. I need to find a skilled freelancer with AutoCAD experience wh...I do not need 3D drawings at this time. I need to find a skilled freelancer with AutoCAD experience who can produce an end product that meets my exact specifications in a timely, cost-effective manner. Ideally, I would like to view examples of prior work so I can make an informed decision about who to hire. Drawing requirements 1. Room by room elevations details 3. RCP 4. Lighting circuit and layouts 5. Electrical plans 6. General layouts 7. Door schedules 8. Joinery details Thank you in advance for ...

I'm looking to create AutoCAD drawings for a villa that I'm constructing. Specifically, I need interior design drawings created at an advanced level of detail. I do not need 3D drawings at this time. I need to find a skilled freelancer with AutoCAD experience wh...I do not need 3D drawings at this time. I need to find a skilled freelancer with AutoCAD experience who can produce an end product that meets my exact specifications in a timely, cost-effective manner. Ideally, I would like to view examples of prior work so I can make an informed decision about who to hire. Drawing requirements 1. Room by room elevations details 3. RCP 4. Lighting circuit and layouts 5. Electrical plans 6. General layouts 7. Door schedules 8. Joinery details Thank you in advance for ...

...to fill out intuitively and add logo attached. Pet Waste Removal Serv Pet Waste Removal Service Agreement This agreement (the "Agreement") is entered into between [Customer's Full Name] ("Customer") and [Your Company Name] ("Provider") for the provision of pet waste removal services. By signing this Agreement, Customer agrees to the terms and conditions outlined below, including automatic card charging upon completion of each service. 1. Service Selection: Customer hereby selects the following service option: • Weekly Service ($25.99) • Bi-Monthly (Every Other Week) Service ($35.99) • Monthly Service ($49.99) 2. Customer Information: • Full Name: ______________________________ • Address: ________________________________...

-My difficulty is explaining what is happening in this circuit-I am looking for a freelancer who can provide detailed information about a digital circuit for power distribution at a DC 5V operating voltage. - Understanding of the specific requirements for power distribution in digital circuits - Experience in testing and troubleshooting digital circuits If you have the necessary skills and experience, please submit your proposal. Thank you!

Project Title: 433mhz notifier for specific events I need a simple PCB design which include following. 1) Desig...following. 1) Design should be as small as possible, perhaps even smart-watch size. 2) Design will include place for: - microcontroller (ATTINY85 or smaller/better) - 433mhz (or LoRa!) reciever (whatever smaller you can find but it needs to cover 15meters range with two walls) - battery charger controller with USB input - Battery holder for LiPo Battery (300mAh?), connected to charger and microcontroller - vibration motor Idea is to send 433/LoRa signal (code) to bracelet that will vibrate. Simple project. Battery time should be around 13 hours. If project requires or it's better, it can also use microcontroller with wifi. Any other suggestio...

PCB for Metal Detector ~ 5 meter Depth I am looking for a skilled PCB designer to create a circuit board for a metal detector with the following requirements: Power Supply Voltage: 12V - The metal detector should be designed to operate with a 12V power supply. Sensitivity: High - The metal detector should have a high level of sensitivity to accurately detect metal objects. Range: 5-6 meters - The metal detector should be able to detect metal objects within a range of 5-6 meters. Skills and Experience: - Experience in PCB design and layout. - Knowledge of electronic components and their specifications. - Familiarity with metal detector circuitry and design principles. - Ability to optimize the circuit for high sensitivity and long-range detection. - Attention to detail an...

I am seeking someone to create a website like with an Android and iOS app. The website and apps should have the same features as , but with slightly different designs. The apps would be like for Android. ios app would be like

...**Modern and Tech-Savvy**: The logo should have a modern, tech-forward feel to it, representing the cutting-edge nature of AI technology. 3. **Professional and Trustworthy**: As we're dealing with businesses and their critical operations, the logo should convey a sense of professionalism and trust. 4. **Symbolism**: Consider using symbols that represent AI, such as neural networks, robots, or circuit patterns. However, these should be abstract and simple, not overly complex or detailed. 5. **Color Palette**: We suggest using cool, futuristic colors like blues, silvers, or purples. However, we're open to your creative suggestions. 6. **Typography**: The font should be modern, clean, and easy to read. It should convey a sense of simplicity and sophistication. 7. **Ve...

I am looking for an electronics engineer with expertise in EMT circuit designing, specifically in digital circuit design. Skills and Experience: - Proficiency in EMT circuit design, with a focus on digital circuits - Strong knowledge of circuit design principles and techniques - Experience in developing and implementing digital circuit designs - Familiarity with EMT standards and guidelines - Ability to analyze and troubleshoot circuit designs - Excellent attention to detail and ability to follow specifications Project Requirements: - The deliverable for this project is product documentation for the digital EMT circuit design. - The documentation should include detailed schematics, component lists, and any necessary instructions or guidel...

Design a three operational amplifier instrumentation amplifier circuit, inclusive of EMI reduction.

I am looking for a hands free electric breast pump that meets my specific needs. As such, I need a pump that has both battery and AC power adapter capabilities, allowing me to use either of them or both together. Additionally, the pump needs to be mobile and portable, so that it is easy to take with me. Finally, the pump need to have customizable suction strength so that I can choose the perfect suction strength for my needs. It is important to me that this product meet the criteria outlined above, and I am willing to invest in a high-quality product that can do this. below I have attached some pictures of a similar product. I would love to know production costs and time frames.

I am working on 4 wheel drive vehicle rob..."embedded C" coding of requirements, interfacing sensor code , software requirement testing etc . Person should have worked on, Analog and digital inputs and outputs, should know about PWM ,and current controlled outputs should be enthusiastic to work upon sensors like RPM, Gyroscope and more. Person should be good in understanding and making, simple electronics circuits ( like PULLUP/PULL DOWN circuit, Switch control or capacitor filter circuits etc) person will be responsible for: 1. Sensor integration and coding and testing 2. Requirement Implementation for robots 3. perform module level and integration level testing 4. maintain the documentation Person should finish the work on time . I will explain on work details la...

...LED light circuit for a single cell lithium battery. The required voltage for the circuit needs to be 3.7V, and the battery needs to be a Li-ion battery. The LED lamp should have a wattage between 1-2W. The project requires someone with expertise in developing a specialized circuit that is suitable for solar-powered applications. The end result should be a fully functioning LED circuit that provides the necessary wattage to the LED lamp while operating at the specified voltage rating. - Solar panel 2.5w 5.5v -Using 1 cell lithium ion battery with BMS - output minimum 1.5w continue until battery drain (battery BMS cutoff 2.8v) - Auto on off function - on off manual switch - LED details 3.2v 60mA UV led - it�...

Change Display From .96 to Inland 128x64 1.3" LCD and Mounting Bracket / Screw Holes Change 12 Key from JCAR to DIGIKEY Part Number #1568-1856-ND Change Rotary Encoder Bracket To Fit Inland Rotary Encoder KS0013 Change Battery Bracket To Allow MakerFocus 2000mAh All the dimensions will need to be adjusted with their mounting screws as well to accommodate the new parts. I have the parts and will be adding sizes ASAP.

I am looking for an experienced PCB designer to help me with a double layer printed circuit board with integrated circuits (IC) and micro jst connectors. This project requires a high level of skill in order to design a board that can handle all of the components being used. The designer should be very familiar with the micro jst connector as well as be able to read and understand the schematics. The board must have a minimum lead time guarantee and it should be able to handle the highest current loads possible for the components on it. The designer should also be experienced in providing feedback and iteratively changing the design until the desired results are achieved. This is a complex project requiring a high level of expertise so please only apply if you think you have what it ...

...project Scope of Work: A Presentation with 3 - 4 slides has: -Research and compile a list of GPS tracking devices that are compatible with vehicles and offer real-time location tracking capabilities. -Collect detailed specifications of each identified GPS tracking device, including but not limited to: Device name and model Manufacturer information Technical specifications (e.g., GPS accuracy, battery life, connectivity options) Supported vehicle types (cars, trucks, motorcycles, etc.) Physical dimensions and installation requirements Additional features (e.g., geofencing, speed monitoring) Mobile Application Integration: Investigate the compatibility of each GPS tracking device with our custom mobile application. Check for available APIs or SDKs for integration with the mobi...

...Required: - Proficiency in electrical engineering and physics - Strong understanding of electrical circuits and their components - Knowledge of circuit analysis techniques and principles - Familiarity with circuit design and troubleshooting - Ability to interpret and analyze circuit diagrams and schematics - Experience in working with circuit simulation software Project Deliverables: The requested output for this project is documentation. The deliverables include: - Detailed explanations and analysis of electrical circuits - Circuit diagrams and schematics - Step-by-step procedures for circuit design and troubleshooting - Recommendations for circuit optimization and improvement - Any other relevant documentation related to electrical cir...

I am looking for an experienced professional to conduct a Life Cycle Assessment (LCA) of Electric Vehicle Battery Recycling Methods. The purpose of this assessment is to identify the environmental impact of different recycling methods. Skills and Experience: - Strong knowledge and experience in Life Cycle Assessment (LCA) methodologies - Expertise in evaluating the environmental impact of recycling methods - Proficiency in analyzing energy data, emissions data, and material flow - Familiarity with electric vehicle battery recycling processes and raw material components - Ability to recommend the most sustainable recycling method based on the assessment results - Choose the impact category of the LCA is GWP and CED The desired outcome of this project is to recommend the mos...

Need to find an engineer to replace the battery for the air compressor.

I am looking for an experienced engineer to design an inverter for me. The power capacity of the inverter must fall in the range of 1kW-5kW, and I need it to be a bi-directional model. No user control or...engineering and inverter design. The inverter must be designed within agreed timelines at an acceptable cost. If you think you have the skills and experience necessary for this job, please apply for the project. There will be 6 signals coming from a MCU so those 6 pwm signals will be switching the MoSFETs. The current can go upto 400A and voltage to 120v. The system works on a 72v system from a Li ion battery. I need the inverters designed for 6 mosfets in a three phase half bridge configuration. Each mosfet is paralleled in 3 so total of 18 mosfets are present. The MoSFET used ar...

I need to trigger an IRFZ44N, this mosfet will turn on 30V, the signal will be an output of a microcontroller (PWM 5V @ 3khz). I need the freelancer to develop the circuit between the microcontroller output and the IRFZ44N gate. GND of microcontroller,IRFZ44N and load are the same.

I am in need of a professional who can build an oscillator circuit for me. The circuit should be able to convert 120v of current into a frequency of 30GHz. I am open to suggestions regarding the specific requirements and specifications of the circuit. However, it should be completed within a week. Ideal skills and experience for this project include: - Expertise in designing and building oscillator circuits - Knowledge of low frequency oscillators and frequency amplifiers - Familiarity with converting current into specific frequencies - Ability to work within tight deadlines

Files inside folder should be uploaded:- Two types of upload:- Auto Upload and Manual upload. Auto upload:- 1. User should be able to to select folders for syncing 2. When the battery is above 80% and charging and connected to wifi, upload images to a local (lan) server using a given http api call (i will provide http api) 3. First check whether the file is already uploaded or not. 4. Only upload files which are created after the date-time of installing the app. 5. It should run in background even if the app is closed (foreground service) Manual Upload:- 5. Another option to manually select one or multiple file and upload by manual upload button. Comman1: Delete files which have been uploaded after 3 days of the upload, ask user permission every time before deleting. Saying...

...experts will upload predefined coordinates from the field to a web app. Project engineers will be able to edit these coordinates to complete the projects. The application will enable the visualization of projects using AR technology. The expected features of the application are as follows: - Direct selection (we will provide assistance with calculations) - Calculation of voltage drop, short-circuit, and current (we will provide assistance with calculations) To develop this project, we are seeking a freelancer specialized in AR and infrastructure coordination. Previous experience in similar projects and providing references will be preferred. If you believe you have the expertise in this project and are interested, please get in touch with us along with your price proposal. d...

I am looking for a freelancer to develop a digital flowchart of the charging process for electric vehicles. The flowchart must include an accurate and detailed description of all elements involved in the charging process. I need a diagram that explains each step in the process, from plugging in the vehicle to finishing the charging session. The flowchart should be visually appealing, and provide full information of any action the user will need to take.

I am looking for a freelancer...looking for a freelancer who can build a financial model for a large scale battery storage project. The purpose of the financial model is to assess the feasibility of the project. The level of detail required in the financial model is a high-level overview, providing a general understanding of the project costs. The financial model should include all revenue and costs streams that can be expected for the project, it should include expected project development steps and the capital requirements at each stage (cash flow). Ideal skills and experience for this job include: - Strong knowledge and experience in financial modeling - Knowledge of Australian energy markets, government schemes etc - Understanding of battery storage projects and their f...

This is mainly a basic circuit design. I want an undervoltage and overvoltage cutoff circuit for 240V AC mains. The functional requirements are such: Min Voltage: 100V Max Voltage: 290V Max Power drawn: 300W (for eg. 1.2A@250V, or 3A@100V) The input circuit should be cutoff outside the min-max voltage range (variable). Also, it should be a non-relay cutoff. So you can think of triacs or mosfets or anything else. I want the circuit alongwith the Material list (eg. 12V transformer, diodes etc.).

...conducted emissions. Propose modifications to the circuit design to minimize radiated emissions and enhance electromagnetic shielding. Conduct comprehensive testing, including conducted emissions testing (access to facilities capable of Radiator Conducted Emissions testing required), to verify the effectiveness of the modifications. Improve the PCB layout design to further mitigate electromagnetic interference. Provide clear documentation of design changes, testing procedures, and results. Qualifications: Strong background in electronics engineering with expertise in power supply circuits and electromagnetic compatibility. Proficiency in conducting conducted emissions testing and using relevant equipment. Experience in modifying and optimizing circuit designs for EMC com...

We are looking for an engineer who has - Good spoken English - American accent is a plus - Workshop with so many components Arduino, esp, raspberry pi, pic microcontroller, and others - Ability to shoot screen recording videos with voice narration explaining how to connect a circuit and test it out for students, like how to make a led cube using Arduino from scratch and similar things Comment with a lion at the beginning of your proposal Send a voice note that shows your accent Send a video tutorial that you made explaining something in embedded systems this can be - Per final minute 0.5-1$ per minute according to the level of experience and accent - Monthly job with a salary - Project-based Before applying for this job now to move ahead and before the interview I need a video re...

I am searching for someone who can explain me these topics (All that is included in my script) and prepare me for my exam. The topics are: Intelligente Verfahren in der Elektromobilität / intelligent processes in electromobility I am looking...Verfahren in der Elektromobilität / intelligent processes in electromobility I am looking for a freelancer who can help me with explaining these topics and help me to prepare me for my exam. I also have the whole transcript. The topics are: Introduction to intelligent methods in electromobility driving condition determination with recursive estimation methods condition and parameter estimation in battery management systems system identification of batteries in the frequency range data-driven cell monitoring to diagnose inte...

Intelligente Verfahren in der Elektromobilität / intelligent processes in electromobility I am looking for a freelancer who can help me with explaining these topics and help me to prepare me for my exam. I also have the whole transcript. The to...Verfahren in der Elektromobilität / intelligent processes in electromobility I am looking for a freelancer who can help me with explaining these topics and help me to prepare me for my exam. I also have the whole transcript. The topics are: Introduction to intelligent methods in electromobility driving condition determination with recursive estimation methods condition and parameter estimation in battery management systems system identification of batteries in the frequency range data-driven cell monitoring to diagnose inte...

I need a 555 or similar ic to do. 1. monitor when signal stops coming in a port for more than 3 minutes. Then issue a ground to another port 2. Every 23-25 hours. Issue a ground You must design and test then provide schematics

I'm looking for an electronics engineer/expert to convert my track powered locomotives to battery power, with remote control and sound unit. Locos are mainly US diesel outline, such as Aristocraft U25Bs. Battery pack, remote control unit and soundcard would be paid for and provided by me (as well as any shippingg/postage costs) so only price required is for time of engineer.

We would like to have you design a scented figure, or an abstract figure without anything similar, for our scented ball. Currently, we hang this ball and sprinkle it manually with a fragrance concentrate; for a few days, this wooden ball gives off a wonderful scent. We would like to integrate this ball in a figure (body), so that these then e.g. in a guest toilet to be set up and a ...few days, this wooden ball gives off a wonderful scent. We would like to integrate this ball in a figure (body), so that these then e.g. in a guest toilet to be set up and a wonderful smell can deliver. - the size should not exceed 10 cm in height and width - ball should be easily replaceable (ball size is currently 6 cm in diameter) - optionally we would like to integrate a small fan + battery c...

...of Jim Williams' famous avalanche transistor-based pulse generator that was published in Analog Device's application note AN47. I am NOT after a simple pSpice/LTspice model - these are trivial to make using spice models of transistors available for download. I need a model that incorporates real transmission line/geometric effects and can fuse electromagnetic models with non-linear TRANSIENT circuit simulation such as Agilent's Advanced Design System. Our university uses (ancient) ADS 2011 software in the student laboratories, so compatibility with this version would be appreciated, but is not strictly essential - if I can have a working cross domain simulation I will beg/borrow the necessary software. I've attached files to this project description illust...