5v battery charging circuit työt

I am looking...to design a Peltier driver circuit for my project. The circuit should meet the following requirements: - Input Voltage for the board is 24V. - Using DAC to adjust the Peltier voltage and ADC to read the Voltage/Current of Peltier [I2C or SPI]. - All the interface with uC should be isolated. [Only schematic is required WITHOUT PCB layout] Skills and Experience: - Good knowledge and experience in circuit design and electronics. - Familiarity with Peltier driver circuits and their specifications. - Attention to detail to ensure the circuit meets the desired requirements. - Ability to provide clear documentation and instructions for the circuit design. If you have the necessary skills and experience, please submit your proposal with examples...

...refining high-performance electronic devices. Your expertise in analog circuit design, microcontroller systems, and electronics CAD will be pivotal in transforming concepts into functional and optimized devices. Key Responsibilities: - Lead a team of electronics engineers, guiding their efforts toward creating exceptional electronic devices. - Spearhead the design, development, and optimization of electronic devices, focusing on analog circuit design with a low-frequency, low-noise emphasis. - Utilize your in-depth understanding of analog design principles, including OPAMPs, filters, and noise considerations, to engineer robust and high-quality solutions. - Leverage SPICE simulation tools to validate and fine-tune analog circuit designs. - Oversee the integration o...

Hi Guys, I would like someone to advise the components required to convert to 12 volt without the use of an inverter. Create a list and produce a drawing. From what I understand components required will be items such as 12 volt converter, POE Injector, RJ45, Dishy V2 original cable to RJ45 Adapter. This will be used to power a Starlink Dish from a 12 volt battery.

...essence of the design while ensuring clarity are welcomed. --- **Color Palette**: - Primary Colors: Black and Green - Secondary Colors: White and Gray for text and contrast --- **Font**: - **Nunito** should be used throughout the slide for all text elements. Please utilize its varying weights to establish a visual hierarchy. --- **Background**: - Base color: Black - Design: Subtle dark green circuit board or digital matrix patterns (layered for editability). --- **Central Image**: - Two editable digital spheres: 1. Deep shade of green. 2. Gray/black. - Connection: Green binary code or digital stream lines (editable paths). --- **Partnership Icons**: - Design seven green neon icons, each on its own layer. - Features: 1. Floating appearance with editable shadow effe...

A LiFePO4 battery charge / discharge controller designed for three cells or four cells in a pack. Each cell (14500 config) is 3.65V @ full charge. The power supply is either 12vdc (3-cell packs) or 24vdc (4-cell packs) we need both solutions). - Operating mode when the power supply is active: 1. Monitor and control charge and discharge for each cell independently. 2. Use constant current method @ 300mA to charge when the battery temperature is between 0°C and +45°C and when the cells are between 2.5V and 3.45V. 3. Cells should not charge when the battery temperature is above 45°C. 4. Cells will not discharge when the battery temperature is BELOW -20°C or ABOVE 60°C. 5. Each cell is monitored utilizing a unity-gain differential am...

We have a current commercial system that runs on the dsPIC33EP512GP506 (Ansi C code). Also we want to take advantage for future development of the capabilities of the ESP32 S3 especially ESP NOW RF. This project has 3 key elements: 1) Redesign the current circuit board to be exactly the same size, same plugs, same mounting holes and peripherals but change the microprocessor. Will require new schematic and gerber files 2) Migrate the C code especially device drivers to run efficiently on the ESP32 S3 ensuring software timers work at the same speed as the current ones. 3) Build in support for ESP NOW 4) Build 20 prototype boards with all components to fully prove the design. We will provide 2 sets of peripherals to the freelancer. Peripherals are: 1) 4 x 16 character LCD (includ...

Hello, I need a banner design for a special promotion for a gym. The banner is for a 5% discount for gym members. Banner must include: -Image of fitness models (attached samples) -Add 2 logos (gym and promotional company) -Promotional text: "Members save 5% Off Battery Delivery & Installation" -Add QR code image -Dimensions: 750 x 416px (centered) -Text to include: ---Free Delivery & Installation ---Free Jump Starts, Alternators, Auto, Marine, Golf, Trucks Budget $20

I am looking for a metal double eye pulley with a weight capacity greater than 100 lbs, capable of being used both industrially and residentially. The eye pulley needs to stand up to a wide range of usage, either within a large commercial setting or on-site in a residen...and the eye pulley should be able to be used over multiple operations, providing optimal versatility and flexibility. I am open to suggestions for material and design, as long as the overall product meets the specifications requested. I’m looking to have a box connected to the pulley for a circuit board so the pulley will be automated. There would have to be cogs that are automated be electricity so one one end a board for the circuit and the other end of the double pulley an electric lead box with a ...

...reliable battery backup system in place in my house. The main purpose of the system would be to provide reliable power during outages, which can occur during severe weather conditions or other unforeseen circumstances. The system will need to be able to power a large home - one which is more than 5 rooms - for extended periods of time if necessary. I am open to suggestions on the battery type and brand, as I am not sure what will work best for my particular needs. I am looking for the most cost-effective and reliable option given my requirements and budget. Our home has a breaker box orginally designed to accept electricity from a portable generator. The circuits for that unit powers critical appliances. I am looking for an experienced freelancer to design a home...

...ideal candidate should have experience in working with nb-IoT connectivity protocols, sensor interaction, and power management. Project Requirements: - Develop the nRF9160 firmware using the C programming language - Implement nb-IoT connectivity protocols to ensure seamless communication - Enable sensor interaction to gather and process data - Implement power management techniques to optimize battery life Timeline: - The desired timeline for the completion of the firmware development is less than a month. Skills and Experience: - Proficiency in C programming language - Experience in developing firmware for IoT devices - Familiarity with nb-IoT connectivity protocols - Knowledge of sensor integration and data processing - Expertise in power management techniques If you have t...

Project Title: Electrical engineering advice I am seeking an electrical engineer who specializes in electronics to provide me with general advice. Specific requirements: - Expertise in electronics within the field of electrical engineering - Ability to provide guidance and recommendations on various electronics-related topics - Strong knowledge of circuit design, components, and troubleshooting techniques Ideal skills and experience: - Proven experience in the field of electronics and electrical engineering - Familiarity with the latest industry standards and best practices - Strong problem-solving and critical thinking abilities - Excellent communication skills to effectively convey advice and recommendations The project does not have an urgent timeframe, so the engineer can p...

...post should look into the impact of convenience store coffee on coffee trends, customer loyalty, consumer tastes, and cultural habits. Finally, the post should offer some insights into the future of coffee and convenience and how they will shape the market and our purchasing habits in the coming years. Discuss the impacts of EV charging on fuel profits and how a high quality coffee can bring these customers while waiting for vehicles to charge. Coffee shop EV charging systems are a great idea with companies like Tesla already looking into the concept in North America. Coffee is still the #1 category product in convenience. Baristaequip systems provide a proven system that reduces the need to have a barista, Customers using our systems successfully McDonald's, Hu...

I am looking for a website developer to create a mail-in repair website for my repair services business. I offer repair services for mobile phones, laptops, tablets, and gaming consoles. The most common repairs that my customers need include screen replacement, battery replacement, HDMI repair, motherboard repair, and water damage repair. I need the repairs to be completed within 3-5 days for optimal customer satisfaction. also i need website support buyback service for electronic with automatic quotation , also support selling used devices and parts example Ideal skills and experience for this job include: - Web development - E-commerce functionality - Knowledge of repair service industry - Ability to create a user-friendly and professional website

I am looking for a website developer to create a mail-in repair website for my repair services business. I offer repair services for mobile phones, laptops, tablets, and gaming consoles. The most common repairs that my customers need include screen replacement, battery replacement, HDMI repair, motherboard repair, and water damage repair. I need the repairs to be completed within 3-5 days for optimal customer satisfaction. also i need website support buyback service for electronic with automatic quotation , also support selling used devices and parts example Ideal skills and experience for this job include: - Web development - E-commerce functionality - Knowledge of repair service industry - Ability to create a user-friendly and professional website

I'm looking to build a website for my new rental battery business, and I'm in need of a talented web developer to help me make it a reality. The website I need will be an e-commerce website that allows customers to rent battery from me online. My customers will also need the ability to scan a QR code to activate the rental of the battery. I have a vague idea of what I'd like the website to look like, but I'm open to design suggestions and need guidance in how this can be implemented. I'm also open to suggestions for any features or functionalities that could make the website great and create an exceptional user experience. If you think you have the skills and experience to help me build my website, I'd love to hear from you.

I'm looking for some expert help with a mixed-signal circuit design project. I need help with both the coding and physical design aspects; basically, I'm aiming for a detailed documentation of the end result. I need someone experienced in analog, digital, and mixed-signal circuit design; they should understand coding and physical design alike. I'm looking for an experienced freelancer to create a functional prototype, schematic and PCB layout, as well as the requested detailed documentation.

...Equipment Project - Circuit Breaker Replacement Skills and Experience: - Experience with electrical equipment, specifically circuit breakers - Knowledge of circuit breaker installation and replacement procedures - Familiarity with electrical safety protocols and regulations Project Description: I am seeking assistance with replacing a circuit breaker that has experienced a short circuit. The ideal candidate will have experience with electrical equipment and be knowledgeable about circuit breaker installation and replacement procedures. Responsibilities include: - Assessing the current circuit breaker and identifying the cause of the short circuit - Safely removing the faulty circuit breaker - Selecting and installing a su...

This project we are working on now is to revamp our products page. The goal is to make it more accessible and easier to navigate. Ideally, we would would like to create a products page that displays in categories showing a featured image, and a text box under it denoting the category name. I.e. battery switches, switches, busbars... All of the images are uploaded to the wordpress website. I would then like for these to be clickable and open to another page showing all of the products under that category.

I am looking for a freelancer who can create Gerber files for a digital circuit design. I have specific components in mind for the design and I would like the Gerber files to be complete, with all layers and detailed instructions. Skills and experience needed for this project include: - Proficiency in circuit design and creating Gerber files - Knowledge of digital circuit design - Attention to detail for creating complete Gerber files with all layers and instructions

I am looking for a freelancer who can help me with a PIC program and circuit board design project. Here are the details: PIC Program: - I need a microcontroller PIC program for my project. - The program should be able to control various functions and components. Circuit Board: - The circuit board should support the PIC program and a few other components required for the project. - The intended function of the circuit board is to control a device. Quantity: - I will need multiple circuit boards for my project. - I will most likely use the provided gerber files to have 5-10 circuit boards made in China. Ideal Skills and Experience: - Experience in designing PIC programs and circuit boards. - Proficiency in microcontroller programming and e...

Lithium Ion Battery Control related circuit devices for Temp runaway and fire protection at Lithium Ion Battery in Electric Vehicle Battery.

? Seeking Assistance! ? Electrical Circuit Hello everyone, We're currently looking for someone proficient in homework-solving to assist us with a few challenges we're facing. If you have the expertise or know someone who does, please reach out. Thank you!

Hi Priyanka B., Links off grid solar systems solar battery

Hello, I am in need of a PCB (~ 1 inch diameter) for human tracking system that is capable of providing real-time tracking updates to 1 or 2 persons. The tracking needs to include geofencing capabilities. It is similar to Apple Tag luggage tracker but should work with BOTH ...BOTH iPhone and Android phones. I would also need the tracking device to come with a SOS red button that sends a notification for help to the phone of a Caregiver or Family member. In short, I need a comprehensive real-time tracking solution that will enable the person with the tracker to send notification to a caregiver or a family member using a SIM card. It should a have a replacement 5 year battery such as CR2477. Must be able to create GERBER files and Bill of Materials spreadsheet to fabricate PCB design ...

...ESP-12F Development Board LC relay ESP 12 1R D8 2 Temperature sensor DS18B20 Stainless Steel Package 1/2/3M Waterproof 18b20 Cable Module 3 Communication moduls MAX485 Module RS-485 TTL Turn To RS485 4 Energy monitor Communication Module PZEM 004T 5 Energy meter DDS5188 5(32)A 20A LCD digital Power Consumption Watt meters AC220V 6 Dust sensor options GP2Y1014AU0F Compact Optical Dust Sensor 5V CJMCU-103 Dust sensor ZPH02 Dust sensor 7 Thermal Imager options MLX90640BAA Infrared camera AMG8833 8x8 Infrared camera Raspberry Pi zero WH kit Please let me know if there are any additional requirements. A telephonic conversation or zoom meeting can be done as per your convenience for detailed discussion . Looking forward to hear from you. Thank you, Shobi...

...transfer. - Strong knowledge of power electronics and circuit design. - Experience with RF engineering and antenna design. - Familiarity with safety standards and regulations related to wireless power transmission. - Ability to troubleshoot and optimize wireless power transmission systems. - Excellent problem-solving and analytical skills. Deliverables: - A functional wireless power transmission system that can efficiently transmit electricity wirelessly. The input of the system would be 240v ac 50Hz and 10Amps and would output the same 240v ac, 50Hz, 10Amps. I need a transmitter system, transmitter antenna, receiver system and receiver antenna. To be created via inductive methods. - Detailed documentation including design specifications, circuit diagrams, and performanc...

Need an Engineer to design the circuit schematic and PCB layout for a Single Board Computer that uses a Rockchip RK3399 SoC. This board will use a Linux based OS and will be used for multiple deployments/applications. This board will need to be very similar to the Raspberry Pi, Rock Pi 4b, RockPro64 and have a 40 pin GPIO that has the exact same pinout as the Raspberry Pi. Board will need to have: RK3399 SoC 4GB RAM - Preferably DDR4 - and must be in dual channel config -- So 2 x 2GB SD Card - Full sized SD Card slot for the OS LAN Port - Running at 1Gbe LAN WiFi + Bluetooth - WiFi @ 2.4GHz and Bluetooth at rev 4.0 2 x USB 3.0 - for peripherals/HID 40 PIN GPIO - GPIO header with the exact same pin layout as the Raspbery Pi HDMI Port - for single display connection. USB Type C Port ...

Hello We require an Android app that will upload GPS location to a user specified server IP & port at a user specified time interval alongwith other data. Please see attached document Android 101 VTU The app should stay alive, despite android battery optimization trying to turn it off. The app should turn on and keep on mobile data and location services. App should ensure that latest and updated GPS information is collected from the onboard GPS. In our observation, unless prodded, device GPS continues to report stale GPS co ordinates for certain period of time, before updating. Code should filter out bad erroneous GPS readings, that cause position to jump and shift erratically when the phone is in bad GPS areas e.g. indoors. If you can prevent the android user from turning...

Hi Philipp, Would you be interested in providing me with five Can-Bus shield assembled boards: - LORA32 868/915Mhz Module SX1276 ESP32 with Oled-Display - GPS with external antenna (connector) - GSM/GPRS with external antenna (connector) - SD card to save offline - a toggle button to set the mode to Rx/RxTx on the bus - power from the can-bus (if possible; if not, from battery) - two RGB LEDs (Power and Mode) - form factor set to a reasonable minimum You would provide me 5 working boards and the a test-code to test all functions of the device. The boards will have the development name "EFFORD AG" and the model name "arCan pro" Due date has to be 2023. Knowledge pool: -

I am looking for a freelancer who has good knowledge about BioCapacitor. I need a circuit designed for measuring glucose in the body of humans. The system that I am designing is continuous glucose monitoring system.

...detects a fire and its ability to suppress or extinguish the fire. • Test series 2 - Compartment to be at least 3 m by 4 m and 2.4 m in height. The Fire Knight is to be positioned on the ceiling and in the middle of the compartment. A single door on one of the 3 m walls shall be open fully. In the middle of the compartment floor and at floor height shall be a fully charged Li-ion battery of at least 36V 7.8Ah. This battery shall be ignited, by a procedure to be confirmed, to start a fire. Parameters of interest shall be the time when the Fire Knight detects a  fire and its ability to suppress or extinguish the fire. Analyse the test data to determine the Fire Knights capabilities. This shall be presented in a Fire Safety Evaluation (FSE) report.  To ...

I’m Only In Need Of A Battery Installatuon . I Already Bought A New Battery. Pls Bring 12mm Wrench To Loosen A Nut That I Dont Have The Proper Tool For

I am in need of car battery replacement for my Hyundai Sonata vehicle. I require a lead-acid battery if possible, but I am open to considering other options (lithium-ion battery, AGM battery, etc.). I also require installation services to replace the battery. Any professionals able to provide these services are encouraged to submit bids for the project.

1. Find and Fix Error, and Test Token and Pool Logic Token Transaction Tax is Breaking Pool Withdrawal Logic Coin Token is charging tax but withdrawing the untaxed deposited amount. 2. Change Adjustable Transfer tax range to .01-20% use integer arithmetic and multiplication to avoid floating point precision issues COIN DEPOSITED: 0xC95E194ae8FBad4111bC517576f019F8c0860c42 KEY: 0xB9040a7Bf520F960aF560bd97CC222F503D20950 SocietySwap: 0x8674876D7432368065783c8B7dDd76be5749cD62 Milestone released after successful testing.

Design rectenna with the follwoing spec: Design and development of a 6G/5G antenna. This includes wideband antenna, which covers both t...which covers both the mm-wave (3GHz-24GHz) and sub terahertz (0.1THz-1THz) band, circular polarized, omnidirectional, compact size, high efficiency (>80%) and high gain (>10dB). Design and development of the rectification and matching circuits. This comprises: · Design a rectifier with high power conversion efficiency (>80%) and operate at the high frequencies. · Design a matching circuit between the antenna and rectifier to smooth the power delivery. Given a power density of 5W/m2, we aim to collect this power in order to supply a number of sensors within the range of 75uW to 15mW. The antenna should be c...

Hello! I'm looking for a skilled freelancer to help me with my PCB design project. The complexity of the design is fairly simple, and I'm expecting the PCB to be as small as possible while still capable of accommodating basic components such as resistors, capacitors and the like. This is part of my journey into electronics, good work will result...me with my PCB design project. The complexity of the design is fairly simple, and I'm expecting the PCB to be as small as possible while still capable of accommodating basic components such as resistors, capacitors and the like. This is part of my journey into electronics, good work will result in more projects. If you want to make changes to the circuit discuss before hand. Schematic Source:

Grid, Solar, Battery related matlab simulation

I need a shopify Amazon affiliate website built with products imported. I need you to...Shapewear Beard grooming kits LED lighting for home Portable blenders Car phone holders Bamboo toothbrushes Resistance loop bands Water bottles with infusers Reusable shopping bags Home workout equipment Baby safety products Posture correctors Sunglasses Face masks Natural skincare products Haircare products Backpacking gear Eco-friendly cleaning supplies Smart home devices Jewelry organizers Wireless charging pads Air purifiers Home office furniture Solar-powered gadgets Outdoor camping gear Handmade candles Educational toys Hair straighteners Fitness apparel Grill accessories Power banks Meal prep containers Gardening tools Baby carriers Smartwatches Organic teas Organic baby clothing Digital a...

ESP32S BLE Advertiser Project Scope: - Develop a BLE advertiser using ESP32S module which can advertise a specified string along with current time in EPOCH and the go to sleep for 60 seconds . - The system should be low energy and suitable for battery powered . - Implement Beacon Advertising feature - Use C as programming language for development Requirements: - Experience in developing BLE and RTC applications using ESP32S module - Proficiency in C programming language - Understanding of Beacon Advertising feature in BLE - Knowledge of low power devices and their compatibility with BLE Deliverables: - Fully functional ESP32S BLE advertiser - Code documentation and explanation of implemented features - Test cases and validation of the advertiser with IoT devices Skills and E...

The concept should follow, Brain made up of circuit (AI) that looks like a tree (Sustainability) and the top right part is disconnected (Decentralized)

Need a PCB designed for an H-Bridge circuit (attached) with the following specifications: - Power Rating 150VA - Input circuit/path current 1 amp - Output circuit/path current 1.5 amp Skills and experience required: - PCB design and layout for power electronics circuit carrying 1.2 amp in output path The PCB design should be compact and efficient, capable of handling the specified power rating.

...experience as a Commercial Electrician, with specialized certifications and qualifications established to complete projects properly. I am experienced in all facets of electric work including troubleshooting, wiring, installation, and repair. As a Senior-level Electrician, my qualifications include a high-level of technical knowledge as well as a mastery of professional tools such as multimeters, circuit analyzers, power testers, and generators. I also possess vast experience in dealing with local regulations and codes, making sure that all safety standards are met. My range of expertise also includes the ability to design and implement complex projects related to both new and existing systems. I am confident in my ability to complete any project on time and within budget, and I ...

I am looking to create a race track for my Unity3D project. The race track should be of medium length (1-3 miles). The design should be a circuit track, and I am open to suggestions regarding specific features or elements to incorporate into the design. The track should be appropriate for a medium distance race and provide an exciting experience for the players.

Project Title: RF & Microwave Design Engineers I am seeking RF & Microwave Design Engineers with expertise in Microwave Circuit Design. Project Deadline: More than a month Project Scope: - The project requires the design of RF and Microwave circuits from scratch. - The ideal candidate will have experience in creating RF and Microwave circuits, specifically in the area of Microwave Circuit Design. Required Skills and Experience: - Expertise in Microwave Circuit Design - Strong understanding of RF and Microwave principles - Proficiency in designing RF and Microwave circuits from scratch - Experience in selecting and integrating components for RF and Microwave circuits - Knowledge of simulation and analysis tools for RF and Microwave circuits Note: Existing...

I am looking for a freelancer who can help me with my FRITZING project. The specific goal of this project is to build 5 FRITZING models. I will provide a list of specific components or specifications that need to be included in the projec...FRITZING project. The specific goal of this project is to build 5 FRITZING models. I will provide a list of specific components or specifications that need to be included in the project. I require a high level of detail for the FRITZING models, including comprehensive labeling and explanations. Ideal skills and experience for this job include: - Proficiency in FRITZING software - Knowledge of circuit design and PCB layout - Attention to detail in creating comprehensive models with labels and explanations. I will discuss further details ...

...e-commerce websites with multi-step store functionality - Familiarity with integrating maps and location-based features into websites - Strong design skills to bring my rough idea to life - Ability to provide advice and suggestions based on my specific requirements This store will be for a Solar Installations Company Based in England, where the customer can choose how many panels they want, which battery and which inverter they want, then select their roof from an Ariel view map. There is also some compatibility restraints on kit that can work together. At the check out I want the customer to see the total cost but only pay a £99 deposit, with the rest due to be paid to us after the work is complete and outside of the website. The website also needs to have a customer...

Hi Philipp, Would you be interested in providing me with five Can-Bus shield assembled boards: - LORA32 868/915Mhz Module SX1276 ESP32 with Oled-Display - GPS with external antenna (connector) - GSM/GPRS with external antenna (connector) - SD card to save offline - a toggle button to set the mode to Rx/RxTx on the bus - power from the can-bus (if possible; if not, from battery) - two RGB LEDs (Power and Mode) - form factor set to a reasonable minimum You would provide me 5 working boards and the a test-code to test all functions of the device. The boards will have the development name "EFFORD AG" and the model name "arCan pro" Due date has to be 2023. Knowledge pool: -

I am looking for an experienced CAD draftsperson to create 2D drawings across multiple sites, to include small building outlines, car park layouts and EV charging points. The drawings must be done in either AutoCAD or ideally in Revit. A sketch brief will be provided for each site. We need the drawings to be accurate and professional, and delivered in a prompt manner. If you have the relevant experience and are confident that you can create the 2D CAD drawings as needed, we would love to hear from you.

My project is looking for someone experienced in circuit design. Specifically, I'm interested in an Analog/Digital/Mixed design for a Ro smps 24volt 2.75ampere application. No specific requirements have been determined for the circuit design, however, I do have certain preferences I would like included. The intended application of the circuit design will be for consumer electronics. I'm looking for a creative freelancer who can help bring my circuit to life!

The design is for Evie Networks: To be included: Main headline: Fast charging powered by 100% renewable energy wherever you work, shop and play. Subheading: Australia's largest and fastest charging network with over 140 charging locations nationally. Also to be included is the Evie Bird and/or logo. I am looking for a talented graphic designer who can create a large, modern graphic for our upcoming exhibition. The purpose of the graphic is to enhance our branding and create a visually impactful display. The ideal candidate will have experience in creating modern graphics and will be able to incorporate our branding elements seamlessly. Skills and experience needed: - Strong graphic design skills with a keen eye for modern aesthetics - Proficiency in design sof...