Battery charger vcd circuit schematic diagram electronicpráce
Tvorba části našeho systému, která bude sloužit k tvorbě a editaci workflow - oběhu dokumentů. Nástroj v současné době existuje v podobě exe programu pro Windows, chceme jej přepsat do webové podoby. Jde o to, že v prostředí webu nakreslím vývojový diagram, každému prvku vývojového diagramu přidělím nějaké atributy. Výsledný graf předám ve formě JSON na server, který si jej uloží v databázi (serverová část není součástí zadání), zadání je pouze na tvorbu webového interface. - stavět se bude pravděpodobně na hotové knihovně pro tyto účely GoJS - -...
...wants t start running. Logo shoud contain: - logotype hand written style: "jdu běhat" (it means in czech: I go to run) - and in smaller letters the subtitle: "běžecké kurzy pro ženy" (it means: running courses for women) - logo - pictogram with woman's running shoes Logo should be: simply, modern, hipster, cool, likable, for women. Logo is being used on the website, Facebook and other electronic communication, textile print - t-shirts and other. Logo should be all in one color. Please show your logo on white and black background - see the old logo attached....
...with Suppliers to ensure OTD and compliance with our quality requirements. Our focus is on the Medical industry and experience with cable assemblies and electronic component sourcing is required. Specific Requirements: - Find suitable suppliers for Medical assemblies: 13485 certified and with FDA 510K certs - Getting quotes and managing suppliers in Asia Pacific and in the USA - sourcing and negotiating costs for materials for cable assemblies (wire, connector, etc.) - Strong knowledge of cable assemblies and electronic assemblies: The ideal candidate should have a deep understanding of different types of cable assemblies and electronic assemblies, including their specifications and functionalities. - Experience in procurement and supplier management: The...
English: I am seeking an electronics expert to develop a custom Printed Circuit Board (PCB) for a DC-DC Step-Up Boost converter with the following specifications: Input Voltage: 20 to 30V Output Voltage: Adjustable from 35 to 52V Current: Support up to 8A Specific Requirements: Maximum Voltage Adjustment: The board must include a method for adjusting the maximum output voltage limit. Current Limit Adjustment: Implementation of a system for adjusting the current limit through a 0 to 3.3V input signal, where 3.3V corresponds to the maximum limit of 8A. Shunt Resistor and OPAMP: Incorporation of a shunt resistor with OPAMP, including potentiometers for fine calibration. On/Off Function: The board should allow the option to switch between input voltage (off) and amplified output volta...
...with expertise in creating basic circuit boards to help with the development of a new product. We will have 15 led lights that can illuminate normally or flash. They will light in different sequences. Ie Light 1 flashes and light 5 lights. Then say light 3 illuminates and light 3 flashes etc. The idea is to have an app made to manage / send the info for the sequences, I need someone to create the circuit board with the lights so that we can connect to a mobile app. Key aspects of the project include: • The creation of a circuit board design that supports integrated circuits • The product is in its developmental stage, requiring your input and creativity Ideal skills and experiences: • Demonstrated experience in designing and developing basic ...
...small-sized custom Printed Circuit Board (PCB) with integrated ESP32 and DRV8833 motor control drivers and 18650 rechargeable bttery. - PCB Size: The PCB should be small-sized, built with quality and precision, and space-efficient. - Motor Control: It needs to control a DC Motor using DRV8833 motor driver, ensuring optimal performance and minimal signal interference. - Voltage Range: The PCB should be designed to handle an input voltage of 5V, ensuring it's safe and efficient. - Battery: The design should incorporate a rechargeable battery without compromising the compact size. The ideal candidate should have proficient skills and experience in PCB design, electrical engineering, and ESP32 integration. Knowledge of motor drivers and familiarity with power-ef...
I am seeking a talented electronics engineer to construct a vintage-style Teletronix LA2A compressor. You must have proven experience in audio tube/ valve builds. Not solid state or pci required. - The project's purpose is to recreate the iconic sound of the vintage Teletronix LA2A. - I possess a specific design schematic which must be conscientiously followed. - Fidelity to the original design is paramount, thus requiring a step-by-step exact reproduction. - Ideal candidates will have proficiency in electronics, with keen attention to detail. Proven experience and portfolio. Best based in uk or USA as the components I have are rare as hens teeth and I will not let them go to Asia, far east or outside of known countries. Enjoy the challenge of accurate replication whilst br...
I'm seeking a diligent electronics expert proficient in Python, with experience in microcontroller, sensor usage, Arduino, PCB design, and RS485. Your responsibility will entail: - Developing STM32 based prototyp...periodic data collection functions. - Be proficient in vibration analysis, freq, Spectrum, FFT etc. (Research and guides provided) - Provide PCB design files for final production, once prototype have been approved Your experience designing and prototyping professional-grade electronic circuits will be vital to the successful execution of this project. A firm grasp of RS485 standard for data communication and thorough understanding of preferable data transmission and collection methods are essential. Function diagram, database deisgn, more detailed descript...
...not only aesthetically pleasing but also practical and user-friendly. - Experience in industrial design, with a primary focus on electronics, is crucial. - Familiarity with engineering considerations for electronic home appliances is a significant advantage. Ideal Skills: - Strong portfolio showcasing previous electronics design is desirable. - Proficient in using industry standard software for Product Design creation. - Great communication skills for understanding specifications and providing updates. - Thorough understanding of manufacturing processes and materials suitable for electronic appliances. - Proven creative problem-solving skills to address design challenges. In your bid, please include examples of past home appliance projects. Looking forward to collabora...
...client services, we have streamlined our processes to offer comprehensive account management for hosts. As a Customer Support Specialist, you will play a pivotal role in ensuring the smooth functioning of our clients' properties. This role requires individuals with exceptional attention to detail, a collegiate background, proficiency in basic software tools, and the ability to utilize electronic devices effectively. Responsibilities: -Review and rectify any inaccuracies in client property information. -Ensure all property details are up to date and accurately represented on the platform. -Post and advertise client properties on Booking.com. -Utilize our partner marketplace or mobile application to facilitate listings effectively. -Regularly update property calendars to
I am looking for an expert in PCB design to help in the development of an industrial equipment. This project involves: - Electronic product development: You'll be using your expertise in PCB design to develop an electronic component of an industrial equipment. - Level of complexity: I require a multi-layered PCB design for this project, hence the need for someone with the dexterity in managing such complexity. Ideal Skills: - Significant experience in electronic product development - Proficiency in multi-layered PCB design - Background in designing for industrial equipment is a plus.
I am in need of English- speaking and seasoned Raspberry Pi (or similar hardware) developer somewhat experienced in Optical Character Recognition apps. This project encompasses...pi or similar platform), module with minimum 4 high speed outputs to drive 4 high speed valves in printhead (programming required) and will need at least 3 additional inputs and 3 additional inputs - printhead - NIR camera (Either USB or HDMI) - Display or touch screen (programming required) - Hardware capable of wireless and wired communications with other devices See attached System Hardware Diagram for the FULL LONG TERM scope of project. The INITIAL project is (1) Develop functioning printer (2) Develop Camera- based print decoder. These will require the functioning monitor/ touchscreen OR other user ...
Looking for a skilled music producer to create a fast-paced electronic countdown music for a video project. The ideal candidate should have experience in creating electronic music and be able to deliver a high-quality track that matches the desired tempo and genre. The countdown music should be more than 3 minutes in length to fit the video's requirements.
I'm looking for an experienced freelancer to set up a Shopify store geared towards selling Electronics, specifically targeted at Young Adults (18-24). The task includes taking into account the trendiest electronic product selections, visuals that will appeal to this age group, and an intuitive user interface. Key Requirements - Shopify design & setup experience - Strong understanding of trending electronics and the young adult market - Graphic and UX design skills Required Features - Incorporation of a product reviews system for each item, encouraging consumers to share their experiences. This will not just be about setting up a store, it's about creating an engaging shopping environment for the youth market. Provide samples of Shopify stores you've designed...
My established platform uses both Azure Active Directory (AD) and Azure Virtual Machines (VMs). I've previously conducted a security audit, which brought to light areas for enhancement in user access management, d...management, data encryption, and network security protocols on Azure - Skill in detecting potential security gaps and proposing robust solutions - Proven track record in successfully completing similar projects Looking to ID the following with one on one initiate discussions: ID and Access Management Active Directory Review Privileged Account Review Network Security Provide Network Configuration Map/Diagram Review Proper Segmentation, Ports and Firewall Inbound/Outbound Rules Azure Security Logging Secret Management Azure Key Vault Review Redundancy Plan Backup V...
I am seeking a highly skilled professional to help me build a novel hardware prototype. I will need schematic drawings as well as the prototype in order to apply for a patent. The main purpose of our design is to effectively demonstrate the concept of our product and secure a patent. Key Deliverables: - Design a prototype that showcases the user interface design - Clearly demonstrate the core features of the application - Exhibit optimal usability and user experience This project requires proficiency in understanding hardware design, user interface, and usability as well as how to put together the schematic drawings. Experience with patents is a plus. The ideal candidate should be comfortable with creating hardware that communicates a novel concept. Please note, t...
I'm looking for a competent professional who can transform images of electrical design into high-quality electrical schematics, block diagrams, and electrical system overviews. This will involve multiple pages of work, which should be properly labeled. • Software: Proficiency in AutoCAD Electrical is a must, as this is my preferred software for the production of the diagrams. • Bill of Materials (BOM): A basic component listing level of detail on the BOM would be sufficient for my requirements. • Compliance: It's crucial to note that the designs should be detailed and not bound by a specific electrical standard. If you have a firm grasp on producing accurately detailed electrical drawings, then this job may be for you. Bring your experience and skills to the t...
I'm seeking an expert electronics engineer to design a circuit for an Arduino-based, battery-powered hand warmer device. This design must incorporate intelligent functionality for temperature and run-time control. Key requirements are: * The device should warm up to 42°C and maintain this for one minute. After that, it should shut down and take a break for an hour (this cycle to repeat continuously). * The unit must have a maximum temperature limit of 45°C. * There should be a 0.96 inch OLED screen displaying temperature and time status. * The design should include push button control to start the skin warming and once the push bottom pressed again the program should quit off the warming cycle . * Using Normally closed temperature switch 45 deg. as safety feat...
...drawings of our exterior panel system: - Significant experience in BIM. - High proficiency with Revit / CAD compatibility software. - Ability to use families / groups for different building elements. - Ability to interpret installation instructions and incorporate into the SW - No physical 3D modeling skills needed but ability to show the various construction elements being added as a installation diagram/video - Previous experience with exterior construction drawings is a big plus. The ideal candidate would be able to meticulously review current drawings to identify any discrepancies or adjustments needed and seamlessly incorporate changes into an updated version of these exterior installation construction drawings. Please include in your proposal relevant examples of past pr...
I need an expert in ecommerce and digital marketing for my dropshipping business predominantly dealing with electronic products. An adept understanding and hands-on experience with Shopify is indispensable for this role. Key responsibilities include: - Implementing strategies to increase sales via a powerful digital marketing campaign - Managing all aspects of the Shopify platform - Assisting with product listings and descriptions - Ensuring the best customer experience possible The ideal candidate should have proven experience in digital marketing, specifically sales increment strategy, as well as an in-depth knowledge of Shopify. The candidate should also display a sound understanding of the electronics market. Your proposals should show evidence of prior successful campaigns t...
Project Overview: Briefly describe your air mouse concept, its functionalities (3-axis motion control, Bluetooth connectivity for PC), and target platforms (Windows and Mac). Hardware Specifications: Specify the desired functionalities: 3-axis accelerometer for motion detection Bluetooth Low Energy (BLE) for wireless connection Battery type (consider rechargeable Lithium-ion battery for extended use) Button layout (left click, right click, scroll wheel, etc.) Housing material and size requirements Software Development: Outline the basic functionalities for cursor control on PC (Windows and Mac compatibility is a complex task, be prepared to discuss options with the freelancer). Mention any additional features you envision (e.g., programmable buttons, power management). Delive...
I'm looking for an experienced full stack developer, particularly strong on the front-end, to create a web-based platform that simulates lab experiments focusing on Electronic Devices. Key Features: - Simulation of lab experiments specifically in the sector of circuit design and analysis. - Quiz section for each experiment Experience and Skills Required: - Extensive experience with Front-End development - Proven track record in creating interactive simulation applications The goal of this project is the realistic simulation of lab experiments conducive to a virtual learning environment. Relevant experience is essential. Please provide details of similar projects completed. Looking forward to collaborating!
As an electronics enthusiast, I'm seeking a proficient LC Spice user who can conduct comprehensive analog circuit simulations. The attributes of an ideal candidate are: - Proficient in LC Spice for circuit simulation. - Understands analog circuits and how to effectively simulate them. - Capability to perform frequency analysis, transient analysis, and AC/DC sweep in the simulation. Your aptitude in these skills and tasks will contribute significantly to the success of this project. Familiarity with electronic component analysis and voltage/current measurements is a huge plus. I look forward to working with a professional who shares my passion for electronics.
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I require an illustrated flowchart that effectively communicates how solar power works. With intermediate detailing, the diagram should include the various components involved in a solar power system and how they interplay to harness and distribute solar energy. A seasoned graphic designer with a solid grasp of the mechanics of solar power, especially one who has a knack for creating engaging, easy-to-follow flowcharts, would make for the ideal candidate. The ultimate goal here is to make the complexity of solar power understandable and engaging to the layman.
My needs are to have a seamless app that supports bookings for my convention hall. I'm looking for an expert in multi-platform app development who also has a grasp on these key features: - Booking Management: Users can create ...features: - Booking Management: Users can create bookings, edit certain fields in a booking and view list of upcoming bookings in the hall. - Expense Management: Users can add expenses and view the list of expenses. - Profit & Loss Page: This page displays the Profit/ Loss by taking the income data from the booking page inputs and expense details from expense page. Diagram explaining the same is added in the attachments. I'm looking for a candidate who is well versed in multi-platform app develop...
...tracking, call and SMS monitoring, internet activity tracking, etc. Ensure the security and privacy of user data by implementing robust encryption methods and secure data storage practices. Conduct thorough testing to identify and fix bugs, performance issues, and compatibility problems across various Android devices and OS versions. Optimize the application for performance, responsiveness, and battery efficiency. Stay updated with the latest Android development trends, tools, and technologies to incorporate them into the project. Provide documentation and technical support as needed throughout the project lifecycle. Requirements: Proven experience as an Android developer with a portfolio of successful mobile applications. Proficiency in Java and/or Kotlin programming languages....
i need somebody to help me to extend the battery of my solar cctv, when the cctv have more than fifth percent battery, it can film from time to time.
i just need a small circuit board design for my esp32 to sit in, and some pads for soldering wires. See diagram.
I'm seeking an expert in ESP32, someone who has successfully designed and constructed a data-collecting PCB. This device will incorporate 4-5 sensors, such as temperature and humidity sensors etc. The main aim of these sensors is to gather relevant data for later analysis. A reliable power source is essential for this device, necessitating the use of a battery to ensure continuous functionality. In the event of a power interruption, the device should be capable of entering a deep sleep mode after successfully transmitting data. Key points regarding the project are as follows: The project must be completed within 15 days. The device needs to transmit compiled sensor data at specific intervals. The ideal freelancer for this task should be proficient in ESP32, PCB development...
We're excited to embark on crafting an Electronic Press Kit (EPK) aimed at encapsulating the essence of the artist's artistry and career journey. This EPK will serve as a dynamic tool to introduce the artist to media outlets, venues, industry professionals, and fans alike, showcasing their unique sound, communicating their artistic vision, highlighting achievements and milestones, and engaging with audiences on a deeper level. Through a compelling blend of multimedia elements, storytelling, and strategic branding, we're dedicated to crafting an EPK that not only captures the artist's musical prowess and stage charisma but also paves the way for exciting opportunities and success in the music industry.
As a personal project, I am seeking for a Analysis of 4E (Energy, Exergy, Economic, and Environmental) for hydrogen production via Conventional Gasification method. Initially, this system is modeled in Aspen Plus software, and then the desired outputs are analyzed using 4E analysis in the computational software EES. The schematic cycle is attached. The ideal candidate for this project would have experience in chemical engineering or Mechanical engineering, particularly with hydrogen production and its processes. Using Aspen Plus and EES for analysis is also required. Potential freelancers should be detail-oriented, thorough, and able to deliver high-level analysis.
I'm in need of a marketing-savvy freelancer to help me...ebikes. These premium, Harley-style bikes are a perfect choice for: - Commuters looking to save on gas and avoid traffic - Outdoor enthusiasts - Elderly individuals wanting to enjoy a leisurely ride - Males aged 16-55 While the primary purpose of these ebikes is commuting, they are versatile and equally well-suited for leisurely and recreational rides as well. Key Selling Points: - Exceptional battery life - Harley-style design I'm looking for someone with experience in online sales, and a strong ability to target and engage potential customers. Skill in advertising strategy, online marketing and knowledge or interest in biking will be a strong advantage. Bring your expertise to this project and help me get these...
I need a qualified production designer with a knack for innovative solutions to help me materialize my idea of an electronic locker lock. - Lock Mechanism: The locker should feature a keypad lock mechanism. This means the only way to open this locker will be by entering the correct code. - Material: The entire structure of the lock should be crafted from metal. Durability is just as important as functionality in this project. - Handy Feature: Upon successful code entry, a handle should slide out from the lock's module. This will aid in pulling the locker open. Once the locker shuts, this handle should seamlessly retract back into the module. - Security Level: The lock doesn't need to be impregnable, just secure enough to resist standard break-in attempts. I believe in...
I need an expert in ecommerce and digital marketing for my dropshipping business predominantly dealing with electronic products. An adept understanding and hands-on experience with Shopify is indispensable for this role. Key responsibilities include: - Implementing strategies to increase sales via a powerful digital marketing campaign - Managing all aspects of the Shopify platform - Assisting with product listings and descriptions - Ensuring the best customer experience possible The ideal candidate should have proven experience in digital marketing, specifically sales increment strategy, as well as an in-depth knowledge of Shopify. The candidate should also display a sound understanding of the electronics market. Your proposals should show evidence of prior successful campaigns t...
...false Software solutions / Software for the mining industry false Software solutions / giLOC GPS / GNSS Localization Software false Surveying equipment false Surveying equipment / 3D Laser Scanners false Surveying equipment / Controllers / Data collectors false Surveying equipment / Digital and optical Levels false Surveying equipment / Eho sonder's - Bathymetry false Surveying equipment / Electronic distance meters (Distos) false Surveying equipment / GPS / GNSS (Survey grade) false Surveying equipment / Ground penetrating radars (underground scanners) false Surveying equipment / LiDAR and Aerial Photogrammetry Sensors false Surveying equipment / Monitoring sensors and Inspection equipment false Surveying equipment / Theodolites false Surveying equipment / Tota...
I am seeking an expert PCB designer experienced in EasyEDA for a prototyping project. Since the specific components haven't yet been decided, your expertise in prototyping and experience in working with a range of electronic components will be essential. The project timeline is flexible, and thoroughness and quality are more important than speed. Ideal Skills for this Job: - Familiarity with EasyEDA for PCB Design - Proficient in creating prototypes - Knowledgeable about a range of electronic components (Microcontrollers, Operational Amplifiers, RF Modules, etc.). - Excellent communication skills to provide updates and ask clarification questions
My project requires a proficient individual to create a PCB design using Altium Designer. The task specifically details: - Crafting a moderate complexity circuit, encapsulating 10 to 50 components. - The construction of a double-sided PCB. The ideal candidate should possess: - Proficiency in Altium Designer. - Previous experience with designing circuits of moderate complexity. - Relevant experience in creating double-sided PCBs. Please provide samples of previous works if possible. This will be a great opportunity for those with the right skill set. Looking forward to your responses.
I'm seeking a proficient electronics engineer to design a PCB board for a control system project. The PCB board needs to integrate key components: - A GPS Module - An ESP32 Microcontroller , Internet-POE ESP32 project is actually started, we already have the autium files with dimmension, but is full of mistakes. As an experienced professional in circuit design and prototyping, you will be tasked with ensuring these components are integrated seamlessly. Particularly, extensive knowledge in microcontrollers and GPS modules is essential for this project. The ultimate goal is a reliable and efficient PCB board for our control system.
Design a weatherproof sheet metal enclosure for a solar power system, to house the solar panel, and space for small electronics enclosure and lithium battery system. Design must be simple to manufacture and keep water away from the electronics and battery. The design should be visually appealing, concealing all wiring and electronics under the solar panel itself. The design must incorporate a sleeve to mount the enclosure onto a 90mm diameter steel pole and places to mount 2 antennas on top of the enclosure. Specific requirements: - The dimensions of the solar panel are 770mm x 670mm x 35mm. - Enclosure must have an access panel to remove the battery and electronics enclosure inside. - Electronics enclosure is approx 200mm x 100mm x 60mm - Must have anti-bird spike...
...marine surface. Experience with GPS technology is vital. - Anchor hold: Once the desired location is set on the GPS, it should hold the boat in that position. - Compatibility: Flexibility to integrate with any electrical trolling motor ensures this device caters to a wide range of sea faring vessels. Range: The product should have a decent tracking range, sufficient for typical boat outings. Battery life: - The electronics kit should run up to 5 hours, long enough for a good day of fishing or sailing. Expertise in power management for devices in a marine environment would be advantageous. The project's first phase is technology discovery, hence experience in electronics, GPS technology, and marine applications will be essential. Comprehensive knowledge about electrical ...
Just design a single bulb led circuit board/driver/ module. Plugged into a 12volts motor vehicle USB port.
I'm in need of a custom 3D-printed case for a small, handheld electronic device. It's crucial that the case be more than just a protective shell - it has to incorporate specific features. Here's what I'm looking for: - Design that facilitates the device's functionality: There need to be openings for ports and buttons. - Precision: The case must snugly fit the dimensions of the device for optimal protection and appearance. - Aesthetics: Although function reigns supreme, I'll value designs that keep aesthetics in mind. The ideal freelancer for this project should have: - Proven 3D printing expertise. - Experience with electronic device case design. - A knack for precision and details. - A sense of aesthetics to blend functionality with looks.
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I'm in the process of integrating a temperature sensor into a PCB circuit. Accomplishing this task requires in-depth knowledge and experience in programming in C++, Python, and Assembly language, as well as a deep understanding of both circuit design and sensor integration. Key requirements: - Proven experience in PCB circuit design, more specifically with sensor integration. - Proficiency in programming languages such as C++, Python, and Assembly language. - Detailed knowledge of temperature sensors and how to integrate them successfully into a PCB circuit. Your task would be to design a PCB circuit that integrates a temperature sensor while meeting the project requirements and timeframes. Interested specialists should demonstrate their history ...
...efficient modules for industrial environments. I'm working with an EC200U 4G module that runs on 3.8VDC, along with other peripherals that require 3.3V. The input power for the system lies in the range of 12-18 VDC. The power management circuit designed should: - Regulate Voltage: Ensure the voltage received by the EC200U module and peripherals is maintained precisely at their required levels. - Provide Battery Backup: Ensuring constant supply of power to the 4G module even when the main power source is unavailable. When main power is available, the battery should be charged and system is power from main power. Suitable candidates should have prior experience working with power electronics design, and specifically with industrial settings. Understanding th...
I am in need of an expert in PCB reverse engineering, with a primary focus on the component identification. For this project, I possess a physical circuit board, however, I'm unaware of what components have been used in it. The main goal is to identify these elements and their interconnections. Skills & Experience: - Profound knowledge in PCB circuitry and components - Experience in reverse engineering projects - Capability to work with physical PCB boards - Strong attention to detail in identifying unknown components Deliverables: - A detailed list and diagram of identified components and connections on the PCB.
...who can design a small circuit board (less than 2 inches). The board must utilize the Bluetooth audio master module I've sourced and support some basic Bluetooth pairing functions. Key Features: - Audio playback (via bluetooth module feasycom BT955) - Power management with 3.3V or applicable rechargeable battery and USB-C charging functionality - Button to scan for local Bluetooth devices - LCD display showing a list of devices - Buttons that give the ability to select a device from the display/list for pairing and pair to it - Button to reset the module/pairing - The bluetooth module will be set to HFP mode and support in/out audio from bluetooth headphones back to a wired in/out connection on the board. The professional I'm seeking ideally has experience with...
I'm in search of an expert in electrical engineering to create a unique circuit for timing a workout routine. The designed circuit should be capable of timing cardio exercises and strength training intervals for a seamless exercise regime. Key requirements are: - It should provide a signal for 1 minute of green light functioning as "exercise on", and 30 seconds red light acting as "exercise off". - This signals should be repeated cyclically until manually stopped. Ideal freelancers should have experience with circuit design, timing mechanisms, and they should have an understanding of fitness equipment or similar projects. This project offers an exciting opportunity to adapt traffic light technology for fitness purpose. If you're look...