Pure sine wave inverter circuit diagram pcb jobs

I'm in need of an electronic circuit and PCB designer proficient in working with ESP32 based microcontrollers, particularly for IoT applications. The project involves creating an efficient, compact, and robust PCB design that supports Wi-Fi connectivity. Key Requirements: - Proficiency in ESP32 based microcontroller design - Prior experience with IoT applications - Familiarity with designing for low power consumption - Expertise in creating compact PCB layouts - Ability to design a PCB for a rugged environment Your expertise in these areas is crucial, as the final product should be both functional and durable. If you're confident in your ability to deliver a high-quality electronic circuit and PCB design for an ESP32 based micr...

Develop schematics, PCB and firmware for a compact NFC reader. The suggested RFID controller is PN7160. Microcontroller - STM32 0) Two boards - antenna and the main board. The antenna diameter is 15mm with a hole in the center 4-5mm. The main board is 14mm in width and length is 35mm or less. 1) The reader must read and write password-protected memory blocks in Mifare Classic cards. 2) The reader keeps the password for the RFID cards as a hard-coded constant. 3) The reader has an 4-byte reader ID stored in its EEPROM memory. 4) The RGB LED on the edge of the main board, whose location matches the hole in the antenna. RGB LEDs are connected to the PWM pins of the controller. 5) A waterproof (if possible) speaker must be on the opposite edge of the main board, closer to one side to l...

I'm in need of an experienced Analog Circuit Designer to assist with the conceptual design and simulation of a prototype. - The purpose of this project is to develop a prototype, not for research or educational purposes. - I'm currently in the initial stage of prototype development, so we're focusing on conceptual design. - The major components of the analog circuit I need assistance with are transistors and timers. - I have a preliminary reference circuit whose functionality to be replicated with equivalent circuit. Ideal candidates should: - Have prior experience in analog circuit design for prototype development. - Be proficient in using simulation tools. - Have a solid understanding of transistors and timers. - Possess strong problem-...

Develop an interactive website: 1) clean structure and fast loading (who, what, how, process, product cat.) 2) data management (input and format conversion to pdf format) 3) automatic language conversion based on geographic location 4) ai chat messenger 5) Interactive design a) slider banners b) animated (wave length or video background) 6) integrate stripe gateway. All information is ready, details will be provided once confirmed and website must be finalized/deployed within June 5. Thank you!

I'm looking for a graphic designer to create a modern logo for our amateur choir. The logo should creatively incorporate the name "Sine Nomine Singers" We would also like a version which specified the location of the choir "Sine Nomine Singers, Bickley" The logo should be suitable for our website, for posters which advertise our concerts and for a letterhead. It should be provided in a scalable format (svg perhaps). We anticipate it being monochrome, but would consider coloured alternatives. I have attached the logo we are currently using (which I made myself); yours could be similar or different to this. The choir sings classical music from the renaissance to the modern day. This project will require initial proof-of-concepts, revisions after...

I'm looking for an expert in PCB design and fabrication to create a custom controller for my shop. The primary objective of this task is automating some key processes, with a special emphasis on security. Below are the specifications for the PCB controller: • Automation of the security system: This project requires designing a custom PCB controller which will integrate with various elements of the security system for automation. • Incorporation of alarm systems: The controller should easily synchronize with alarm systems, enabling automated responses in case of triggered alerts. • Seamless integration with access control systems: I wish to automate the access system in my shop, hence the PCB controller must be compatible with modern digit...

... This requires high-level knowledge of electronics, particularly on how to integrate circuits and make them work seamlessly. Ideal Skills and Experiences: - Expertise in Electronics Engineering: A deep knowledge of electronics is essential for this role. You should have experience working on similar projects and be able to demonstrate a strong understanding of electronic design principles. - Circuit Design Skills: Experience in designing complex circuits is a plus. You should be able to handle the intricacies that come with designing the electronic components of this project. - Prototype Development: While the project is in the design phase, experience with prototype development would be beneficial. This will help us to ensure that the designs are feasible and functioning correc...

I'm in need of an expert in digital electronics to assist in a project of mine. The specifics of the project, including whether it involves circuit design, PCB layout, or microcontroller programming, we can discuss in further detail. Key requirements: - Proficient with digital electronics and related technologies - Experience with either circuit design, PCB layout, or microcontroller programming - Ability to collaborate effectively and share project files as needed Your role will be instrumental in the success of this project, and I am looking for someone with a proven track record in this field. Let's connect and discuss the project further.

Fix issue with enclouser Extend the pcb by 20mm

I'm looking for a skilled Matlab expert who has a thorough understandi...is crucial. - Timing and Synchronization: A meticulous understanding of the coordination of signals over time. - Antennas: A good handle on the properties, function, and deployment of antennas. - Propagation and Noise: Ability to assess signal movements and noise interference. Ideal Candidate: - Proficient in Matlab and its functionalities - Experience in Telecommunications, Satellite, and Sound Wave communication systems - Should have worked on signal processing, modulation, demodulation, and synchronization - Familiarity with various antennas and their applications - Understanding of signal propagation and noise analysis Please include in your proposal examples of past projects related to the above tas...

I am in need of an experienced electrical engineer to assist with spec'ing an electrical system. The system design. -I am needing to control a Nema17 stepper motor and 300watt B...the system. Refer to addition info regarding the sizing, or have a discussion with me on possibilities. -Additional peripheral components: 3 x Push Button, 1 x power switch, 1 x small display screen. 2 x Limit switches. What I need done. I need a freelancer to design and spec the unspecified components around the ones that are already spec'd. You will need to spec the PSU, and design the PCB board for the micro controller and for the peripherals required. I will buy all the componentry based on your specification and do the programming myself using arduinos firmware. Electrical Sche...

I need to provide Amazon assessment team with a detailed network diagram flowchart. I'm seeking an experienced network architect to help me create a detailed network architecture diagram flowchart that encompasses. 1) Network firewalls or access lists that limit networks that can connect to networks and zones which host client data 2) Restricted zones or subnets to isolate zones which handle client data 3) A specific "allow" list of clients that may connect to subnets hosting customer data (host to host ACLs) 4) restrict network interfaces on servers or workstations (Which process client data) from being connecting to more than one network at any time 5) encryption as well as data minimization when transferring data between tiers Key Requirements: - Incorpor...

I'm seeking to upgrade my existing 6.2 kW solar system. I need assistance with redesigning the system by adding four new panels. Additionally, I require the completion of the one-line diagram and approval from both a structural engineer and an electrical engineer.

I'm in need of a skilled electronic circuit and hardware engineer to help me with the design and selection of components for a project. The project involves the creation of a power supply, an analog digital converter, and a relay. Key Responsibilities: - Circuit design: I need help with creating the circuit for the mentioned components. This includes ensuring the circuit is efficient and functions as intended. - Component selection: I'll require assistance in selecting the right components for the circuit. It's crucial to choose components that are of high quality and fit the project's requirements. The ideal candidate for this job should have a solid background in electronic engineering, particularly in circuit design and co...

I'm seeking experienced UML and OCL modelers to conceptualize my full system information and transcribe the model for the USE (.use) tool. Key tasks include: - Conceptualize the entire system model using UML and OCL - Transcribe the model for USE tool - Create necessary UML diagrams: Class Diagram, Use Case Diagram, Sequence Diagram Ideal skills would include expertise in UML, OCL, and system modeling. Familiarity with the USE tool is essential.

...talented designer to create a visually stunning, engaging, and informative page that highlights our distinctive vanilla cultivation and preparation process. The page should take viewers on an immersive journey through our vanilla's lifecycle, from the lush fields of Maroantsetra, Madagascar to the final crafting of our premium product. The designer should use the attached infographic, process flow diagram, and vanilla cut styling guide as visual references to creat our own infographic ou design steps shaping the page's content and design. These resources provide comprehensive details on our process, including key steps, techniques, timing, and quality control measures. Project Goal: The ultimate goal is to create a page that educates consumers on what makes our vanill...

I have a digital circuit design in PDF format that I need converted into a Proteus Professional circuit diagram. This project only involves the conversion of the existing design into a circuit diagram within Proteus; no simulation or testing is required. Key Requirements: - Convert an existing digital circuit design in PDF format into a Proteus Professional circuit diagram. - Ensure that the circuit diagram accurately represents the original design. Ideal Freelancer: - Experienced with Proteus Professional software. - Proficient in digital circuit design. - Capable of accurately translating circuit design from PDF format to Proteus.

...am seeking an experienced LT Spice expert to assist with the design and simulation of a half-bridge circuit to drive an ultrasonic cleaner load, 60W, 39kHz, and 10R impedance. I have an LT spice model that needs to be updated to meet the requirement. The floating side needs to show a square wave and the output to the load needs to be a sinewave. The main requirement is to update the values of the discrete component and use a much better MOSFET to meet the required output of 600V AC, 0.5A, 39kHz Responsibilities: - Improve the LT Spice model for the half-bridge circuit (no rectifier needed), Output is AC and not DC - Conduct detailed simulations to analyze performance - Optimize circuit design based on simulation results The MOSFET part number is SIHP24...

I am looking for a professional photographer/graphic designer to create engaging and high-quality product images for my Amazon listing. I require the following: - Product Images: - Pure white background. - Infographic Images: - Focus on high-quality material. Ideal candidates should have experience with product photography and infographic design, particularly for e-commerce platforms like Amazon. Kindly share your portfolio in your bid.

...skilled professional who can help me with the following: - PCB Prototyping: I require assistance with the creation of the PCB for this new product. This includes the manufacturing of the board itself. - Creation of Test Plans: I need an expert who can help me create comprehensive test plans for this new product. This includes both hardware and software testing. Experience in creating test plans for electronics, would be highly beneficial. - Final Testing & Validation: Once the PCBs are produced and the test plans are in place, I would need a professional who can assist me in the final testing and validation of this new product. This includes making sure it meets the necessary standards for industrial use. Ideal Skills & Experience: - PCB design and man...

...an ER diagram, relational schema, database dump, SQL files, and queries for a library database system. Requirements: - ER Diagram: An ER diagram is required with rationalities similar to the example provided in this link: - Relational Schema: Develop a relational schema that effectively models the database. - Database Dump: Provide a database dump for the system. - SQL Files and Queries: The project should include a set of SQL files and queries that effectively interact with the database. - Managerial Queries: Develop a minimum of 20 managerial queries that will be used to analyze and manage the library database. Deadline: This project must be completed by Monday. Ideal Skills: - Proficiency in database design and SQL - Experience with ER diagram creati...

I have a couple of circuit diagrams that I need to have redrawn in Word format.

I'm in need of a logo for my life coaching business. The name of the business is Puget Sound Life Coaching & Consulting, LLC. I want it to be elegant and sophisticated, with a primary focus on the colors green and blue. The logo will be used primarily online. I would like it to have a graphic that has an ocean, a wave, or something to do with water.

I'm in need of a Verilog expert proficient with Quartus Prime Toolchain. Key Requirements: - Professional with Verilog: Need someone experienced in designing digital circuits and implementing specific functionalities using Verilog. - Proficiency with Quartus Prime: Familiarity with the Quartus Prime Toolchain is a must. I need to design, simulate, implement and test a digital circuit using the Quartus Prime toolchain as per the specifications I will provide and demonstrate the workflow when using the Verilog HDL to construct a design for a physical Field Programmable Gate Array (FPGA) target. Please apply if you have the required expertise. No teams or companies please.

I'm in need of a skilled circuit board designer that can create the and design the Greber file for me, I need to send the files to the manufacturing compony. My project contains few components only. SAM D11C 14-pin chip, 3 LEDS, Battery holder, and a reset switch. The "j2" pads are for programming the chip, Gnd, power, and clock. The 2 antennas traces are connected to analog pins A2 and A4. LEDs are connected to digital pins 24,25,31. the reset button to RST pin of course. For the 4 programming pads. Gnd and Power goes to Gnd and VDD pins in the chip, For the clock, I'm not shire which pins. layout size : 10 cm by 5.398 cm

...for an experienced PCB designer who's proficient with Altium Designer. The project specifically involves a multilayer PCB design. A strong attention to detail and a good understanding of circuit board layout is crucial for this project. Key Requirements: - Proficiency in Altium Designer - Experience with multilayer PCB design with large PCB Boards - Ability to understand and implement complex circuit board layouts - Attention to detail Please provide examples of your previous PCB design work using Altium. A portfolio demonstrating your experience in multilayer PCB design will be highly regarded. This is an LED board which needs layout editing with adding few more components. Please Show your previous work with dense Layout w...

I'm in need of a PCB layout for a small electronic product. Here are the specifics: - The purpose of the layout is for electronic product manufacturing, not for circuit prototyping or repair. - The PCB must be designed to fit within a small size constraint, specifically less than 10x10 cm. - The PCB should be a double-layered design. Ideal skills and experience for this job include: - Proficiency in PCB layout design, particularly for small, double-layered boards - Prior experience in designing for electronic product manufacturing - Attention to detail and ability to work within specific size constraints.

...code from scratch - Prior experience in data analysis using Python - Proficiency in Python libraries such as Pandas, NumPy, and Matplotlib If you have a solid background in data analysis and Python, and are able to create efficient, clean, and well-documented code, I'd like to hear from you. Here are details- I have to create a simulation that will find the optimal solution to go around a circuit using the least amount of power in a given time, by calculating the forces acting on the vehicle at any point. The forces have been identified to be: Drag, Rolling resistance, Incline, Wind & Motor thrust. Rolling resistance, wind (set to 0 in data should be okay to plug values in later) and incline forces have been resolved in an excel file for every data point (every metre...

...NFT transactions similar to the "Activity" feature on OpenSea The system should handle varying loads seamlessly, from 500 to 50,000 users. Tasks: System Architecture Design: Task: Design the overall architecture for the activity tracking system. Include considerations for data collection, storage, processing, and presentation. Deliverables: A system architecture diagram and a brief description of each component and its role. Backend: Task: Develop a prototype backend structure plan capable of receiving events from a blockchain network, processing them, and storing them in a scalable database system. Scalability Plan: Task: Outline a plan to ensure the system's scalability from day one. Address potential bottlenecks and describe how the system will handle hig...

I'm looking for a skilled electrical engineer who can help me with the design of a high-torque electric motor for a cart. Key tasks involved in the project will include: 1. Electrical System Analysis: Understanding the system needs and constraints to design an effective electric motor. 2. Circuit Design: Developing a circuit that will be optimal for the high-torque motor. 3. Troubleshooting and Repair: Providing solutions to potential problems experienced during testing and implementation of the design. The electric motor design needs to account for the following specifications: - Power Rating - Speed - High Torque Engineers with experience in design and development of high-torque electric motors will be preferred. A strong understanding of both theoretical knowledg...

I'm looking for a skilled individual to design a PCB and program a chip for our RFID system. The focus of this project is on two key aspects: - **Wireless Connectivity**: Your expertise in designing wireless systems is crucial for this project. The RFID system needs to communicate with our central hub seamlessly, so ensuring a reliable wireless connection is a priority. - **Energy Efficiency Optimisation**: The system to be developed should be as power-efficient as possible. We need the RFID system to function optimally while conserving energy, ensuring long-term sustainability and performance. **Specifics of the Project**: The project is specifically for an RFID system, which comes with unique challenges and requirements. Since the system will not require encryption for sec...

I looking for someone to design a PCB to include an MCU, Wifi module, and some headers Key Requirements: - The PCB should have an STM32 microcontroller (MCU) to carry out basic functions. - The design should incorporate an ESP32 Wi-Fi module for internet connectivity and a motor controller. - The complexity of the project is minimal. Deliverable: Using EasyEDA to design the PCB, I ask to receive a copy of the project, Gerber files, BOM, Pick and Place, and any other files required to manufacture the PCB. Ideal Freelancer: - Proficient in PCB design. - Experience with integrating MCUs and Wi-Fi modules. - Able to deliver a simple, no-frills design that works effectively. Please provide me with your quotes and examples of relevant projects you have w...

I'm seeking a PCB engineer to conduct rigorous PCB fab house audits and internal engineering efforts. Your primary task will be conducting inspections in line with IPC standards and internal standards flown down to PCB fab houses. I have a 6 month contract (renewable) available for someone who can qualify PCB fab houses and intimately understand IPC 6012/6013. Must be a US citizen due to industry specific requirements. Here's what I need: - Thorough PCB house audits/ inspections as a supplier qualification - Uses IPC standards for defining discrepancies as found by an inspection team - Provide detailed inspection reports as needed Ideal Candidates: - Experience in PCB Quality Engineering - Familiarity with IPC standards - Has excellen...

please make diagram for me

...or removing MOSFETs or any other relevant hardware as required - The BMS should include essential safety features such as: * Temperature monitoring * Short circuit protection * Cell balancing * Reverse polarity protection - The system should allow for charging and discharging through the same port I need this project to be completed within a month. Ideal skills and experience for this job include: - In-depth knowledge and experience in BMS design, particularly with LiFePO4 batteries - Proficiency in creating flexible BMS systems with variable ampere capacity - Extensive experience with temperature monitoring, short circuit protection, cell balancing, and reverse polarity protection - Ability to deliver the project within the stipulated timeframe - Strong probl...

I am seeking a skilled and experienced Switch Mode Power Supply (SMPS) design engineer. For my particular project, we will focus on AC-DC converters and shoul...Switch Mode Power Supply (SMPS) design engineer. For my particular project, we will focus on AC-DC converters and should, therefore, possess specific expertise in switching regulation topology. Here's what I need: - Mastery in designing AC-DC converters utilizing switching regulation - Ability to design a converter with power output less than 100 Watts - Experience with power electronics and circuit design Your background should demonstrate relevant projects you've completed that are particularly linked to the aspects mentioned. Your strategic and innovative thinking will be highly valuable to create efficient a...

I'm seeking an experienced JavaScript developer with an intermediate understanding of Laravel to assist with a very small tasks. - **Fixing Frontend User Booking Page**: You ...essential here. **Requirements**: - Excellent knowledge of JavaScript - Experience in front-end development and user experience enhancement - Proficient in form validation - Strong troubleshooting skills - Familiarity with Laravel is a plus, although not mandatory - Prior experience in similar projects or with similar technologies is highly desirable Please note that we require the expert to use pure JavaScript for this project. Prior experience with this is preferred. If you think you meet these requirements and are looking to work with a dynamic team on an exciting project, please don't hesit...

In this project, I am seeking a highly knowledgeable and experienced KiCad user who specializ...user who specializes in double layer PCBs. - Purpose: The primary function for this custom PCB is data transmission. This project will require a comprehensive understanding of different data transmission protocols and experience in related circuit design. Skills and Experience Required: - Proficiency in KiCad CAD software - Experience in designing double layer PCBs - Knowledge about different data transmission protocols and related circuit designs Please note, only bids from freelancers showing relevant previous works and portfolios will be seriously considered. I look forward to reviewing your proposals and potentially collaboratively creating an efficient and effectiv...

...DDR3 RAM and rout the PMICs. You should be proficient in length matching and proper KiCad design. You must review the schematic to ensure there are no issues before you start routing. I'm seeking a proficient PCB designer with experience in KiCad for the development of a multilayer circuit board intended for consumer electronics. Key Points: - The project involves the creation of a multilayer PCB targeted for consumer electronics. Prior experience in this field would be highly advantageous. - Proficiency in KiCad is essential. Prior experience working with KiCad for multilayer PCB designs is a must. - You should have a good understanding of the manufacturing process for consumer electronics PCBs, including the constraints and requirements that come wi...

I need a circuit schematic for the attached circuit

...experienced PCB designer to create a functional prototype design of a multilayer PCB primarily composed of analog components. The main aim is to validate the functionality of the design. Key Tasks and Responsibilities: - PCB Design and testing: The prototype's design should allow for rigorous testing of its functionality. - Component selection: Predominantly analog components will be used in the design. - Creating documentation: Comprehensive documentation must be provided detailing the logic behind the selection and arrangement of components. Ideal Experience and Skills: - Previous experience in multilayer PCB projects - Confident and competent working with analog components - Proficiency in PCB design and prototyping software - Strong k...

I have a STEP file of a PCB that includes submodels of various components. Each submodel is named by the component, e.g., resistor 0402. I need someone experienced to identify and accurately place components (e.g., resistors) in the STEP file. Attention to detail and precision are crucial for this job. Start comment with fustion3

I am in need of a skilled AutoCAD professional to create 6 small, simple 2D diagrams, and 1 3D diagram. The drawings are for an engineering purpose and do not require any specific AutoCAD version. Key Requirements: - Create 6 small, simple 2D diagrams - Create 1 3D diagram - No specific AutoCAD version required Ideal Skills: - Proficiency in AutoCAD - Strong understanding of engineering diagrams - Ability to create 3D diagrams is a plus This is a straightforward task for an experienced AutoCAD professional. I look forward to seeing your bids.

I am looking to commission a print featuring an abstract palm tree island and a wave. The ideal candidate for this project would have the following skills and experience: - Ability to interpret and refine existing design concepts while incorporating their creativity - Keen eye for detail and aesthetic appeal Ive attached abstract prints for reference of style and colour, and 1 image of a wave and island.

I'm seeking an experienced drafter to create detailed electrical wiring diagrams for my residential project. The diagrams should include; - Circuit layout - Wire color codes - Component specifications There are no specific electrical codes or standards to be followed in this project. A deep understanding of generic electrical drafting standards is essential. Previous experience in residential electrical drafting will be highly advantageous. This project requires the use of computer-aided design software, with proficiency in AutoCAD or similar software as a desirable skill.

...for AI-generated images to be used as a background on my website. The images should have a minimalist style, with a clean and simple aesthetic. Key Requirements: - Creation of AI-generated images for use in graphic design - Adherence to a minimalist style - Images must be of high-resolution and suitable for web use I need pink and black soft measuring tape added to each head as shown in the diagram i attached. The photo of the single head i attached with the tape measure around it is what i am aiming for uide on measuring your head for wig fitting, titled 'How to Measure' with a pink tape graphic above. Features six mannequin heads, each demonstrating a measurement technique: Circumference: Side view with tape around head above ears. Label below in black. Front to ...

I'm looking to have a structural diagram created for my composite deck. This project should include built-in seating capabilities within the design. The ideal candidate for this project should have experience with deck designs and be knowledgeable in creating functional, aesthetically pleasing deck spaces. Skills and experience ideally include, but are not limited to: - Architecture and Design - Structural Engineering - CAD expertise - Knowledge of composite deck materials and seating solutions Let's bring this outdoor oasis to life! Looking forward to your innovative deck designs!

I'm in need of an Arduino expert who is adept at programming a small Arduino circuit to control LEDs, a motor, and sound. It will be integrated into a small, Matchbox/Hot Wheels-sized fire truck. The LEDS will flash alternately to represent the emergency lights. The motor will power the back wheels and the sound will play through a small speaker as a siren and horn. Here are the requirements for the project: I believe the Arduino MKR Zero would be a good fit since it has the integrated micro SD card holder and sound processing capabilities. It also has an integrated battery charger. The Arduino needs to be powered by a rechargeable Lithium Polymer battery like 3.7 Volts. - Control LEDs: I believe I can get by with two white 3mm LEDs. I will install fibre-optics to transfer ...

I need a professional to create an ER diagram for a moderately complex database I'm designing. - This is specifically for database design purposes, using Chen notation. - The database structure I have in mind falls between 10-20 entities, so the ER diagram will need to reflect this level of complexity. - You should have in-depth experience with database design and ER diagramming, particularly using Chen notation. - The ER diagram should be clear, well-structured and accurately represent the relationships and entities within the database. - Previous experience with similar projects is a plus.

I need an expert Altium PCB designer for a complex prototyping project involving mixed-signal components on a multi-layer board. The right candidate should be able to draft and develop with precision and attention to detail. IDEAL SKILLS: - Extensive experience in Altium software - Dexterity in handling mixed-signal components - Mastery of multi-layered board designs - Familiarity with PCB prototyping processes - Able to handle high-frequency MCU of 480Mhz This project requires someone who thrives in complex PCB designs and can deliver accurate results promptly. I have already designed the schematic, the board shape, and the placement of connectors. I will provide my PCB library for the footprint of all the components used in the project. The PCB wi...