Sine wave inverter circuit pcb design jobs

...Touring Cars - The Legends of Bathurst. The new design should reflect a retro theme from the 1970s, 1980s, and 1990s, while also conveying the primary message of speed and excitement. Key Responsibilities: - Conceptualize and design a logo that captures the thrill of racing. - Consider incorporating various elements connected to circuit racing, such as car imagery, racing flags, and track elements. - While I'm open to retaining aspects of the current logo, I'm equally happy to consider a completely new design. Ideal Skills: - Proficiency in graphic design software. - Strong understanding of retro design aesthetics from the 70s, 80s, and 90s. - Experience with logo design, particularly for sports or racing-related organization...

I'm in need of an electrical testing and review of my PCB. The focus should be on: - Signal integrity: Ensuring signals maintain their integrity across the PCB. - Power distribution: Verifying that power is evenly and correctly distributed. - Component functionality: Confirming all components operate as intended. The testing should strictly adhere to IPC standards. Ideal candidates for this project should have extensive experience in PCB electrical testing and design verification, with a strong understanding of IPC standards. You should also possess the ability to assess component placement and identify potential issues with signal integrity or power distribution.

I am seeking an RF engineer with experience in telecommunications. The project involves working on two questions. Ideal Skills: - Proficiency in RF engineering principles - Experience in telecommunications applications - Knowledge of circuit and antenna design - Understanding of signal propagation and RF optimization techniques - Ability to conduct interference analysis and frequency planning

I require a complete appellate brief for the 11th Circuit. This project requires meticulous legal analysis and case law research. The brief should cover any potential issues on appeal, including procedural errors, legal misinterpretations, and instances of insufficient evidence. Key responsibilities: - Conduct thorough case law research to identify relevant precedents and legal principles - Write a comprehensive legal analysis to support the appeal - Draft the brief in accordance with the court's requirements Ideal candidates will have: - Extensive experience with appellate brief writing - A strong understanding of the 11th Circuit's legal standards - Excellent research and legal writing skills Please note, the brief should be written in a manner that is suitable for su...

1. Project Overview Project Name: Doctor & Patient App Enhancements and Bug Fixes Current Status: Both Android APKs (Doctor and Patient) are live. Backend...Description: Google Maps integration is non-functional. Notes from Your List: “YES - NO” Backend?: NO Frontend?: YES - (Maps API fix) Error #012 Description: “Reels” feature not working. Notes from Your List: “Once fixed image url issue from backend then i will check again YES - 15 YES” Backend?: YES - (if it’s pulling images or data) Frontend?: YES (UI/feature) Payment Description: Integrate Wave payment solution (patient-to-doctor transactions). Notes from Your List: “YES YES” (not included in current bug scope, future milestone) Backend?: YES (payment logic & ...

I need expert assistance in PCB design tailored for prototyping purposes. The PCB will be utilizing a mixed type of components, which means both surface-mount (SMD) and through-hole components. Importantly, there are no strict size constraints for this PCB. Ideal skills and experience for the job: - Proficient in PCB design software - Prior experience in prototyping PCBs - Knowledgeable in handling both SMD and through-hole components - Creative in designing without size constraints - Able to deliver high-quality, reliable designs

I require the following for a supply being converted from 230V AC to 6V DC: 1) Draw a sine wave diagram of an AC sinusoidal wave representing UK mains supply (230V RMS, 230*1.41 PEAK, 50 Hz) label the time period and the amplitude. 2) Then draw and label the output after each stage of conversion. transformation, rectification, smoothing, voltage regulation ONLY LABELLED DIAGRAMS REQUIRED Ideal skills include: - Strong understanding of electrical and electronic principles - Experience with power supplys - Proficient in drawing and creating diagrams - Ability to hand-draw technical diagrams Please use hand-drawn and scanned diagrams for this project.

I'm looking for a skilled PCB designer who can provide a Gerber file based on a circuit diagram I will provide. Key details: - The PCB will primarily be used for testing, so it should be designed with this purpose in mind. - There are no specific size requirements for the PCB, so flexibility is available. - The type of PCB design (single-sided, double-sided, or multi-layer) has not yet been decided and will depend on your professional recommendation. Ideal Skills: - Proficient in PCB design software. - Experience with generating Gerber files. - Knowledgeable about industry standards for testing PCBs. - Strong understanding of various PCB types and their applications. Please only bid if you can show relevant experience ...

I'm looking for a compact, thin USB hub that has the functionality for wireless charging and data transfer. This hub needs to cater primarily to smartphones, with the following specifications: - USB Ports: 2-3 USB C fem...transfer to and from mobile devices. Connection to device is male USB C - Wireless Charging: It should support both Qi and PMA wireless charging standards. - Micro SD Reader: An on-board micro SD reader is a must. - Size: The footprint of the hub needs to be as small as possible. - PCB: Need PCB design You will also be responsible for the PCB design, using easily procurable parts in Canada. KiCad experience is essential. The ideal candidate will have a strong background in power management systems and PCB design. Pl...

I need an expert to assemble 120 Tag components for tracking equipment. The Tags will be used in mixed environments, so they need to be durable and reliable. Ideal Skills and Experience: - Experience with electronics assembly - Ability to work with components such as PCB and wireless charging coils - Familiarity with mixed environment equipment durability requirements - Quality control skills to ensure all Tags function properly

Looking for a PCB expert to fill BOM list for me with the correct items in digikey or mouser. Very easy task and should be completed under an hour

I'm in need of a circuit board & Flex PCB Style wiring for a lithium battery pack design. Specifically for a custom battery pack for electronics installed into a harsh environment. The main function of this circuit board is to provide a fuse and diode to ensure the each battery pack does not discharge in event of different voltage, but it must also physically easy to manufacture the battery pack. Key requirements: - Expertise in designing circuit boards for consumer electronics - Proven experience with power management circuit boards - Ability to design for low power specifications Skills and experience that would be advantageous: - Creativity in designing efficient power management solutions I have attached a word document whic...

My PCB for industrial machinery has been failing and I need a professional to review my schematic and board layout files. The board is controlled by an ESP32 and displays via a Nextion on UART. Issues to Address: - Interference between components - Unexpected resets or failures - Communication errors with peripherals Measures Taken: - Shielding - Filtering - Grounding techniques - Decoupling - Suggestions for field wiring to board -component values -adding any protection components or change values I look forward to your expertise in identifying any potential issues that could cause my board to fail in this industrial setting.

We are seeking a skilled developer or team to design and develop a dynamic 4G and LoRa-based device with integrated MQTT communication and call functionality. The device should be compact, reliable, and capable of seamless data transmission via MQTT protocol while supporting voice call capabilities. The project includes hardware and firmware development, ensuring scalability and dynamic performance. Project Requirements: 1. Hardware Specifications: A 4G module for high-speed cellular connectivity. LoRa module for long-range communication. Microcontroller unit (MCU) to manage operations efficiently. Support for SIM card insertion for cellular functionality. Integrated microphone and speaker or support for external peripherals for voice calls. Adequate power management system f...

I need an expert PCB designer to create a multi-cell LiPo charger for me. The charger should be able to manage multiple LiPo cells simultaneously, offering balanced charging to ensure all cells are charged equally. Features Required: - Overcharge Protection: This is crucial to prevent damage to the cells and ensure safety during the charging process. - Balanced Charging: As mentioned, the charger should be capable of balancing the charge across all cells. Power Source: - The charger will be powered via a DC adapter. Ideal Skills: - Extensive experience in PCB design, particularly for multi-cell chargers. - Proficiency in designing circuits with overcharge protection and balanced charging capabilities. - Familiarity with DC adapter powered devices. Previous work exa...

I'm in need of a detailed design and analysis for a 6V DC power supply to power the electronic controller of an electric vehicle. The project has several components: 1. **Power Conversion Stages**: You will need to state and describe the four stages of conversion to obtain the requisite power. These stages will include a Transformer, Rectifier, Filter, and Regulator. 2. **Sine Wave Diagram**: Starting with an AC sinusoidal wave representing the mains supply, you will need to draw and label the time period and the amplitude. This will involve using the specifications of the UK mains supply (230V RMS, 230*1.41 Peak, 50 Hz). 3. **Output Diagrams**: You will also need to draw and label the output after each stage of conversion. The ideal freelancer for this...

I’m looking for a passionate Senior HW engineer with high core skills in PCB layout starting from an already validate schematics with the goal to miniaturize as much as possible a small dimension PCB (27 mm * 60 mm) already designed. About 100 components.

I'm looking for a professional who can create a design and/or a prototype of waving flags in GIF or MP4 format, i need all flags of the world for a motorsport closed circuit, those flags will be showed on podiums on digital screens. all the flags have to have the same animation, it should be very smooth and gentle animation like "" or maybe like "" avoiding to cut borders like "" do. any further idea will be appreciated, for sure it will be considered to get almost 3-4 examples before selecting the right one and produce all the world flags. images are required to be 1920x1080 format

...seeking an experienced IoT consultant based in Bangalore who specializes in Hardware Design. The focus of this project is on prototyping and testing. Need someone experienced in prototyping and designing, spl related to medical device. Prefer in Bangalore. Need to physically build a reproduceable prototype in med tech category, we have initial unrefined version. Ideal Skills: - Extensive experience in IoT hardware design - Prototyping and testing expertise - Familiarity with current IoT hardware components Your role will be primarily focused on assisting with the prototyping and testing phase of the hardware design process. Please note this project does not currently involve selecting components or PCB design. The objective is to create a functi...

I need an expert in PCB design to redesign a PCB for AC to DC conversion. The PCB will be used in consumer electronics, so it needs to meet the common specifications for such applications. Key requirements: - Expertise in PCB design - Expertise in Kicad - Expertise in Transformer design and selection - Prior experience with AC to DC conversion - Knowledge of consumer electronics standards Project needed in Kicad

...available). Key Aspects: - The speargun should feature an anatomical handle similar to - It must be an inverter roller type, drawing inspiration from Gladiator spearguns, Shadow separguns, and Allemani models. - The trigger should be modeled after the Ermes sub, complete with a reel. Specific Components to Highlight: - Overall body shape where rubber bands and all components are inside the body of the speargun. - Hydrodinamics of the speargun for lateral movement. - The ergonomics and usability design of the handle. - The trigger mechanism full desing. - The attachment for the reel and reel desing. Design Requirements: - I need the designer to create the anatomical handle from scratch. - The design style for the handle should be ergonomic inspired by othe...

...available). Key Aspects: - The speargun should feature an anatomical handle similar to - It must be an inverter roller type, drawing inspiration from Gladiator spearguns, Shadow separguns, and Allemani models. - The trigger should be modeled after the Ermes sub, complete with a reel. Specific Components to Highlight: - Overall body shape where rubber bands and all components are inside the body of the speargun. - Hydrodinamics of the speargun for lateral movement. - The ergonomics and usability design of the handle. - The trigger mechanism full desing. - The attachment for the reel and reel desing. Design Requirements: - I need the designer to create the anatomical handle from scratch. - The design style for the handle should be ergonomic inspired by othe...

I need a PCB model evaluated for mechanical shock loads using Ansys Sherlock. The primary goal is to predict potential failure points under conditions typical for industrial robotics. Ideal Candidates Should: - Have a strong background in PCB design and analysis. - Be proficient in using Ansys Sherlock for mechanical shock evaluation. - Possess experience with industrial robotics environment modeling. - We can provide an Altium export for the PCB

I'm seeking a designer to create a playful and colorful logo alongside two outdoor signboards for my K...seeking a designer to create a playful and colorful logo alongside two outdoor signboards for my Korean-wave inspired cafe, Gwaenchana Cafe. The logo should incorporate the 'OKAY' sign, reflecting a positive and welcoming atmosphere. Key Requirements: - Design a modern, playful, and colorful logo that appeals to cafe-goers and Korean-wave enthusiasts alike. - Create two distinct outdoor signboards that are visually cohesive with the logo and brand identity. - Integrate the 'OKAY' sign into the logo design in a creative way. Ideal Skills: - Graphic Design - Signage Design - Branding - Understanding of Playful, Colorfu...

Hi, I’m looking for a freelancer to help me design two PCB variants for a stair-lighting controller using a 38-pin ESP32 Dev Module (USB-C). This system will power and control WS2812 LED strips and incorporate multiple sensors for an intelligent lighting setup. Below is an overview of what I need, followed by detailed requirements. At the end, I’ve included links and attachments referencing a similar board and my own sketches. >>> Overview of the Project 1. Goal: Create two PCB variants (Version A and Version B) of a stair-lighting controller for WS2812 LEDs: - Variant A: 2 LED outputs, - Variant B: 16 LED outputs. 2. Board: Uses an ESP32 Dev Module (38-pin, USB-C) mounted on female headers (no extra programming buttons needed). 3. Sensors...

I'm seeking a skilled PCB designer proficient with Altium Designer. The project involves designing a PCB that includes a microcontroller. Ideal Skills: - Extensive experience in PCB design with Altium Designer - Strong understanding of microcontroller integration into PCB - Ability to design for durability and performance

I'm in need of a professional with...Responsibilities: - Develop a few different types of maps as per project requirements - Ensure high-quality, precise, and visually appealing map outputs I need these maps in the context of the UK: Maps and Visualizations to Produce: 1. Shoreline Change Map: Showing how the coastline has receded or advanced over the past 50 years. 2. Vulnerability Map: Highlighting areas at greatest risk based on elevation, wave exposure, and other environmental factors. 3. Impact of Human Activity Map: Displaying coastal defense structures, urban development, and their relation to erosion patterns. 4. Erosion Hotspots: A heatmap or thematic map showing areas with the highest rates of erosion, as well as areas with protective structures. Plan attached for co...

I'm looking for an experienced Arduino programmer and circuit designer to build a simple circuit that can send readings from two fuel optical sensors over the longest range radio available. Key Requirements: - located in Great Britain - Knowledge in Arduino programming and circuit design. - Experience with fuel optical sensors preferred. - Proficient in implementing long-range radio communication, ideally LoRa. - Ability to design a battery-powered circuit. The circuit should take readings from the two sensors, which output 5V when in air and a neutral 3 wire, and send these readings over the radio. The circuit will be powered by a battery.

I am using Ubiquiti dream machine pro i have public ip connected to my udm but i need to use port forwarding to access grandstream ucm6308 from wave app over network My needs make port forwarding for single Grandstream UCM6308 to access wave app from outside connection

Output of rectagular signal of 0-40Volts, up to 15Amps. The output signal should be variable in amplitude and also be either unipolar (0-40 Volt, adjustable e.g. from 0 up to 0-40Volt) or bipolar (+/- 20 volt adjustable from 0 to +/- 20 volt), by means of a switch. Will drive a coil of 17mH or 34mH (thick wire on a big, 60cm ...frequency: 0 (off) - 50Hz The control at this stage can be potentiometers, but in the near future will be controled by an MCU, so control signal should be of low voltage (e.g. 0-5 volt) There should also be a protection of the output if there is a shortcut. Based on SG3525 is a good idea. Since the distance is a bit of a problem to exchange ciruits and parts, the circuit and BOM is good enough while showing the good operation of the circuit on a v...

I'm in need of a seasoned expert to assist with the hardware design of an ESP32-S3 project, specifically focusing on component selection. The primary area of concern is the selection of appropriate communication modules. Ideal Skills and Experience: - Extensive knowledge and experience with ESP32-S3 hardware and component selection - Proficiency in identifying suitable communication modules for various applications - Previous experience with PCB design and hardware troubleshooting - Strong understanding of power management and relevant components.

I'm in need of a professional who can run some CFD analyses on a wave energy converter using a 3D step file that I will provide. Key metrics to be analyzed: - Power output at 4m/s and 2m/s wave speed - Hydrodynamic forces The analysis should be conducted under normal water conditions, with no need for tests at varying wave heights or water temperatures. The ideal candidate for this project: - Should be highly proficient in CFD simulations and FSI analysis - Have experience working with wave energy converters - Be able to deliver a moderate level of detail in the analysis Your expertise will help in understanding how this device interacts with the water and its power generation capabilities. Looking forward to your bids.

...the shell is brought close to the ear, it emits a soft, preloaded melody inspired by Dalmatian traditions, ocean sounds, or nature. Key Product Elements: 1. Shell Design: Inspired by real Adriatic Sea shells (e.g., pen shells or oysters). Made using biodegradable plastic or resin with intricate details. The external surface can feature personalized embossed patterns, such as the name of a city (e.g., Dubrovnik, Split) or regional symbols. 2. Speaker: A mini digital speaker integrated inside the shell. Plays a gentle melody when close to the ear, mimicking the "song of the sea." Melodies include traditional Dalmatian songs, wave sounds, seagulls, or sea breezes. 3. Kinetic Charging Battery: A kinetic battery powers the speaker through movement. Energy is gene...

...logo should be appealing to kids of all ages, both boys and girls. Key Requirements: - Unique and distinctive design: The logo should be easily recognisable and leave a lasting impact on viewers. - Reflects a new cool kid era: The design should showcase the next wave of coolness for kids. - Playful and fun: The style of the logo should be playful and fun, in line with the nature of the store. Color Preferences: - Pastel and Soft: The color scheme should be pastel and soft. Ideal Skills: - Graphic design: A strong portfolio in logo design, particularly for children's products, would be beneficial. - Creativity: The ability to think outside the box and create a distinctive design. - Understanding of brand identity: Experience in creating ...

...house is generating. I essentially have all devices monitored & connected via various iot methods (rooftop solar monitoring, smart metre monitoring, smart plugs). I need you to automate the changes in power levels of my ASIC mining computers (can be changed easily via the Braiins OS), based on the power being generated by rooftop solar panels (solar monitored via Powersense monitor + also by inverter login/dashboard). I have illustrated the outline of what I require in a brief pdf document which I can send you. I also have more detailed plans for a small database/csv file 'fields required' & extensively documented algorithm on how the mining power levels should be set formulaically depending on the real-time solar output etc. Please contact me for more quest...

I'm in need of a professional to design a breakout board for the AD5933 chip. The primary application for this chip will be impedance measurement, specifically up to 100 kHz. This project requires a deep understanding of the AD5933 chip, as well as the principles of impedance measurement. Key requirements: - Design a breakout board for the AD5933 chip - Ensure the board is compatible with I2C for communication Ideal candidates will have: - Prior experience with the AD5933 chip - A strong background in electrical engineering and circuit design - Experience designing breakout boards - Proficiency in I2C communication interface Please include examples of similar projects you've completed in your bid.

I'm seeking a skilled CAD designer to assist in the creation of a prototype for a product. The main material for this prototype will be plastic. I am looking for someone to design a 3d Printable, casing for my project. The casing would not be more than 80mm by 60 mm. It should be able to host my PCB plus cuts for slots wherever needed. Ideal Skills and Experience: - Proficient in CAD software (Fusion 360) - Experience in product design and prototype creation - Knowledgeable in working with plastic for prototype design - Capable of creating detailed and accurate CAD models - Able to meet project deadlines and collaborate effectively

LED design and BOM ready for upload to pcbway. Full project files in KiCAD Make sure to generate BOM from pcbway extension.

I need a circuit board designed primarily for signal processing. This board will be handling mixed signals, specifically processing sensor signals. Key Requirements: - Design a circuit board capable of mixed-signal processing with a focus on sensor signals. - Ensure the board is optimized for signal processing tasks. - Provide schematics and design files. Ideal Skills and Experience: - Expertise in circuit board design. - Proficient in working with mixed-signal and sensor processing. - Strong background in signal processing.

I'm in need of a professional PCB designer with experience in designing PCBs for consumer electronics, IoT and esim programming. Key Requirements: Nr. 1 : Size and shape constraint. Size: very small, should fit within a 2 by 2 cm square, 1cm height. Shape: hexagon. Layers: 4 Nr. 2 : Specific components: microphone&speaker, esim, to enable calls. Bms incorporated for lipo battery. Nr. 3 : Careful placement of components, intensive power management system, should fit size constraints. Ideal Skills and Experience: - Extensive knowledge in PCB design for consumer electronics. - Proven experience in designing PCBs for power management and wireless communication. - Ability to design for battery power sources with a focus on efficiency. -Prior experience ...

I have a nearly complete Fusion 360 project that needs some final touches and the addi...with: * Looking for beginners freelancer, who can take this micro project as their first project, who fit in my underrated pay. * Creating exact fittings for a PCB * Mapping an LED light indicator strip to match the PCB * Modifying the design to potentially add ergonomic features if necessary * Ensuring the project is ready for 3D printing The final design needs to be optimized for ease of assembly. Ideal Skills: * Beginner/Mid level experience in Fusion 360 * Experience with 3D design and printing * Understanding of PCB fitting and ergonomic design * Ability to enhance design for ease of assembly Please note, the precision of the PCB ...

I will do the complete design for the project.

Project Details I'm in need of a compact, double-layer PCB designed for a digital circuit. The project involves creating a Gerber file that is ready for printing, accommodating the given circuit diagram. The PCB should be small and compact, suitable for accommodating a digital circuit. The 2 ESP32, SIM800L, MAX 485 and ADS1115 will be mounted on a 2.54 mm pin female single-row header strip. All connectors will use 5 mm PCB terminals with standard 0.1” (2.54 mm) spacing through holes. Components Ref: ESP32 38Pin Development Board: Hi Link HLK-PM01 5V/10W: 2.54mm Pin Female Single Row Header Strip:

I am looking to create a digital airsoft target see attached documents. I will need all files and BOM in order to have whatever PCB we create manufactured and assembled.

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We are seeking an experienced DFM (Design for Manufacturing) Designer/Industrial Design Engineer to refine and optimize the design of our countertop chai-making machine for personal kitchens. Our prototype is functional, and we need your expertise to make it production-ready while adhering to safety, usability, and aesthetic standards. Below is an outline of the design requirements and challenges: Key Design Requirements 1. Form Factor & Dimensions: 1.1 Footprint: No more than 30cm x 30cm. 1.2 Height: No more than 45cm. 1.3 Modern Aesthetics: Neutral colors like matte black, brushed stainless steel, white, and gray with clean, sophisticated lines. 2. Component Layout: 2.1 Top Dispensing Unit: 2.1.1 A circular spice box (Indian m...

Seeking Specialist for Microprocessor Programming in Hydraulic Machinery We are looking for an expert to program a microprocessor to control a newly patented small hydraulic machine (The Wave Wizard). The primary responsibility of this project is to ensure the microprocessor effectively monitors, regulates hydraulic flow and pressure, transforming it into a 'smart' device during its operation. The Hydraulic Machine must be compact to be retrofitted on existing machines now in the market. (approximately 2” x 3” x 6” see concept drawing). AutoCAD, SolidWorks or equivalent experience by the same party or a second party will be required. We have a machine shop available to build and test prototypes. Project Requirements The project necessitates that the ...

...handle. - It must be an inverter roller type, drawing inspiration from Gladiator spearguns, Shadow separguns, and Allemani models. - The trigger should be modeled after the Ermes sub, complete with a reel. Specific Components to Highlight: - Overall body with rubber bands. - The design of the handle. - The trigger mechanism. - The attachment for the reel. Design Requirements: - I need the designer to create the anatomical handle from scratch, as I do not have reference images available. - The design style for the handle should be ergonomic and sleek. Ideal Skills: - Proficiency in Plasticity 3D is essential. - Prior experience in designing intricate 3D models, particularly for spearguns or similar equipment, would be advantageous. - Strong understanding of...

I'm seeking a skilled who can quickly and accurately design a mixed-signal circuit using the Proteus/ISIS simulation software. This project revolves around the study of a photovoltaic-wind hybrid network connected to a High Voltage Direct Current (HVDC) bus. Key aspects of the project include: - Understanding and implementing the complexities of a hybrid renewable energy network. The ideal candidate for this project will have: - Proficient experience with the Proteus/ISIS simulation software. - Experience with designing circuits for renewable energy systems. Speed and accuracy are paramount for this project, and I am prepared to compensate appropriately for high-quality work.

I need a circuit board designed and built that uses an ESP32 to drive a large number of LEDs (SMD, 300-500). The LEDs should be arranged to represent a detailed map that will be provided. Key Requirements: - Design and construct a visually appealing circuit board (as it may be directly exposed to end user) - Use an ESP32 to control a large number of LEDs (you will have to explain how you plan on doing this) - Arrange the LEDs according to a detailed city map which I will provide on the circuit board. Ideal Skills and Experience: - Electronics and circuit board design - Proficiency with ESP32 - Experience with LED projects - Design skills for creating an aesthetically pleasing product