Led driver schematic circuit jobs

...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 SIHP24N80AE-GE3, The PWM controller that will send the pulse to the gate driver is UCC28086D, ...

I need a minimal working example of PPPOS in IDF framework v4.4.7. The requeriments are: - Minimal example with SIM800L modem. - Create and configure esp_netif for PPP (create the driver, and task to receive data from modem and send to esp_netif) - Configure the modem via AT commands (PPP conection ATD*99#) - After succesfull connection, make a http request for testing. The most important thing: DO NOT USE esp_modem component. The example must do not use any component, simply the esp_netif API.

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 BLDC Motor. -I already have the motors selected and the drivers for each motor. -I am wanting to use an arduino microcontroller for the controls. -I require the power supply to be as small as possible,... 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 Schemati...

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...

...bid, read carefully. Do not ask me about my budget during the chat because I have already indicated the budget if you can't help or if you think the budget is too little, save some time for both of us I want to have a website made by a freelancer. the website is intended to track and register passengers and drivers. the database must have the following users. -Administrator -Driver -Parents what should the driver be able to do? 1. register 2. Scan passenger in and out using a QR code 3. be able to record comments for each passenger per day if necessary 4. being able to see each passenger monthly report of where they got in/out and at what time. 5. Be able to create a QR code for every name. Drivers must be able to clock in and clock out while driving. what shoul...

I'm looking for a professional copywriter to craft persuasive and compelling content for my landing page. The primary goal of this page is to boost client conversions. Key Requirements: - The tone of voice should be persuasiv...propositions of these services. Ideal Skills and Experience: - Proven experience in copywriting for legal services, particularly in the area of Corporate Law and Commercial Real Estate. - Exceptional command of persuasive and compelling writing. - Understanding of conversion-oriented copywriting techniques. - Portfolio showcasing successful landing page copywriting projects, particularly those that have led to increased client conversions. If you think you have what it takes to help me boost client conversions through persuasive copywriting, don'...

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.

...important to develop the emulator using C++. - Purpose: Macro tests will be performed with the emulator in the game. Your role will be as follows: - Design and develop a reliable and efficient keyboard input emulator for gaming. System level programming is required. (It will simulate the keyboard on the hardware and perform keydown and keyup operations. I want it to press the z1 key when the Capslock LED is on. I want it to stop when it is turned off.) - Make sure the emulator is compatible with Windows(10). Ideal Skills and Experience: - Proficient in C++ programming. - Previous experience with low-level programming. - Understanding of gaming requirements and applications. - Familiarity with Windows operating systems. If you are confident in your ability to meet these require...

I'm in need of a customized vinyl print for t-shirts, featuring a realistic silhouette of a golfer hitting a driver in the picture I downloaded . Alongside this, the design should incorporate cartoon-style, female chicks, excited to witness the golfing action.. and other details Key Requirements: - Vinyl Print: The design should be suitable for application on t-shirts, ensuring durability and longevity. - Silhouette and Cartoon Elements: I'm particularly interested in a realistic style for the silhouette of the golfer. For the cartoon elements, the design should feature female chicks in a vibrant, cartoon-inspired style. - Full Color: The design should be vivid and capture attention, using a full color palette. Ideal Skills and Experience: - Graphic Design: A strong bac...

...PA sites: You will be responsible for creating high-quality backlinks from reputable websites in the finance industry. - Ensuring global reach: The backlinks must be strategically placed in a manner that enhances my website's visibility on a global scale. Ideal Candidate: - Proven experience in SEO and backlink building: You should have a track record of successful backlink campaigns that have led to improved search engine rankings. - Strong understanding of the finance industry: Knowledge of the finance sector will be advantageous in selecting the most relevant websites for backlinking. - Creative and strategic thinker: The ability to think outside the box and develop a comprehensive backlink strategy is crucial for this project. If you have the necessary skills and ex...

I'm looking for a skilled developer to create a rock paper scissors game on a Raspberry Pi. The outcome should be displayed on an LED. The following are the key requirements for this project: - **LED Display Design:** I don't have a specific design in mind for the LED display, so I'm open to creative suggestions. It would be great if the design can enhance the user experience and make the game more engaging. - **Programming Language:** I'd prefer the game to be developed using Python. Please ensure you're proficient with Python and can create a smooth and efficient game. - **Control Mechanism:** I'll need the game to be controlled via a web interface that's accessible through a network. This is essential for user interaction and conv...

...camera and upload features with GPS Location storage in sql server database. a. When employee entering attendance when on site or on tour b. When employee on leave to upload doctor certificate c. Labour attendance on site d. Material received on site e. Material issued on site f. stock counting on store, warehouse, site g. Maintenace person enters during failure of machine parts h. Vehicle driver on delivery i. Expense bills by site or travelling employees. g. Invoice / Bills received on site i. All other documents which can be given access to upload or operate our system All above web applications we already have. We will provide ERP filename, ERP Database DocumentID which your app will enter in sql server. We will read photo or file from our cloud webserver and show...

I'm in need of a proficient Flutter developer to help me submit two Flutter projects to the Apple Store. The projects are a Taxi Driver App and a Customer App. I'm looking for a freelancer who can deliver this project as soon as possible. Prior experience with Flutter and developing mobile apps for the Apple Store will be highly advantageous. Your attention to detail, ability to meet deadlines, and strong communication skills will be greatly appreciated.

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

...itself, with which we will subsequently work, e.g. if we want to make some changes in the layout, placement of elements. It is important that the dimensions according to the drawing are exactly preserved. We are able to supply a DWG file in CAD with the dimensions of the area in which the fair will be held. As part of the 3D design, we would like to model the lecture halls in 3D, including the LED screen, podium for the speaker, and chairs. Next, model cafes. Model the stands - it is enough to alternate 2-3 types of stands when the stand will have a table, sofa, TV, banners, etc. So the output should be: - 3D model of the fair - shots of the fair in PNG (approx. 10-20 plans) = we will use these images for promotion (from different points of view) - Very detailed and realistic ...

I need an experienced professional to connect my Unicorn 5.31 to an Akta machine and ensure it's functioning properly. Additionally, Fermworks needs to be activated and integrated to work with Labview to run a bioreactor. Key responsibilities:...additional purchases of software. - Familiarity with VMware as a couple programs are located on these virtual machines. Ideal proposals should include: - Experience in connecting different machines - Proven track record in automation projects - A detailed project proposal outlining how you would approach this task, ensuring successful automation Please note, you'll need to have expertise in driver connections and automation to be successful on this project. Your proposal should clearly showcase your relevant experience and ap...

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

...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 with Noise and Heat Management of components and PCB. Please also specify your availability of work. Attaching few files to look and understand complexity of project, attached pdf is of current PCB board. we 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.

...lockers like in an office. All lockers have a number and a qr code. That is also a small green or red light visible with 5 mm diameter (available or occupied) The user open the app in the phone and scans the q r code Of an available locker with a green light. He Press the bottom lock in the app, Opens The door put a bag inside and closes the door. In the app, press the button close and the LED switches into red After while he comes back and press the button release on the app. The lock changes into green and he can take out his bed again Maybe we have a different light at this time because it’s afternoon or evening He leaves and the door closes automatically because of the self closing hinges. Contest: The video should not be longer than seven seconds, and in ...

I'm in need of an adept transport office manager to handle various crucial tasks in my small fleet of vehicles. Responsibilities: - Overseeing vehicle maintenance and repair: I need someone who can ensure that our vehicles are always in top shape and promptly handled when they need repairs. - Managing driver scheduling and route planning: You'll need to coordinate the schedules of a small team of drivers and plan the most efficient routes for each trip. - Handling logistics and coordination: You will be responsible for ensuring that all our logistics run smoothly, from receiving orders to the delivery of goods. Skills and Experience: - Familiarity with fleet management software: Proficiency in using this software will be essential for this role. - Experience with GPS tra...

...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...

...should be designed in bright and vibrant colors to attract both kids and parents. - LED Lighting: The addition of LED lighting will make it stand out and create a fun and lively atmosphere. - Wallpaper: Incorporating wallpaper will add texture and depth to the wall. - LED Balloons: I'd like to include LED balloons to add an extra element of fun and excitement. - 'Happy Birthday' Text: The wall should also incorporate this text in a creative way. Theme: - The wall design should reflect a nature-inspired theme, focusing on elements like the sky, clouds, flowers, and similar motifs. Ideal Skills and Experience: - Proven experience in designing feature walls for public spaces or venues - Proficient in incorporating LED lighting into desig...

I'm looking for someone to film 4 15 year old GCSE students through a 2-3 hour tennis session to capture key skills for their exam assessment. Skills to capture attached - session will be led by a coach / parent. Video required to submit to school once complete. A very basic project. Location - Pangbourne, Berkshire When? A Sunday afternoon in June / July

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 need android developer who has good experience with App developemnt for Android platfrom. - UI part: Only 2 pages to implement but need some eye catching and mordern. - Funtion part: Integrating c++ code with .so lib in one page for controlling led. Please feel free to contact me if you have interest in this project. Thanks.

...autonomous to manual driving during vehicle automation, and if such a request occurs, explains part of the reason for the request to the vehicle's driver. Please search for this technology. 【3. Reference Technology】 ・Example: If a request to switch to manual driving occurs during autonomous driving, the driver's statement is captured, and based on that statement, part of the reason for the request is explained to the driver. ・Example: Memorizing the correlation between the driver's statement and part of the reason for the request. ・Example: If the driver's statement is similar to a recorded statement, a related explanation is presented to the driver. ・Example: Acquiring the cause of the request and downloading related information based on that c...

I'm in need of a drone light show to show text in the sky (16 letters). It is to a small audience. Any evening, 4th to 8th July, Las Vegas. Ideal Skills and Experience: - Proficiency in drone light show programming - knowledge of drones equipped with programmable LED lights

...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'm looking for a skilled developer to create a rock paper scissors game on a Raspberry Pi. The outcome should be displayed on an LED. The following are the key requirements for this project: - **LED Display Design:** I don't have a specific design in mind for the LED display, so I'm open to creative suggestions. It would be great if the design can enhance the user experience and make the game more engaging. - **Programming Language:** I'd prefer the game to be developed using Python. Please ensure you're proficient with Python and can create a smooth and efficient game. - **Control Mechanism:** I'll need the game to be controlled via a web interface that's accessible through a network. This is essential for user interaction and conv...

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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...

Whitehouse Communications is an independent issues-led political communications agency based in London, specialising in public affairs, policy analysis, media relations, and crises communications. We also organise events on behalf of European trade bodies including an annual awards ceremony for a leading sports nutrient association which takes place in London. We are looking for an experienced Event Organiser to provide essential administrative and logistical support for the team in the UK and EU either on a freelance or fixed term contract to deliver an awards ceremony in London in December 2024. You will need a positive, can-do attitude, and be able to flex your approach and make decisions at speed when required. You will perform well under pressure and possess great atten...

i need the location tracking mobile app in flutter for the my traccar server with the available and not available fetures 1)i have traccr client android app need to convert in the flutter or create fresh 2)add fetures screen to driver can on /off there location 3)profile screen 4)login screen 5)setting screen i need imediate the devloper who is start the work also this need to upload in ios and the location is sharin in background so need to approved

In this project, I am seeking a highl...am seeking a highly knowledgeable and experienced KiCad 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 effective data ...

Requirement: Project completed in KICAD ONLY. I need help routing an allwinnder D1 SoC to 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...

I need a circuit schematic for the attached circuit

...Background】【3. Reference Information】 (【1】【3】 are reference information) 【1. Background】 This technology is about notifying the driver of the host vehicle about the presence of other vehicles. Past technology notifies the driver when the host vehicle is stopped, the right turn indicator is activated, and the time it takes for other vehicles to reach the expected right turn trajectory of the host vehicle is shorter than a certain time. However, ideally, notifications should start before the driver starts the right turn operation, and unnecessary notifications should be avoided as much as possible. The purpose of this technology is to provide a new technology that can notify the driver of the presence of other vehicles at an early stage and has a low possibili...

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.

...live map view that displays the position of the assigned vehicle. - In-app payment: Seamless integration with popular payment gateways for an efficient and secure payment process. - Ride scheduling: Users should be able to pre-book rides for a specific date and time. For Drivers: - Driver tracking: A feature that allows drivers to view their current location on a map and helps to plan routes effectively. - Accept/Decline ride requests: Drivers should be able to accept or reject incoming ride requests. - Driver ratings: A system that allows passengers to rate drivers after completing a ride. Your experience in developing similar full-featured taxi applications will be a key consideration. Please provide examples of your previous work that demonstrate your capability in de...

I am in need of a skilled contractor can decompile Fermworks software, bypass, and integrate with working with the LabView 2019. Labview is activated already, Fermworks not, although not sure how well Labview is activated. The Unicorn 5.31 software is activated, but its not recognizing the machine, so need networking or driver fix fir this. Key Requirements: *Experience in using a decompiler like x64dbg or similar tools. • Familiarity with desktop-based software. • Must be able to complete the process without the need for additional purchases. *Teamviewer, Anydesk connection Skills Required C Programming C++ Programming Reverse Engineering

Floor plan requirements provided in attached sketch. Schematic design phase, should be to scale.

Our established US-based LED sign manufacturing business seeks reliable guidance on navigating the complexities associated with expanding to Uruguay. We are seeking a knowledgeable professional to provide assistance in navigating the business registration and legal set up. The ideal candidate will possess: - Understanding and familiarity with Uruguayan business laws & procedures applicable to foreign investors establishing their presence locally, including but not limited to taxation (RUT), labor legislation through CASMU registration process as well as relevant permits/licenses based on our intended scope of operation. - Exceptional communication skills both in English and Spanish for seamless collaboration with US executives while representing us effectively towards authoriti...

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 want something similar to To access it please use vpn. Don’t bid until you have seen the link. I want this to be made on Web/Ios/Android. I want user to authenticate themselves with passport/driver license and mobile phone.

I'm in need of a skilled app developer to bring my taxi booking app vision to life. The app's primary function is to allow users to book taxis. Key Features: - GPS Tracking: The app must have a GPS tracking feature to locate user's positions and taxi locations. - Payment Integration: Users should be able to make payments through the app. - Driver Ratings: The app should allow users to rate drivers after their ride. If you have experience with taxi booking app development, especially in integrating GPS tracking, payment gateways, and ratings systems, I'd love to hear from you. Please include any relevant work you've done in the past.

I need a realistic 3D billboard animation. It will have a voiceover with a complete video. The 3D models will be done by you. I have the storyboard and a prototype by today itself and complete delivery in 2 days. I need 4k resoution video. ONLY PLACE THE BID IF YOU CAN SHARE THE PROTOTYPE BY TODAY AND YOU HAVE WORKED ON SOMETHING SIMILAR TO THIS.

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...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 will be an 8-layer board with a stack up of SIG-GND SIG-GND PWR-GND GND-SIG. Please follow the design rules I set in the project. The attached screenshot is the current state of the project, and the schematic...