Electronic siren circuit diagramJobs
timer concept lcd 3 relay 3 buttons rtc 6 adc (op amp circuit)
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...reduce the amount of sign in /sign out equipment on platforms and placing that equipment entirely in the rolling stock. Each train compartment or bus is already equipped with a wireless LAN connected to the InterNet. The train or bus computer knows the current position (GPS). A passenger simply associate with the wireless network as usual but for those passengers that have registered for an electronic ticket service the train computer now registers boarding and during the journey registers position either based on time intervals or passing of taxation borders. On active disassociation or by just leaving the train or bus the registrations done by the train computer form the basis for the fare calculation. A customer might use several trains and/or busses for a complete journ...
...reduce the amount of sign in /sign out equipment on platforms and placing that equipment entirely in the rolling stock. Each train compartment or bus is already equipped with a wireless LAN connected to the InterNet. The train or bus computer knows the current position (GPS). A passenger simply associate with the wireless network as usual but for those passengers that have registered for an electronic ticket service the train computer now registers boarding and during the journey registers position either based on time intervals or passing of taxation borders. On active disassociation or by just leaving the train or bus the registrations done by the train computer form the basis for the fare calculation. A customer might use several trains and/or busses for a complete journ...
YOUR BID IS FINAL. NO LATER CHANGE ALLOWED DO NOT BID WITHOUT SEEING THE ATTACHMENTS SEND YOUR SAMPLE VIDEO FIRST TO BE SELECTED I need someone to create videos on English Grammar on the topics given here in the attachment. It can be discussed in Chat. You should have a good, professional grade Mic. An electronic Pen is desirable. Topics for which you need to create the videos are Narration , voice change, parts of speech, sequence of tense, gerund, creating wh questions etc. Each topic should be minimum of 60 minutes length. You first need to explain the main concept, use examples and use some questions and then its answers with explanation.. also create 10 MCQ questions on each topic. Instructions to be in ENGLISH only. Use Screen recording Software and/or Whiteboard. VOICE MUST B...
This project requires expertise in Event-B Modelling & Spark I think you must be an Electronic, elevator engineer or electrical engineer and a programmer to be able to do this If you feel you are confident with this requirement and you can do this kindly place your bid while we discuss extensively on the requirement and timeline
I'm in need of a freelancer who can provide me with an accurate and simple industrial machine wiring diagram. It's crucial that you have an in-depth understanding of electrical circuits and wiring systems for industrial machines. Responsibilities: - Prepare a wiring diagram for a simple machine circuit. - Make sure the diagram is easy to understand without oversimplifying the essential elements. Required Skills and Experience: - A strong background in electrical engineering. - Extensive experience creating wiring diagrams, preferably for industrial machines. - Solid understanding of machine simplistic circuits. - Attention to detail, accuracy and consistency in diagram creation. - Excellent communication skills to clarify any ambiguous point...
I'm looking for a skilled professional in Proteus and KiCad to assist with an electronic simulation and PCB design project. - I require assistance primarily with circuit design, schematic capture, and component selection and placement. - I already have specific electronic components in mind for this project, so I would need your expertise in helping me integrate these into the design. - The primary purpose of the electronic device I'm designing is for control and automation. Ideal Skills and Experience: - Proficiency in Proteus for electronic simulation - Proficiency in KiCad for PCB design - Experience with circuit design, schematic capture, and component selection and placement - Previous projects focusing on control and automation ...
I need an detail-oriented and meticulous freelancer who can help me retype an old court document. This will require keen attention to detail to ensure that n...content is altered as the document needs to be retyped exactly as it is. Key tasks involve: - Retyping a document that is clear and easily readable - Ensuring that the final output is a Word document Ideal candidates should be proficient in English, have a strong background in document editing and processing, and have excellent typing skills. The goal here is to reproduce this document in an electronic format while preserving its original content. Therefore, an individual who pays keen attention to detail would be ideal for this project. Having legal knowledge or a legal background would be an added advantage but it is not ...
I'm looking for an expert Electronic Engineer with abundant experience in Altium PCBA design. The task centers around the creation of a LM51772 Buck-Boost Controller design, adhering to specific requirements. - Output Voltage: Your design must accommodate an output voltage range of 5V - 48V, delivering high efficiency throughout the range. - Maximum Output Current: The design must support a maximum output current of 5A. - PD Type C Output Integration: Complete integration with PD Type C output is a necessity. Ideal candidates should have a sound understanding of power electronics and PCBA design, specifically with Altium. Experience with PD Type C output integration, and broader USB technology is also valuable. To succeed, a strong knowledge base around Buck-Boost Co...
I'm searching for the support of a qualified chemical engineer to: - Formulate an alkyd resin - Undertake process simulations in Aspen Plus - Model chemical reactions The outcomes I look forward in this project are: - A detailed report on the alkyd resin formulation - A completed Aspen Plus simulation file - A model of the chemical reactions involved, with results - A Process flow diagram The resin must have these key characteristics: - The required viscosity - A specified curing time - Optimal adhesion properties Expertise in chemical engineering, familiarity with Aspen Plus and experience in modeling chemical reactions are the key skills required for this task. A background with polymeric materials, particularly alkyd resin, would be beneficial. Your innovative thinking...
I need a comprehensive PowerPoint presentation that visually illustrates the workflow and process maps in three key areas of my business; sales process, customer service process, and account management process. Key tasks: - Create detailed slides that visualize each of these processes - Ensure each slide showcases a clear, easy-to-follow workflow map - The presentation should be i...easy-to-follow workflow map - The presentation should be in a professional format suitable for a business environment The ideal candidate should have: - A strong background in business, particularly in sales, customer service and account management - Exceptional skills in creating PowerPoint presentations, with a focus on clarity and professionalism - Experience in process mapping and workflow diagram...
We are working on a power converter board and looking for an expert in MCU stm32. We are using the stm32G474ret6 and having several issues that we are not being able to explain . The main issues are : startup state of MCU systick clock for hal_delay non functional Debugger resetting MCU in middle of operation code not stored in memory after p...looking for an expert in MCU stm32. We are using the stm32G474ret6 and having several issues that we are not being able to explain . The main issues are : startup state of MCU systick clock for hal_delay non functional Debugger resetting MCU in middle of operation code not stored in memory after powercycle . We are looking for somebody that is very used with stm32 MCU and know about electronic schematics and circuit for mcu int...
...e-commerce website for my company. Our primary focus is on selling physical products, specifically electronic devices. Key Requirements: - The website should be designed to showcase our products effectively with a focus on electronic devices. - The products need to be displayed in categories for easy navigation. - An engaging user interface ensuring a pleasant shopping experience for our customers. - A robust CMS for product management. Ideal Skills & Experience: An ideal candidate should have a proven track record in e-commerce web design and development, with a specific emphasis on user-experience design. Special consideration will be given to those who have experience working with electronic devices companies. WordPress, Joomla, or any other widely recogn...
I need a comprehensive system architecture diagram for my project. - The main purpose of the system architecture diagram is to visualize system components, identify system interactions and plan for system scalability. - The User Interface component is essential for this project. I would like it to be included in the diagram in a detailed manner. This can be done through a high-level overview, detailed screen layouts, and the interaction flow between screens. Ideal Skills: - Strong understanding of system architecture - Proficiency in creating detailed system architecture diagrams - Experience with User Interface design The final diagram should be easy to understand, visually appealing, and help me in planning for the future development of the project.
I am looking for an individual to conduct in-home visits in Taipei, New Taipei, and Taoyuan cities. The purpose is to collect data and take photographs of dehumidifier models for market...owned by Taiwanese aged between 25-50 years - Collecting data about the dehumidifiers - Taking photographs of the dehumidifiers The dehumidifier brands of interest include Panasonic, Mitsubishi, LG, Hitachi, and Whirlpool. Ideally, you should be fluent in Mandarin and have experience in market research or data collection. Be prepared to visit the home once for about an hour. Familiarity with electronic appliances, especially dehumidifiers, will be beneficial. Please ensure you have permission from the house owners for the visit. We will give you 100 dollars as a visiting fee (gift). Area：Taiwa...
I am looking for an experienced professional who can successfully add my European radio station to TuneIn.com. Key Requirements: - Proficiency in TuneIn's platform and API - Strong understanding of radio station integration - Proven track record of adding radio stations to TuneIn - Expertise in Electronic/Dance genre Please note: - All necessary broadcasting rights and licenses are already in place. - You will solely be responsible for the technical aspects of this integration. Your proposition should include a detailed plan on how you will carry out the integration. Prior experience with similar projects will be highly considered.
More details: What specific internal parts do you need for the assembly character? Gear mechanisms, Electronic circuits, Structural components What are the specific functions or movements that the assembly character should be able to perform? Arm movements, Facial expressions What is the desired size or scale for the assembly character? Customizable
I'm in need of an Electronic Technician who can design a PCB board. I would provide the schematic diagram drawing, dimensions and a bill of material of all the components. All I need is the PCB design in a format that I could send to print. Simulation is a plus. Key Responsibilities: - Designing and developing the PCB board. Ideal Candidate: - Proficiency and experience in designing PCB boards. - Understanding of electronic devices and their components. Please include a detailed project proposal in your application.
I need an electrical engineer with a strong background in designing and building high resistance measuring circuit solutions. You'll specifically be working to design an electrical module that focuses on two main functions: 1. Measuring Circuit Resistance - The module should be able to accurately measure high levels of resistance, specifically, greater than 100 ohms. 2. Fault Identification and Display - The module should be able to not only detect a fault in the circuit but also display this fault for an operator to see and diagnose. Ideal candidates should have: - Strong knowledge and background in electrical engineering, specifically circuits. - Experience with designing for high resistance applications. - Understanding of fault diagnosis and rectifica...
...patient, we need to make sure that they have a negative PCR test result 6. Exit Patient: Use the uml diagram above to create the abstract class. Covid19Patient Use the uml diagram above to create the class The treat method will return Paxlovid for patients over 59 who have a fever (temperature is over 36.5) otherwise, it will be fluids and Acetaminophen. Any patient who has a temperature over 40, regardless of age, should be receiving Dexamethasone the toString method in the Covid19Patient class to return a String similar to the sample below: Id: 23 Full name: Shukri Abotteen Age: 80 Temperature: 38 PCR test result: Positive Treatment: Paxlovid RegularPatient Use the uml diagram above to create the class The treat method will return Amoxicillin for pati...
...data analysis capabilities. Design Preferences: • Style: Modern and minimalist, yet approachable, suitable for a technology-focused company. The design should be clean and not overly complex, ensuring it is easily recognizable and scalable for various uses. • Symbols: Consider incorporating elements that symbolize AI, data analysis, and technology, such as neural networks, data graphs, or circuit patterns. The design should subtly reflect the analytical and technological nature of our services. • Typography: Sleek, professional typeface. The font should be modern, professional and readable, with a tech-oriented feel, that is clear and legible at various sizes, suggesting clarity and precision. Specifically, the logo is preferred to incorporate the brand name w...
I need a hardware engineer adept at handling Power Supplies, particularly, Switched Mode Power Supply (SMPS). The core task will be: * Designing an SMPS circuit Ideal candidates should have: * Extensive experience with SMPS circuit design * Profound understanding of Power Supplies in general * Strong problem-solving abilities for any potential complications during design phase * Ability to work efficiently and meet project timelines If you're equipped with these skills, I encourage you to place your bid. Your expertise will be vital to the success of my project.
Seeking assistance to streamline my medical billing tasks, specifically in insurance claims processing and payment posting. With an in-depth understanding of Excel spreadsheets and electronic medical billing software, your expertise will be used to enhance efficiency. The complexity of the project is increased as working with more than 10 healthcare providers. Key Attributes: - Proficient in insurance claims processing - Experienced in payment posting - Competence in the use of Excel spreadsheets and electronic medical billing software - Background in working with numerous healthcare providers While the task will be challenging, your contribution will be pivotal in improving our system. Looking forward to your applications.
I'm looking for someone with the right skills to help me design a schematic and PCB layout for an electronic personal gadget. It's essentially a miniaturized, spherical device. Your work will be key to bringing this gadget to life. I need a skilled engineer to design the schematic and PCB layout for a compact video projector encased in a spherical, medical-grade silicone housing. Here are the specifications for the PCB: - The PCB should be circular. - It must have a maximum diameter of 15 millimeters. - The memory should be at least 10 MB, ideally 16 MB, to ensure ample storage. - The memory needs to be capable of supporting PDF files, though text files or images are acceptable alternatives. - The projector should be able to display content like a standard projector, inc...
I need an electrical engineer to perform circuit design and troubleshooting tasks using a hardware simulator, specifically for .HDL files. Your primary task will be to install an electrical system with the help of the simulator. Key Responsibilities: - Circuit design using the simulator - Circuit troubleshooting - Electrical system installation I require you to be proficient in using a hardware simulator, especially with .HDL files. You should also have a solid understanding of circuit design and troubleshooting. Time is of the essence, so the quicker you can complete the project, the better.
I'm in need of an experienced electronic embedded system developer to create a cutting-edge blood pressure monitor medical device. The project involves schematic, pcb, firmware development, as well as algorithm creation, testing and monitoring. Additionally, the device should be able to interact with an Android app for display and control purposes. Key features: - Bluetooth connectivity: The device should be able to connect to other devices wirelessly. - Real-time monitoring: The device should provide continuous data so that users can monitor their blood pressure in real-time. The Android app should include: control device and viewing data with scheduling. Regulatory Standards: - CE (Conformité Européenne): The device must adhere to European standards for healt...
I'm seeking a skilled electronics engineer for the development of a basic single-layer PCB prototype. Here are the essentials: - This circuit creates a pulse amplitude modulated signal which is amplified at high power. The signal is genrated within the circuit so no user input is required. - This project has been worked on before and an added varible resistor and mosfet will be needed as well as the most important part which is power management which can be done with component selection or circuit alterations. - The purpose is a prototype development, which means you'll be instrumental in bringing my concept to life and preparing it for eventual manufacturing. - The PCB design will incorporate analog components, so expertise in working with these compon...
Avem nevoie de un sistem foarte bine integrat de tip CRM ce trebuie sa contina urmatoarele: Introducere clienti Oferte - acestea sa se trimita automat prin mail si sms (integ...Oferte - acestea sa se trimita automat prin mail si sms (integrare prin API sms la providerul nostru), acceptarea acesteia online Proforme si facturare - la fel trimsie prin sms si mail, plata online prin netopia (api detinut) Contracte - pe acelasi mod, se genereaza contractul in baza unui template apoi se trimite prin sms si mail, pe sms contine un link de la serverul nostru si il poate semna electronic Procese verbale Portal clienti - acces pentru clienti sa poata vedea programari, contractele semnate, facturi, adaugare de tiket, etc Ca exemplu este crm de la mefi OBLIGATORIU DIN ROMANIA, SE LUCREAZA DOAR...
We are seeking an experienced PCB designer to develop a custom printed circuit board for a Raspberry Pi 4 Model B application. The project requires integrating specific components and ensuring the design can be enclosed within a standard industrial box. The successful applicant must have experience with power management and GPIO pin utilization. Key Requirements: - Experience with Raspberry Pi designs and GPIO pin functions. - Ability to integrate electronic components such as 5V relays into the PCB with high precision. - Familiarity with standard industrial connectors and terminals. This project aims to create a highly functional and reliable hardware system. Only applicants with a strong track record in custom PCB designs and the ability to work to exact specifications s...
Hi, I have an electrical installation project for #54 EV charging points on a new build residential scheme that requires drawing up. I have the design details but need the drawings completed. - Overall Layout Drawing – I will provide a layout .DWG and locations - Overall Single Line Diagram - I will send design details, it just needs putting into a drawing - Cable Schedule Is this something you can help with? Thanks, Mike
I'm seeking an expert in Entity-Relationship Modelling and Rational Database Design. Key Requirements: - I need an expert in this particular area. Please only apply if you have a proven track record in both Entity-Relationship Modelling and Rational Database Design. - I'm looking for a high-level overview of the Entity-Relationship Diagram. This means I don't need every minute detail, but rather a clear and concise depiction of the core entities and relationships. - Experience is key. Please share your past work in this field. Ideal Skills: - Proficient in Entity-Relationship Modelling - Experienced in Rational Database Design - Strong track record in this particular project type - Excellent communication and understanding of client needs. Please submit your ...
I'm in need of a freelancer to replace the battery in my AirPods 1. I have the replacement battery already, so the requirement is primarily for the technical expertise and tools to undertake the battery replacement. Key Requirements: - Experience with AirPods 1: Given the delica...battery already, so the requirement is primarily for the technical expertise and tools to undertake the battery replacement. Key Requirements: - Experience with AirPods 1: Given the delicate nature of these devices, experience working with AirPods 1 would be highly beneficial. - Proficiency in Battery Replacement: Ideal candidates should have prior experience with battery replacements in small electronic devices. Please note that there's no immediate rush for this task, so it can be completed ...
This project requires expertise in Event-B Modelling & Spark I think you must be an Electronic, elevator engineer or electrical engineer and a programmer to be able to do this If you feel you are confident with this requirement and you can do this kindly place your bid while we discuss extensively on the requirement and timeline
I'm seeking a skilled graphic designer to create a modern and clean design for a standard size envelope. It will be primarily used for business correspondence, hence, s...envelope, stationery or corporate-designs will be a plus. Please ensure your proposal includes links to some of your past relevant work. I'm hoping for a swift turnaround time without compromising on quality. Design Preferences: Colors: We prefer shades of blue (but feel free to get creative!). Design Elements: We envision a modern, sleek, and tech-inspired design. Consider incorporating subtle circuit patterns or binary code motifs. Content to Include on the Envelope: Company logo Company Name Address Phone Email We are attaching our letterhead & visiting card as reference. Need design similar t...
For this project, I am seeking an experienced 2D animator to create a h...look and feel focusing on speed. Requirements: - Demonstrated proficiency in 2D animation - Ability to effectively visualize complex systems and workflows - Capacity to work within a tight timeframe as the animation needs to be 1-2 minutes long Objective: - Precisely animate the workflow steps, key inputs and outputs, as well as the interactions happening within different components of the diagram The ideal freelancer for this project will have experience illustrating complex processes in a clear, captivating manner. A portfolio showcasing similar projects will greatly be appreciated. This project requires tight collaboration to ensure every aspect of the workflow is accurately animated and visually under...
I'm looking for an experienced electrical engineer to help with the redesign of my current circuit, which is in CircuitLab format. Your role will involve: - Adding or removing components as necessary - Reorganizing the layout to enhance clarity and organization - Possibly correcting errors you may encounter along the way Ideal skills would include proficiency in CircuitLab, a keen eye for detail, and in-depth knowledge of electrical circuit design and optimization. You should also be able to work independently and make recommendations for improvement where you see fit. Previous experience in similar projects would be beneficial.
I'm seeking an experienced electronic engineer to design an NFC antenna coil aimed specifically at physical access control via smartphones. The design should meet all the essential criteria for wireless communication and smartphone compatibility with a primary focus on advancing security protocols. Key Requirements: - Deep understanding of NFC and wireless communication - Familiarity with smartphone interfacing techniques, particularly in regards to access control - Understanding of physical access control principles and how they can be incorporated into the antenna design - Previous experience in designing for security and access control applications will be highly regarded. The ultimate goal is the creation of a coil design that can be integrated into a larger access co...
I have ongoing work related to our previous project 'Graphic Design Request: OV1 Diagram Enhancement'
I'm looking for a skilled designer to create a camera...Technology: I would like the camera to utilize motion detection as the primary sensor technology. This is crucial for effective security monitoring within the vehicle. - Installation: The final product will be installed in vehicles, so the design must be suitable for this environment. Skills/Experience Required: - Product Design: The ideal candidate should have demonstrable experience in designing electronic devices, with a particular focus on security and surveillance products. - Sensor Technology: A strong understanding of motion detection technology and its application in security systems is highly desirable. - Automotive Design: Experience in designing products specifically for vehicle installation would be a signifi...
I'm looking to build an electronic device that predominantly monitors health. It will have a key feature of tracking blood pressure. Key Features: - Blood Pressure Monitoring: This will be the primary function. It should be accurate, reliable, and user-friendly. - Large Display: The device should have a large, easy-to-read display to make the readings straightforward and accessible. - Bluetooth Connectivity: I'd like the device to connect to smartphones and other devices, allowing for data tracking and easy sharing with healthcare providers or family members. Ideal Skills: - Experience in health monitoring device development, especially blood pressure monitors. - Proficiency in electronic device design and production. - Knowledge of Bluetooth connectivity and app...
...to easily create custom contracts for various needs. The app will provide predesigned templates while also allowing customization. Key Features: - Template Creation: The application should include a feature for creating predesigned templates. - Template Customization: The users should be able to modify the templates as per their specific contract requirements. - Electronic Signature: Included should also be a feature for electronic signing of contracts. - Multi-user: The app should support multiple users at the same time. Types of Contracts: The application needs to support the creation of more than 10 types of contracts. Skills and Experience: The ideal freelancer for this project should have excellent knowledge and experience in AI development and web application dev...
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...will take place - as well as RS485 communication. Absolut main aspect is an accurate (in sense of stability, low noise and absolute value representation) K thermocouple element measurement. Two approaches are forseen - using the high precision MAX31856 as well as the AD8495 in conjunction with a 20-bit SAR and 24-bit SigDelt ADC. Apart from the ADC proposition the project comprisis of a full circuit and PCB creation. Additionaly also the needed firmware for the respective communication (over SPI) shall be properly implemented (well structured and with readable comments). Finally also testing should take please for measure the achievable performance of the proposed and implemented solutions. Please read carefully the attached project sheet with even more details. Looking forwa...
This project requires expertise in Event-B Modelling & Spark I think you must be an Electronic, elevator engineer or electrical engineer and a programmer to be able to do this If you feel you are confident with this requirement and you can do this kindly place your bid while we discuss extensively on the requirement and timeline
I'm in need of an attentive and experienced professional who could perform data entry tasks. The main job is to compile invoice data from both paper and electronic emails into a digital format. Key details: - Data type: Text and numbers from emails - Source formats: predominantly online emails and electronic database - Volume: Approximately 500-1000 entries Ideal skills and experiences: - Proficient in manual data entry - Detail-oriented to ensure accuracy - experience with legal industry or professional services/ billing data is preference but not required. Your proven experience in similar projects and expertise will be key to ensure this project's successful execution.
