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Engineer drawings of schematic diagram for the circuit: 1) Having the ability to store up to 60 mp3 files, with a storage capacity of 100 MB total. 2) Having the ability to upload/update the mp3 files wirelessly. 3) All 60 individual mp3 files must have the ability to be individually played/triggered one at a time by a dry contact closure, one for each file, having in place an interlock circuit to prevent another file from being triggered/played at the same time. 4) The source of the trigger/contact closure will be provided by a circuit outside the scope of this project. However, the contact points for each trigger must be connected to a board-to-board connector of type TBD. 5) The circuit will need to contain an audio portion for the output of the mp3 files being played, with a mono output at line level with a PCB potentiometer for volume control. The audio output connector should be of the type RCA. 6) The circuit will need to contain 3 programmable timer circuits which will engage relays. Each timing circuit would have the ability to provide timing cycles/intervals for multiple timed events per day. Each of the 3 timing circuits would latch their corresponding relay for one second at the completion of its timing cycle: a) Timing circuit 1, and its corresponding relay would trigger mp3 file 58. b) Timing circuit 2, and its corresponding relay would trigger mp3 file 59. c) Timing circuit 3, and its corresponding relay would trigger mp3 file 60.
We are looking for a talented Full Stack Developer with a solid foundation in .NET for backend development and expertise in modern front-end frameworks, specifically Next.js, Angular, and React. The successful candidate will play a key role in building, maintaining, and optimizing web applications that are both performant and user-friendly. This role requires strong technical skills, an understanding of best practices in software engineering, and an ability to collaborate effectively across teams. Responsibilities: Design, develop, and maintain robust backend systems using .NET. Build responsive and interactive user interfaces with Next.js, Angular, and React. Integrate APIs and ensure seamless communication between front-end and back-end components. Optimize application performance and scalability. Collaborate with cross-functional teams, including designers and product managers, to align on requirements and deliverables. Conduct testing, troubleshooting, and debugging to enhance application stability and reliability. Write and maintain clear, concise documentation. Requirements: Proficiency in .NET for backend development, with experience in building scalable and secure APIs. Strong front-end development skills using Next.js, Angular, and React. Knowledge of modern web technologies, such as HTML5, CSS3, and JavaScript (ES6+). Familiarity with SQL and NoSQL databases, with an understanding of data modeling and query optimization. Experience with version control (Git) and familiarity with CI/CD pipelines. This is a great opportunity for someone passionate about full-stack development to work with cutting-edge technologies and contribute to a collaborative, innovative team. If you're excited about building top-quality applications and improving user experiences, we’d love to hear from you!
We are seeking a highly skilled and experienced DevOps Engineer to join our innovative and dynamic team. As a DevOps Engineer, you will play a crucial role in our continuous delivery framework, enhancing our deployment practices and boosting our operational efficiencies. Responsibilities: Design, develop, and maintain CI/CD pipelines for automated building, testing, and deployment of web and mobile applications. Create and manage code repositories in Bitbucket, GitHub, and other version control systems, ensuring seamless integration with CI/CD pipelines. Implement tools and processes for code review, requiring passing checks before pull requests (PR) are merged, to maintain high code quality standards. Create and manage development, QA/testing, and production environments with a focus on infrastructure as code principles. Ensure the security of our digital infrastructure by implementing comprehensive security measures including VPNs, firewalls, Zero Trust architectures, and Identity and Access Management (IAM) systems. Manage internal IT security protocols for tools such as Microsoft Teams, email systems, and SharePoint to prevent security attacks, including email spoofing and other vulnerabilities. Implement and oversee robust monitoring systems for all deployed web and mobile applications to ensure optimal performance and uptime. Proactively address and resolve any downtime or performance issues. Monitor applications and infrastructure performance, responding proactively to potential issues and optimizing resource utilization to achieve cost-effective solutions. Collaborate with cross-functional teams to integrate development and operations smoothly, ensuring scalability and reliability of all systems. Stay updated with industry best practices and emerging technologies, and implement them within the infrastructure where beneficial. Provide technical guidance and education to team members and stakeholders regarding DevOps best practices. Key Qualifications: Bachelor’s degree in Computer Science, Engineering, or related field. Proven experience as a DevOps Engineer or similar software engineering role. Proficient with code versioning tools like Git, and CI/CD tools such as Jenkins, GitLab CI, or CircleCI. Experience with automation software (e.g., Puppet, Chef, Ansible) and scripting languages (e.g., Shell scripts, Python). Strong knowledge of cloud services (AWS, Azure, Google Cloud) and managing serverless architectures. Demonstrable knowledge of network and application security, network administration, and network storage integration. Expertise in managing Linux/Unix and Windows servers, virtual machines, and containers using technologies like Docker and Kubernetes. Excellent troubleshooting skills and the ability to remain calm and effective under pressure. Desirable Skills: Certifications in AWS, Azure, or GCP are highly regarded. Experience with monitoring tools such as Prometheus, Grafana, or ELK stack. Understanding of compliance requirements for data security and privacy. Knowledge of database management, both SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB, Cassandra).
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We are looking for a skilled professional to create a simple wiring diagram for a PLC-based system, similar to a control panel. The system consists of a PLC, 24VDC power supply, 7 relays, a couple buttons, 24VDC lighting, USB connected camera(s), and a variety of terminal blocks (35 in total). The ideal candidate should have experience in designing electrical schematics and an understanding of standard wiring diagram labels for PLC based systems. Your deliverable will be a clear and concise diagram that outlines the connections and components involved. Attention to detail and accuracy are crucial for this project. If you have a portfolio of similar work, please share it with your application.
We are currently seeking a reliable and detail-oriented Quality Control Inspector to join our team at our storm shelter manufacturing facility in Wichita, Kansas. The ideal candidate will be responsible for conducting monthly inspections to ensure that our products meet the highest standards of quality and comply with design specifications. Key Responsibilities: Conduct thorough quality inspections of products in accordance with blueprints and other established specifications. Capture and upload clear, detailed photographs of inspection results. Complete and submit comprehensive inspection reports into our online cloud database. Communicate findings effectively to relevant teams and provide recommendations for corrective actions when necessary. Ensure all products meet industry standards and company requirements before approval. This role requires communication, strong analytical skills, and the ability to provide detailed reports of findings. If you have experience in quality control within a manufacturing environment, we would love to hear from you.
Position Overview: We are looking for an experienced PCB Design and Firmware Engineer to lead the development of a new version of our electronic shot timer. You will be responsible for designing, prototyping, and programming a custom PCB tailored to meet our product specifications, ensuring high-quality, cost-effective domestic manufacturing. Key Responsibilities: Design, develop, and optimize a custom PCB for an electronic shot timer, including schematic capture and PCB layout. Select and source appropriate electronic components (microcontroller, display, power management, sensors, etc.). Program microcontrollers with firmware to implement shot detection, timing logic, display control, and user interface features. Conduct testing and debugging of both hardware and firmware to ensure reliable performance. Collaborate with our team to iterate on design and address feedback from prototypes. Prepare documentation, including BOM, schematics, and programming guides for future production and maintenance. Assist in transitioning the product to full-scale domestic manufacturing.
We are seeking a skilled designer to create a custom gaming controller that replicates the ATC Transponder Panel of an Airbus A320 for use in flight simulation. The ideal candidate will have experience with electronics, PCB design, gaming hardware design, CAD design, and ideally but not mandatory familiarity with flight simulation software. If you have a passion for aviation and gaming, we would love to see your portfolio and discuss this exciting project in detail.
I am looking for an experienced sourcing agent to help import high-quality products from China to Mexico. This project involves finding reliable manufacturers, managing logistics, and coordinating custom branding. Responsibilities: Identify and vet reputable suppliers in China Manage logistics and shipping to Mexico Oversee quality control to ensure product consistency Coordinate custom packaging and branding with suppliers Ensure smooth communication and timely updates Requirements: Proven experience in sourcing sports products or similar goods from China Strong network of reliable suppliers Familiarity with international logistics, especially shipping to Mexico Excellent communication skills in English (Spanish is a plus) If you have experience with cross-border sourcing and managing branded products, I’d love to work with you!
We are seeking a versatile Full Stack Embedded Systems Engineer who is proficient in both hardware and software development. This role involves designing and developing hardware using the ESP32-C3 chip, as well as creating mobile applications and backend services that interact with our hardware. The ideal candidate will have a strong background in embedded systems, mobile application development, and full-stack web development. Responsibilities Embedded Systems and Hardware Engineering Design and develop hardware using the ESP32-C3 chip, including firmware for managing Bluetooth and Wi-Fi connectivity. Develop and program the device’s firmware to manage communication with the backend and mobile applications. Perform extensive hardware testing and debugging to ensure seamless interaction between hardware and software components. Full Stack Software Development Design and develop mobile applications for iOS and Android that interact with the hardware via Bluetooth and Wi-Fi. Implement and manage backend infrastructure to support device communication, user authentication, and API management. Develop a web-based dashboard for real-time monitoring and control of the hardware device, including administrative tools and data visualization. Collaborate with other engineers to ensure smooth integration of software and hardware systems. Required Skills Hardware Engineering Expertise in embedded software development, specifically with ESP32 microcontroller programming, C/C++, and firmware development. Knowledge of Bluetooth and Wi-Fi protocols, and power management techniques. Software Development Strong proficiency in mobile app development using Swift, Kotlin, or cross-platform frameworks like Flutter and React Native. Backend development expertise using languages such as Python or Node.js and familiarity with cloud services like AWS or GCP. Experience in front-end development with modern frameworks such as React or Angular, including proficiency with RESTful APIs and WebSocket communication. Documentation and Schematics Develop comprehensive documentation for all software and hardware projects, including setup guides, API documentation, and usage tutorials. Create schematic diagrams and detailed design documents for all hardware components, ensuring that these are updated with each iteration of the product design. Review and maintain documentation and diagrams regularly to ensure accuracy and compliance with the latest industry standards and regulations. Provide technical documentation support for patent applications and other intellectual property matters related to the developed technologies. Qualifications Bachelor’s degree in Computer Science, Electrical Engineering, or a related field. Proven experience in hardware design and embedded systems development. Demonstrable experience in developing mobile applications and scalable backend services. Excellent problem-solving skills and ability to work in a cross-functional team environment.
Hello. I need help developing a project for 3-phase grid-connected inverter. I need to simulate the inverter in Simulink and develop a control part for the FPGA and C2000 TMS320 F28379D controller. I have already created a model for the inverter and C2000 controller, it is required to modify it. Deadline and payment can be discussed. Thank you in advance.