{"id":23918194,"url":"https://github.com/yousef4008/multimeter-pcb","last_synced_at":"2026-03-03T04:40:02.364Z","repository":{"id":252394576,"uuid":"840310926","full_name":"Yousef4008/MULTIMETER-PCB","owner":"Yousef4008","description":"Auto-ranging multimeter PCB designed with Altium Designer. Powered by a 3.7V Li-ion battery with a charging/protection circuit and a 5V boost converter. 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The multimeter is designed to measure various electrical parameters with precision and reliability. Below are the key features and details of the project.\n\n## Features\n\n- **Power Supply**: \n  - Powered by a 3.7V Li-ion battery.\n  - Integrated charging and protection circuit.\n  - Boost converter to step up the voltage to 5V for stable microcontroller operation.\n  \n- **Reprogramming**:\n  - Includes a USBasp port for easy firmware updates and reprogramming.\n\n- **Measurement Capabilities**:\n  - Accurately measures voltage, current, capacitance, inductance, and resistance.\n\n- **Design Software**:\n  - The PCB layout was created using Altium Designer.\n\n## Getting Started\n\n### Prerequisites\n\n- **Altium Designer**: To open and modify the PCB design files.\n- **AVR Programmer**: Such as USBasp for flashing the firmware onto the microcontroller.\n\n### Usage\n\n1. **PCB Assembly**: \n   - Assemble the PCB based on the design files provided.\n   \n2. **Firmware Installation**:\n   - Use an AVR programmer to upload the firmware.\n\n3. **Operation**:\n   - Power the multimeter via the 3.7V Li-ion battery.\n   - Use the micro USB port for charging.\n   - Program the microcontroller using the USBasp port.\n\n\n## Contributing\n\nContributions are welcome! Please fork this repository, make your changes, and submit a pull request.\n\n## Contact\n\nFor any questions or suggestions, feel free to reach out via GitHub issues or directly on LinkedIn: \n[My LinkedIn Profile](https://www.linkedin.com/in/youssif-hossam-a81189240)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fyousef4008%2Fmultimeter-pcb","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fyousef4008%2Fmultimeter-pcb","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fyousef4008%2Fmultimeter-pcb/lists"}