{"id":20042700,"url":"https://github.com/izzat-kawadri/max232-pcb","last_synced_at":"2026-03-09T14:30:53.307Z","repository":{"id":255510836,"uuid":"852100522","full_name":"Izzat-Kawadri/Max232-PCB","owner":"Izzat-Kawadri","description":"Design Max232 PCB Using Eagle","archived":false,"fork":false,"pushed_at":"2024-10-25T00:13:36.000Z","size":3087,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-03-02T07:18:52.872Z","etag":null,"topics":["eagle","eagle-pcb","pcb","schematic"],"latest_commit_sha":null,"homepage":"","language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/Izzat-Kawadri.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-09-04T08:18:10.000Z","updated_at":"2024-12-09T14:59:54.000Z","dependencies_parsed_at":"2024-09-05T21:50:15.706Z","dependency_job_id":"f46a42b0-415a-45e0-968f-8af5c23fc126","html_url":"https://github.com/Izzat-Kawadri/Max232-PCB","commit_stats":null,"previous_names":["izzat-kawadri/max232-pcb"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/Izzat-Kawadri/Max232-PCB","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Izzat-Kawadri%2FMax232-PCB","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Izzat-Kawadri%2FMax232-PCB/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Izzat-Kawadri%2FMax232-PCB/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Izzat-Kawadri%2FMax232-PCB/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/Izzat-Kawadri","download_url":"https://codeload.github.com/Izzat-Kawadri/Max232-PCB/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Izzat-Kawadri%2FMax232-PCB/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":30299009,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-03-09T13:46:43.843Z","status":"ssl_error","status_checked_at":"2026-03-09T13:46:42.821Z","response_time":61,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["eagle","eagle-pcb","pcb","schematic"],"created_at":"2024-11-13T10:52:53.730Z","updated_at":"2026-03-09T14:30:53.282Z","avatar_url":"https://github.com/Izzat-Kawadri.png","language":null,"readme":"# Max232 PCB Design and Implementation\n\n\u003cp align=\"center\"\u003e\n  \u003cimg src=\"./pcb_design/max232 board.png\" alt=\"Schematic\" height=\"400\"/\u003e\n  \u003cimg src=\"./implementation/4.jpg\" alt=\"PCB Design\" height=\"400\"/\u003e\n\u003c/p\u003e\n\n- **Project Name:** Max232 PCB Design and Implementation \n- **Project for:** Introduction to PCB Course \n- **Project Date:** 2018\n\n## Table of Contents\n1. [Introduction](#introduction)\n2. [What is MAX232?](#what-is-max232)\n3. [Main Components and BOM](#main-components-and-bom)\n4. [Schematic of the Circuit](#schematic-of-the-circuit)\n5. [PCB Design](#pcb-design)\n6. [Implementation Process](#implementation-process)\n7. [Getting Started](#getting-started)\n\n## Introduction\n\nThis repository contains the design files, schematic, and implementation details for a printed circuit board (PCB) that utilizes the MAX232 IC. The project is created using the Eagle PCB design software. The MAX232 is commonly used for RS-232 serial communication, and this project demonstrates how to design and implement a PCB for it.\n\nThis project was completed as part of a **training project** in the **PCB Design course** that we attended at our university. It aims to teach the fundamentals of PCB design, schematic creation, component placement, routing, and testing through hands-on experience with a real-world application.\n\n\n## What is MAX232?\nThe MAX232 is an integrated circuit (IC) used to convert signals from a TIA-232 (RS-232) serial port to signals suitable for use in TTL-compatible digital logic circuits. It is a dual driver/receiver and typically requires a single 5V power supply. The IC includes capacitive voltage generators to supply the necessary voltage levels for RS-232 communication, making it a popular choice in embedded systems that need serial communication.\n\n### Key Features:\n- Dual transmitter/receiver pairs\n- Operates from a single 5V power supply\n- Converts RS-232 signals to TTL levels\n- Requires external capacitors for voltage generation\n\n## Main Components and BOM\nBelow is the Bill of Materials (BOM) for the MAX232 PCB design:\n\n| **Component**        | **Description**                          | **Quantity** | **Part Number**  |\n|----------------------|------------------------------------------|--------------|------------------|\n| MAX232 IC            | RS-232 to TTL Logic Level Converter      | 1            | MAX232N          |\n| 0.1µF Capacitors     | Ceramic Capacitors for Voltage Conversion | 5            | C1, C2, C3, C4, C5 |\n| 16-Pin IC Socket     | Socket for MAX232 IC                     | 1            | IC1              |\n| DB9 Connector        | Female RS-232 Connector                  | 1            | CON1             |\n| 10µF Electrolytic Capacitors | For Voltage Regulation            | 2            | C6, C7           |\n| Resistors            | Various Resistors for Circuit Stability  | 3            | R1, R2, R3       |\n| LEDs                 | Power and Signal Indicators              | 2            | LED1, LED2       |\n| PCB                  | Printed Circuit Board                    | 1            | -                |\n\n## Schematic of the Circuit\nThe schematic of the circuit shows how each component is connected to the MAX232 IC. The schematic is designed in Eagle and is available in the `schematics` directory of this repository. The key connections include:\n\n- **RS-232 Interface**: Connects to the DB9 connector.\n- **TTL Interface**: Connects to the TTL logic circuit.\n- **Power Supply**: 5V input to power the MAX232 and related components.\n  \n- **[Schematic README](schematics/README.md)**: Detailed information on the circuit schematic and the files in the `schematics` folder.\n\n## PCB Design\nThe PCB design is a crucial part of the project, ensuring that all components are properly laid out to fit within the desired form factor. The design files are available in the `pcb_design` directory. The PCB layout includes:\n\n- **Component Placement**: Proper placement of the MAX232 IC, capacitors, resistors, and connectors.\n- **Routing**: Signal routing ensuring minimal interference and optimized performance.\n- **Layers**: Single-layer design for simplicity, with ground and power planes.\n\n- **[PCB Design README](pcb_design/README.md)**: Details about the PCB layout and how to work with the design files.\n\n## Implementation Process\nThe implementation process involves the following steps:\n\n1. **Schematic Design**: Design the circuit schematic in Eagle.\n2. **Component Selection**: Select components based on the requirements of the MAX232 IC.\n3. **PCB Layout**: Design the PCB layout, ensuring optimal component placement and routing.\n4. **Fabrication**: Send the PCB design to a manufacturer for fabrication.\n5. **Assembly**: Solder the components onto the fabricated PCB.\n6. **Testing**: Test the assembled PCB to ensure that the MAX232 IC is functioning correctly and that RS-232 communication is stable.\n\n\n- **[Implementation README](implementation/README.md)**: Step-by-step guide on how to assemble and test the PCB.\n\n\n\n## Related README Files\nIn addition to this main README, the following folders contain their own `README.md` files, which provide more detailed explanations for each section of the project:\n- **[Schematic Folder](schematics/README.md)**: Information about the schematic files.\n- **[PCB Design Folder](pcb_design/README.md)**: Details about the PCB layout and fabrication files.\n- **[Implementation Folder](implementation/README.md)**: Assembly and testing instructions for the fabricated PCB.\n\n## Credits and Special Thanks\nThis project was a team effort, and we would like to acknowledge everyone involved.\n\n### Project Team\n- **[Izzat Kawadri](https://www.linkedin.com/in/izzat-kawadri)** – Circuit Design ,Schematic, Documentation and BOM. \n- **[Mohammed al Dawaish](#)** – Implementation and Testing\n- **[Yazan Almesh](https://www.linkedin.com/in/yazan-almesh-31a516250/)** – PCB Layout and Routing\n  \n### Special Thanks\nWe extend our special thanks to:\n\n- **[Mohamad Msalme](#) ,[Mohammad Hassan](#)** – For providing expert guidance and mentorship throughout the course.\n- **The Volunteering Team : Tomouh**(#) – For organizing and supporting the introduction to PCB design course.\n\n## Getting Started\nTo get started with this project:\n\n1. Clone the repository: `git clone https://github.com/Izzat-Kawadri/Max232-PCB.git`\n2. Open the Eagle project files located in the `schematics` and `pcb_design` directories.\n3. Follow the implementation steps to build your own MAX232 PCB.\n\n## License\nThis project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.\n\n---\n\nThis README provides an overview of Max232 PCB design and implementation. For detailed instructions and files, please explore the corresponding folders and their respective `README.md` files.\n\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fizzat-kawadri%2Fmax232-pcb","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fizzat-kawadri%2Fmax232-pcb","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fizzat-kawadri%2Fmax232-pcb/lists"}