⚡ SIM800C-Module ⚡

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This repository contains the open-source schematic and PCB design files for a Digispark ATTINY85 development board clone, created using Altium Designer. This board allows you to work with the ATTINY85 microcontroller using the Digispark platform.

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Schematic Diagram 📉

The complete schematic diagram shows the electrical connections and components used in the design.

PCB Layout 🖼️

The PCB layout represents the physical arrangement of components on the printed circuit board, detailing how they are positioned and connected.

Features 🌟

• Power Supply via USB or External 5V 🔌 for flexible power options.
• Quad-Band GSM/GPRS Module 📶 supporting 850/900/1800/1900 MHz bands for global connectivity.
• AT Command Interface 💻 for easy communication with microcontrollers and computers.
• TCP/IP, HTTP, FTP Protocols 🌐 for versatile data communication over the internet.
• SMS and Voice Call Support 📞 for messaging and voice applications.
• Onboard 5V to 3.3V Regulator 🔋 ensuring stable power for the module.
• Antenna Connector 📡 for extended network range.
• Power Saving Mode ⚡ to reduce power consumption during idle periods.
• I2C, UART, and SPI Interfaces 🔗 for seamless communication with other devices.
• Status Indicators 💡 for network and power statuses.
• Compact Form Factor 📏 ideal for embedded and IoT projects.

Requirements 📋

• 🛠️ Altium Designer (or a compatible viewer)

Images 📸

🔼 Top 3D View	🔽 Bottom 3D View	🔼 Top Layout	🔽 Bottom Layout

Getting Started 🚀

1. Download the repository: 🟢 Click "Clone or download" on the green button above.
2. Open the project: 🖥️ Use Altium Designer to open the .PrjPCB file located in the main directory.
3. Schematics: 📜 The schematic.SchDoc file shows the electrical connections and components used in the design.
4. PCB layout: 🧩 The PCB.PCBDoc file represents the physical layout of the components on the printed circuit board.
5. Generate BOM (optional): 🛒 Use Altium Designer's BOM generation features to create a list of required components.

Additional Information ℹ️

• Firmware: This repository does not include firmware. A separate repository is available with HTTPS, MQTT, and additional features. You can find it here:SIM800C Firmware
• Assembly instructions (optional): 🔧 Consider adding a separate document or webpage with detailed instructions on soldering and assembling the PCB (if applicable).
• License: 📄 Specify the open-source license used for the design files (e.g., MIT License).

Contributing 🤝

We encourage contributions to this project! Feel free to submit pull requests with improvements, bug fixes, or additional features.

Thanks to all contributors ❤️