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The Loongson 1C open-source motherboard is a groundbreaking development in the field of domestic hardware innovation. Unlike traditional proprietary systems, this board is designed to be fully open, allowing developers, students, and hobbyists to explore, modify, and expand its capabilities freely. It integrates the Loongson 1C SOC processor, along with essential components such as an RTC clock, on a compact circuit board similar in size to a Raspberry Pi. This small form factor makes it ideal for embedded applications and DIY projects.
The motherboard features multiple expansion interfaces, including RJ-45, USB, serial ports (up to 12 channels), SPI, PWM, CAN, and an SD card slot. These interfaces enable it to run embedded Linux systems, supporting a wide range of network and IoT applications. Additionally, it supports various wireless technologies such as Bluetooth, Zigbee, Wi-Fi, GPS, Beidou, GPRS, and NFC, making it versatile for smart home gateways, 3D printers, webcams, and more.
Designed with flexibility in mind, the Loongson 1C can be used in both educational settings and professional environments. It is especially useful for makers, embedded developers, and students looking to experiment with open-source hardware. The board is available in a QFP package with exposed pins, allowing manual soldering without the need for automated equipment. For those requiring more I/O options, an expansion board with dual-row connectors can be added, supporting modules like Arduino, Microduino, and XBee.
Compared to other platforms like the Raspberry Pi or Arduino, the Loongson 1C offers a more cost-effective solution for tasks such as video streaming, internet access, and wireless networking. Its open-source nature means that all PCB designs and software code are freely available, encouraging collaboration and innovation across the community.
In 2015, the Loongson Club launched several open-source hardware demonstration projects based on the Loongson 1C. These included the Loongson Wireless Home Gateway, the Loongson Industrial 3D Printer, and the Loongson Digital Photo Frame, showcasing the board's potential in real-world applications.
The project has also partnered with domestic teams like Fupu 3D to develop open-source 3D printer solutions and with IoT platforms to enable remote data acquisition and control. With its open design and robust performance, the Loongson 1C is not only a powerful tool for developers but also a valuable resource for education and innovation in the field of open-source hardware.