Best I2C Single Board Computers of 2025

Libre La Frite Mini PC is a powerful single-board computer featuring quad 64-bit ARM Cortex-A53 processors, a high-performance GPU, 1GB DDR4 RAM, and advanced power-saving technology. With hardware extensibility including various pin functions, high-speed Micro SD card support, and onboard IR, this mini PC offers flexibility for different projects. It comes with the latest software support for Ubuntu, Debian, and Raspbian, ensuring smooth video playback and graphics performance. Its open-source compatibility allows running standard ARMv8 code from major Linux distributions, making it versatile for various applications.

Libre Le Potato SBC is a powerful single board computer that supports the latest software innovations and offers great compatibility and extensibility. It supports Ubuntu 22.04 LTS and Raspbian 11 with hardware-accelerated video playback and 3D graphics. The SBC has the same form factor as Pi 3 Model B and identically designed 40-pin header, making it a great RPi alternative for re-use with existing cases and power supplies. It performs faster than a Pi 3 B+ while using half the power, thanks to its power optimizations. The SBC features Quad 64-bit 1.5GHz ARM Cortex-A53 Processors, powerful GPU, and 2GB of High Bandwidth DDR3, making it the top-performing SBC in its price class. Libre Computer collaborates with software partners to ensure that its products have the necessary security and software performance innovation for long-term support.

The Serial Wombat I2C Breakout is a convenient solution for connecting multiple I2C devices. With a 4-pack of fully assembled boards, you can easily connect up to 8 devices to a single bus, streamlining your setup. Each board features a user-friendly 8x4 pin configuration, making connections straightforward. You’ll also find dimensions printed directly on the board, helping you with placement and installation. Additionally, there are pads for optional pull-up resistors, allowing you to enhance your circuit’s performance with ease.

The Libre Renegade SBC offers impressive features for users looking to build powerful projects. With the latest software support, you can enjoy smooth performance for video playback and 3D graphics. Its high-performance design includes a quad-core processor and a capable GPU, allowing you to run demanding applications and enjoy 4K content. The unmatched I/O performance ensures quick data transfer and makes it perfect for diverse tasks such as creating a NAS or a file server. Plus, its hardware extensibility means you can easily connect various devices and expand your setup, making it a versatile choice for tech enthusiasts.

The BEVRLink Relay Module is a versatile device designed for use with Raspberry Pi, Arduino, ESP32, and other single-board computers. It operates on a 12V power supply and can handle loads up to 5A, making it ideal for various applications. With eight channels available, you can easily control multiple devices simultaneously. The stackable design allows you to plug in additional relays for even more channels, enhancing your project’s capabilities. Plus, the built-in under-voltage protection ensures your relays are safe from damage, providing peace of mind while you work.

The BPI-M2 Zero by MiiElAOD is a compact single board computer that features a powerful Allwinner H3/H2+ quad-core processor. With 512MB of DDR3 SDRAM, it provides ample memory for running various applications smoothly. The built-in WiFi and Bluetooth capabilities allow you to easily connect to the internet and other devices, enhancing your project’s connectivity options. Additionally, the board includes a 40-pin GPIO that is compatible with Raspberry Pi, enabling you to expand your projects with various peripherals. This versatility makes it a great choice for hobbyists and developers alike.

The Anmbest LCD Display Adapter Plate, also known as the Anmbest LCD Adapter, is a versatile module that can be used with the LCD1602 and LCD2004. It features an I2C interface, which allows for easy connection to an Arduino board while freeing up valuable pins for other functions. With the ability to cascade up to eight modules, this adapter offers flexibility and expandability. The module uses the PCF8574 chip, enabling remote I/O port expansion through the I2C bus. It also includes an adjustable contrast feature and backlight power control. By using this module, you can save up to 5 IO ports, making it a convenient and efficient choice for your DIY projects.

The DEVMO I2C IO Expander is an excellent solution for enhancing your electronic projects. It allows you to easily expand your input and output capabilities through a two-wire I2C interface, which is particularly useful for connecting multiple devices. With the ability to connect up to 64 I/O pins using multiple PCF8574 modules, you can maximize the functionality of your setup. This expander operates efficiently within a voltage range of 2.5V to 6V, making it versatile for various applications. Additionally, it supports two types of connections, giving you flexibility in how you integrate it into your projects.

The Podazz I/O Expander is a versatile board that enhances your system's capabilities. It features adjustable I2C addressability, allowing you to customize your setup easily. Operating within a voltage range of 2.5 to 5.5V DC, it ensures compatibility with various devices without risking overload. With 16 pins that can serve as either inputs or outputs, you have the flexibility to connect multiple components. Additionally, the interrupt output feature lets you respond quickly to input changes, making it ideal for dynamic applications. Overall, this board is perfect for your Arduino or microcontroller projects.

The Shutao PCA9685 Servo Driver is an efficient 16-channel PWM controller that simplifies your projects. It operates at 5V, allowing you to control devices from a 3.3V microcontroller while safely managing outputs up to 6V. You’ll enjoy precise control with its 12-bit resolution, providing about 4 microseconds of accuracy at 60Hz, which is ideal for servo motors. With 16 connectors, you can easily connect multiple servos at once. Plus, it only requires two pins to manage all 16 outputs, making it convenient to expand your setup without cluttering your workspace.