Best I2C Single Board Computers of 2026

The ELEGOO ESP-32 Board is a powerful tool for anyone working on wireless projects or IoT devices. It features a fast dual-core processor that lets you run complex tasks smoothly. With built-in Wi-Fi and Bluetooth, you can easily connect your projects to other devices or the internet without extra modules. The board is also designed to save power by adjusting its speed based on your needs, making it great for battery-powered gadgets. Plus, it offers many connection options for sensors and other components, giving you flexibility to build a wide range of applications.

The ELEGOO OLED Display Module offers a crisp 128x64 resolution screen, making it easy for you to see detailed graphics and text clearly. Its self-lighting pixels provide bright and sharp images without needing a backlight, which saves power and improves contrast. You can easily connect this module to popular platforms like Raspberry Pi and Arduino, giving you flexibility in your projects. Plus, the I2C interface simplifies wiring and communication, so you can integrate the display quickly and efficiently into your electronics work.

The EC Buying Raspberry Pi Pico is a compact and powerful microcontroller board designed to introduce you to the world of Internet of Things and microcontroller projects. It features a dual-core ARM Cortex M0+ processor running up to 133 MHz, giving you enough speed to handle tasks quickly and efficiently. With 264KB of SRAM and 2MB of onboard flash memory, plus support for additional external flash, you have plenty of space for your programs. You can program the Pico using popular languages like C, C++, or MicroPython on various operating systems, making it accessible for many users. Plus, its rich hardware interfaces, including multiple GPIO pins, SPI, I2C, UART, ADC, and PWM channels, provide great flexibility for connecting sensors and other devices.

The HiLetgo ESP32 USB C Board is a versatile development module designed to make your projects easier. It features a 38-pin layout, giving you more connection options than typical 30-pin boards, and its slim design fits neatly on breadboards for easy prototyping. The board integrates essential components like an antenna and power management systems, so you get reliable wireless performance without extra parts. Plus, it supports multiple interfaces such as UART, SPI, I2C, PWM, DAC, and ADC, allowing you to connect various sensors and devices seamlessly. With built-in dual-mode WiFi and Bluetooth, you can easily connect to networks or other devices, making your development process smooth and efficient.

The Arduino Giga R1 offers powerful dual-core processing with its ARM Cortex-M7 and M4 chips, giving you the speed needed for complex tasks like robotics or AI projects. You get built-in Wi-Fi and Bluetooth 5.0, making it easy to connect your device to the internet or other smart gadgets without extra modules. With 16MB of Flash memory and 512KB SRAM, the board provides plenty of room for large programs and data storage, so you can handle demanding applications smoothly. Plus, its flexible input/output options and fast USB-C port let you connect sensors, actuators, and other components easily, helping you build and expand your projects with convenience.

The Hosyond OLED Display offers a sharp 0.96-inch screen with a clear 128 x 64 pixel resolution, making it easy for you to view detailed information. Its wide viewing angle of over 160 degrees ensures you can see the screen clearly from different positions. This display runs efficiently on low power, consuming just 0.04W during normal use, which helps save energy. It supports a voltage range from 3.3V to 5V, making it compatible with various devices. With the built-in SSD1306 driver and simple I2C communication, you only need two data pins to connect it to popular boards like Arduino and Raspberry Pi, making your projects easier to build and manage.

The Generic Pi Pico 2 W is a versatile microcontroller board perfect for your IoT and embedded projects. It offers built-in Wi-Fi and Bluetooth 5.2, so you can easily connect your devices wirelessly without extra modules. Powered by a high-speed RP2350 chip with dual-core Arm Cortex-M33 and RISC-V processors, it delivers strong performance for demanding tasks. With 520 KB of RAM, you have plenty of memory to handle complex data and multitasking smoothly. This means you get a reliable, fast, and connected board that supports a wide range of applications, whether you're a hobbyist or developer.

The UeeKKoo Pico 2 W is a versatile microcontroller board designed with a powerful dual-core setup that combines an Arm Cortex-M33 and a RISC-V processor, allowing you to run complex tasks smoothly at speeds up to 150 MHz. It features built-in WiFi 4 and Bluetooth 5.2, so you can easily connect your projects wirelessly without extra modules. The board includes a pre-soldered, color-coded header, making it simple to plug in and start working right away. Plus, with 520KB of SRAM and 4MB of flash memory, you have plenty of space to store your programs and data for various applications.

The AITRIP ESP32 Smart Display offers a versatile 2.8-inch touchscreen that lets you control the display remotely, making it perfect for managing apps or collecting environmental data from afar. Powered by a dual-core ESP32 processor running up to 240MHz, it ensures smooth and efficient performance for your projects. This board is packed with useful interfaces like UART, SPI, and I2C, so you can connect various sensors and devices easily. Plus, it supports applications like smart home monitoring and wireless data transmission, giving you the flexibility to develop all kinds of IoT solutions with convenience.

The Hczykya UNO R3 Board is a versatile and user-friendly development board perfect for electronics enthusiasts. With its Arduino-compatible environment, you can easily start creating projects without hassle, making it ideal for beginners. The board’s ATmega328P microcontroller offers strong performance and ample memory, allowing you to build a wide range of applications, from robotics to home automation. It provides plenty of digital and analog pins, giving you the flexibility to connect various sensors and modules for interactive designs. Plus, seamless integration with the Arduino ecosystem means you have access to a huge library of code and resources, helping you bring your creative ideas to life quickly and efficiently.