Cytron UNO Special Edition – Arduino-Compatible Board with Side Connectors

The Cytron UNO Special Edition (CT-UNO-SE) is a fully Arduino-compatible development board designed for makers, students, and hobbyists who need reliable performance for DIY electronics and robotics projects.

Built around the ATmega328P microcontroller, this board offers the familiar Arduino UNO experience while adding enhanced stability with the FTDI FT231X USB-to-Serial chip, ensuring smoother programming and communication. 

Whether you’re prototyping sensors, robotics circuits, or automation systems, this board delivers a dependable and beginner-friendly platform for all your microcontroller learning needs.

What makes the CT-UNO-SE stand out is its unique side connectors, allowing it to be stacked on top of or beneath Arduino shields, giving you maximum flexibility while building layered circuits or compact embedded systems.

With full Arduino UNO R3 shield compatibility, 14 digital I/O pins, 6 analog inputs, and both 5V and 3.3V regulated outputs, this special edition board combines convenience, versatility, and long-term durability – all wrapped into a sleek white PCB that makes your projects look clean and professional.

Features

• Built with the ATmega328P microcontroller paired with the Optiboot bootloader for faster program uploads.
• Equipped with the FTDI FT231X USB interface, offering stable and reliable serial communication.
• Supports a wide DC input range of 7–15V, suitable for most maker power setups.
• Includes a 1A 5V regulator and 500mA 3.3V regulator for powering sensors and modules.
• Offers 14 digital I/O pins (6 PWM) and 6 analog inputs for versatile interfacing.
• Fully R3 shield compatible with special side connectors for flexible stacking.
• Features 32KB Flash memory, 2KB SRAM, and 1KB EEPROM for program storage.
• Comes with easily visible TX, RX, power, and pin-13 LEDs placed on the board edge.
• Utilizes a durable USB Micro-B connector on a clean white PCB.

Dimensions