Microduino Core - ATMega328

The Microduino Core - ATmega328 is a compact, open-source development board that is fully compatible with the Arduino UNO. Built around the Atmel ATmega328P chip, this 8-bit module delivers reliable performance while measuring just 25.4mm x 27.94mm - roughly the size of a quarter coin, making it ideal for projects where space and cost matter.

Its unique U-shape 27-pin (UPin-27) interface lets all Microduino modules and sensors stack together in seconds, so you can build custom electronics quickly and flexibly. As seen in the product image, the clean white PCB features the central microcontroller chip, gold-plated pin headers along every edge, and neatly arranged surface-mount components including a reset button and crystal oscillator.

• 32KB Flash, 2KB SRAM and 1KB EEPROM memory
• 16MHz clock speed at 5V (8MHz option at 3.3V for battery use)
• 14 digital I/O pins, including 6 PWM outputs
• 8 analog input pins - two more than the UNO
• Serial, SPI and I2C communication support
• 2 external interrupts and ISP download capability
• Programmable with the familiar Arduino IDE

Whether you are prototyping wearables, robotics, IoT devices or interactive art, the Microduino Core offers the fast, flexible extension you need for your next creation.