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The Adafruit Pro Trinket 5V 16MHz is a compact yet powerful microcontroller board based on the ATmega328P, the same chip used in the Arduino UNO. It runs at 16MHz with 5V logic, making it compatible with many existing Arduino libraries and shields. Despite its small size, it offers 28KB of flash memory, 2KB SRAM, and 18 GPIO pins (including analog and PWM support). The board includes USB bootloading for easy programming and supports FTDI-based programming as well. It's perfect for compact projects where space is limited but full Arduino functionality is required. Ideal for wearable tech, robotics, and rapid prototyping.

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