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Adafruit

Adafruit Pro Trinket Mini Microcontrollers The Adafruit Pro Trinket is the bigger, more powerful sister of the Trinket (RS 124-5509, 124-5506) with roughly 4 times the performance and GPIO. It uses the Atmel ATmega328P microcontroller, 28K of flash, 2K of RAM and 18 GPIO. It is basically and scaled down version of the Arduino UNO (RS 715-4081). Measuring only 38 mm x 18 mm x 2 mm (1.5" x 0.7" x 0.2") (without headers) it offers a great way to miniaturise your project. Pro Trinket is programmable using the Arduino IDE and 95% of Arduino projects work straight out of the box. There is a USB bootloader so you can plug it into any computer and reprogram just like an Arduino. You can also use an FTDI cable to connect to the FTDI port for a serial connection. The Adafruit Pro Trinket is available in two versions: Pro Trinket 3.3 V - 12 MHz (RS 124-5511) Pro Trinket 5 V - 16 MHz (RS 124-5507) - Micro-USB jack for power and/or USB uploading - On-board 3.3V power regulator with 15