Adafruit trinket keyboard
![adafruit trinket keyboard adafruit trinket keyboard](https://www.okdo.com/fr/wp-content/uploads/sites/4/2019/03/R1245507-02.jpg)
In fact we even made some simple modifications to the Arduino IDE so that it works like a mini-Arduino board. We designed a USB bootloader so you can plug it into any computer and reprogram it over a USB port just like an Arduino.
![adafruit trinket keyboard adafruit trinket keyboard](https://cdn-learn.adafruit.com/assets/assets/000/011/242/large1024/trinket_TrinketKeyboard_Example_Picture.jpg)
The Attiny85 is a fun processor because despite being so small, it has 8K of flash, and 5 I/O pins, including analog inputs and PWM ‘analog’ outputs. It’s our lowest-cost arduino-IDE programmable board! Perfect for when you don’t want to give up your expensive dev-board and you aren’t willing to take apart the project you worked so hard to design. We wanted to design a microcontroller board that was small enough to fit into any project, and low cost enough to use without hesitation.
![adafruit trinket keyboard adafruit trinket keyboard](https://cdn-learn.adafruit.com/assets/assets/000/022/042/medium800/trinket_Operation.png)
Trinket may be small, but do not be fooled by its size! It’s a tiny microcontroller board, built around the Atmel ATtiny85, a little chip with a lot of power. We’ve updated the Trinket USB library to support Mouse Scroll-Wheel movement!
![adafruit trinket keyboard adafruit trinket keyboard](https://cdn-learn.adafruit.com/guides/cropped_images/000/001/251/medium640/hero-heart-01.jpg)