It runs at the same speed and voltage of an Arduino UNO or Leonardo. The ItsyBitsy 32u4 5V 16MHz uses the Atmega32u4 chip, which is the same core chip in the Arduino Leonardo as well as the same chip used in the Feather 32u4. So it's great once you've finished up a prototype on a bigger Arduino, and want to make the project much smaller. It packs much of the same capability as an Arduino UNO. ItsyBitsy is only 1.4" long by 0.7" wide, but has 6 power pins, 6 analog & digital pins and 17 digital pins.
What's smaller than a Feather but larger than a Trinket? It's an ItsyBitsy! Small, powerful, Arduino-compatible - this microcontroller board is perfect when you want something very compact, but still with a bunch of pins.
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