Pro Micro - 5V/16MHz (DEV-12640)

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Here at SparkFun, we refuse to leave ‘good enough’ alone. That’s why we’re adding to our line-up of Arduino-compatible microcontrollers once more! The Pro Micro is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to add USB connectivity on-board and do away with bulky external USB interface.

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Will this support an OLED i2c display?

Hi Chris,

Yes you should be able to do that!
Here is a forum post that explains how to connect i2c devices to the Pro Mini