ATMega32U4 Arduino board, available from SparkFun Electronics
Pro Micro - 3.3V/8MHz [DEV-12587]
Pro Micro - 5V/16MHz [DEV-12640]
The Pro Micro is a micro controller with an ATMega32U4 IC on board. The USB transceiver is inside the 32U4, adding USB connectivity on-board without external USB interfaces. This comes in both a 3.3V and 5V version.
This product is open source!
Please review the LICENSE.md file for license information.
If you have any questions or concerns on licensing, please contact [email protected]
Distributed as-is; no warranty is given.