<strong>Features: </strong><br /> ATmega32U4 running at 5V/16MHz<br />Recommend power supply for board: 6-7V, less than 9V<br /> On-Board micro-USB connector for programming<br /> 4 x 10-bit ADC pins, 12 x Digital I/Os<br /> Rx and Tx Hardware Serial Connections<br /> <br /> <br /> <strong>How to use?</strong><br /> 1. Connected to computer. (If this module cannot be recognized by your computer, please refer to this link to install the driver)<br /> 2. Opened Ard IDE and loaded Blink sketch.<br /> 3. Set board to Leonardo and selected the appropriate COM port (It showed up in the list already identified as a Leonardo).<br /> 4. Connected an LED to pin 9 and modified the sketch accordingly.<br /> 5. Hit upload and within a few seconds having a blinking LED. <br /> <br /> <strong>Package Includes:</strong> <br /> 3 x Pro Micro ATmega32U4 5V 16MHz Module<br /><br /> <b>KeeYees:</b> Best choice in various Electronic Modules & Components, DIY Parts and Tools to <br>support your work and design challenges from Home, School to Industrial applications!