Type:Voltage Regulator 1. Packaging Electrostatic bag 2. It use the same as official R3 board 3. Use: Instrument 4. Power supply voltage: 5v~9v 5. Output voltage: 5V DC voltage output and 3.3V DC voltage output 6. Plug in the development board, the driver will be installed automatically 7. Select the board in die 8. Select the COM port, this can be queried in my computer, just the port inside your development board 9. It is best to choose the program that comes with it, PROGRAMMER it in. 10. Added pin header, easy to use
