<b>Specifications:</b><br> 1. Increase the extra pin socket, to facilitate the use of DuPont line<br> 2. Microcontroller: ATmega328 Microcontroller<br> 3. Operating Voltage: 5V<br> 4. Input Voltage (recommended): 7-12V<br> 5. Input Voltage (limits): 6-20V<br> 6. Digital IO Pins: 4 (of which 6 provide PWM output)<br> 7. Analog Input Pins: 6<br> 8. DC Current per IO Pin: 40mA<br> 9. DC Current for 3.3V Pin: 50mA<br> 10.Support ISP download function<br> 11. Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader<br> 12. SRAM: 2 KB<br> 13. EEPROM: 1 KB<br> 14. Clock Speed: 16 MHz<br> 15.USB Chip: CH340G<br> 16.Cable length:1ft(30cm)<br> 18.Operating System Compatibility (tested by Vetco, using the CH340 Driver):<br> Windows XP SP2, SP3<br> Windows 7 (any version)<br> Windows 8 and 8.1<br> Windows 10 (may not be using the CH340 driver)<br> MAC OSX 10.7.5 up to OSX 10.14.2 (you can try to install the CH341SER USB driver)<br> Linux<br> <b>Note: if you install the CH340 driver, Please contact us if you need the CH340 Driver. or You can also find the drivers yourself, please search for "CH340 drivers"</b><br> <br> <b>Package Included:</b><br> 2pcs x ATmega328P CH340G Development Board<br> 2 x Pin Header<br> This Micro-controller is just compatible with Arduino UNO, It is not the official Arduino branded board, and is supported by Treedix Electronics directly for warranty purposes.<br>