- Color: Blue<br />- Material: PCB + plastic + metal<br />- All 32 I/O pins are lead out<br />- Suitable for ATmega 16 / ATmega 32 chipset<br />- Easy to replace crystal oscillator<br />- Powered by external power adapter (5.5 x 2.1mm plug) or pin header<br />- 4-CH VCC、 GND<br />- Power-on reset and push button reset<br />- Power and program running LED indicator<br />- Standard ISP download port (not for power supply)<br /><br />                                                                                                                                Dimensions: 3.66 in x 1.57 in x 0.59 in (9.3 cm x 4.0 cm x 1.5 cm)<br />Weight: 1.52 oz (43 g)<br /><br />