Color: Blue - Material: Fiberglass - AVRmega328P-PU (processing speed up to20MIPS) - Operating voltage: +5 V - External input voltage: +7 V~+12 V (recommended) - External input voltage (extreme): +6 V - Digital I / O interface: 14 (including six PWM output) - Analog inputs: 6 - DC I / O interface current: 40 mA - Flash size: 32 KB (Other 2K for bootloader) - SRAM static storage capacity: 1KB - EEPROM storage capacity: 512 bytes - Clock Frequency: 16MHz - Other features: - Ergonomic LED location 4 LEDs were moved to the front of the board for better viewing angle - Convenient analog output plug and play - Convenient 6 groups PWM output with two voltage stabilization capacitors - With more power supply pin header - Wider routing traces - 1000mA current - With 2 expansion connectors for more capacitor or 2.54 / 2 pin terminal gadgets - Packing list: - 1 x Development board - 1 x USB cable (53cm)