Note: Before running the procedure, pls install the corresponding computer system driver. Microcontroller, Microcontroller ATmega328P-AU Fully Compatible for ATmega328P-AU Input Voltage (recommended) 7V-12V;Input Voltage (limits) 6V-20V Bootloader installed, ready to upload sketches from software Analog Input Pins: 8 Operating Voltage: 5V DC Current per I/O Pin: 40 mA DC Current for 3.3V Pin: 50 mA Digital I/O Pins: 14 (of which 6 provide PWM output) Flash Memory: 32 KB () of which 2 KB used by bootloader SRAM: 2 KB EEPROM: 1 KB Clock Speed 16 MHz Cable Length: 245mm Material: pcb colour: blue Package Contents: 10 x Nano 3.0 Mini Type-C Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.