The RGB nano main control board has a built-in running light module, a WS2812B RGB module and a passive buzzer module. The main control chip is an ATMEGA328P, which is fully compatible with arduino nano programming
Parameter:
Type-c interface Input voltage (recommended): 5-9V
Digital IO pins: 14 (6 of which provide PWM output)
Analog input pins: 8 DC
Current per I/O pin: 40 mA
SRAM: 2 KB
Clock speed: 16 MHz
Operating voltage (logic level): 5V