UNO MAX Dev Board Onboard - OpenELAB

The UNO MAX main control board uses an Atmega328p main control chip, and integrates a CP2102 USB to serial port module, an RT6212AHGJ6F DC-DC power module, an RT9167A-33GB DC-DC power module, two separate buttons, two 6812 RGB lights, a microphone, an 8x16 dot matrix, a buzzer, a photosensitive sensor, a red LED, a green LED, and a blue LED.
 

Parameters:

Working voltage: 4.5V~5.5V
Internal RC oscillator 2C bus interface
16×8-bit RAM is used to store display data
The maximum display mode is 16×8: 16SEGs and 8COMs.
The read/write address automatically racks up
Up to 13×3 key matrix scanning function
16-step dimming circuit
Package type: 20/24/28-pin SOP