Product Video KS0500 Keyestudio Max Development Board keyestudio10/20/202110/20/20210 Keyestudio Max development board is an Arduino uno-compatible board, which isbased on ATmega328P MCU, and with a cp2102 Chip as a UART-to-USB converter.MAX development board integrates three LEDs, two 6812RGB LEDs, two button switches, a buzzer, a microphone sensor, a light sensor, and an 8*16 dot matrix. keyestudio